نتایج جستجو برای: compressive injury

تعداد نتایج: 340363  

Journal: :trauma monthly 0
mohammad amin mohammadzadeh gharabaghi young researchers and elite club, tabriz branch, islamic azad university, tabriz, iran ali meshkini road traffic injury research center, tabriz university of medical sciences, tabriz, iran

introduction deep vein thrombosis is one of the most important complications in patients with spinal cord injury. this study compares the effects of mechanical prophylaxis with or without pharmacological prophylaxis on prevention of deep vein thrombosis in patients with spinal cord injury. materials and methods we conducted a double blind clinical trial study with 75 cases. these patients were ...

2014
Lauren Vernon Andre Abadin David Wilensky C.-Y. Charles Huang Lee Kaplan

BACKGROUND Acute cartilage injuries induce cell death and are associated with an increased incidence of osteoarthritis development later in life. The objective of this study was to investigate the effect of posttraumatic cyclic compressive loading on chondrocyte viability and apoptosis in porcine articular cartilage plugs. HYPOTHESIS Compressive loading of acutely injured cartilage can mainta...

Journal: :The American journal of sports medicine 2012
Simon J Wall David M Rose E Grant Sutter Stephen M Belkoff Barry P Boden

BACKGROUND Compressive and quadriceps forces have been associated with noncontact anterior cruciate ligament (ACL) injury. The purpose of this study was to quantify the relative importance of each load component during noncontact ACL injury. HYPOTHESIS We hypothesized that the introduction of a quadriceps force lowers the axial compressive force threshold to produce ACL injury. STUDY DESIGN...

Journal: :international clinical neurosciences journal 0
mohammad salehi cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran. department of biotechnology, school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran. saeed oraee-yazdani functional neurosurgery research center, shahid beheshti university of medical sciences, tehran, iran. stem cell biology department, stem cell technology research center, tehran, iran alireza zali functional neurosurgery research center, shahid beheshti university of medical sciences, tehran, iran. masoud soleimani hematology department, faculty of medical sciences, tarbiat modares university, tehran, iran

background: transplantation approaches are interventions currently available to apply to the devastating problem of spinal cord injury (sci). olfactory ensheathing cell (oec) and embryonic stem cell (esc) are considered to be promising therapeutic strategies . in this study, we compared the potential use of oecs and neurally pre-differentiated escs in contusion spinal cord. methods: oecs were h...

Journal: :Arthritis and rheumatism 2010
Bernd Rolauffs Carol Muehleman Jun Li Bodo Kurz Klaus E Kuettner Eliot Frank Alan J Grodzinsky

OBJECTIVE The zonal composition and functioning of adult articular cartilage causes depth-dependent responses to compressive injury. In immature cartilage, shear and compressive moduli as well as collagen and sulfated glycosaminoglycan (sGAG) content also vary with depth. However, there is little understanding of the depth-dependent damage caused by injury. Since injury to immature knee joints ...

Journal: :Journal of structural biology 2013
Bernd Rolauffs Bodo Kurz Tino Felka Miriam Rothdiener Tatiana Uynuk-Ool Matthias Aurich Eliot Frank Christian Bahrs Andreas Badke Ulrich Stöckle Wilhelm K Aicher Alan J Grodzinsky

OBJECTIVE Trauma-associated cartilage fractures occur in children and adolescents with clinically significant incidence. Several studies investigated biomechanical injury by compressive forces but the injury-related stress has not been investigated extensively. In this study, we hypothesized that the biomechanical stress occurring during compressive injury predetermines the biomechanical, bioch...

 The chronic ankle sprain is the most common injury among athletes, and using the tape is one way to prevent it. The aim of the present study was to determine the effect of the Kinsio-tape on the compressive and shear mechanical forces of the ankle joint during single-leg jump landing. 12 subjects were selected based on inclusion criteria. Subjects were asked to perform landing after jump in th...

Journal: :acta medica iranica 0
seyed behzad jazayeri sina trauma and surgery research center and student's scientific research center, tehran university of medical sciences, tehran, iran. and student’s scientific research center, tehran university of medical sciences, tehran, iran. masoumeh firouzi tissue repair laboratory, institute of biochemistry and biophysics (ibb), tehran university of medical sciences, tehran, iran. shayan abdollah zadegan sina trauma and surgery research center, tehran university of medical sciences, tehran, iran. and research centre for neural repair, tehran university of medical sciences, tehran, iran. niloufar saeedi sina trauma and surgery research center, tehran university of medical sciences, tehran, iran. elham pirouz sina trauma and surgery research center, tehran university of medical sciences, tehran, iran. mohsen nategh research centre for neural repair, tehran university of medical sciences, tehran, iran.

prior animal models have shown that rats sustaining 3-second immediate spinal cord compression had significantly better functional recovery and smaller lesion volumes than rats subjected to compression times of 1 hour, 6 hours, 3 weeks, and 10 weeks after spinal cord injury. we compare locomotor rating scales and spinal cord histopathology after 3 seconds and 10 minute compression times. . ten ...

Journal: :Neuroscience letters 2013
Hou-Qing Long Guang-Sheng Li Er-Jian Lin Wen-Han Xie Wen-Li Chen Keith Dip-Kei Luk Yong Hu

OBJECTIVE To evaluate the effect of expansion speed on chronic compressive spinal cord injury in the rat. METHODS Thirty-six Sprague-Dawley rats were divided into four groups: a control group, a group receiving compressor in the C5-C6 epidural space with instant compression (group 1), and two other groups receiving water-absorbing polyurethane polymer sheets with two expansion speeds, which r...

2013
Peter E. Batchelor Taryn E. Wills Peta Skeers Camila R. Battistuzzo Malcolm R. Macleod David W. Howells Emily S. Sena

BACKGROUND The use of early decompression in the management of acute spinal cord injury (SCI) remains contentious despite many pre-clinical studies demonstrating benefits and a small number of supportive clinical studies. Although the pre-clinical literature favours the concept of early decompression, translation is hindered by uncertainties regarding overall treatment efficacy and timing of de...

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