نتایج جستجو برای: vascular diameter ratio
تعداد نتایج: 803170 فیلتر نتایج به سال:
After stenosis of arteriovenous vascular access in hemodialysis patients, platelets play a crucial role in subsequent thrombus formation, leading to access failure. In a previous study, the mean platelet volume (MPV)/platelet count ratio, but not MPV alone, was shown to be an independent predictor of 4-year mortality after myocardial infarction. However, little is known about the potential infl...
OBJECTIVES Intimal hyperplasia is a major reason for the restenosis of vein grafts. A vascular external sheath was designed to inhibit intimal hyperplasia of vein grafts. METHODS Using the biodegradable material poly(lactic-co-glycolic acid) and fibrin, a high porosity external sheath carrying bosentan with a stratified internal spiral structure was made by grouping mould extraction and low-t...
Follicular thyroid carcinoma (FTC) tends to metastasize to remote organs rather than local lymph nodes. Separation of FTC from follicular thyroid adenoma (FTA) relies on detection of vascular and/or capsular invasion. We investigated which vascular markers, CD31, CD34 and D2-40 (lymphatic vessel marker), can best evaluate vascular invasion and why FTC tends to metastasize via blood stream to re...
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