نتایج جستجو برای: transient ischemic dilatation
تعداد نتایج: 227139 فیلتر نتایج به سال:
introduction: anesthetic agents, blood pressure, arterial ph and blood gases have found to influence on the pathophysiology of experimental stroke. despite, there are very few comparative studies about effects of anesthetic agents in animal model of cerebral ischemia. therefore, in this study, we investigated the effects of chloral hydrate and pentobarbital anesthesia, as comparative study, on ...
objective: morphological changes of ca1 neurons in rat hippocampus after transient and permanent focal cerebral ischemia were studied to clarify the nature of postischemic cell death in the subfield. materials and methods: male adult rats were divided into 3 groups: control (shamoperated), transient ischemic group (30 minutes of mcao followed by 48 hours of reperfusion), and permanent ischemic ...
Introduction: Vertebrobasilar Dolichoectasia (VBD) is a rare disorder in which arteries cause dilatation and tortuosity of the blood vessels, affect posterior circulation. Case Presentation: In this case report, we discuss patient VBD presenting with transient episodes quadriparesis, aphasia, vertigo. She had symptoms specifically when her head was turned towards right side while waking up. Bas...
introduction: the main purpose of this study was to compare transient ischemic dilation (tid) ratios in spect-low dose ct and spect myocardial perfusion imaging (mpi) by application of different quantitative programs and quantify the possible shift in the upper normal limits of tid ratio in the spect-ct mpi. methods: 149 patients with low pre-test probability for coronary artery disease (cad),...
background: stroke, one of the most important causes of morbidity and mortality in the world, is of great importance in young adults (15-45 years), amongst whom the causes of stroke and transient ischemic attack (tia) are different from those in older ages and a significant portion of them have no known etiology. patent foramen ovale (pfo) is considered a probable cause in this group. methods: ...
Abstract Objective: Abnormal values of the transient ischemic dilation (TID) ratio are associated with severe and extensive coronary artery disease (CAD). TID can be used as a diagnostic and prognostic marker of CAD in diabetic patients. The aim of current study was to determine the pooled estimate of TID ratio in single myocardial perfusion scan in diabetic patients by a systematic review and...
AIM Left ventricular (LV) transient ischemic dilatation (TID) is not clear how it relates to inducible myocardial ischemia during stress echocardiography (SE). METHODS AND RESULTS Eighty-eight SEs were examined from the site certification phase of the ISCHEMIA Trial. LV end-diastolic volume (EDV) and end-systolic volume (ESV) were measured at rest and peak stages and the percent change calcul...
BACKGROUND Atrial fibrillation (AF) is a cause of ischemic stroke and is associated with recurrence and with acute multi-vessel territory non lacunar stroke. Many cryptogenic strokes could be secondary to undiagnosed paroxystic AF. As left atrium (LA) dilatation is a risk factor of AF, we sought to determine if moderate or severe LA dilatation was associated with multiple vascular territory inf...
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