Blood flow and patency rates obtained by lingual to basilar artery anastomosis were compared with those obtained by saphenous vein bypass graft from the carotid to the basilar artey in two groups of ten dogs. Flow was measured by an electromagnetic technique while blood pressure and blood gases were monitored. Graft patency also was determined by angiography and histological examination. The ar...

Saphenous vein graft length may be not enough in some cases in aortocoronary bypass surgery. If the graft length is not enough, cardiac surgeons can use epicardial and fatty dissection to release tightening saphenous vein graft, especially in the right coronary artery fashion.

Homologous vein grafts are becoming increasingly useful in patients without suitable autologous saphenous veins for peripheral arterial bypass procedures [4, 81. However, fresh veins are the only tissue that has been used successfully in homograft vascular reconstruction in terms of long-term patency [4]. The advantages of a reliable method of long-term storage of viable vein segments and the u...

BACKGROUND Smooth muscle cell (SMC) migration and proliferation are important in the development of intimal hyperplasia, the major cause of vein graft failure. Proteases of the plasminogen activator (PA) system and of the matrix metalloproteinase (MMP) system are pivotal in extracellular matrix degradation and, by that, SMC migration. Previously, we demonstrated that inhibition of both protease...

Arteriovenous graft for hemodialysis vascular access is a widely used technique with many advantages. However, it has crucial complications with graft thrombosis and infection. We recently experienced an unusual case of arteriovenous graft complication involving graft thrombosis related to fistula formation between the graft and the natural vein with infection. We diagnosed this condition using...

Poor long-term patency of vein grafts remains an obstacle in coronary artery bypass grafting (CABG) surgery using an autologous saphenous vein graft. Recent studies have revealed that miR-126-3p promotes vascular integrity and angiogenesis. We aimed to identify the role of miR-126-3p in the setting of vein graft disease and investigate the value of miR-126-3p agomir as a future gene therapy in ...

BACKGROUND Venous aortocoronary graft arterialization may precede a preterm occlusion in some coronary artery bypass grafting (CABG) patients. The aim of the present study was to identify ultrastructural variations in the saphenous vein wall that may have an impact on the development of venous graft disease in CABG patients. METHODS The study involved 365 consecutive patients with a mean age ...

A congenital absence of the portal vein (CAPV) is a rare disorder that may lead to an intrapulmonary shunt. A 14-year-old male with CAPV underwent living donor liver transplantation with a left lobe graft from his father. The portal vein reconstruction was achieved with a renoportal anastomosis using an interpositional graft from the native collateral vein, because portal venous system directly...

A 27-year-old female patient was referred due to an edematous left lower extremity. Both saphenous veins had been ablated with an endovenous laser procedure used to treat varicose veins. Venography revealed that the left common femoral vein had been divided and that thrombosis was present at the site of division. No veins were available around the thighs. The patient was treated using a staged ...

OBJECTIVE Activation and proliferation of vascular smooth muscle cells (VSMCs) occur in the venous neointima of vein grafts. VSMCs in a grafted vein are subjected to mechanical stretch; our goal is to understand the essential mechanical stretch-regulated signals that influence VSMCs during neointimal formation in vein grafts. METHODS AND RESULTS In cultured vein VSMCs, mechanical stretch indu...