نتایج جستجو برای: occluded p
تعداد نتایج: 1277687 فیلتر نتایج به سال:
Dihydrofolate reductase (DHFR) from Escherichia coli (EcDHFR) adopts two major conformations, closed and occluded, and movement between these two conformations is important for progression through the catalytic cycle. DHFR from the cold-adapted organism Moritella profunda (MpDHFR) on the other hand is unable to form the two hydrogen bonds that stabilize the occluded conformation in EcDHFR and s...
Saccadic eye movements are able to localize spatially-extended targets, including patterns of random dots and simple shapes, with a high degree of precision [McGowan, Kowler, Sharma & Chubb (1998). Vision Research, 38, 895-909; Melcher & Kowler (1999). Vision Research, 39, 2929-2946]. This paper investigates the representations of object shape that guide saccades. We studied saccadic localizati...
Five mature dairy bulls were killed 10 weeks after unilateral vasectomy. Testes on the vasectomized side weighed 67% of the contralateral controls (P<.O1) and contained only 34% as many spermatids as the control testes (P<.01). Since a previous report showed little or no change in spermatogenesis in younger bulls at 23 weeks after vasectomy, possibly vasectomy temporarily interrupts spermatogen...
AIMS Early recanalization of the occluded cerebral artery is substantial for clinical improvement in acute ischemic stroke (IS) patients. The rate of achieved recanalizations using IVT is low. The aim of this study was to compare the safety and efficacy of bridging full-dose intravenous-intraarterial (IV-IA) thrombolysis to IVT alone in acute IS patients with occluded MCA. METHODS Seventy-nin...
Objective: To assess effects on left ventricular (LV) function and on long term clinical outcome of late percutaneous transluminal coronary angioplasty (PTCA) of a chronically occluded infarct related artery. Methods: 65 patients who underwent PTCA a mean (SD) of 6.0 (1.2) months after a previous myocardial infarction were divided in two groups according to dilated artery patency status after P...
The outcome and efficacy of recanalization in patients with acute internal carotid artery occlusion.
BACKGROUND AND PURPOSE Acute occlusion of the ICA is often associated with poor outcomes and severe neurologic deficits. This study was conducted to evaluate outcome of the occluded ICA and efficacy of recanalization under protective flow arrest. MATERIALS AND METHODS Fifty consecutive patients who underwent endovascular treatment for acute ICA occlusion were identified from the prospectively...
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