Journal articles: 'Mechanical trauma'

1

Kirkness, Colin M. "Mechanical ocular trauma." Current Opinion in Ophthalmology 4, no. 4 (August 1993): 106–11. http://dx.doi.org/10.1097/00055735-199308000-00016.

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Guthoff, Rudolf F., and Ria Beck. "Mechanical ocular trauma." Current Opinion in Ophthalmology 5, no. 4 (August 1994): 105–9. http://dx.doi.org/10.1097/00055735-199408000-00015.

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Wagner, Peter J., and Gerhard K. Lang. "Mechanical ocular trauma." Current Opinion in Ophthalmology 7, no. 4 (August 1996): 57–64. http://dx.doi.org/10.1097/00055735-199608000-00011.

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Black, Anne Kobza. "Mechanical trauma and urticaria." American Journal of Industrial Medicine 8, no. 4-5 (1985): 297–303. http://dx.doi.org/10.1002/ajim.4700080408.

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Papadakos, Peter J., Marcin Karcz, and Burkhard Lachmann. "Mechanical ventilation in trauma." Current Opinion in Anaesthesiology 23, no. 2 (April 2010): 228–32. http://dx.doi.org/10.1097/aco.0b013e328336ea6e.

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Huynh, Hieu, Gregory Siroky, Devendra Bisht, Patrick Lam, Asad Mohammad, and Davendra Mehta. "Partial Fracture of a Subcutaneous ICD Lead from Mechanical Trauma." Clinical Cardiology and Cardiovascular Interventions 3, no. 6 (June 30, 2020): 01–04. http://dx.doi.org/10.31579/2641-0419/059.

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Transvenous implantable cardioverter-defibrillators (TV-ICD) have electrode failure rates as high as 20% over a 10 year followup with 12% as a result of lead fractures. [1] The development of the Boston Scientific subcutaneous ICD (S-ICD) promoted the benefit of significantly reduced post-implant complication rates. [4] We present the first reported case of a S-ICD electrode failure secondary to partial fracture as a result of mechanical trauma.

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EREMIA, SORIN. "The Minimal Mechanical Trauma Technique." Dermatologic Surgery 23, no. 12 (December 1997): 1224. http://dx.doi.org/10.1111/j.1524-4725.1997.tb00485.x.

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Benita, Katharina Ratri, Hendrian Dwikoloso Soebagjo, and Siprianus Ugroseno Yudho Bintoro. "THE RELATIONSHIP OF MECHANICAL OCULAR TRAUMA AND THE BEST-CORRECTED VISUAL ACUITY RESULTS IN DR. SOETOMO GENERAL ACADEMIC HOSPITAL, SURABAYA, INDONESIA." Majalah Biomorfologi 31, no. 1 (January 29, 2021): 24. http://dx.doi.org/10.20473/mbiom.v31i1.2021.24-30.

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Background: Ocular trauma is an accident caused by a foreign object that affects the eye tissue. Ocular trauma can cause pain and a decrease in the person’s best-corrected visual acuity. Mechanical ocular traumas can cause morphological and functional eye changes that are serious enough to cause blindness. Blindness is often used to describe a severe visual impairment with the remaining visual function. Objective: To determine and to analyze the relationship between mechanical ocular trauma and the best-corrected visual acuity of the patients of Dr. Soetomo General Academic Hospital, Surabaya, Indonesia in 2016-2018. Material and Method: This study was an analytic study with a cross-sectional design. The data were collected using the medical records of the patients of Dr. Soetomo General Academic Hospital, Surabaya, Indonesia in 2016-2018. The population of this study consists of all patients with pure mechanical ocular trauma with a total of 198 subjects. Results: Fisher exact test results showed a value of p=0.054, showing that there was no significant relationship between the best-corrected visual acuity and mechanical ocular trauma. Conclusion: No significant relationship was present between mechanical ocular trauma and the best-corrected visual acuity (BCVA) based on the medical record of patients with ocular trauma in Dr. Soetomo General Academic Hospital, Surabaya, Indonesia, Surabaya, in 2016–2018. Most of the patients had BCVA 6/24 - 2 meter counting finger.

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Benita, Katharina Ratri, Hendrian Dwikoloso Soebagjo, and Siprianus Ugroseno Yudho Bintoro. "THE RELATIONSHIP OF MECHANICAL OCULAR TRAUMA TO THE BEST-CORRECTED VISUAL ACUITY RESULTS IN DR SOETOMO GENERAL HOSPITAL SURABAYA." Majalah Biomorfologi 31, no. 1 (January 29, 2021): 27. http://dx.doi.org/10.20473/mbiom.v31i1.2021.27-33.

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Background: Ocular trauma is an accident caused by a foreign object that affects the eye tissue. Ocular trauma can cause pain and a decrease in the person’s best-corrected visual acuity. Mechanical ocular traumas can cause morphological and functional eye changes that are serious enough to cause blindness. Blindness is often used to describe a severe visual impairment with the remaining visual function. Objective: To determine and to analyze the relationship between mechanical ocular trauma and the best-corrected visual acuity of Dr. Soetomo General Hospital patients in 2016-2018. Material and Method: This study was an analytic study with a cross-sectional design. The data was collected using the medical records of Dr. Soetomo General Hospital patients in 2016-2018. The population of this study consists of all patients with pure mechanical ocular trauma with a total of 198 subjects. Results: Fisher exact test results showed a value of p=0.054 which means there is no significant relationship between the best-corrected visual acuity with mechanical ocular trauma. Conclusion: The results of this study showed that there is no significant relationship between mechanical ocular trauma and the best-corrected visual acuity (BCVA) based on the medical record of patients with ocular trauma in Dr. Soetomo General Hospital Surabaya in 2016–2018, on the most results with patients who have BCVA 6/24 - 2 meter finger count.

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Manson-Hing, Lincoln R. "X-ray evidence of mechanical trauma." Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology 100, no. 2 (August 2005): S67—S74. http://dx.doi.org/10.1016/j.tripleo.2005.05.001.

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Garrido, Jose M., María Esteban, and Salvador López-Checa. "Cardiothoracic trauma with a mechanical saw." Asian Cardiovascular and Thoracic Annals 20, no. 5 (October 2012): 612. http://dx.doi.org/10.1177/0218492311435922.

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Adams, Robert M. "Effects of mechanical trauma on nails." American Journal of Industrial Medicine 8, no. 4-5 (1985): 273–80. http://dx.doi.org/10.1002/ajim.4700080405.

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Özçete, Enver, Selahattin Kiyan, İlhan Uz, Meltem Songür Kodik, and Yusuf Ali Altuncı. "The role of whole-body computed tomography in determining risky patient group with regard to polytrauma patients in the emergency department." Hong Kong Journal of Emergency Medicine 25, no. 3 (February 14, 2018): 123–29. http://dx.doi.org/10.1177/1024907918755174.

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Backround: High rates in trauma-related mortality pose a major health problem and increase every day. Early diagnosis and treatment can be lifesavers for this patient group in the emergency departments, which serve as the first place to admit trauma patients in a hospital. Objectives: We aim to determine high-risk criteria to indicate trauma patients getting the most use from whole-body tomography in patients with multiple traumas and reduce unnecessary computed tomography. Methods: We examined retrospectively all electronic files and computed tomography results of patients, who had been admitted to emergency department due to trauma, and who had undergone whole-body computed tomography. Results: We found that possibility of multiple injuries increased by 5.9 times in patients requiring mechanical ventilation. Possibility of multiple injuries in patients with free fluid in the Focused Assessment with Sonography for Trauma increased by 5.6 times. We also observed that possibility of multiple injuries in patients with Glasgow Coma Score < 13 increased by 4.3 times. Possibility of multiple injuries in hypoxic patients increased by 3.2 times. Possibility of multiple injuries in patients with a pulse ≥ 120/min increased by 1.8 times. Possibility of multiple injuries in patients with shock index ≥ 0.9 increased by 1.7 times. Conclusion: High-risk group in terms of multiple traumas involves mechanical ventilation need in trauma patients, positive Focused Assessment with Sonography for Trauma, Glasgow Coma Score being under 13, hypoxia, tachycardia, positive shock index, and extravehicular traffic accidents. Whole-body computed tomography should be performed in this patient group.

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van Stolk-Cooke, Katherine, Andrew Brown, Anne Maheux, Justin Parent, Rex Forehand, and Matthew Price. "Crowdsourcing Trauma: Psychopathology in a Trauma-Exposed Sample Recruited via Mechanical Turk." Journal of Traumatic Stress 31, no. 4 (July 19, 2018): 549–57. http://dx.doi.org/10.1002/jts.22303.

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St. Pierre-Hetz, Ryan, Kimberly Ackerman, Christian P. Dresser, Jane Anne Yaworski, Angelica Cercone, Jeffrey Rudolph, Stephen R. Wisniewski, and Mioara D. Manole. "Novel Central Line Securement Vest to Prevent Mechanical Complications of Tunneled Central Lines: Experience from a Cohort of Pediatric Patients with Intestinal Failure." Journal of the Association for Vascular Access 27, no. 1 (March 1, 2022): 28–34. http://dx.doi.org/10.2309/java-d-21-00028.

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Highlights Abstract Background: Tunneled central lines are used to deliver medications, hydration, and total parenteral nutrition. The current modality for their securement is by a transparent sterile adhesive. Mechanical line traumas, including line fissures, breaks and dislodgements, occur frequently in children. A novel device, the Central Line Securement Vest, was created to protect central lines from mechanical trauma. Objective: We present here our experience with the device and report its use in patients with intestinal failure treated at our institution. Methods: All patients who have used the Central Line Securement Vest at our institution during the last decade were identified. We reviewed the patients’ electronic records and compared the rate of line mechanical trauma, line infections, line replacements, Emergency Department (ED) visits, and hospital admissions for a period of 12 months before and after the use of the device. Results: Ten patients were identified. Four patients had purchased the device at the time of line insertion. Six patients had a period of time of line use before beginning use of the device. The rate of line traumas and infections decreased after using the device: 0.19 ± 0.15 vs 0.05 ± 0.04 trauma/month, pre– vs post–device use, P < 0.05. Similarly, the rate of line infections decreased post–device use: 0.18 ± 0.13 vs 0.09 ± 0.06 infections/month, pre– vs post–device use, P < 0.05. The rate of line replacements, ED visits, and hospital admissions were similar pre– and post–device use. Conclusion: We report here our institution’s experience with a novel central line securement device designed to protect the line from mechanical trauma.

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Biffl, Walter L., Anthony Ferkich, Susan E. Biffl, and Tala Dandan. "Syncope, “mechanical falls”, and the trauma surgeon." Journal of Trauma and Acute Care Surgery 89, no. 3 (May 28, 2020): e64-e68. http://dx.doi.org/10.1097/ta.0000000000002812.

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Rico, Ferdinand R., Julius D. Cheng, Mark L. Gestring, and Edward S. Piotrowski. "Mechanical Ventilation Strategies in Massive Chest Trauma." Critical Care Clinics 23, no. 2 (April 2007): 299–315. http://dx.doi.org/10.1016/j.ccc.2006.12.007.

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D’Errico, Cristiano, Manuela Sellini, Tullio Cafiero, Giovanni Marco Romano, and Antonio Frangiosa. "Successful weaning from mechanical ventilation after Serratus Anterior Plane block in a chest trauma patient." Scandinavian Journal of Pain 22, no. 2 (October 14, 2021): 417–20. http://dx.doi.org/10.1515/sjpain-2021-0134.

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Abstract Objectives Chest trauma is associated with severe pain, which can hamper normal breathing. Serratus Anterior Plane block (SAPB) is a novel technique, which provides analgesia for chest wall surgery. We describe an interesting clinical case about the use of SAPB to improve pain and pulmonary function in a patient with severe chest trauma. Case presentation We report the pain management and the clinical evolution of a patient in ICU, with a severe chest trauma, after performing the SAPB. Following the SAPB, the patient had a reduction in pain intensity and an improvement in both respiratory mechanics and blood gas analysis allowing a weaning from mechanical ventilator. Conclusions Pain control greatly affects mortality and morbidity in patients with chest trauma. SAPB seems to be safer and equally effective in pain control compared to epidural analgesia in patients with chest trauma.

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Tsvelev, U. V., and S. V. Divin. "Trauma in pregnancy." Journal of obstetrics and women's diseases 49, no. 1 (February 15, 2000): 63–70. http://dx.doi.org/10.17816/jowd88972.

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There is still a problem in modern obstetrics - traumatic injuries during pregnancy- that plays the leading role in perinatal mortality and maternal lethality. In the given review the historical data and modem presentation about the diagnostics and treatment peculiarities in mechanical trauma during pregnancy are concerned.

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Rao, Rashad Qamar, Wamiq Mehmood, Ahmad Hassan, Waseem Sajjad, Noor Fatima, and Wamiq Mehmood. "Different Patterns of Ocular Trauma Presentation in Nishtar Hospital Multan." Pakistan Journal of Medical and Health Sciences 16, no. 1 (January 30, 2022): 1236–38. http://dx.doi.org/10.53350/pjmhs221611236.

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Objective: The objective of this study was to determine the frequency of ocular trauma among gender and different age groups. And to determine various causative factors and the impact of trauma on ocular structures and visual acuity. Methods: This cross-sectional study was carried out in Ophthalmology department of Nishtar Medical University and Hospital, Multan, Pakistan from May 2021 to August 2021. Data were collected from 142 patients. A questionnaire was devised. Data were analyzed using SPSS V26. Results: Out of 142 patients that were admitted in Ophthalmology ward, 36 (25.40%) were female patients and 106 (74.60%) were male patients with mean age of 15.9 years with standard deviation of 14.5. There was no statistically significant difference between male and female patients (p value=0.2). Cornea was most commonly injured structure and mechanical factors were the most common cause of ocular trauma. Out of 142 patients, 4 (2.80%) got just medical management and 138 (97.20%) patients required surgical intervention while they were also given topical and oral antibiotics and anti-inflammatory drugs. Conclusion: Ocular Trauma is most prevalent among children. Males were affected more than females. The cornea was the most commonly affected structure. Ocular Trauma is one of the leading causes of monocular blindness. Most of the ocular traumas were due to some mechanical factors. Keywords: Ocular Trauma, Multan, Nishtar Hospital, South Punjab

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KESIEME, E. B., E. F. OCHELI, C. N. KESIEME, and C. P. Kaduru. "THORACIC TRAUMA." Professional Medical Journal 18, no. 03 (September 10, 2011): 373–79. http://dx.doi.org/10.29309/tpmj/2011.18.03.2317.

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Objective: To assess the pattern of thoracic trauma in two semi urban university hospitals in Nigeria, to determine the injuries associated with thoracic trauma, its management and outcome in a setting of small thoracic units and limited intensive care unit facilities. Study Design: Observational Method: The hospital records of 142 patients who sustained thoracic trauma between September 2007 and September 2010 were reviewed. The mode of injury, specific intrathoracic trauma, associated injuries, management and outcome were analyzed. Results: Eighty-two percent (82%) of patients were males and 73% of patients were above 40 years. Blunt thoracic trauma accounted for 77% of thoracic injuries. Road Traffic Accident (RTA) was the commonest cause of Blunt Chest Trauma (90%) while Gunshot injuries constituted the commonest cause of Penetrating Chest Trauma (73%). The commonest specific thoracic injuries were Rib fractures and Haemopneumothorax. Extremity injuries were the commonest associated extrathoracic injuries. Mechanical ventilatory assistance was indicated in 8.5% of patients. Only 1.4% of patients had delayed thoracotomy on account of clotted haemothorax and Empyema Thoracis. 2.8% of patients had Laparotomy for repair of Traumatic Diaphragmatic hernia. Others were managed conservatively. The mortality rate was 9.9%. Mortality was mainly among patients who required mechanical ventilatory support and those with associated severe extra thoracic injuries. Most of the patients were discharged before 20 days on admission. Conclusions: The incidence of chest trauma can be reduced by minimizing the frequency of road traffic accidents, abating violence and improving security. Most patients that sustain thoracic trauma can be managed conservatively. Mortality usually occurs in patients with associated severe extrathoracic trauma and those who require ventilatory support. Improving Intensive care unit facilities and training more trauma/thoracic surgeons and intensivists in the developing countries will help to reduce the mortality rate of chest trauma.

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Wang, Jun A., Wei Lin, Terence Morris, Umberto Banderali, Peter F. Juranka, and Catherine E. Morris. "Membrane trauma and Na+ leak from Nav1.6 channels." American Journal of Physiology-Cell Physiology 297, no. 4 (October 2009): C823—C834. http://dx.doi.org/10.1152/ajpcell.00505.2008.

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During brain trauma, white matter experiences shear and stretch forces that, without severing axons, nevertheless trigger their secondary degeneration. In central nervous system (CNS) trauma models, voltage-gated sodium channel (Nav) blockers are neuroprotective. This, plus the rapid tetrodotoxin-sensitive Ca2+ overload of stretch-traumatized axons, points to “leaky” Nav channels as a pivotal early lesion in brain trauma. Direct effects of mechanical trauma on neuronal Nav channels have not, however, been tested. Here, we monitor immediate responses of recombinant neuronal Nav channels to stretch, using patch-clamp and Na+-dye approaches. Trauma constituted either bleb-inducing aspiration of cell-attached oocyte patches or abrupt uniaxial stretch of cells on an extensible substrate. Nav1.6 channel transient current displayed irreversible hyperpolarizing shifts of steady-state inactivation [availability(V)] and of activation [ g(V)] and, thus, of window current. Left shift increased progressively with trauma intensity. For moderately intense patch trauma, a ∼20-mV hyperpolarizing shift was registered. Nav1.6 voltage sensors evidently see lower energy barriers posttrauma, probably because of the different bilayer mechanics of blebbed versus intact membrane. Na+ dye-loaded human embryonic kidney (HEK) cells stably transfected with αNav1.6 were subjected to traumatic brain injury-like stretch. Cytoplasmic Na+ levels abruptly increased and the trauma-induced influx had a significant tetrodotoxin-sensitive component. Nav1.6 channel responses to cell and membrane trauma are therefore consistent with the hypothesis that mechanically induced Nav channel leak is a primary lesion in traumatic brain injury. Nav1.6 is the CNS node of Ranvier Nav isoform. When, during head trauma, nodes experienced bleb-inducing membrane damage of varying intensities, nodal Nav1.6 channels should immediately “leak” over a broadly left-smeared window current range.

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Giridharan, Guruprasad A., Michael A. Sobieski, Mickey Ising, Mark S. Slaughter, and Steven C. Koenig. "Blood Trauma Testing For Mechanical Circulatory Support Devices." Biomedical Instrumentation & Technology 45, no. 4 (July 1, 2011): 334–39. http://dx.doi.org/10.2345/0899-8205-45.4.334.

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Abstract Preclinical hemolysis testing is a critical requirement toward demonstrating device safety for U.S. Food and Drug Administration (FDA) 510(k) approval of mechanical circulatory support devices (MCSD). FDA and ASTM (formerly known as the American Society for Testing and Materials) have published guidelines to assist industry with developing study protocols. However, there can be significant variability in experimental procedures, study design, and reporting of data that makes comparison of test and predicate devices a challenge. To overcome these limitations, we present a hemolysis testing protocol developed to enable standardization of hemolysis testing while adhering to FDA and ASTM guidelines. Static mock flow loops primed with fresh bovine blood (600 mL, Hematocrit = 27±5%, heparin titrated for ACT >300 sec) from a single-source donor were created as a platform for investigating test and predicate devices. MCSD differential pressure and temperature were maintained at 80 mmHg and 25°±2° C. Blood samples (3 ml) were collected at 0, 5, 90, 180, 270, 360 minutes to measure CBC and plasma free hemoglobin. This protocol led to 510(k) approval of two adult MCSD and has been used to test novel cannulae and a pediatric MCSD. Standardization of hemolysis testing procedures and transparency of results may enable better blood trauma characterization of MCS devices to facilitate the FDA 510(k) and PMA submission processes and improve clinical outcomes.

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Brown, Carlos V. R., Kelli Hejl, Amy D. Mandaville, Paul E. Chaney, Guy Stevenson, and Charlotte Smith. "Swallowing dysfunction after mechanical ventilation in trauma patients." Journal of Critical Care 26, no. 1 (February 2011): 108.e9–108.e13. http://dx.doi.org/10.1016/j.jcrc.2010.05.036.

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Goldman, Stanford M., Carl M. Sandler, Joseph N. Corriere, and Edward J. McGuire. "Blunt Urethral Trauma: A Unified, Anatomical Mechanical Classification." Journal of Urology 157, no. 1 (January 1997): 85–89. http://dx.doi.org/10.1016/s0022-5347(01)65291-1.

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Teng, Dayu, Jeffrey Scott Pannell, Robert C. Rennert, Jieying Li, Yi-Shuan Li, Victor W. Wong, Shu Chien, and Alexander A. Khalessi. "Endothelial Trauma From Mechanical Thrombectomy in Acute Stroke." Stroke 46, no. 4 (April 2015): 1099–106. http://dx.doi.org/10.1161/strokeaha.114.007494.

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NILSSON, SVEN ERIK G., PER LÖVSUND, and P. ÅKE ÖBERG. "CONTACT LENSES AND MECHANICAL TRAUMA TO THE EYE." Acta Ophthalmologica 59, no. 3 (May 27, 2009): 402–8. http://dx.doi.org/10.1111/j.1755-3768.1981.tb03005.x.

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Samitz, M. H. "Repeated mechanical trauma to the skin: Occupational aspects." American Journal of Industrial Medicine 8, no. 4-5 (1985): 265–71. http://dx.doi.org/10.1002/ajim.4700080404.

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Maibach, Howard I. "Mechanical trauma as a factor in skin infections." American Journal of Industrial Medicine 8, no. 4-5 (1985): 502. http://dx.doi.org/10.1002/ajim.4700080437.

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Hendricks, Benjamin K., and Riyi Shi. "Mechanisms of neuronal membrane sealing following mechanical trauma." Neuroscience Bulletin 30, no. 4 (July 4, 2014): 627–44. http://dx.doi.org/10.1007/s12264-013-1446-4.

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D???Lima, Darryl D., Sanshiro Hashimoto, Peter C. Chen, Clifford W. Colwell, and Martin K. Lotz. "Impact of Mechanical Trauma on Matrix and Cells." Clinical Orthopaedics and Related Research 391 (October 2001): S90—S99. http://dx.doi.org/10.1097/00003086-200110001-00009.

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Kuhn, Ferenc. "The Timing of Reconstruction in Severe Mechanical Trauma." Ophthalmic Research 51, no. 2 (November 27, 2013): 67–72. http://dx.doi.org/10.1159/000351635.

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Ritzmann, Karen E., B. Ralph Chou, and Anthony P. Cullen. "Ocular protection by contact lenses from mechanical trauma." International Contact Lens Clinic 19, no. 7-8 (July 1992): 162–66. http://dx.doi.org/10.1016/0892-8967(92)90017-8.

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Eghwrudjakpor, Patrick O., Hirohisa Miyake, Masahiro Kurisaka, and Koreaki Mori. "Central nervous system bioaminergic responses to mechanical trauma." Surgical Neurology 35, no. 4 (April 1991): 273–79. http://dx.doi.org/10.1016/0090-3019(91)90004-s.

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Li, Xintao, Tingting Cao, Shuo Ma, Zehao Jing, Yue Bi, Jicheng Zhou, Chong Chen, Deqin Yu, Liang Zhu, and Shuzhuang Li. "Curcumin ameliorates cardiac dysfunction induced by mechanical trauma." European Journal of Pharmacology 814 (November 2017): 73–80. http://dx.doi.org/10.1016/j.ejphar.2017.07.048.

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Neal-Sturgess, C. E. "A thermomechanical theory of impact trauma." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 216, no. 11 (November 1, 2002): 883–95. http://dx.doi.org/10.1243/095440702321031432.

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A review of injuries in impact trauma reveals a plethora of ‘injury criteria’, many of which are enshrined in legislation. It is assumed here that injuries can be modelled as mechanical dissipative processes, and the formalism of continuum damage mechanics based on irreversible thermodynamics is applied to impact trauma. It is shown that peak virtual power (PVP) predicts the severity of injury, measured on the abbreviated injury scale, in around 90 per cent of cases for all types of injury to all body regions (brain, skull, thorax, spine, upper and lower extremities) for car occupants from the CCIS and NASS-CDC databases. Consideration of injury to body regions shows that PVP predicts the form of acceleration-based criteria, the head injury criterion and the viscous criterion. It is shown that in general the lower bound of severity of injury is proportional to δ V3 or (ETS)3, where ETS is equivalent test speed, for restrained vehicle occupants, and the upper bound proportional to δ V2 or (ETS)2 for unrestrained occupants. It is concluded that PVP is a suitable candidate for an objective universal injury criterion which can be correlated to real-world injury experience.

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Lindsay, Angus, Gregory Baxter-Parker, and Steven P. Gieseg. "Pterins as Diagnostic Markers of Mechanical and Impact-Induced Trauma: A Systematic Review." Journal of Clinical Medicine 8, no. 9 (September 3, 2019): 1383. http://dx.doi.org/10.3390/jcm8091383.

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We performed a systematic review of the literature to evaluate pterins as biomarkers of mechanical and impact-induced trauma. MEDLINE and Scopus were searched in March 2019. We included in vivo human studies that measured a pterin in response to mechanical or impact-induced trauma with no underlying prior disease or complication. We included 40 studies with a total of 3829 subjects. Seventy-seven percent of studies measured a significant increase in a pterin, primarily neopterin or total neopterin (neopterin + 7,8-dihydroneopterin). Fifty-one percent of studies measured an increase within 24 h or trauma, while 46% measured increases beyond 48 h. Pterins also showed promise as predictors of post-trauma complications such as sepsis, multi-organ failure and mortality. Exercise-induced trauma and traumatic brain injury caused an immediate increase in neopterin or total neopterin, while patients of multiple trauma had elevated pterin levels that remained above baseline for several days. Pterin concentration changes in response to surgery were variable with patients undergoing cardiac surgery having immediate and sustained pterin increases, while hysterectomy, liver resection or hysterectomy showed no change. This review provides systematic evidence that pterins, in particular neopterin and total neopterin, increase in response to multiple forms of mechanical or impact-induced trauma.

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Engoren, Milo, and Cynthia Arslanian-Engoren. "Hospital and Long-Term Outcome of Trauma Patients with Tracheostomy for Respiratory Failure." American Surgeon 71, no. 2 (February 2005): 123–27. http://dx.doi.org/10.1177/000313480507100206.

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Studies of tracheostomy for respiratory failure have suggested a poor prognosis, however, trauma patients may have a better outcome. Data from 113 trauma patients were retrospectively analyzed for comorbidities, laboratory values, and hospital course. Long-term survival was determined from the Social Security Death Index. Trauma patients were young, overwhelmingly male, relatively healthy, and frequently uninsured. Seventy-five per cent of trauma patients were liberated from mechanical ventilation by hospital discharge. Timing of tracheostomy had no effect on days of mechanical ventilation or hospital length of stay. Hospital survival was 98 per cent, and 3-year Kaplan-Meier survival was 80 per cent. Older age and higher admission creatinine levels were predictive of late death. Trauma patients who undergo tracheostomy are likely to survive and be liberated from mechanical ventilation.

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Patrick, J. F., and J. C. MacFarlane. "Characterization of Mechanical Properties of Single Electrodes and Multielectrodes." Annals of Otology, Rhinology & Laryngology 96, no. 1_suppl (January 1987): 46–48. http://dx.doi.org/10.1177/00034894870960s121.

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Over recent years there has been increasing awareness of the potential damage to the fragile structures of the cochlea that could be caused by the insertion of intracochlear electrodes. Temporal bone histologic studies from chronically implanted human patients have shown that intracochlear electrodes can cause significant insertion trauma. This paper describes how the mechanical properties of the electrode array can influence insertion trauma, and compares the properties of solid wire electrodes with those of a tapered electrode array. The maximum force that can be applied by the tip of the solid wire electrode is 25 times what can be applied by the tapered electrode array, whereas the tapered array is ten times more flexible. These differences in mechanical properties suggest that evidence for insertion trauma should be assessed on an electrode-by-electrode basis.

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Zdorovtsov, Dmitry R., Sergey V. Churashov, Aleksey N. Kulikov, and Aleksey A. Kolbin. "Modeling of mechanical eye injury. Relevance. Background." Russian Military Medical Academy Reports 40, no. 1 (May 17, 2021): 91–96. http://dx.doi.org/10.17816/rmmar64493.

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The share of eye injuries in Russia is from 3 to 8% of the total number of injuries in peacetime. Eye trauma is one of the three main causes of vision disability and accounts for 22.8%. In wartime, the mass admission of wounded with damage to the organ of vision requires prompt decisions on their sorting, treatment, rehabilitation, dismissal, or return to duty. In peacetime, mechanical trauma to the eye is associated with the disability of the working population and large material costs. Considering the relevance of mechanical trauma to the eye, ophthalmologists around the world are constantly investigating the features of the pathogenetic mechanism, diagnosis, and treatment. Retrospective studies are based on the analysis of clinical cases, which are not always homogeneous. Experimental damage modeling has a long history. Attempts to simulate mechanical eye trauma have been made since the 40s of the XX century. Mathematical models are calculated based on known data: thickness, density, the elasticity of tissues, this makes it possible to predict the result of exposure to a wounding agent. Unfortunately, in these models, it is difficult to reproduce the entire complex of pathomorphological changes. The created models fulfilled the assigned tasks but had certain drawbacks. In each subsequent experiment, the reproducibility improved and the model approached the desired one as accurately as possible. Specialists of the Professor V.V. Volkov Ophthalmology Department S.M. Kirov Military Medical Academy since the 40s. are engaged in solving this problem. For the first time in an experiment, B.L. Pole proved that closure of eyeball wounds with corneal and scleral sutures has an advantage over conjunctival covering. B.V. Monakhov et al. created an installation for inflicting mine-explosive injury to the eye. In the experiment, M.M. Shishkin inflicted a combined eye injury by striking the sclera with a knife with a rectangular blade and firing an air rifle at the knife handle. B.A. Kanevsky et al. reproduced a D-type gunshot open eye injury shot from an air rifle with a multi-compression piston pump. The creation of models that reproduce the mechanical trauma of the eye made it possible to study it in an experiment, which improved the quality of diagnostics and reduced the proportion of disability in this pathology (bibliography: 24 refs).

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Shiber, Joseph, Ayesha Thomas, and Ashley Northcutt. "Communicating While Receiving Mechanical Ventilation: Texting With a Smartphone." American Journal of Critical Care 25, no. 2 (March 1, 2016): e38-e39. http://dx.doi.org/10.4037/ajcc2016695.

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Two young adults with severe facial injuries were receiving care in the trauma/surgical intensive care unit at a tertiary care, level I trauma center in the southeastern United States. Both patients were able to communicate by texting on their cellphones to family members, friends, and caregivers in the intensive care unit. Patients who are awake and already have experience texting with a smartphone or other electronic handheld device may be able to communicate well while receiving mechanical ventilation.

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Moeinipour, Aliasghar, Ahmadreza Zarifian, Mohammad Sobhan Sheikh Andalibi, Alireza Sepehri Shamloo, Ali Ahmadabadi, Ahmad Amouzeshi, and Hamid Hoseinikhah. "The Best Anticoagulation Therapy in Multiple-Trauma Patients with Mechanical Heart Valves: Evaluation of Latest Guidelines and Studies." Heart Surgery Forum 18, no. 6 (December 22, 2015): 271. http://dx.doi.org/10.1532/hsf.1348.

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Background: It is common practice for patients with prosthetic cardiac devices, especially heart valve prosthesis, arterial stents, defibrillators, and pacemaker devices, to use anticoagulation treatment. When these patients suffer from multiple trauma after motor vehicle accidents, the best medical management for this challenging position is mandatory. This strategy should include a rapid diagnosis of all possible multiple organ injuries, with special attention to anticoagulation therapy so as to minimize the risk of thromboembolism complication in prosthetic devices. In this review, we describe the best medical management for patients with multiple trauma who use anticoagulants after heart valve replacement. Methods: We searched electronic databases PubMed/Medline, Scopus, Embase, and Google Scholar using the following terms: anticoagulant, warfarin, heparin, and multiple trauma. Also, similar studies suggested by the databases were included. Non-English articles were excluded from the review. Results: For patients who use anticoagulation therapy, teamwork between cardiac surgeons, general surgeons, anesthesiologists, and cardiologists is essential. For optimal medical management, multiple consults between members of this team is mandatory for rapid diagnosis of all possible damaged organs, with special attention to the central nervous system, chest, and abdominal traumas. With this strategy, it is important to take note of anticoagulation drugs to minimize the risk of thromboembolism complications in cardiac devices. Conclusion: The best anticoagulant agents for emergency operations in patients with multiple trauma who are using an anticoagulant after heart valve replacement are fresh frozen plasma (FFP) and prothrombin complex concentrates (PCC).

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Cuevas, Silvia Elena Campusano, Adriana de Siqueira, Fernanda Auciello Salvagni, and Paulo César Maiorka. "Non-accidental injuries in cats – a study of 90 necropsies related to injuries caused by mechanical energy." Clínica Veterinária XXI, no. 121 (March 1, 2016): 80–87. http://dx.doi.org/10.46958/rcv.2016.xxi.n.121.p.80-87.

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The domestic cat is a target species in terms of cruel acts. Studies have shown that cats suffer from two main types of malicious acts: intentional poisoning by pesticides and traumatic lesions; the latter may be of accidental or non-accidental nature. The most frequently observed traumas in veterinary medicine are of mechanical order and can be caused by various instruments. Between 1998 and 2012, 90 victims of traumatic lesions were necropsied by the Animal Pathology Service of FMVZ-USP. Among these, 41.1% were female and 27.8% were male; gender information was not available for the remainder 31%. 67.8% of the animals were from blunt force trauma; in 36.7%, from stab wounds, in 3.3%, from incised-stab wounds and in 5.6% from other types of injuries. In recent years, the demand for animal necropsies with forensic purposes has increased, and careful examination of the trauma is key to elucidating cases concerning suspicion of animal abuse.

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Eskesen, Trine Grodum, Josefine Stokholm Baekgaard, Jacob Steinmetz, and Lars S. Rasmussen. "Initial use of supplementary oxygen for trauma patients: a systematic review." BMJ Open 8, no. 7 (July 2018): e020880. http://dx.doi.org/10.1136/bmjopen-2017-020880.

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ObjectiveThis systematic review aimed to identify and describe the evidence for supplementary oxygen for spontaneously breathing trauma patients, and for high (0.60–0.90) versus low (0.30–0.50) inspiratory oxygen fraction (FiO2) for intubated trauma patients in the initial phase of treatment.MethodsSeveral databases were systematically searched in September 2017 for studies fulfilling the following criteria: trauma patients (Population); supplementary oxygen/high FiO2(Intervention) versus no supplementary oxygen/low FiO2(Control) for spontaneously breathing or intubated trauma patients, respectively, in the initial phase of treatment; mortality, complications, days on mechanical ventilation and/or length of stay (LOS) in hospital/intensive care unit (ICU) (Outcomes); prospective interventional trials (Study design). Two independent reviewers screened and identified studies and extracted data from included studies.Results6142 citations were screened with an inter-rater reliability (Cohen’s kappa) of 0.88. One interventional trial of intubated trauma patients was included. 68 trauma patients were randomised to receive an FiO2of 0.80 (intervention group) or 0.50 (control group) during mechanical ventilation (first 6 hours). There was no significant difference in hospital or ICU LOS between the groups. No patient died in either group. Another interventional trial, not strictly fulfilling the inclusion criteria, was presented for descriptive purposes. 21 trauma patients were alternately assigned to two types of mechanical ventilation (first 48 hours), both aiming at an FiO2of 0.40, but resulted in estimated mean FiO2s of 0.45 (intervention group) and 0.60 (control group). No difference in days on mechanical ventilation was found. Two patients in the control group died, none in the intervention group. No prospective, interventional trials on spontaneously breathing trauma patients were identified.ConclusionsEvidence for the use of supplementary oxygen for spontaneously breathing trauma patients is lacking, and the evidence for low versus high FiO2for intubated trauma patients is limited.PROSPERO registration number42016050552

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Namazova, I. K. "Age - related changes orqan of vision and mechanical trauma." POINT OF VIEW. EAST – WEST, no. 4 (May 20, 2018): 81–83. http://dx.doi.org/10.25276/2410-1257-2018-4-81-83.

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Chandler, James H., Faisal Mushtaq, Benjamin Moxley-Wyles, Nicholas P. West, Gregory W. Taylor, and Peter R. Culmer. "Real-Time Assessment of Mechanical Tissue Trauma in Surgery." IEEE Transactions on Biomedical Engineering 64, no. 10 (October 2017): 2384–93. http://dx.doi.org/10.1109/tbme.2017.2664668.

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Janssens, L. A. A. "Mechanical and pathophysiological aspects of acute spinal cord trauma." Journal of Small Animal Practice 32, no. 11 (November 1991): 572–78. http://dx.doi.org/10.1111/j.1748-5827.1991.tb00889.x.

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Prado, Gustavo R., James D. Ross, Stephen P. DeWeerth, and Michelle C. LaPlaca. "Mechanical trauma induces immediate changes in neuronal network activity." Journal of Neural Engineering 2, no. 4 (November 29, 2005): 148–58. http://dx.doi.org/10.1088/1741-2560/2/4/011.

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Horton, Jureta W., D. Jean White, David Maass, Billy Sanders, Marita Thompson, and Brett Giroir. "Calcium Antagonists Improve Cardiac Mechanical Performance after Thermal Trauma." Journal of Surgical Research 87, no. 1 (November 1999): 39–50. http://dx.doi.org/10.1006/jsre.1999.5726.

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Ackerman, Bernard. "Histologic patterns associated with mechanical trauma to the skin." American Journal of Industrial Medicine 8, no. 4-5 (1985): 501. http://dx.doi.org/10.1002/ajim.4700080433.

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Journal articles on the topic 'Mechanical trauma'

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