نتایج جستجو برای: saphenous veins
تعداد نتایج: 22380 فیلتر نتایج به سال:
We presented a case of a completely occluded great saphenous vein and transient thrombocytosis following endovenous laser treatment (EVLT) for primary varicose veins of the lower extremity. A 54-year-old man with a left saphenous varicose vein underwent EVLT surgery. Twelve-watt laser irradiation was delivered over the length of 33 cm of the saphenous vein. The cumulative exposure was 1042 J. N...
We investigated the release of endothelium-derived relaxing factor (EDRF) in response to serotonin and histamine in the human internal mammary artery and saphenous vein. The arteries and veins were obtained intraoperatively and were suspended in organ chambers to record isometric tension. In mammary arteries, histamine (10(-8) to 3 X 10(-6) M) induced relaxations in rings with (70 +/- 5%, IC50,...
OBJECTIVE The aim of this study was to assess clinical complications of limbs undergone harvesting of the great saphenous vein for venous coronary artery bypass graft surgery using bridge technique. METHODS Fourty-four patients who had undergone CABG using the great saphenous vein harvested by the bridge technique over more than 3 months ago were randomly selected. The exclusion criteria were...
Saphenous veins are used extensively to replace stenotic coronary arteries. However, the contractile and biochemical adaptations of grafted veins are unknown. The three purposes of this work were to characterize the contractile properties of grafted veins, to determine whether altered contractile characteristics were associated with quantitative changes in actin, myosin and collagen, and to det...
PURPOSE We aimed to assess the technical feasibility of targeted endovenous treatment of Giacomini vein insufficiency (GVI)-associated varicose disease and report our early results. METHODS We retrospectively screened 335 patients with varicose disease who underwent endovenous laser ablation from September 2011 to January 2013, and determined 17 patients who underwent Giacomini vein ablation....
PURPOSE To present the immediate and short-term results of our first 60 endovenous laser (EVL) ablation procedures. MATERIALS AND METHODS Between July 2005 and December 2006, 60 EVL ablations were performed in 36 symptomatic patients (26 females, 10 males; mean age +/- SD, 46 +/- 14 years). The incompetent veins included the great saphenous vein (GSV) (n = 52), small saphenous vein (n = 6), a...
BACKGROUND Several studies have suggested an association between Chlamydophila pneumoniae (Cp) infection and atherosclerosis. A recent study detected Cp DNA in the saphenous vein of 12% of all patients before bypass grafting and in 38% of failed grafts. We used a system in which human veins were perfused with autologous blood under arterial pressure. MATERIALS AND METHODS Veins were surplus s...
Venous bypass grafts often fail following arterial implantation due to excessive smooth muscle cells (VSMC) proliferation and consequent intimal hyperplasia (IH). Intercellular communication mediated by Connexins (Cx) regulates differentiation, growth and proliferation in various cell types. Microarray analysis of vein grafts in a model of bilateral rabbit jugular vein graft revealed Cx43 as an...
Background and Objectives: To assess the safety and effectiveness of traditional surgery with conservative interventions in the treatment of varicose veins. Methods a consecutive series of 31 patients (35 limbs) who came to surgical opd with a provisional diagnosis of primary varicose veins was taken up for traditional surgery (long saphenous vein stripping with or without,short saphenous vein ...
BACKGROUND Endothelial dysfunction contributes significantly to the development of vascular diseases. However, a therapy able to reduce this derangement still needs to be identified. We evaluated the effects of pharmacological inhibition of Rac1, a small GTPase protein promoting oxidative stress, in human endothelial dysfunction. METHODS AND RESULTS We performed vascular reactivity studies to...
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