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Journal articles on the topic 'Residual obstruction'

Author: Grafiati

Published: 16 November 2024

Last updated: 31 July 2025

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1

Pesavento, Raffaele, Lucia Filippi, Antonio Palla, et al. "Impact of residual pulmonary obstruction on the long-term outcome of patients with pulmonary embolism." European Respiratory Journal 49, no. 5 (2017): 1601980. http://dx.doi.org/10.1183/13993003.01980-2016.

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The impact of residual pulmonary obstruction on the outcome of patients with pulmonary embolism is uncertain.We recruited 647 consecutive symptomatic patients with a first episode of pulmonary embolism, with or without concomitant deep venous thrombosis. They received conventional anticoagulation, were assessed for residual pulmonary obstruction through perfusion lung scanning after 6 months and then were followed up for up to 3 years. Recurrent venous thromboembolism and chronic thromboembolic pulmonary hypertension were assessed according to widely accepted criteria.Residual pulmonary obstru

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Kroft, Lucia J. M., Petra M. G. Erkens, Renée A. Douma, et al. "Thromboembolic resolution assessed by CT pulmonary angiography after treatment for acute pulmonary embolism." Thrombosis and Haemostasis 114, no. 07 (2015): 26–34. http://dx.doi.org/10.1160/th14-10-0842.

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SummaryThe systematic assessment of residual thromboembolic obstruction after treatment for acute pulmonary embolism (PE) has been under-studied. This assessment is of potential clinical importance, should clinically suspected recurrent PE occur, or as tool for risk stratification of cardiopulmonary complications or recurrent venous thromboembolism (VTE). This study aimed to assess the rate of PE resolution and its implications for clinical outcome. In this prospective, multi-center cohort study, 157 patients with acute PE diagnosed by CT pulmonary angiography (CTPA) underwent follow-up CTPA-i

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Khadka, Pralaya, Bijoy G. Rajbanshi, Anish Hirachan, et al. "Hypertrophic Obstructive Cardiomyopathy with Severe Aortic Valve Stenosis – A Case Report of a Commonly Overlooked Dual Pathology." Nepalese Heart Journal 22, no. 1 (2025): 61–63. https://doi.org/10.3126/nhj.v22i1.78217.

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We report a case of coexisting hypertrophic obstructive cardiomyopathy and aortic stenosis in a 69-year-old female who presented with exertional breathlessness and palpitations. Trans thoracic echocardiogram revealed severe valvular aortic stenosis and asymmetric septal hypertrophy with obstruction and mild to moderate mitral valve stenosis. The patient underwent concurrent aortic valve replacement with a tissue valve and extended septal myectomy. Post-surgery, the patient experienced significant symptom relief and improved functional status with no residual obstruction in the left ventricular

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Ulualp, Seckin. "Outcomes of Tongue Base Reduction and Lingual Tonsillectomy for Residual Pediatric Obstructive Sleep Apnea after Adenotonsillectomy." International Archives of Otorhinolaryngology 23, no. 04 (2019): e415-e421. http://dx.doi.org/10.1055/s-0039-1685156.

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Introduction Upper airway obstruction at multiple sites, including the velum, the oropharynx, the tongue base, the lingual tonsils, or the supraglottis, has been resulting in residual obstructive sleep apnea (OSA) after tonsillectomy and adenoidectomy (TA). The role of combined lingual tonsillectomy and tongue base volume reduction for treatment of OSA has not been studied in nonsyndromic children with residual OSA after TA. Objective To evaluate the outcomes of tongue base volume reduction and lingual tonsillectomy in children with residual OSA after TA. Methods A retrospective chart review w

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Afanasyev, A. V., A. V. Bogachev-Prokophiev, S. I. Zheleznev, et al. "SEPTAL MYECTOMY WITH SUBVALVULAR APPARATUS INTERVENTION IN PATIENTS WITH HYPERTROPHIC OBSTRUCTIVE CARDIOMYOPATHY: IMMEDIATE RESULTS." Siberian Medical Journal 33, no. 3 (2018): 71–77. http://dx.doi.org/10.29001/2073-8552-2018-33-3-71-77.

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Aim. Surgical septal myectomy is a standard treatment option for patients with hypertrophic obstructive cardiomyopathy. Subvalvular abnormalities of the mitral valve may play an important role in residual left ventricular outflow tract obstruction. This study aimed to evaluate the surgical outcomes of septal myectomy with subvalvular interventions.Material and Methods. Between July, 2015 and December, 2016, 40 eligible patients underwent septal myectomy with subvalvular intervention. The peak gradient was 92.3±16.9 mm Hg. The mean septum thickness was 26.8±4.5 mm. Moderate or severe systolic a

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Awolaran, Olugbenga, Kirsty Brennan, Iain Yardley, and Hemanshoo Thakkar. "Water beads ingestion presenting with repeated bowel obstruction in an infant." BMJ Case Reports 17, no. 2 (2024): e257875. http://dx.doi.org/10.1136/bcr-2023-257875.

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An infant presented repeatedly with features of transient bowel obstruction 72 hours after unwitnessed ingestion of water beads. At the third presentation 5 days later, he underwent laparotomy and jejunal enterotomy for retrieval of obstructing water bead in the duodenum. Four other water beads were retrieved. Due to persistent obstructive symptoms, he had a relaparotomy on fourth postoperative day. A further obstructing bead at the duodenojejunal flexure was retrieved. Antegrade upper gastrointestinal endoscopy and retrograde endoscopy through the enterotomy were performed to ensure no furthe

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Bang, Ole. "SIGNIFICANCE OF RESIDUAL URINE IN PROSTATIC OBSTRUCTION." Acta Medica Scandinavica 142, S266 (2009): 199–202. http://dx.doi.org/10.1111/j.0954-6820.1952.tb13367.x.

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8

Delestre, M., J. Barbieux, and A. Paisant. "Small bowel obstruction due to residual appendix." Journal of Visceral Surgery 156, no. 6 (2019): 527–28. http://dx.doi.org/10.1016/j.jviscsurg.2019.07.008.

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Bahl, Ajay, Bhupesh Kumar, Shyam KS Thingam, and Sunder Lal Negi. "Midventricular Hypertrophic Obstructive Cardiomyopathy with Left Ventricular Aneurysm and Clot: The Role of Transesophageal Echocardiogram in Assessment and Management of Myomectomy." Journal of Perioperative Echocardiography 2, no. 2 (2014): 58–60. http://dx.doi.org/10.5005/jp-journals-10034-1022.

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ABSTRACT Hypertrophic obstructive cardiomyopathy (HOCM) with mid ventricular obstruction leading to apical aneurysm and clot is very rare. Intraoperative transesophageal echocardiogram (TEE) can be used to know the maximum thickness of the septum, its distance from the aortic annulus and the apical extent of septal bulge. Postresection TEE can provide information about residual obstruction or any complications. We present a case of 65-year-old male patient who underwent CABG, septal myectomy, Dor's procedure for aneurysm and clot removal. Septal resection was done under TEE guidance. How to ci

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Ravikant, Sinha, Kumar Prabhat, Kumar Ajay, and Prakash Shashi. "Study of Lower Urinary Tract Symptoms in Female Patients with Special Emphasis on Urodynamic Study." International Journal of Pharmaceutical and Clinical Research 15, no. 11 (2023): 1508–14. https://doi.org/10.5281/zenodo.11239080.

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<strong>Objectives:</strong> The study aims diagnose LUTS in women and investigate the urodynamic patterns from pressure-flow studies, to correlate them with clinical presentations and postvoid residual urine volume for enhanced diagnostic and management approaches. <strong>Methods:</strong> The study, conducted at PARAS HMRI Hospital, Patna, for over one year, focused on women patients who were presenting symptoms of LUTS. Around 60 patients were categorized based on the symptoms experienced into 3 groups. The study compared parameters like bladder outlet obstruction, maximal f

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Mylavarapu, Goutham, Dhananjay Subramaniam, Raghuvir Jonnagiri, et al. "Computational Modeling of Airway Obstruction in Sleep Apnea in Down Syndrome." Otolaryngology–Head and Neck Surgery 155, no. 1 (2016): 184–87. http://dx.doi.org/10.1177/0194599816639544.

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Current treatment options are successful in 40% to 60% of children with persistent obstructive sleep apnea after adenotonsillectomy. Residual obstruction assessments are largely subjective and do not clearly define multilevel obstruction. We endeavor to use computational fluid dynamics to perform virtual surgery and assess airflow changes in patients with Down syndrome and persistent obstructive sleep apnea. Three-dimensional airway models were reconstructed from respiratory-gated computed tomography and magnetic resonance imaging. Virtual surgeries were performed on 10 patients, mirroring act

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Gumbiene, Lina, Lina Kapleriene, Dovile Jancauskaite, et al. "Insights to correlations and discrepancies between impaired lung function and heart failure in Eisenmenger patients." Pulmonary Circulation 10, no. 1 (2020): 135065012090972. http://dx.doi.org/10.1177/2045894019899239.

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Impaired lung function and spirometric signs of airway obstruction without common risk factors for chronic obstructive pulmonary disease could be found in patients with Eisenmenger syndrome. This study aimed to analyse the association between lung function parameters and disease severity (including heart failure markers, associated congenital heart defect) as well as the possible reasons for airflow obstruction in Eisenmenger syndrome. The data of 25 patients with Eisenmenger syndrome were retrospectively evaluated. The patients were divided into groups according to airflow obstruction and a t

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Roberts, CM, KD MacRae, and WA Seed. "Multi-breath and single breath helium dilution lung volumes as a test of airway obstruction." European Respiratory Journal 3, no. 5 (1990): 515–20. http://dx.doi.org/10.1183/09031936.93.03050515.

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Total lung capacity (TLC) and residual volume (RV) measurements derived from multi-breath and single breath helium dilution methods were combined to produce four indices of gas mixing: single breath volume/multi-breath volume ratio (TLCr, RVr) or multi-breath volume minus single breath volume difference (TLCd, RVd). The reproducibility of these indices and their sensitivity and specificity in discriminating between normal subjects and those with mild asthma and severe chronic obstructive pulmonary disease (COPD) was assessed. The total lung capacity ratio (TLCr) was the superior variable overa

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Shamsuddin, AK, MIS Al Manzo, and M. Kabiruzzaman. "Isolated Fixed Discrete Subaortic Membrane- A Case Report." Bangladesh Heart Journal 30, no. 1 (2016): 43–45. http://dx.doi.org/10.3329/bhj.v30i1.28137.

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Discrete subaortic membrane, which is an obstructing lesion of the left ventricular outflow tract, remains a surgical challenge. A 7 year old boy came with a discrete fixed sub-aortic membrane (SAM) causing severe Left ventricular outflow tract (LVOT) obstruction. The membrane was excised totally and the patient had a satisfactory recovery. Discharge echocardiogram found no residual SAM, no gradient across LVOT, mild aortic regurgitation(AR) which was present preoperatively.Bangladesh Heart Journal 2015; 30(1) : 43-45

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Raj, Leela, Philippe Robin, Raphael Le Mao, et al. "Predictors for Residual Pulmonary Vascular Obstruction after Unprovoked Pulmonary Embolism: Implications for Clinical Practice—The PADIS-PE Trial." Thrombosis and Haemostasis 119, no. 09 (2019): 1489–97. http://dx.doi.org/10.1055/s-0039-1692424.

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Background We aimed to identify risk factors for residual pulmonary vascular obstruction after a first unprovoked pulmonary embolism (PE). Methods Analyses were based on data from the double-blind randomized “PADIS-PE” trial that included 371 patients with a first unprovoked PE initially treated during 6 uninterrupted months; all patients underwent baseline ventilation–perfusion lung scanning at inclusion (i.e., after 6 months of anticoagulation). Each patient's pulmonary vascular obstruction indexes (PVOIs) at PE diagnosis and at inclusion were centrally assessed. Results Among the 371 includ

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Christopoulos, P., S. Ross-Thriepland, H. McCarthy, C. S. Day, and W. Sasi. "A Rare Case of an Early Postoperative Obstructive Ileus in a Young Female Patient due to a Residual Trichobezoar Mass." Case Reports in Surgery 2016 (2016): 1–4. http://dx.doi.org/10.1155/2016/4121969.

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Trichobezoar is a rare cause of small bowel obstruction, whereby a mass forms most commonly in the stomach and duodenum of young females, from ingestion of hair, a condition known as trichophagia. We present a case of recurrent small bowel obstruction due to a residual hair mass that was removed surgically in a young female patient who had a laparotomy and gastrotomy for removal of a large gastric trichobezoar just two weeks prior to the current admission. This case illustrates the importance of a thorough inspection of the whole bowel to ensure that no residual bezoars remain after surgery.

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Aganovic, Damir, and Alden Prcic. "Detrusor contraction duration and strength in the patients with benign prostatic enlargement." Bosnian Journal of Basic Medical Sciences 4, no. 1 (2004): 29–33. http://dx.doi.org/10.17305/bjbms.2004.3457.

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OBJECTIVE: examine detrusor contraction duration (DCD) in relation with obstruction grade and strength of detrusor contractility; analyze individual correlations of this parameter with urodynamic, physiological and symptoms variables in patients with benign prostatic enlargement (BPE).SAMPLE AND METHODOLOGY: 102 patients with proved BPE, underwent complete urodynamic measurements (UDM), namely uroflowmetry, cystometry and pressure/flow studies. Postvoid residual urine (PVR) was measured and the International Prostate Symptom Score (I-PSS) was fulfilled by each patient. Methodology of measureme

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Upadhyay, Vinay, Praveen Nayak, Ruchit Patel, and Sandipbhai Lukhi. "Study of right ventricular outflow tract gradient in immediate postoperative period following intracardiac repair for tetralogy of Fallot." Heart India 11, no. 2 (2023): 57–62. http://dx.doi.org/10.4103/heartindia.heartindia_11_23.

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Background: Surgical repair of tetralogy of Fallot (TOF) consists of adequate ventricular septal defect closure and relief of right ventricular outflow tract (RVOT) obstruction to the greatest extent possible. The residual RVOT gradient can be due to dynamic and fixed obstruction, and high gradient is sometimes seen even after a satisfactory RVOT resection often confirmed with intraoperative TransEsophageal Echocardiogram (TEE). Aim: The present study was conducted to study the changes in RVOT residual gradient in the early postoperative period. We analyzed the change in residual gradient by i

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Mothersole, Kelsey, Seckin Omer Ulualp, Peter Szmuk, and Christopher Liu. "The Effect of Tonsillectomy and Adenoidectomy on Upper Airway Obstruction Patterns in Children with Obstructive Sleep Apnea." International Archives of Otorhinolaryngology 27, no. 02 (2023): e211-e217. http://dx.doi.org/10.1055/s-0043-1768207.

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Abstract Introduction Alterations in upper airway flow dynamics and sites of airway obstruction immediately after tonsillectomy and adenoidectomy (TA) have not been assessed. Identification of the changes in airway obstruction patterns after TA potentially improves the surgical management of children with obstructive sleep apnea (OSA). Objective To evaluate the effect of TA on upper airway obstruction patterns detected with drug-induced sleep endoscopy (DISE). Methods The medical records of patients who underwent pre-TA DISE during the induction of anesthesia and post-TA DISE at the end of TA

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Woodson, Gayle, and Todd Weiss. "Arytenoid Abduction for Dynamic Rehabilitation of Bilateral Laryngeal Paralysis." Annals of Otology, Rhinology & Laryngology 116, no. 7 (2007): 483–90. http://dx.doi.org/10.1177/000348940711600702.

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Objectives: Bilateral laryngeal paralysis results in airway obstruction, but the voice is often nearly normal. Tracheotomy provides an airway and preserves voice. Surgical procedures to statically enlarge the glottis can permit decannulation, but do so at the expense of the voice. Motion analysis in cadaver larynges has demonstrated that adductor and abductor muscles rotate the arytenoid cartilage around different axes. We sought to determine whether external rotation of the arytenoid cartilage could enlarge the airway without abolishing residual phonatory adduction. Methods: We performed aryt

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Bhattarai, B., and S. Shrestha. "Negative Pressure Pulmonary Edema- Case Series and Review of Literature." Kathmandu University Medical Journal 9, no. 4 (2012): 310–14. http://dx.doi.org/10.3126/kumj.v9i4.6352.

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Post obstructive pulmonary edema (POPE) also known as Negative pressure pulmonary edema (NPPE)is potentially life threatening complication. It occurs in about 0.1% of anesthetics and is related to upper airway obstruction. Two types have been described in literature. Different etiology has been attributed to development of Negative pressure pulmonary edema. Early identification and treatment of predisposing factor along with proper monitoring of this complication early treatment should be instituted because resolution is also fast and in most cases without residual effects. DOI: http://dx.doi.

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Saleem, Kamal, Iftikhar Ahmed, Mehboob Sultan, Intisar ul Haq, Umair Younus, and William M. Novick. "Bidirectional Glenn for residual outflow obstruction in Tetralogy of Fallot." Cardiology in the Young 29, no. 5 (2019): 684–88. http://dx.doi.org/10.1017/s1047951119000866.

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AbstractBackground:Residual right ventricular outflow obstruction during Tetralogy of Fallot repair necessitates peri-operative revision often requiring trans-annular patch with its negative sequels. Bidirectional Glenn shunt in this setting reduces trans-pulmonary gradient to avoid revision.Methods:Bidirectional Glenn shunt was added during Tetralogy repair in patients with significant residual obstruction. A total of 53 patients between January, 2011 and June, 2018 were included. Final follow-up was conducted in July, 2018.Results:Mean age at operation was 5.63±3.1 years. Right to left ventr

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Pontikides, Nickolaos, Spyridon Karras, Antonios Papagiannis, et al. "Recombinant Human Thyrotropin-Aided Radioiodine Therapy in Tracheal Obstruction by an Invading Well-Differentiated Thyroid Carcinoma." Case Reports in Otolaryngology 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/579527.

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Papillary thyroid carcinomas (PTCs) usually extend to lymph nodes in the neck and mediastinum. Rarely, they invade the neighboring upper airway anatomical structures. We report a 56-year-old woman who presented with symptoms of upper airway obstruction. Imaging studies revealed a lesion derived from the thyroid which invaded and obstructed the trachea, which appeared to be a highly differentiated PTC. Total thyroidectomy was performed, with removal of the endotracheal part of the mass along with the corresponding anterior tracheal rings. Two months later, a whole body I131scan after recombinan

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Hady, Kelly K., and Caroline U. A. Okorie. "Positive Airway Pressure Therapy for Pediatric Obstructive Sleep Apnea." Children 8, no. 11 (2021): 979. http://dx.doi.org/10.3390/children8110979.

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Pediatric obstructive sleep apnea syndrome (OSAS) is a disorder of breathing during sleep, characterized by intermittent or prolonged upper airway obstruction that can disrupt normal ventilation and/or sleep patterns. It can affect an estimated 2–4% of children worldwide. Untreated OSAS can have far reaching consequences on a child’s health, including low mood and concentration as well as metabolic derangements and pulmonary vascular disease. Most children are treated with surgical intervention (e.g., first-line therapy, adenotonsillectomy); however, for those for whom surgery is not indicated

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Caffè, Andrea, Francesco Maria Animati, Giulia Iannaccone, Riccardo Rinaldi, and Rocco Antonio Montone. "Precision Medicine in Acute Coronary Syndromes." Journal of Clinical Medicine 13, no. 15 (2024): 4569. http://dx.doi.org/10.3390/jcm13154569.

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Nowadays, current guidelines on acute coronary syndrome (ACS) provide recommendations mainly based on the clinical presentation. However, greater attention is being directed to the specific pathophysiology underlying ACS, considering that plaque destabilization and rupture leading to luminal thrombotic obstruction is not the only pathway involved, albeit the most recognized. In this review, we discuss how intracoronary imaging and biomarkers allow the identification of specific ACS endotypes, leading to the recognition of different prognostic implications, tailored management strategies, and n

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Castellani, Daniele, Redi Claudini, Luca Gasparri, Alessandro Branchi, Maria Pia Pavia, and Marco Dellabella. "Is complete anatomical endoscopic laser enucleation of the prostate always necessary? Yes, it is!" Urologia Journal 86, no. 2 (2018): 93–95. http://dx.doi.org/10.1177/0391560318812302.

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Introduction: Thulium laser enucleation of the prostate is gaining popularity due to its short learning curve and low postoperative morbidity. The aim of Thulium laser enucleation of the prostate is the complete endoscopic enucleation of the adenoma. We report an unusual case of bladder outlet obstruction developed 6 weeks after Thulium laser enucleation of the prostate. Case description: A 74-year-old man complained of severe voiding phase symptoms lasting 2 weeks, starting 6 weeks after Thulium laser enucleation of the prostate. He underwent a transrectal ultrasound, which showed a wide pros

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Pillai, Manjusha N., Shrinivas Gadhinglajkar, Sabarinath Menon, and Rupa Sreedhar. "Residual Obstruction After Repair of Total Anomalous Pulmonary Venous Connection." A & A Practice 12, no. 6 (2019): 215–17. http://dx.doi.org/10.1213/xaa.0000000000000916.

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Qiabi, Mehdi, Karine Chagnon, Alain Beaupré, Julian Hercun, and George Rakovich. "Scoliosis and Bronchial Obstruction." Canadian Respiratory Journal 22, no. 4 (2015): 206–8. http://dx.doi.org/10.1155/2015/640573.

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Severe scoliosis may have a significant effect on respiratory function. The effect is most often restrictive due to severe anatomical distortion of the chest, leading to reduced lung volumes, limited diaphragmatic excursion and chest wall muscle inefficiency. Bronchial compression by the deformed spine may also occur but is more unusual. Management options include a conservative approach using bracing and physiotherapy in mild cases, as well as surgical correction of the scoliosis in more severe cases. Bronchial stenting has also been used successfully as an alternative to surgical correction,

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Park, Jintae, Sora Baek, Gowun Kim, Seung-Joo Nam, and Ji Hyun Kim. "Esophageal Motility Disorders in Patients With Esophageal Barium Residue After Videofluoroscopic Swallowing Study." Annals of Rehabilitation Medicine 46, no. 5 (2022): 237–47. http://dx.doi.org/10.5535/arm.22039.

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Objective To investigate esophageal motility disorders in patients with esophageal residual barium on chest x-rays after videofluoroscopic swallowing studies (VFSS) through high-resolution esophageal manometry (HREM).Methods We reviewed the records of 432 patients who underwent VFSS from September 2019 to May 2021, and 85 patients (19.7%) with large residual barium (diameter ≥1 cm) were included. As a result of HREM, motility disorders were classified as major or minor motility disorders according. Esophagogastroduodenoscopy and chest computed tomography results available were also reviewed.Re

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Wilson, Jason, Angela S. Collins, and Brea O. Rowan. "Residual Neuromuscular Blockade in Critical Care." Critical Care Nurse 32, no. 3 (2012): e1-e10. http://dx.doi.org/10.4037/ccn2012107.

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Neuromuscular blockade is a pharmacological adjunct for anesthesia and for surgical interventions. Neuromuscular blockers can facilitate ease of instrumentation and reduce complications associated with intubation. An undesirable sequela of these agents is residual neuromuscular blockade. Residual neuromuscular blockade is linked to aspiration, diminished response to hypoxia, and obstruction of the upper airway that may occur soon after extubation. If an operation is particularly complex or requires a long anesthesia time, residual neuromuscular blockade can contribute to longer stays in the in

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Varma, Praveen Kerala, Neethu Krishna, Hisham Ahamed, and Sujatha Madassery. "Posterior mitral leaflet plication for hypertrophic obstructive cardiomyopathy." Asian Cardiovascular and Thoracic Annals 26, no. 5 (2018): 400–403. http://dx.doi.org/10.1177/0218492318773590.

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Anomalies of the mitral valve apparatus in hypertrophic cardiomyopathy are an important cause of systolic anterior motion. Patients with significant residual obstruction due to systolic anterior motion after myectomy and anterior mitral leaflet plication may end up having mitral valve replacement. We describe the case of a 52-year-old man who underwent posterior mitral leaflet plication to correct residual systolic anterior motion after anterior mitral leaflet plication.

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Grommes, J., KT von Trotha, MA de Wolf, H. Jalaie, and CHA Wittens. "Catheter-directed thrombolysis in deep vein thrombosis: Which procedural measurement predicts outcome?" Phlebology: The Journal of Venous Disease 29, no. 1_suppl (2014): 135–39. http://dx.doi.org/10.1177/0268355514529394.

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The post-thrombotic syndrome (PTS) as a long-term consequence of deep vein thrombosis (DVT) is caused by a venous obstruction and/or chronic insufficiency of the deep venous system. New endovascular therapies enable early recanalization of the deep veins aiming reduced incidence and severity of PTS. Extended CDT is associated with an increased risk of bleeding and stenting of residual venous obstruction is indispensable to avoid early rethrombosis. Therefore, this article focuses on measurements during or after thrombolysis indicating post procedural outcome.

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de Vries, Kristin Anne, Aukje van der Wolk, Jantine Venker, and Jasper Koolwijk. "Vocal cord dysfunction causing hypoxaemia in the postanaesthesia care unit." BMJ Case Reports 17, no. 1 (2024): e257685. http://dx.doi.org/10.1136/bcr-2023-257685.

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Hypoxaemia in the postanaesthesia care unit is common and the majority is caused by hypoventilation or upper airway obstruction due to the (residual) effects of anaesthetic and analgesic agents. We present a case of upper airway obstruction caused by vocal cord dysfunction, a less frequently occurring aetiology. The patient’s case suggests a notable relationship between procedural laryngeal stimulus and the onset of symptoms. Approach to the diagnosis and flexible laryngoscopy to either rule-in or rule-out several relevant differentials are discussed.

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Aboulela, Waseem Nabil, Mahmoud Shoukry Eladawy, and Ahmed Abdel Latif. "The effect of use of alpha-blockers in posterior urethral valve pediatric patients postvalve ablation in the absence of further outlet obstruction." Urology Annals 16, no. 3 (2024): 218–20. http://dx.doi.org/10.4103/ua.ua_105_23.

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Objectives: The objectives of this study were to detect whether the use of alpha-blockers in posterior urethral valve (PUV) pediatric patients after valve ablation will improve the persistent obstructive symptoms despite the absence of obstruction and if there are associated side effects of its use. Patients and Methods: A prospective, single-blinded randomized study was conducted at the urology department of two hospitals on 50 male children between September 2019 and June 2021 with PUV. All children were treated by endoscopic ablation of PUV using the cold knife and were followed clinically

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Magarey, M. J. R., S. M. Jayaraj, H. A. Saleh, and A. Sandison. "Ball valve nasal obstruction following incomplete inferior turbinectomy." Journal of Laryngology & Otology 118, no. 2 (2004): 146–47. http://dx.doi.org/10.1258/002221504772784621.

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An interesting case is presented of a 53-year-old male who was seen with a 10-year history of intermittent, unilateral nasal obstruction following a bilateral total inferior turbinectomy. A pedunculated mass was seen in the right posterior nasal space acting as a ball valve. This was removed and found to be residual turbinate tissue.

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Pocienė, Irina, and Edvardas Danila. "The Aftermath of Pulmonary Embolism: Are Residual Thrombi Clinically Significant?" Diagnostics 15, no. 11 (2025): 1348. https://doi.org/10.3390/diagnostics15111348.

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Background: Following acute pulmonary embolism (PE), disease outcomes vary among patients. Complete recovery occurs in some cases, while others may experience persistent long-term symptoms, disease recurrence, or progression to chronic thromboembolic pulmonary hypertension (CTEPH). The exact reasons behind incomplete recovery and different outcomes are still not well established. This review aims to present the existing data regarding the clinical significance of residual thrombi after acute PE, particularly in the context of disease recurrence, the development of CTEPH, or persistent symptoms

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D'Honneur, Gilles, Frederic Lofaso, Gordon B. Drummond, et al. "Susceptibility to Upper Airway Obstruction during Partial Neuromuscular Block." Anesthesiology 88, no. 2 (1998): 371–78. http://dx.doi.org/10.1097/00000542-199802000-00016.

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Background Airway obstruction after anesthesia may be caused or exaggerated by residual neuromuscular block, with loss of muscle support for collapsible upper airway structures. Methods Six male volunteers were studied before treatment, during stable partial neuromuscular block with vecuronium at a mean train-of-four (TOF) ratio of 50% (95% CI, 36-61%), and after reversal by neostigmine. Catheter-mounted transducers were placed in the pharynx and esophagus to estimate, respectively, the upper airway resistance, and the work of breathing (calculated as the time integral of the inspiratory press

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Postma, DS, I. Peters, EJ Steenhuis, and HJ Sluiter. "Moderately severe chronic airflow obstruction. Can corticosteroids slow down obstruction?" European Respiratory Journal 1, no. 1 (1988): 22–26. http://dx.doi.org/10.1183/09031936.93.01010022.

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In a former study in patients with severe chronic airflow obstruction (CAO), (forced expiratory volume in one second (FEV1) ranging from 350-910 ml), we concluded that daily oral corticosteroids might slow down the progression of disease. The results of the present long-term (14-20 yr) study on 139 non-allergic patients with less severe CAO (FEV1 greater than or equal to 1200 ml, FEV1 as a percentage of vital capacity (FEV1%VC) 40-55%) confirm and extend our former observations. Four patterns of the course of FEV1 and inspiratory vital capacity (VC) in time were recognized: 1) linear decrease;

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Zabczyk, Michal, Joanna Natorska, and Anetta Undas. "Erythrocyte compression index is impaired in patients with residual vein obstruction." Journal of Thrombosis and Thrombolysis 46, no. 1 (2018): 31–38. http://dx.doi.org/10.1007/s11239-018-1650-1.

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Isaiah, Amal, Edgar Kiss, Patrick Olomu, Korgun Koral, and Ron B. Mitchell. "Characterization of upper airway obstruction using cine MRI in children with residual obstructive sleep apnea after adenotonsillectomy." Sleep Medicine 50 (October 2018): 79–86. http://dx.doi.org/10.1016/j.sleep.2017.10.006.

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Núñez-Fernández, David, and Jan Vokurka. "Surgical Treatment of Anterior Septal Deviations." Acta Medica (Hradec Kralove, Czech Republic) 41, no. 3 (1998): 141–44. http://dx.doi.org/10.14712/18059694.2019.179.

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Anterior septal deviations are very difficult to handle because their location causes valvular obstruction, and any small residual deviation can cause a high degree of obstruction. The commonly performed submucous resection is not a suitable technique to handle this deformity. The maxilla-premaxilla technique offers a better approach. The surgical technique for anterior septal deviation differs from the standard septoplasty in several steps. A modified technique to treat this particular pathology is described in detail. This technique is highly reliable, and simplifies the access to a difficul

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Kadiyani, Lamk, Saurabh Kumar Gupta, and Sivasubramaniam Ramakrishnan. "Interventional management of an unusual cause of cyanosis in repaired tetralogy of Fallot." Annals of Pediatric Cardiology 17, no. 3 (2024): 217–20. http://dx.doi.org/10.4103/apc.apc_80_24.

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ABSTRACT Arterial desaturation following surgical repair of tetralogy of Fallot (TOF) is rare. In most instances, it results from residual right ventricular outflow tract obstruction, causing right-to-left shunt across residual interatrial or interventricular communication. In this report, we present an unusual scenario of arterial desaturation due to a recanalized left cardinal vein in a child with repaired TOF. We also discuss stepwise evaluation that led to successful identification and occlusion of the abnormal venous channel by percutaneous device closure.

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Researcher. "INNOVATIONS IN NEUROMUSCULAR BLOCKADE MONITORING TECHNIQUES AND THEIR INFLUENCE ON REDUCING RESIDUAL PARALYSIS, ENHANCING PATIENT SAFETY, AND IMPROVING ANESTHETIC EFFICIENCY." International Journal of Anaesthesiology (IJOA) 3, no. 1 (2025): 1–7. https://doi.org/10.5281/zenodo.14794041.

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Neuromuscular blockade (NMB) is a critical component of modern anesthesia, facilitating surgical procedures by inducing muscle relaxation. However, residual neuromuscular blockade (rNMB) can lead to post-operative complications such as hypoxia, airway obstruction, and increased mortality rates. Recent innovations in neuromuscular monitoring techniques have significantly improved the precision of NMB assessment, reducing residual paralysis, enhancing patient safety, and optimizing anesthetic efficiency. This paper explores the latest advancements in NMB monitoring, highlighting their impact on

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Nitayavardhanam, Prompak, and Teerapong Tocharoenchok. "Predictive Value of Right Ventricular Pressure Measurement for Residual Pulmonary Stenosis in Tetralogy Repair." Siriraj Medical Journal 74, no. 4 (2022): 225–32. http://dx.doi.org/10.33192/smj.2022.28.

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Objective: The long-term outcome of tetralogy of Fallot repair depends on an adequate relief of right ventricular outflow tract obstruction and preservation of the pulmonary valve function. Since intraoperative transesophageal echocardiography is not routinely performed in small patients, we postulated that the post-bypass right ventricular pressure measured intraoperatively could predict residual pulmonary stenosis when evaluated by transthoracic echocardiography.Materials and Methods: Of the 187 patients who underwent tetralogy repair between 2012 and 2019 at Siriraj Hospital, Thailand, 95 w

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Dolubha, Jilubha Sisodiya, and Ajaykumar Sureshbhai Chaudhari. "Role of Ultrasonography in Evaluating Prostate Obstruction using Prostate Size and Post Void Residual Urine Volume: A Study from Western India." International Journal of Pharmaceutical and Clinical Research 15, no. 6 (2023): 1793–96. https://doi.org/10.5281/zenodo.12516632.

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<strong>Background: </strong>Benign prostatic hyperplasia (BPH) is one of the primary causes of morbidity in older adults. Without timely intervention, the risk of developing urinary obstruction is 2.5% higher in men with BPH. Prostate size or volume and reduced urinary flow rate are significant predictors of prostate obstruction and can be visualized on a real-time basis using ultrasonography (USG). <strong>Aims and Objectives: </strong>To evaluate the relationship between prostate volumes (PV) and post-void residual volume (PVRV) to predict the degree of obstruction. <str

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Ammirati, Enrico, Alberto Manassero, Alessandro Giammò, Francesco Marson, Alberto Gurioli, and Roberto Carone. "Female Primary Bladder Neck Obstruction: Role of Videourodynamics and Treatment Options in a Rare Clinical Entity." Urologia Journal 84, no. 2 (2016): 109–12. http://dx.doi.org/10.5301/uro.5000203.

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Introduction Primary female bladder neck obstruction is a rare clinical condition characterized by the absence/incomplete bladder neck opening during the voiding phase of micturition. Methods We present the cases of two women complaining dysuria, abdominal straining and sensation of incomplete bladder emptying. Videourodynamic evaluation was fundamental for a correct diagnosis. Results Videourodynamic evaluation showed a high detrusor pressure during emptying phase, partial use of abdominal strain, very low urine flow rate and significant postvoid residual; imaging showed a defect in the physi

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., Yasrab, Muhammad Nauman Iqbal, Qurat-Ul-Ain Khan, Hafiz Muhammad Asim Mushtaq, Syeda Samina Asad, and Aftab Ahmed. "Analysis of use of Percutaneous Nephrostomy and Ureteral Stenting in Management of Ureteral Obstruction." Pakistan Journal of Medical and Health Sciences 16, no. 5 (2022): 479–81. http://dx.doi.org/10.53350/pjmhs22165479.

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Introduction: Urinary diversion is one of the ways to manage ureteral obstructions and is commonly performed in our daily practice when the underlying condition of ureteral obstruction cannot be eliminated in a short period. Ureteral obstructions can be a consequence of malignancies or benign diseases. Aims and objectives: The basic aim of the study is to analyze the use of percutaneous nephrostomy and ureteral stenting in management of ureteral obstruction. Methodology of the study: This cross sectional study was conducted at Department of Urology, Shaikh Zayid Hospital Lahore during October

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Biselli, Paolo, Peter R. Grossman, Jason P. Kirkness, et al. "The effect of increased lung volume in chronic obstructive pulmonary disease on upper airway obstruction during sleep." Journal of Applied Physiology 119, no. 3 (2015): 266–71. http://dx.doi.org/10.1152/japplphysiol.00455.2014.

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Patients with chronic obstructive pulmonary disease (COPD) exhibit increases in lung volume due to expiratory airflow limitation. Increases in lung volumes may affect upper airway patency and compensatory responses to inspiratory flow limitation (IFL) during sleep. We hypothesized that COPD patients have less collapsible airways inversely proportional to their lung volumes, and that the presence of expiratory airflow limitation limits duty cycle responses to defend ventilation in the presence of IFL. We enrolled 18 COPD patients and 18 controls, matched by age, body mass index, sex, and obstru

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AFŞAR, Hamit, and M. Metin BAYRAM. "Ultrasonic Assessment of Residual Urine Volume." European Journal of Therapeutics 2, no. 2 (1991): 131–35. http://dx.doi.org/10.58600/eurjther.19910202-525.

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The assessment of residual urine forms an essential part of the investigation of many urological patients, particularly those with suspected urinary outflow obstruction; the presence of residual urine may influence their management. Generally, it is necessary to measure the volume of residual urine to assess bladder function. The advantages of establishing a simple non-invasive method to measure bladder volume have long been recognized. Various methods of assessing residual urinary volumes exist, including abdominal palpation, the use of postvoiding films from excretory urography and excretion

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Lopata, M., E. Onal, and G. Cromydas. "Respiratory load compensation in chronic airway obstruction." Journal of Applied Physiology 59, no. 6 (1985): 1947–54. http://dx.doi.org/10.1152/jappl.1985.59.6.1947.

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To assess respiratory neuromuscular function and load compensating ability in patients with chronic airway obstruction (CAO), we studied eight stable patients with irreversible airway obstruction during hyperoxic CO2 rebreathing with and without a 17 cmH2O X l-1 X s flow-resistive inspiratory load (IRL). Minute ventilation (VE), transdiaphragmatic pressure (Pdi), and diaphragmatic electromyogram (EMGdi) were monitored. Pdi and EMGdi were obtained via a single gastroesophageal catheter with EMGdi being quantitated as the average rate of rise of inspiratory (moving average) activity. Based on th

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