نتایج جستجو برای: burst fracture
تعداد نتایج: 122930 فیلتر نتایج به سال:
wimax که مبتنی بر استاندارد ieee 802.16 می¬باشد، یک تکنولوژی بی سیم بر اساس روش دسترسی چندگانه ofdma است. ofdma منابع موجود (زمان و فرکانس) را به چندین زیرحامل متعامد در دامنه فرکانس و چندین سمبل مجاور در دامنه زمان تقسیم می کند. مساله تخصیص پهنای باند در ieee 802.16 این است که چگونه بلوک های دوبعدی در محدوده زمان و فرکانس (که burst نامیده می شود) به کاربران تخصیص داده شود. تخصیص منابع برای کار...
BACKGROUND Spinal burst fractures are pathologies that occur in spinal injuries and cause significant mortality and morbidity as a result. Burst fractures in spinal cord injuries can result in rapid and significant oxidative stress. In addition to the primary injury in severe spinal cord injuries, subsequent secondary lesions are mainly due to inflammatory cascade activation and excessive produ...
BACKGROUND To our knowledge, a prospective, randomized study comparing operative and nonoperative treatment of a thoracolumbar burst fracture in patients without a neurological deficit has never been performed. Our hypothesis was that operative treatment would lead to superior long-term clinical outcomes. METHODS From 1994 to 1998, forty-seven consecutive patients (thirty-two men and fifteen ...
; ? was treated and cured. As a result of this fracture he /'?;?> got a deformity on the left side and had a limp. Since V.'-, then he has had no other complaint until he noticed .a; painful swelling in the. perineal and lower part of scrotal regions which also -led to retention of urine, about four months ago. After a few days, both the swellings burst and there was discharge of pus and urine....
Eighty-nine patients with lower cervical spine fractures or dislocations were evaluated for risk factors of neurological lesion. The age, sex, level and pattern of fracture and sagittal diameter of the spinal canal were analysed. There were no significant differences on the age, gender, level and Torg's ratio between intact patients and those with nerve root injury, incomplete or complete spina...
Introduction: Suicidal jumper’s fracture (unstable sacral fracture) is characterized not only by multiple fractures including thoracolumbar fractures, but also major chest and abdominal injuries. Early stabilization of these fractures and early ambulation are required for the treatment and management of chest and abdominal injuries. We present 3 cases of suicidal jumper’s fracture with thoracol...
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