نتایج جستجو برای: شاخص swi
تعداد نتایج: 76894 فیلتر نتایج به سال:
Susceptibility-weighted imaging (SWI) has continued to develop into a powerful clinical tool to visualize venous structures and iron in the brain and to study diverse pathologic conditions. It is a new art which evaluates and exploits the properties of blood, iron and other tissues. It is a magnitude or filtered phase images or combination of both, obtained with high-resolution 3D fully velocit...
Susceptibility-weighted imaging (SWI) has continued to develop into a powerful clinical tool to visualize venous structures and iron in the brain and to study diverse pathologic conditions. It is a new art which evaluates and exploits the properties of blood, iron and other tissues. It is a magnitude or filtered phase images or combination of both, obtained with high-resolution 3D fully velocit...
Background and purpose: Sternal Wound Infection (SWI) is a serious complication of median sternotomy that increases the rate of mortality. We report our experience of managing SWI in a regional cardiothoracic unit in Mazandaran province, Iran. Materials and methods: We prospectively studied 4725 patients who underwent isolated coronary artery bypass grafting between March 2012 and March 2015...
Many studies have established that the Swi/Snf family of chromatin-remodeling complexes activate transcription. Recent reports have suggested the possibility that these complexes can also repress transcription. We now present chromatin immunoprecipitation evidence that the Swi/Snf complex of Saccharomyces cerevisiae directly represses transcription of the SER3 gene. Consistent with its role in ...
BACKGROUND Sternal wound infection (SWI) is an uncommon but potentially life-threatening complication of cardiac surgery. Predisposing factors for SWI are multiple with varied frequencies in different studies. The purpose of this study was to assess the incidence, risk factors, and mortality of SWI after coronary artery bypass grafting (CABG) at Tehran Heart Center. METHODS This study prospec...
BACKGROUND AND PURPOSE SWI provides information about blood oxygenation levels in intracranial vessels. Prior reports have shown that SWI focusing on venous drainage can provide noninvasive information about the degree of brain perfusion in pediatric arterial ischemic stroke. We aimed to evaluate the influence of the SWI venous signal pattern in predicting stroke evolution and the development o...
BACKGROUND The impact of percutaneous dilatational tracheostomy (PDT) on the development of post-median sternotomy wound infection (SWI) and mediastinitis is still controversial. We aimed to investigate the frequency of cross-infection and incidence of SWI after PDT. METHODS In a retrospective design, out of a total of 4100 procedures, all patients who had undergone median sternotomy and post...
مدل های مختلفی وجود دارند که از آنها به منظور تخمین رطوبت خاک در مطالعات منطقه ای و یا مزرعه ای استفاده می شود. از آنجا که رویکرد این تحقیق، مدل سازی رطوبت خاک به صورت منطقه ای و به منظور استفاده از آن در مطالعات خشکسالی است، از مدل رطوبتی حاکم بر نمایه شدت خشکسالی پالمر برای این منظور استفاده شده است. بدین منظور داده های دما و بارش ماهانه از تمام ایستگاه های همدیدی استان اصفهان برای یک دوره زم...
BACKGROUND AND PURPOSE PRES-related vasogenic edema is potentially reversible while hemorrhage occurs in only 15.2%-17.3% of patients. However, the true incidence of hemorrhage could be higher when SWI is considered. Thus, we set out to determine the incidence of MH, SAH, and IPH in PRES by using SWI and to particularly evaluate whether such MHs are reversible. MATERIALS AND METHODS Thirty-on...
BACKGROUND Sternal Wound Infection (SWI) is a severe complication after cardiac surgery. Debridement associated with primary closure using Redon drains (RD) is an effective treatment, but data on RD management and antibiotic treatment are scarce. METHODS We performed a single-center analysis of consecutive patients who were re-operated for SWI between 01/2009 and 12/2012. All patients underwe...
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