Artículos de revistas: "Retrospective operation"

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Suhardja, TS, L. Bae, EZ Seah, P. Cashin y DG Croagh. "Acute surgical unit safely reduces unnecessary after-hours cholecystectomy". Annals of The Royal College of Surgeons of England 97, n.º 8 (1 de noviembre de 2015): 568–73. http://dx.doi.org/10.1308/rcsann.2015.0035.

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Introduction The acute surgical model has been trialled in several institutions with mixed results. The aim of this study was to determine whether the acute surgical model provides better outcomes for patients with acute biliary presentation, compared with the traditional emergency surgery model of care. Methods A retrospective review was carried out of patients who were admitted for management of acute biliary presentation, before and after the establishment of an acute surgical unit (ASU). Outcomes measured were time to operation, operating time, after-hours operation (6pm – 8am), length of stay and surgical complications. Results A total of 342 patients presented with acute biliary symptoms and were managed operatively. The median time to operation was significantly reduced in the ASU group (32.4 vs 25.4 hours, p=0.047), as were the proportion of operations performed after hours (19.5% vs 2.5%, p<0.001) and the median length of stay (4 vs 3 days, p<0.001). The median operating time, rate of conversion to open cholecystectomy and wound infection rates remained similar. Conclusions Implementation of an ASU can lead to objective differences in outcomes for patients who present with acute cholecystitis. In our study, the ASU significantly reduced time to operation, the number of operations performed after hours and length of stay.

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Herisson, O., M. Dury, E. Rapp y F. Marin-Braun. "Bilateral carpal tunnel surgery in one operation: Retrospective study". Hand Surgery and Rehabilitation 35, n.º 3 (junio de 2016): 199–202. http://dx.doi.org/10.1016/j.hansur.2015.12.012.

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Sharouf, F., A. Baig, I. Bhatti y M. Zaben. "Neurosurgical operation theatre utilization and efficiency: A retrospective audit". International Journal of Surgery 36 (noviembre de 2016): S91. http://dx.doi.org/10.1016/j.ijsu.2016.08.307.

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Richardson, G. E., M. A. Mustafa, C. S. Gillespie, S. M. Keshwara, B. A. Taweel, C. P. Millward, A. I. Islim y M. D. Jenkinson. "P14.66 Re-operation for recurrent meningioma - are we helping patients?" Neuro-Oncology 23, Supplement_2 (1 de septiembre de 2021): ii50. http://dx.doi.org/10.1093/neuonc/noab180.174.

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Abstract BACKGROUND Meningioma is the commonest primary brain tumour. Despite surgery, meningiomas can recur. Surgery is usually the first line treatment for recurrent meningioma. The aim was to determine the risk factors associated with clinical outcomes (performance status, morbidity, mortality, recurrence) following re-operation for recurrence of intracranial meningioma. MATERIAL AND METHODS Retrospective cohort study (1998–2018). Eligible patients had reoperation for local recurrence of a previously operated meningioma. Collected data included baseline clinical and imaging characteristic. Primary outcome measure was performance status after each reoperation. Secondary outcome measures were medical and surgical morbidity, recurrence-free survival (RFS) and overall survival (OS). RESULTS Fifty-eight patients were eligible (37 female, mean age at 1st re-operation 56.1 years (SD=11.6)). Eleven patients (19.6%) had 2 re-operations and 3 patients (5.4%) had 3 re-operations. Median follow up was 128.5 months (IQR=73–194.5). Median time to 1st recurrence and 1st re-operation were 36.5 (IQR=24.3–81.0) and 43.8 months (IQR=20.3–103.4), respectively. Fifteen patients (26.8%) had worse performance status after 1st reoperation, compared to 5.4% (n=3) after the primary operation. Complication rate was 32.1% (n=18) after the primary operation compared to 48.2% (n=27) after 1st reoperation. At primary operation, there were 29 (51.8%) grade 1, 24 (42.9%) grade 2, and 1 (1.8%) grade 3 tumours. Median RFS after first re-operation was 36.5 months (95% CI 29.3–43.9). Median OS was 312 months (95 % CI 257.8–366.2). Increased number of post-operative complications were a risk factor for worsened performance status following reoperation (OR 2.2 [95% CI 1.1–4.6], P=0.029). CONCLUSION Re-operation is associated with a worse performance status and increased risk of complications. Re-operating meningiomas for radiological recurrence without symptoms increases patient morbidity. Shared-care management decision should be made with patients when considering operating for radiological recurrence only.

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Cascarini, L. y D. Tsarouchi. "O.392 Orthognathic surgery: a retrospective study of operation time". Journal of Cranio-Maxillofacial Surgery 36 (septiembre de 2008): S98. http://dx.doi.org/10.1016/s1010-5182(08)71516-6.

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Zhao, Yong, Chengke Liu, Qing Zhang, Changzheng Wang, Bin Sun, Shun Zhang y Bin Zhang. "Retrospective analysis of TACE times after primary liver cancer operation". Chinese-German Journal of Clinical Oncology 11, n.º 8 (agosto de 2012): 460–64. http://dx.doi.org/10.1007/s10330-012-1013-x.

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Shukla, Archana y Sameer Ahmed. "Abdominal incisional hernia: retrospective study". International Journal of Research in Medical Sciences 6, n.º 9 (25 de agosto de 2018): 2990. http://dx.doi.org/10.18203/2320-6012.ijrms20183631.

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Background: Incisional hernia presents as herniation or protrusion occurring along a prior abdominal scar. It is a known complication of abdominal surgery. They are the second most common type of hernia after inguinal hernias. This study was undertaken to study the incidence and various risk factors leading to incisional hernia.Methods: It is a retrospective study done in Gandhi Medical College, Bhopal; Department of Surgery during January 2017 to January 2018. All the cases were analyzed in various aspects like age, sex, relative incidence, clinical presentation, nature of previous operation, site of previous scar, precipitating factors like obesity, wound infection, abdominal distension.Results: The incidence is around 18.5%. Patients in the age group of 30-50 years found to have highest incidence of incisional hernia. Females outnumbered the males with the ratio of 6:1. Incisional hernia was more common in patients with previous history of gynecological operation. Most of the patients presented with incisional hernia in the infra umbilical region.Conclusions: Incisional hernias can be prevented by avoidance of midline incisions, especially in the infra umbilical region. Mesh repair results in less post-operative complications provided drains are used.

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Manganas, Antoine. "La rétroactivité d'une loi à caractère criminel". Chronique de jurisprudence 21, n.º 1 (12 de abril de 2005): 189–200. http://dx.doi.org/10.7202/042370ar.

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The present study deals with two particular aspects of the problem of retrospective operation of criminal statutes. The principle of the retrospective operation of a procedural statute, as will be seen first, bears some exceptions. S. 36 of the Interpretation Act in particular prescribes that the retrospective operation of procedural enactments takes place only to the extent that the new rules of procedure may be adapted to proceedings taken before the new rules came into effect (R. v. Mustapha Ali). Yet, as will be seen subsequently, it is often very difficult to distinguish between an enactment of substantive nature and one of procedural nature in order to give a retrospective operation to the latter only. This difficulty arose particularity after the modifications of the Criminal Code concerning the offence of driving a motor vehicle with more than a specified proportion of alcohol in the blood (R. v. Johnston). After a brief discussion of those two cases, the author suggests that it is the duty of the legislator to indicate in clear terms what the retrospective operation of a new statute will be, in order to avoid many problems of interpretation.

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Mogensen, S. L., T. Jakobsen, H. Christoffersen y N. Krarup. "High Re-Operation Rates Using Conserve Metal-On-Metal Total Hip Articulations". Open Orthopaedics Journal 10, n.º 1 (29 de marzo de 2016): 41–48. http://dx.doi.org/10.2174/1874325001610010041.

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Introduction: Metal-on-metal hip articulations have been intensely debated after reports of adverse reactions and high failure rates. The aim of this study was to retrospectively evaluate the implant of a metal-on.metal total hip articulation (MOM THA) from a single manufacture in a two-center study. Materials and Methods: 108 CONSERVE® MOM THA were implanted in 92 patients between November 2005 and December 2010. Patients had at time of retrospective evaluation their journals reviewed for re-operations and adverse reactions. Results: 20 hips were re-operated (18.4%) at a mean follow up of 53 months. 4 pseudotumors were diagnosed at time of follow up but no substantiated link was made between adverse reactions and re-operations. Conclusion: The high re-operation rates found in this study raised concern about the usage of the MOM THA and subsequently lead to the termination of implantation of this MOM THA at the two orthopaedic departments.

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Boyapati, Raghuram P., Jahnavi Mehta y Paul Norris. "Same day cancellations of elective operations in a tertiary hospital in south-east England: a review of 11 000 patients in 1 year". British Journal of Healthcare Management 26, n.º 1 (2 de enero de 2020): 27–33. http://dx.doi.org/10.12968/bjhc.2019.0029.

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Cancellations of elective operations have negative consequences, both for patients and the NHS. For the latter, reducing waiting times for surgical procedures remains a pressing concern, as does maintenance of adequate staffing. This study aimed to identify factors contributing to the cancellation of elective operations on the day of the procedure in order to suggest measures that could be taken to reduce these incidents. The retrospective details of just over 11 000 patients awaiting theatre admission for elective operations over a period of 1 year were obtained. The reasons behind last-minute operation cancellations were categorised as either patient factors or hospital factors. Data analysis suggested that the number of cancellations could be reduced by scheduling appointments with a senior doctor closer to the operation date.

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Viscardi, Juan A., Carlo M. Oranges, Dirk J. Schaefer y Daniel F. Kalbermatten. "Reduction Mammoplasty: A Ten-Year Retrospective Review of the Omega Resection Pattern Technique". Journal of Clinical Medicine 10, n.º 19 (27 de septiembre de 2021): 4418. http://dx.doi.org/10.3390/jcm10194418.

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Reduction mammoplasty is the gold standard procedure for symptomatic breast hypertrophy and it is also used for contralateral breast symmetrisation following breast cancer surgery. We aim at introducing a new procedure, which uses an omega resection pattern to simplify the inferior pedicle breast resection technique. A retrospective review of all patients who underwent the omega resection reduction mammoplasty at the University Hospital of Basel between 2010 and 2020 was carried out. We collected patient demographics, surgical outcomes, operation time, type and frequency of complications at 12 months follow-up. Outcomes were compared with the most commonly used techniques. Additionally, we assessed if patients’ and clinical characteristics augmented/diminished the complication rate. During the study period, 67 reduction mammaplasties were performed by a senior plastic surgeon (Mage = 42.5, SDage = 15.6; MBMI = 27.28, SDBMI = 3.4; 20% smokers). The average tissue removed was 826 g (ranging from 15 to 2307 g). In 10 breasts (15%) occurred minor complications. No major complications were reported. Operation time (M = 149 min; ranging from 87 to 270 min) was significantly shorter than the inferior, superomedial, and superior pedicle techniques. Univariate Odd Ratios showed that no-smoker status, a BMI in a normal range, resection weight between 500 g to 1500 g, NTN distance < 30 cm, removal of drains one day after the operation, ASA index of 2, inpatient clinic hospitalisation, and not undergoing other concomitant surgical operations were protective factors against the risk to develop complications. The omega resection pattern technique demonstrated to be an effective, safe, and fast mammoplasty reduction procedure for bilateral macromastia and unilateral symmetrizing procedures, even for large breasts, able to be adopted as a new valid alternative to the existing ones.

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Kaba, Erkan y Alper Toker. "Who Actually Profits from Pulmonary Metastasectomy Operation? Retrospective Analysis of 12 Years". Eurasian Journal of Pulmonology 16, n.º 3 (2 de enero de 2015): 208–9. http://dx.doi.org/10.5152/ejp.2014.06025.

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Evman, Serdar, Recep Demirhan, Ersin Cardak y Kadir Burak Ozer. "Who Actually Profits from Pulmonary Metastasectomy Operation? Retrospective Analysis of 12 Years". Eurasian Journal of Pulmonology 16, n.º 3 (2 de enero de 2015): 164–68. http://dx.doi.org/10.5152/ejp.2014.33602.

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Relyea, Harold C. "The administration and operation of the freedom of information act: A retrospective". Government Information Quarterly 11, n.º 3 (enero de 1994): 285–99. http://dx.doi.org/10.1016/0740-624x(94)90048-5.

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Lyons, C. J., P. Fells, J. P. Lee y A. McIntyre. "Chorioretinal scarring following the Faden operation. A retrospective study of 100 procedures". Eye 3, n.º 4 (julio de 1989): 401–3. http://dx.doi.org/10.1038/eye.1989.59.

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Sho, Tomoko, Kazuaki Yoshimura y Toru Hachisuga. "Retrospective study of tension-free vaginal mesh operation outcomes for prognosis improvement". Journal of Obstetrics and Gynaecology Research 40, n.º 6 (junio de 2014): 1759–63. http://dx.doi.org/10.1111/jog.12431.

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Fujii, Yasuhiro, Shunji Sano, Toshihide Asou, Yutaka Imoto, Yoshihiro Oshima, Shiori Kawasaki, Hidefumi Kishimoto et al. "Outcomes of One-Lung Fontan Operation: A Retrospective Multicenter Study in Japan". Annals of Thoracic Surgery 94, n.º 4 (octubre de 2012): 1275–80. http://dx.doi.org/10.1016/j.athoracsur.2012.04.080.

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Davis, Alan K., Lynnette A. Averill, Nathan D. Sepeda, Joseph P. Barsuglia y Timothy Amoroso. "Psychedelic Treatment for Trauma-Related Psychological and Cognitive Impairment Among US Special Operations Forces Veterans". Chronic Stress 4 (enero de 2020): 247054702093956. http://dx.doi.org/10.1177/2470547020939564.

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Background U.S. Special Operations Forces Veterans are at increased risk for a variety of mental health problems and cognitive impairment associated with military service. Current treatments are lacking in effectiveness and adherence. Therefore, this study examined psychedelic treatment with ibogaine and 5-methoxy-N,N-dimethyltryptamine for trauma-related psychological and cognitive impairment among U.S. Special Operations Forces Veterans. Method We conducted a survey of Veterans who completed a specific psychedelic clinical program in Mexico between 2017 and 2019. Questions probed retrospective reports of mental health and cognitive functioning during the 30 days before and 30 days after treatment. A total of 65 people completed treatment during this time frame and were eligible for contact. Of these, 51 (78%) completed the survey and were included in data analyses (mean age = 40; male = 96%; married = 55%; Caucasian/White = 92%; Operation Enduring Freedom/Operation Iraqi Freedom Service = 96%). Results Results indicated significant and very large reductions in retrospective report of suicidal ideation (p < .001; d = −1.9), cognitive impairment (p < .001; d = −2.8), and symptoms of posttraumatic stress disorder (p < .001; d = −3.6), depression (p < .001; d = −3.7), and anxiety (p < .001; d = −3.1). Results also showed a significant and large increase in retrospective report of psychological flexibility (p < .001; d = 2.9) from before-to-after the psychedelic treatment. Increases in the retrospective report of psychological flexibility were strongly associated with retrospective report of reductions in cognitive impairment, and symptoms of posttraumatic stress disorder, depression, and anxiety (rs range −0.61 to −0.75; p < .001). Additionally, most participants rated the psychedelic experiences as one of the top five personally meaningful (84%), spiritually significant (88%), and psychologically insightful (86%) experiences of their lives. Limitations: Several limitations should be considered including the retrospective, self-report, survey design of the study, and the lack of randomization and blinding, thus making these finding preliminary. Conclusion U.S. Special Operations Forces Veterans may have unique treatment needs because of the sequela of problems associated with repeated trauma exposure and the nature of the exposure. Psychedelic-assisted therapy with these under-researched psychedelics may hold unique promise for this population. However, controlled studies are needed to determine whether this treatment is efficacious in relieving mental health and cognitive impairment among U.S. Special Operations Forces Veterans.

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Kerner, Jeff W. y Gary W. Stetler. "Ash Cooling Screws—A Retrospective and Looking Ahead". Journal of Energy Resources Technology 128, n.º 2 (14 de febrero de 2006): 154–58. http://dx.doi.org/10.1115/1.2191503.

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The first commercial screw cooler on record for cooling bottom ash from fluidized bed combustion (FBC) boilers was installed in 1979. Since then, over 300 ash screw cooler (ASC) machines have been used for this duty worldwide. The relatively quick upsurge in developing and building FBC boilers in the early 1980s forced the industry to select existing cooling screw designs, typically used in less severe services in the chemical, grain, plastics, and food industry. At the time, these were the only reasonable and readily available machines thought capable of handling abrasive, corrosive, and extremely hot bottom ash. The extreme difficulties of operating and maintaining these units in this service quickly became apparent, but only after quite a number of initial designs had already been designed, purchased, and installed. Today, 23 years later, both the manufacturers and users of ASCs can look back and point to installations where, thanks to communication and cooperation between operators and the manufacturer, operating units and their installations have been successfully modified, resulting in smoother operation and much less frequent maintenance. New units can incorporate a range of features, depending upon the anticipated ash quality. As a result, ASCs are now reportedly ranked low on the list of FBC operators and managers concerns. This paper will address what has been learned by both manufacturers and operators. The results of a survey of the operating and maintenance experience as well as maintenance costs of a wide sample of ASC users will be presented. A look ahead as to where ash screw cooler technology is moving is addressed, with help and continued input from current users of the equipment.

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Javier Delmo, Eva Maria, Mariano Francisco del Maria Javier y Roland Hetzer. "Consecutive surgical sequelae in children and adolescents with Marfan syndrome after primary cardiovascular surgical interventions". European Journal of Cardio-Thoracic Surgery 57, n.º 1 (16 de mayo de 2019): 54–62. http://dx.doi.org/10.1093/ejcts/ezz143.

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Abstract OBJECTIVES This study focuses on the consecutive sequelae of children and adolescents with Marfan syndrome after primary cardiovascular surgical interventions and the long-term outcomes. METHODS A retrospective review of children with Marfan syndrome who underwent primary surgical intervention in childhood (<18 years) and sequential cardiovascular operations between July 1986 and September 2014 was undertaken. RESULTS Thirty-six children (mean age 12.38 ± 4.4, range 0.62–17.14 years, at the first operation; 12 females) underwent a total of 97 sequential cardiovascular operations. Primary pathologies were annuloaortic ectasia, aortic root and ascending aorta aneurysm, aortic valve insufficiency, floppy mitral valve and midaortic syndrome. Initial operations were emergency in 2 and urgent and elective in 10 and 24 patients, respectively. Associated skeletal abnormalities were seen in 8. All underwent a second operation; 17 underwent a third operation; 6 had a fourth; and 2 had a fifth. The survival rate of children <13 years of age at the first operation compared to those who were older and male, was not statistically significant (P = 0.244). The cumulative survival rate based on age at first operation was 63.24 ± 0.16% at a mean follow-up period of 13.9 ± 6.8 (median 11.8, range 2–32.6) years. CONCLUSIONS Patients with Marfan syndrome undergoing surgery during childhood needed sequential reinterventions. However, even with multiple consecutive surgeries, long-term outcome is deemed satisfactory.

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Zhao, Ji Xue, Chuan Zhang, Chun Yu Dong, Xue Song Zhao y Xin Fu. "The Application of External Drainage from Intestinal Cavity in the Surgical Treatment for Neonates with Necrotizing Enterocolitis". Applied Mechanics and Materials 618 (agosto de 2014): 388–91. http://dx.doi.org/10.4028/www.scientific.net/amm.618.388.

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Object:To explore the feasibility and effects of external drainage from intestinal cavity in the surgical treatment for the neonates with necrotizing enterocolitis. Methods: A retrospective analysis was conduct on 22 cases of newborns with extensive and multiple intestinal necrosis found intraoperatively, all of which could not accept first-stage resected, treated by traditional operation or by external drainage from intestinal cavity between January, 2008 to January 2013. Duration of operation, amount of bleeding, and the survival rate after operation were compared between the two groups, which were divided by surgical methods. Results: No significant difference was observed in age, amount of bleeding and body weight (P>0.05) between the two groups. However, duration of operation and the survival rate after operation were significantly shorter in the patients by external drainage from intestinal cavity than the patients by traditional operation (P<0.05). Conclusion: To compare traditional operation or external drainage from intestinal cavity of necrotizing enterocolitis in neonates, a retrospective analysis conducted by us showed the feasibility and effects of external drainage from intestinal cavity of necrotizing enterocolitis in neonates, and a significant advantage in duration of operation and the survival rate after operation.

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Ate, Dekriati. "Analisis Jawaban Siswa pada Operasi Hitung Campuran Melalui Penerapan Pendekatan Metakognitif-Diskursif". Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika 1, n.º 2 (1 de julio de 2018): 66. http://dx.doi.org/10.36312/e-saintika.v1i2.103.

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[Title: Analysis of Student Answers on Mixed Calculation Operations Through the Implementation of Metacognitive-Discursive Approach] Mixed calculation operations are one of the important topics in mathematics but there are still many students who have difficulty performing mixed calculation operations and are unable to give the right reasons. This research aims to determine the effect of the use of teaching materials that have been designed by didactic mathematicians and have been tested in several schools using a metacognitive-discursive approach. This study was a design study which consisted of 3 phases: the preparation and design phase, the teaching experiment phase, the retrospective analysis phase with the research subjects of 31 students. The results showed that students were able to (1) add and subtract integers, (2) work on a compound calculation operation, and (3) learn the method of saving parentheses from a compound calculation operation. Based on these results it can be concluded that through metacognitive-discursive students can understand mixed calculation operations.

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Runström, B., O. Hallböök, PO Nyström, R. Sjödahl y G. Olaison. "Outcome of 132 Consecutive Reconstructive Operations for Intestinal Fistula—Staged Operation Without Primary Anastomosis Improved Outcome in Retrospective Analysis". Scandinavian Journal of Surgery 102, n.º 3 (20 de agosto de 2013): 152–57. http://dx.doi.org/10.1177/1457496913490452.

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Shinkawa, Takeshi, Xinyu Tang, Jeffrey M. Gossett, Rahul Dasgupta, Michael L. Schmitz, Punkaj Gupta y Michiaki Imamura. "Incidence of Immediate Extubation After Pediatric Cardiac Surgery and Predictors for Reintubation". World Journal for Pediatric and Congenital Heart Surgery 9, n.º 5 (29 de agosto de 2018): 529–36. http://dx.doi.org/10.1177/2150135118779010.

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Objectives: The objectives were to assess the incidence of immediate tracheal extubation in the operating room after pediatric cardiac surgery and to investigate predictors for subsequent reintubation. Methods: This is a single institutional retrospective study including all patients who had a cardiac operation with cardiopulmonary bypass from 2011 to 2016. Patients who required preoperative ventilator support, postoperative open chest, or mechanical support were excluded. Predictors for reintubation after immediate extubation were analyzed only for patients with stage II palliation for single ventricle physiology. Results: Nine hundred nine qualifying operations were identified. Immediate extubation was performed in 590 (64.9%) operations. A multivariable logistic regression model showed that the identities of anesthesiologist ( P = .0003), year of the operation performed ( P < .001), cardiopulmonary bypass time ( P < .001), and type of operations ( P < .001) were significantly associated with immediate extubation. Reintubation was significantly less frequent in patients with immediate extubation compared to those without (6.1% vs 15.0%; P < .001). A subgroup analysis for stage II palliation showed that reintubation after immediate extubation was significant for younger age (0.42 vs 0.54 years, P = .044), lower Po2/Fio2 and Po2 at the last blood gas analysis (66 vs 98 mm Hg, P = .032 and 39 vs 47 mm Hg, P = .008), and higher inotropic score (2 vs 0, P = .034). A multivariable logistic regression model showed that only inotropic score was significantly associated with reintubation ( P = .018). Conclusions: Immediate extubation in the operating room after pediatric cardiac surgery can be performed in most patients. Inotropic score is a predictor for reintubation in stage II palliation.

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Kim, Justin, Raj Mittal, Viken Konyalian, Justin King, Michael J. Stamos y Ravin R. Kumar. "Outcome Analysis of Patients Undergoing Colorectal Resection for Emergent and Elective Indications". American Surgeon 73, n.º 10 (octubre de 2007): 991–93. http://dx.doi.org/10.1177/000313480707301014.

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Despite advances in perioperative care and operative techniques, urgent colorectal operations are associated with higher morbidity and mortality. To evaluate our rate of complications in elective and urgent colorectal operations, we performed retrospective chart review of 209 consecutive patients who underwent colorectal resection between 1998 and 2002 at Harbor-UCLA Medical Center. One hundred, forty-three (71%) patients underwent elective colorectal resection. A total of 19 (13.3%) complications occurred in the elective group, compared with 24 (38.1%) in the urgent group ( P = 0.003). Both right-sided and left-sided operations were associated with higher incidence of complications when performed urgently. Wound infection occurred in 7.7 per cent of patients undergoing an elective operation and 14.3 per cent in an urgent setting ( P = 0.21). Intra-abdominal abscess occurred in 1.4 per cent of patients undergoing elective operation, compared with 11.1 per cent in the urgent operation group. Four (1.9%) patients developed wound dehiscence, 1 in elective and 3 in the urgent group ( P = 0.09). Anastomotic leak occurred in 1.9 per cent of patients, 2 in each group ( P = 0.6). There were six deaths, 3 in elective and 3 in urgent cases ( P = 0.4). Urgent operation of the colon and rectum is associated with higher incidence of complications. Both right- and left-sided resections have a higher complication rate when performed in a nonelective setting.

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Dronova, V. L., O. I. Dronov, O. V. Lutsenko y R. S. Teslyuk. "Clinical and cost-effectiveness conducted simultaneous operations in women with combined surgical and extragenital gynecological pathology". HEALTH OF WOMAN, n.º 2(118) (29 de marzo de 2017): 93–97. http://dx.doi.org/10.15574/hw.2017.118.93.

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The article presents data of economic efficiency of simultaneous operations in women with combined surgical and extra-gynecological pathology, allowing rational use of material and technical base of medical institutions, and conducted simultaneous operations leading to significant financial savings, both in hospital and at the outpatient . The objective: to determine the clinical and economic effectiveness of simultaneous operations in women with combined extra-gynecological and surgical pathology operated in the department of operative gynecology control IPOG (Institute of Pediatrics, Obstetrics and Gynecology) NAMS of Ukraine for 2015 and modified using special formulas. Patients and methods. The study laid out a retrospective analysis of the immediate results of surgical treatment of 40 patients department of operative gynecology control IPOG NAMS Ukraine. The calculation was performed on the following parameters: value of preoperative examination, providing perioperative medical support, operational support, anesthesia and postoperative laboratory monitoring. Results. Analysis of the research shows that simultaneous operation in two to three times shortens the patient’s stay in hospital and the duration of temporary disability, three times increases the cost-effectiveness of treatment and improve the quality of life of patients. To increase the profitability of the surgical departments recommended minimum break-even calculate the intensity of operations, which is the base for operational planning department. Conclusion. Conducting simultaneous operations in women with combined extra-gynecological and surgical pathology can effectively reduce the cost of surgical treatment of patients with no significant prolongation of the transaction period and the postoperative period. Simultaneous operations may be performed in specialized hospitals with modern equipment available and a multidisciplinary team of surgeons in identifying women with two or more diseases requiring surgical correction. Key words: simultaneous operation, economic efficiency, combined surgical and gynecological extragenital pathology in women.

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Shinkawa, Takeshi, Jessica Holloway, Xinyu Tang, Jeffrey M. Gossett y Michiaki Imamura. "Experience Using Kaolin-Impregnated Sponge to Minimize Perioperative Bleeding in Norwood Operation". World Journal for Pediatric and Congenital Heart Surgery 8, n.º 4 (julio de 2017): 475–79. http://dx.doi.org/10.1177/2150135117713698.

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Purpose: A kaolin-impregnated hemostatic sponge (QuikClot) is reported to reduce intraoperative blood loss in trauma and noncardiac surgery. The purpose of this study was to assess if this sponge was effective for hemostasis during Norwood operation. Description: We conducted a retrospective review of patients undergoing Norwood operation in infancy between 2011 and 2016 at our institution. Evaluation: Of 31 identified Norwood operations, a kaolin-impregnated sponge was used intraoperatively in 15 (48%) patients. The preoperative profiles and cardiopulmonary bypass status were similar between the operations with or without kaolin-impregnated sponge. The comparison on each operative outcome between operations with or without kaolin-impregnated sponge showed that the intraoperative platelets, cryoprecipitate, and factor VII dosage were significantly less in the operations with kaolin-impregnated sponge (55 mL, 10 mL, 0 µg/kg vs 72 mL, 15 mL, 45 µg/kg; P = .03, .021, .019), as well as the incidence of perioperative bleeding complications (second cardiopulmonary bypass for hemostasis or postoperative mediastinal exploration, 0% vs 31%, P = .043). A logistic regression model showed that the nonuse of kaolin-impregnated sponge and longer aortic cross clamp time were associated with perioperative bleeding complication in univariable model ( P = .02 and .005). Conclusions: Use of kaolin-impregnated hemostatic sponge was associated with reduced blood product use and perioperative bleeding complications in Norwood operation at a single institution.

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Sultana, Mst Atia, Md Faruk Hossain, Abeda Khatun, Masuma Khatun y Shamima Naznin. "Gynecological & Psychological Morbidities after Hysterectomy-A Retrospective Observational Study". KYAMC Journal 4, n.º 1 (21 de abril de 2017): 348–52. http://dx.doi.org/10.3329/kyamcj.v4i1.32261.

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The aim of this study was to find out the gynecological & psychological morbidities after hysterectomy operation due to different types of gynecological diseases in admitted patients of Khwaja Yunus Ali Medical collage & Hospital, a rural tertiary hospital in Bangladesh. In this retrospective observational study total 190 gynecological patients were evaluated in 4 years who were admitted either from OPD or through emergency. Most of the patients were operated due to uterine fibroid, DUB, chronic cervicitis, CIN, PID with chronic pelvic pain, genital prolapse, cervical carcinoma, ovarian tumor etc. After a period of hysterectomy operation those patients were suffered from chronic pelvic pain 3%, vaginal discharge 2%, dyspareunia 1%, vault prolapse .5%, early appearance of post menopausal syndrome 13% & some psychological complaints like anxiety disorders 5% & depressive illness 2%. Those patients were observed in OPD of KYAMCH during followed up.KYAMC Journal Vol. 4, No.-1, July 2013, Page 348-352

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Huang, Yu-Chen y Wen-Ho Chen. "Caldwell-Luc Operation Without Inferior Meatal Antrostomy: A Retrospective Study of 50 Cases". Journal of Oral and Maxillofacial Surgery 70, n.º 9 (septiembre de 2012): 2080–84. http://dx.doi.org/10.1016/j.joms.2011.09.044.

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Lewis, Pip, C. Wright y C. Hooper. "Opioid analgesia on the battlefield: a retrospective review of data from Operation HERRICK". Journal of the Royal Army Medical Corps 164, n.º 5 (6 de abril de 2018): 328–31. http://dx.doi.org/10.1136/jramc-2017-000897.

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BackgroundAcute pain secondary to trauma is commonly encountered on the battlefield. The use of morphine to manage pain during combat has been well established since the 19th century. Despite this, there is relatively little research on analgesia use in this environment. This study aims to review the use and complications of morphine and other opioids during Operation HERRICK.MethodsA database search of the Joint Theatre Trauma Registry was completed looking for all incidences of morphine, fentanyl or naloxone use from February 2007 to September 2014. Microsoft Excel was used to analyse the results.ResultsOpioid analgesia was administered to 5801 casualties. Morphine was administered 6742 times to 3808 patients. Fentanyl was administered 9672 times to 4318 patients. Naloxone was used 18 times on 14 patients, giving a complication rate of 0.24%. Opioid doses prior to naloxone administration range from 0 to 72 mg of morphine and from 0 to 100 mcg of fentanyl. Four casualties (two local civilians and two coalition forces) received naloxone despite no recorded opioids being administered. Opium abuse was prevalent among the local population in Afghanistan, and this could explain the rationale behind two local national casualties receiving naloxone without any documented opioids being given.ConclusionThe use of opioids in a battlefield environment is extremely safe. Complication rates are similar to previously published data which is reassuring. The efficacy of different opioids was not covered by this study, and further analysis is required, particularly following the introduction of oral transmucosal fentanyl citrate and the availability of novel non-opioid analgesics.

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Schmitz, Adam, Paul Haste y Matthew S. Johnson. "Transjugular Intrahepatic Portosystemic Shunt (TIPS) Creation Prior to Abdominal Operation: a Retrospective Analysis". Journal of Gastrointestinal Surgery 24, n.º 10 (4 de septiembre de 2019): 2228–32. http://dx.doi.org/10.1007/s11605-019-04384-w.

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Vale, Diana, Ana Maçães, Geraldina Castro, Conceição Aparício, André Catarino y Liana Negrão. "Manchester operation for uterine prolapse: a retrospective study of 25 patients (2006–2015)". European Journal of Obstetrics & Gynecology and Reproductive Biology 206 (noviembre de 2016): e189-e190. http://dx.doi.org/10.1016/j.ejogrb.2016.07.464.

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Jiao, Chunlei, Kechi Yu, Dandan Li, Kang Fu, Pei Wang, Ying He y Jiexiong Feng. "A retrospective study of the ideal operation time for preterm biliary atresia patients". Pediatric Surgery International 35, n.º 6 (25 de febrero de 2019): 679–84. http://dx.doi.org/10.1007/s00383-019-04464-7.

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Chen, Sen, Zhe Yang, Ning Ma, Wei-Xin Wang, Li-Si Xu, Qi-Yu Liu y Yang-Qun Li. "Scrotal septal flap and two-stage operation for complex hypospadias: A retrospective study". World Journal of Clinical Cases 9, n.º 13 (6 de mayo de 2021): 2983–93. http://dx.doi.org/10.12998/wjcc.v9.i13.2983.

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Itohara, Chieko, Yuhei Matsuda, Yuka Sukegawa-Takahashi, Shintaro Sukegawa, Yoshihiko Furuki y Takahiro Kanno. "Relationship between Oral Health Status and Postoperative Fever among Patients with Lung Cancer Treated by Surgery: A Retrospective Cohort Study". Healthcare 8, n.º 4 (16 de octubre de 2020): 405. http://dx.doi.org/10.3390/healthcare8040405.

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A retrospective observational study using an oral bacteria counter was conducted to evaluate the trends in the number of oral bacteria in the perioperative period of lung cancer patients and to verify the relationship between oral health status and postoperative fever. All patients received perioperative oral management (POM) by oral specialists between April 2012 and December 2018 at Kagawa Prefectural Central Hospital, Kagawa, Japan prior to lung cancer surgery. Bacteria counts from the dorsum of the tongue were measured on the day of pre-hospitalization, pre-operation, and post-operation, and background data were also collected retrospectively. In total, 441 consecutive patients were enrolled in the study. Bonferroni’s multiple comparison test showed significantly higher oral bacteria counts at pre-hospitalization compared to pre- and post-operation (p < 0.001). Logistic regression analysis showed that body mass index, performance status, number of housemates, number of teeth, and white blood cell count at pre-operation were significantly associated with postoperative fever. The study showed that POM can reduce the level of oral bacterial counts, that the risk of postoperative complications is lower with dentulous patients, and that appropriate POM is essential for prevent of complications. Therefore, POM may play an important role in perioperative management of lung cancer patients.

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Zhang, Hong-Wei, Ya-Jin Chen, Ming-Hui Cao y Feng-Tao Ji. "Laparoscopic Cholecystectomy under Epidural Anesthesia: A Retrospective Comparison of 100 Patients". American Surgeon 78, n.º 1 (enero de 2012): 107–10. http://dx.doi.org/10.1177/000313481207800146.

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There are limited data about laparoscopic cholecystectomy (LC) under epidural anesthesia. This retrospective comparative study aimed to evaluate on the feasibility and advantages of LC under epidural anesthesia. In this retrospective comparative study, 100 patients (46 men and 54 women) with symptomatic cholelithiasis undergoing laparoscopic cholecystectomy using epidural anesthesia (EA) were compared with 100 patients undergoing laparoscopic cholecystectomy using general anesthesia (GA). Both groups were evaluated with regard to intraoperative mean arterial pressure, heart rate, operation time, duration of stay in the recovery room, and hospital cost. Laparoscopic operation was performed for 200 patients. Mean age of patients was 46.4 ± 6.9 years and 45.3 ± 6.8 years in EA and GA, respectively. Forty-six and 50 per cent of subjects were male in EA and GA, respectively. The mean operation time was 24 minutes and 25.58 minutes for EA and GA, respectively ( P = 0.652). The duration of stay in the recovery room was significantly shorter in EA than that in GA (19.56 ± 2.55 minutes vs 56.27 ± 6.85 minutes, respectively; P = 0.0001). In the EA group, 23 patients (23%) had severe shoulder pain during surgery. After receiving pethidine intravenously, all these patients could subsequently undergo surgery smoothly. There were no complications or mortality in either group. Most of the patients regarded EA as a comfortable procedure. The mean hospital cost for the EA group was only three-fourths that of the GA group. LC under EA is feasible and safe in selected patients.

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Richardson, George E., Conor S. Gillespie, Mohammad A. Mustafa, Basel A. Taweel, Ali Bakhsh, Siddhant Kumar, Sumirat M. Keshwara et al. "Clinical Outcomes Following Re-Operations for Intracranial Meningioma". Cancers 13, n.º 19 (24 de septiembre de 2021): 4792. http://dx.doi.org/10.3390/cancers13194792.

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The outcomes following re-operation for meningioma are poorly described. The aim of this study was to identify risk factors for a performance status outcome following a second operation for a recurrent meningioma. A retrospective, comparative cohort study was conducted. The primary outcome measure was World Health Organization performance. Secondary outcomes were complications, and overall and progression free survival (OS and PFS respectively). Baseline clinical characteristics, tumor details, and operation details were collected. Multivariable binary logistic regression was used to identify risk factors for performance status outcome following a second operation. Between 1988 and 2018, 712 patients had surgery for intracranial meningiomas, 56 (7.9%) of which underwent a second operation for recurrence. Fifteen patients (26.8%) had worsened performance status after the second operation compared to three (5.4%) after the primary procedure (p = 0.002). An increased number of post-operative complications following the second operation was associated with a poorer performance status following that procedure (odds ratio 2.2 [95% CI 1.1–4.6]). The second operation complication rates were higher than after the first surgery (46.4%, n = 26 versus 32.1%, n = 18, p = 0.069). The median OS was 312.0 months (95% CI 257.8–366.2). The median PFS following the first operation was 35.0 months (95% CI 28.9–41.1). Following the second operation, the median PFS was 68.0 months (95% CI 49.1–86.9). The patients undergoing a second operation for meningioma had higher rates of post-operative complications, which is associated with poorer clinical outcomes. The decisions surrounding second operations must be balanced against the surgical risks and should take patient goals into consideration.

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Sapkas, G., V. Lykomitros, K. Soultanis, E. C. Papadopoulos y M. Papadakis. "Spinal Surgery in Patients with Parkinson’s Disease: Unsatisfactory Results, Failure and Disappointment". Open Orthopaedics Journal 8, n.º 1 (3 de septiembre de 2014): 264–67. http://dx.doi.org/10.2174/1874325001408010264.

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Previous studies on spinal surgery in PD patients report an exceptionally high rate of complications. Failure and re -operation are frequent outcomes. This is a retrospective case series with the aim of establishing the rate of complications in patients with concomitant Parkinson’s disease. Ten patients were subjected to spinal surgery from 2005 to 2009. The indications and type of operation varied. Cases of Failed Back Surgery and re-operation were sought. Follow – up was between 6 – 42 months. All 10 patients presented some clinical or radiological complication. The most common complications were screw pull – out and progressive spinal deformity. Re – operations were performed in 5 patients, while clinical and radiological results were poor in the majority of cases. Patients with Parkinson’s disease have a very high complication rate and often have to undergo revision surgery. This particular group of patients should be informed of the increased risk of failure and be closely followed – up on a regular basis.

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Chen, Chien-Min, Li-Wei Sun, Chun Tseng, Ying-Chieh Chen y Guan-Chyuan Wang. "Surgical outcomes of full endoscopic spinal surgery for lumbar disc herniation over a 10-year period: A retrospective study". PLOS ONE 15, n.º 11 (5 de noviembre de 2020): e0241494. http://dx.doi.org/10.1371/journal.pone.0241494.

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Objective Full endoscopic lumbar discectomy (FELD) for lumbar disc herniation (LDH) has become popular in recent years. Previous studies have proven the efficacy, but few have discussed the possible risk factors of poor outcome. In this study, we reviewed patients who underwent FELD at Changhua Christian Hospital in the past 10 years and sought to identify factors associated with poor surgical outcomes and re-operations. Methods We retrospectively reviewed records from mid-2009 to mid-2018. Patients had undergone FELD and follow-up for ≥1 year were included. Factors included in the outcome evaluations were age, sex, surgical time, body mass index, surgical methods, disc herniation type, extension of herniation, degree of canal compromised, disc degenerative grade, smoking and alcohol use, surgical lumbar level, symptom duration, Oswestry low back disability index, and visual analog scale score. We had evolved from inside-out methods to outside-in methods after 2016, thus, we included this factor in the analysis. The primary outcomes of interest were poor/fair MacNab score and re-operation. Results From mid-2009 to mid-2018, 521 patients met our criteria and were analyzed. The median follow-up was 1685 days (range, 523–3923 days). Thirty-one (6.0%) patients had poor surgical outcomes (fair/poor MacNab score) and 45 (8.6%) patients required re-operation. Prolapsed herniated disc (P < 0.001), higher disc degenerative grade (P = 0.047), higher lumbar level (P = 0.026), longer preoperative symptoms (P < 0.001), and surgery before 2017 (outside-in technique, P = 0.020) were significant factors associated with poor outcomes in univariate analyses. In multivariate analyses, prolapsed herniated disc (P < 0.001), higher disc degenerative grade (P = 0.030), and higher lumbar level (P = 0.046) were statistically significant. The most common adverse symptom was numbness. Factors possibly associated with higher re-operation rate were older age (P = 0.045), alcohol use (P = 0.073) and higher lumbar level (P = 0.069). Only alcohol use showed statistically significant re-operation rates in multivariate analyses (P = 0.035). Conclusions For treating LDH by FELD, we concluded that prolapsed disc, higher disc degenerative grade, higher lumbar level, and longer preoperative symptom duration were possibly associated with unsatisfactory surgical outcomes (poor/fair MacNab score). The outside-in technique might be superior to the inside-out technique. Older age and alcohol use might be associated with a higher re-operation rate.

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Tyan, A. G. y Ekaterina V. Slukhanchuk. "LEARNING CURVE OF ROBOT-ASSISTED MYOMECTOMY". V.F.Snegirev Archives of Obstetrics and Gynecology 6, n.º 4 (15 de diciembre de 2019): 221–24. http://dx.doi.org/10.18821/2313-8726-2019-6-4-221-224.

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Introduction. Robot-assisted myomectomy is the most modern types of surgical interventions for uterine myoma in patients of reproductive age. It benefit in simplicity of intracorporeal suturing and lack of laparoscopic myomectomy limitations. Of great scientific interest is the speed of mastering the method. We studied the learning curve of a robot-assisted myomectomy based on our own experience. Material and methods. A retrospective analysis of the results of 45 robot-assisted operations for uterine myomas from August 2016 to June 2017 was performed at the City Clinical Hospital named after S.I. Spasokukotskiy. All operations were performed by a single surgeon with extensive experience in laparoscopic surgery. The surgeon had no experience of robotic operations. Results. According to a retrospective analysis, there was stromg correlation between the acquired experience of robotic surgery and such indicators as the average duration of the operation, the time of thermal ischemia and the volume of blood loss. Conclusion. The learning curve of a robot-assisted myomectomy for an experienced laparoscopic surgeon improves to 15 operations. This experience is enough to perform operations with a minimum duration, volume of blood loss and complications.

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Soloviev, Igor I., Nikolay V. Klenov, Sergey V. Bakurskiy, Mikhail Yu Kupriyanov, Alexander L. Gudkov y Anatoli S. Sidorenko. "Beyond Moore’s technologies: operation principles of a superconductor alternative". Beilstein Journal of Nanotechnology 8 (14 de diciembre de 2017): 2689–710. http://dx.doi.org/10.3762/bjnano.8.269.

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The predictions of Moore’s law are considered by experts to be valid until 2020 giving rise to “post-Moore’s” technologies afterwards. Energy efficiency is one of the major challenges in high-performance computing that should be answered. Superconductor digital technology is a promising post-Moore’s alternative for the development of supercomputers. In this paper, we consider operation principles of an energy-efficient superconductor logic and memory circuits with a short retrospective review of their evolution. We analyze their shortcomings in respect to computer circuits design. Possible ways of further research are outlined.

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Al-Salem, Ahmed H. y Mohammad Oquaish. "Adhesive Intestinal Obstruction in Infants and Children: The Place of Conservative Treatment". ISRN Surgery 2011 (30 de junio de 2011): 1–4. http://dx.doi.org/10.5402/2011/645104.

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Objectives. Adhesive intestinal obstruction (AIO) is rare in the pediatric age group and its treatment is still controversial. This is a retrospective review of our experience in infants and children with AIO. Patients and Methods. The records of infants and children with AIO between January 2001 and December 2010 were retrospectively reviewed for age at diagnosis, sex, initial operation, interval between initial operation and presentation, diagnosis, treatment and outcome. Results. 44 infants and children were admitted with AIO. There were 28 males and 16 females who had 46 episodes. Their ages at presentation ranged from 1 month to 12 years (mean 5.4 years), while their ages at initial operation ranged from 2 days to 12 years (mean 4.15 years). Time elapsed from initial operation to presentation ranged from 7 days to 8 years (mean 1.5 years), and 66% developed AIO within 1 year from initial operation. Appenedecectomy was the commonest operation (29.5%). Four (9%) responded to conservative treatment. The other 40 (91%) required surgical intervention. Twenty-nine had release of adhesions only, while 10 (25%) had resection of small intestines and one underwent stricturoplasty. Two developed recurrence and one died. Conclusions. AIO is rare in the pediatric age group and the majority becomes symptomatic within 1 year of operation. Appendecectomy is the commonest operation leading to AIO. The place of conservative treatment is limited and to obviate delay and decrease the chance of intestinal ischemia, they should be treated early with surgical adhesiolysis.

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Rhoades, Jesse L., Amelia Mays Woods, David Newman Daum, Douglas Ellison y Thomas N. Trendowski. "JTPE: A 30-Year Retrospective of Published Research". Journal of Teaching in Physical Education 35, n.º 1 (enero de 2016): 4–15. http://dx.doi.org/10.1123/jtpe.2014-0112.

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This case study presents an examination of 30 years of Journal of Teaching in Physical Education (JTPE) research. The purpose of this study was to provide a retrospective view of JTPE and its contribution to the field of physical education. In this effort the current study employed citation analysis, coauthor network analyses and thematic coding based phylogenic analysis. Data were collected through an online repository of JTPE articles and through google scholar examination of citation counts. Results indicated that JTPE has undergone subtle changes during the course of its existence. Further, thematic analysis revealed that the topical content of the journal has remained consistent over the course of its operation.

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Piwowarczyk, Krzysztof, Ewelina Bartkowiak, Jadzia Chou, Katarzyna Kukawska, Ludwika Piwowarczyk y Małgorzata Wierzbicka. "The impact of accurate documentation of parotid tumor operative reports on secondary surgical procedure". Otolaryngologia Polska 74, n.º 6 (30 de diciembre de 2020): 1–5. http://dx.doi.org/10.5604/01.3001.0014.6240.

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Objective: To develop a comprehensive operative report schema based on the accuracy of primary operative reports (OpR) assessed on a department’s experience with parotid gland tumor re-operations. Design: Retrospective cross-sectional study. Setting: A tertiary referral center, the Department of Otolaryngology and Laryngological Surgery, Poznan University of Medical Sciences, Poland from 2008 to 2017. Subjects: Out of 1154 surgeries, 71 patients underwent reoperation. Their OpR were categorized into accurate and non-accurate, and re-operation field and re-operation course were categorized as anticipated or unanticipated, according to defined criteria. Intervention: None Main outcome measures: The impact of accuracy of the first OpR on re-operation course. Results: In this series, OpR were 39% (14/36) accurate, 61% (22/36) non-accurate. Re-operation fields were 16% (11/71) anticipated, 37% (26/71) unanticipated. Re-operation courses were 37% (26/71) anticipated, 63% (45/71) unanticipated. An anticipated re-operation course followed 20% (5/26) of accurate and 20% (5/26) of non-accurate primary OpR. An unanticipated re-operation course followed 20% (9/45) of accurate and 40% (18/45) of non-accurate OpR. There is no significant relationship between the re-operation course and accuracy of the first OpR (Chi2(1)=0.69; p=0.40466). The most common variable that affected non-accuracy of the OpR was facial nerve function after surgery (6/12). Conclusions: The operative report should be based on clear criteria, robust classification and comprehensive protocol. This will improve follow-up and facilitate the planning of re-operation.

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Habal, Petr, Jiří Šimek, Vladimír Lonský y Josef Novotný. "Possibilities of Combined Surgical Treatment of Lung Tumours and Heart Diseases". Acta Medica (Hradec Kralove, Czech Republic) 49, n.º 3 (2006): 175–81. http://dx.doi.org/10.14712/18059694.2017.128.

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The purpose of the study was a retrospective evaluation of the outcome of surgical therapy of lung cancer in patients where there was concomitant cardiac disease and who underwent a cardiac operation either because of ischemic heart disease or because of valvular disease. These patients were operated on at various time intervals (two to ten months) after their cardiac operation. Some patients had their lung cancer surgery after the cardiac operation because of the high risk of possible cardiac postoperative complications; in one patient the lung operation preceded the cardiac one.

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Xie, Keyue, Songlei Liu, Bing Huang y Ming Yao. "Effects of Supraorbital Foramen Variations on the Treatment Efficacy of Radiofrequency Therapy for V1 Trigeminal Neuralgia: A Retrospective Study". Pain Research and Management 2020 (26 de febrero de 2020): 1–6. http://dx.doi.org/10.1155/2020/8142489.

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Background. Primary V1 trigeminal neuralgia is a common refractory neuralgia in clinical practice, lacking effective treatments. Radiofrequency therapy has certain treatment efficacy, but its long-term efficacy remained poor and the disease might relapse. Objective. To compare the effects of different types of supraorbital foramen variations on the treatment efficacy of radiofrequency therapy for V1 trigeminal neuralgia. Methods. Data of 54 patients with V1 trigeminal neuralgia who underwent treatment in the First Hospital of Jiaxing, Zhejiang, were retrospectively analyzed. All these patients received CT-guided radiofrequency thermocoagulation of supraorbital nerve. According to the CT images, the supraorbital foramen of the patients was categorized as holes (hole group) or notches (notch group). The patient characteristics, including Numerical Rating Scale (NRS) score and effective treatment rates before and 1 d, 0.5 y, 1 y, and 2 y after operation, and numbness degree at day 1 and 2 y after the operation were compared. The short- and long-term complications during postoperative follow-up period were also recorded. Results. Among the 54 patients, 25 patients were grouped into the hole group and 29 into the notch group. The NRS scores before and at 1 d, 0.5 y, 1 y, and 2 y after operation showed no significant differences between the two groups. However, the NRS scores at the remaining time points after operation were significantly decreased when compared with scores before operation (P<0.05). The numbness and numbness degree after operation showed no significant differences between the two groups. The numbness degree at 2 y after operation was significantly lower than 1 d after operation (P<0.05). The effective rate at 1 d, 0.5 y, and 1 y after operation showed no significant differences between the hole and notch groups. However, the effective rate at 2 y after operation was significantly lower in the notch group than hole group (P<0.05). No severe short- or long-term complications were found in either group. Conclusion. The short- and long-term effective rates of radiofrequency therapy during V1 trigeminal neuralgia treatment are relatively high in patients with different types of supraorbital foramen variations. However, the effective rate is even higher in patients with hole-type supraorbital foramen. No other severe complications, except numbness, were found, and the acceptability rate remained high in patients.

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Mitchell, S., CR Jackson y D. Wilson-Storey. "Surgical treatment of ingrown toenails in children: what is best practice?" Annals of The Royal College of Surgeons of England 93, n.º 2 (marzo de 2011): 99–102. http://dx.doi.org/10.1308/003588411x12851639107674.

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INTRODUCTION Surgery for ingrowing toenails carries a significant re-operation rate. We reviewed our departmental figures to assess the optimal management of these patients. PATIENTS AND METHODS We performed a 10-year retrospective review of all patients undergoing surgery for ingrown toenails (IGTN) in order to determine the operations most commonly used and the re-operation rate of each of these procedures. RESULTS A total of 880 procedures were performed on 414 patients. The median age at operation was 8.5 years. About half (48%) of children underwent two or more procedures with wedge excision and phenol application being the most common initial and repeat procedure. Recurrent surgery was most likely following plain avulsion or wedge avulsion without phenol application. Excision of the nailbed with phenol application had the lowest recurrence rate at 18.4%. CONCLUSIONS We recommend wedge resection with phenol application as first-line treatment with simple avulsion reserved for severely infected toes. Total nail bed excisions should be reserved for patients with significant on-going morbidity associated with IGTN. Families must be made aware of the likely outcome of IGTN surgery and the choice of operation must be tailored to the individual.

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Sugawara, Atsushi, Toyohiko Isu, Kyongsong Kim, Daijiro Morimoto, Masanori Isobe, Ryoji Matsumoto, Kuniaki Ogasawara y Akira Ogawa. "Results of Posterior Decompression for Lumbar Spinal Canal Stenosis—Retrospective Analysis of Re-operation—". Spinal Surgery 24, n.º 1 (2010): 111–14. http://dx.doi.org/10.2531/spinalsurg.24.111.

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Patel, Parantap, Davis Taylor y Min S. Park. "Characteristics of traumatic brain injury during Operation Enduring Freedom–Afghanistan: a retrospective case series". Neurosurgical Focus 47, n.º 5 (noviembre de 2019): E13. http://dx.doi.org/10.3171/2019.8.focus19493.

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Traumatic brain injury (TBI) is a significant cause of morbidity and mortality, especially among members of the armed services. Injuries sustained in the battlefield are subject to different mechanisms than those sustained in civilian life, particularly blast and high-velocity injury. Due to the unique nature of these injuries and the challenges associated with battlefield medicine, surgical interventions play a key role in acute management of TBI. However, the burden of chronic disease posed by TBI is poorly understood and difficult to investigate, especially in the military setting. The authors report the case logs of a United States Navy neurosurgeon, detailing the acute management and outcomes of 156 patients sustaining TBI between November 2010 and May 2011 during the war in Afghanistan. By demographics, more than half of the patients treated were local nationals. By mechanism of injury, blunt trauma (40.4%) and explosive injury (37.2%) were the most common contributors to TBI. Decompressive craniectomies (24.0%) and clot evacuations (14.7%) were the procedures most commonly performed. Nearly one-quarter of patients were transferred to receive further care, yet only 3 patients were referred for rehabilitative services. Furthermore, the data suggest that patients sustaining comorbid injuries in addition to TBI may be predisposed to worse outcomes. Improvements in documentation of military patients may improve knowledge of TBI and further identify potential variables or treatments that may affect prognosis. The increased survivability from TBI also highlights the need for additional research expenditure in the field of neurorehabilitation specifically.

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OHBAYASHI, Hiroyuki. "A Retrospective Study of ‘Operation Zero Asthma Death’ in the Tono District, Gifu Prefecture". JOURNAL OF THE JAPANESE ASSOCIATION OF RURAL MEDICINE 59, n.º 4 (2010): 482–92. http://dx.doi.org/10.2185/jjrm.59.482.

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