نتایج جستجو برای: hounsfield number
تعداد نتایج: 1169456 فیلتر نتایج به سال:
BACKGROUND Coronary collateral flow is an alternative source of myocardial perfusion in patients with totally occluded coronary arteries. Clinical evaluation of collateral flow has been limited by the need of invasive measurements. We investigated whether noninvasive coronary computed tomographic angiography can evaluate the angiographic extent of coronary collateral flow. METHODS AND RESULTS...
OBJECTIVE We investigated the link between lipid-rich skeletal muscle, namely low-density muscle, and insulin resistance in Korea. RESEARCH DESIGN AND METHODS Abdominal adipose tissue areas and midthigh skeletal muscle areas of 75 obese nondiabetic subjects (23 men, 52 women; mean age +/- SD, 41.9 +/- 14.1 years) were measured by computed tomography (CT). The midthigh skeletal muscle areas we...
We explored whether clot density in middle cerebral artery (MCA) occlusion is related to clinical variables, stroke etiology, blood constituents, and prestroke medication. We performed a retrospective chart review of patients with acute ischemic stroke of the anterior circulation admitted to two Central European stroke centers. The acquisition of non-contrast enhanced CT (NECT) and CT angiograp...
Rationale and Objectives: Ischemic strokes represent more than 80% of all stroke cases and are characterized by the occlusion of a blood vessel due to a thrombus or embolus. The temporal evolution of ischemic strokes occurs in four stages, i.e. Hyperacute, Acute, Subacute and Chronic. CT image by using ImageJ software help to identify stages of ischemic stroke in human brain as an alternative m...
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