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Carrozza Joseph P JP - - 2005
BACKGROUND: Stent placement in saphenous vein bypass grafts is associated with a high incidence of myonecrosis usually resulting from embolization of thrombus and friable atheroma. Embolic protection devices reduce the incidence of adverse events after vein graft stenting. However, first-generation balloon occlusion systems are still associated with a 10% incidence ...
Hill Bradley B - - 2005
PURPOSE: To examine the feasibility and clinical outcome of a novel, minimally invasive technique for harvesting the great saphenous vein (GSV) for use in peripheral arterial bypass surgery. METHODS: Between May 2001 through March 2003, 27 patients (15 men; mean age 71+/-10 years) underwent extremity bypass procedures for limb salvage ...
Izutani Hironori - - 2005
The use of an automatic aortic connector device for proximal saphenous vein graft anastomoses eliminates the need for aortic clamping during off-pump coronary artery bypass grafting and may reduce the incidence of stroke in the elderly and in patients with severe aortic atherosclerosis. The PAS-Port proximal anastomotic system is a ...
Georghiou Georgios P - - 2005
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether the radial artery provides better long-term patency than the saphenous vein. Altogether 379 papers were found using the reported search, of which 12 presented the best evidence to answer the clinical ...
Krnić Anton - - 2005
AIM: To explore the correlation between perforating vein incompetence and the extent of great saphenous vein insufficiency according to Hach. METHODS: Duplex ultrasound was used to determine the number of incompetent perforators and diameter of perforating veins, and the level of great saphenous vein reflux and the presence or absence ...
Webb Leslie A - - 2005
Distal embolic protection devices have been shown to reduce the risk of peri-procedural complications associated with saphenous vein graft intervention. However, there are several important anatomic limitations that may preclude routine device use. We analyzed the angiograms of 624 consecutive saphenous vein graft interventions to determine eligibility for use of ...
Bejarano Jorge - - 2005
Saphenous vein bypass grafts permeability is one of the most important limitations of open heart surgery. The risks associated with surgical re-intervention are greater than those associated with the initial procedure. While native coronary arteries usually have fixed, fibrotic or calcified atherosclerotic plaques, the disease in the vein grafts contains ...
Raffai Gábor - - 2005
Electron-dense vesicles were observed in rat vascular endothelium. The purpose of this study was to characterize their content(s), venous-arterial distribution and response to chronic orthostatic stress in extremity vessels. Saphenous and brachial vessels - saphenous vein (SV), saphenous artery (SA), brachial vein, brachial artery - were prepared for electron microscopy ...
Leask Richard L - - 2005
Coronary artery bypass graft (CABG) failure has been linked to graft hemodynamics, in particular wall shear stress. This study characterizes the morphology, geometry and wall shear stress patterns in human CABGs. The intimal thickness (IT) in 49 human saphenous vein CABGs was measured by digital light microscopy. The geometry of ...
Webb John G - - 2005
Percutaneous intervention in the setting of aortocoronary saphenous vein graft disease is associated with a significant risk of distal embolization. Devices intended to minimize the clinical impact of embolization have primarily utilized distally placed occlusive balloons or filters. Although such systems are often effective, distal protection does have limitations. We ...
Morrison Nick - - 2005
Endovenous ablation has been reported to be safe and effective in eliminating the proximal portion of the great saphenous vein from the venous circulation, with faster recovery and better cosmetic results than surgical stripping. However, the definition of a successful outcome in the literature has not been uniform. As in ...
Yatskar Leonid - - 2005
We report a case of a large saphenous vein graft (SVG) aneurysm masquerading as a right atrial mass on transesophageal echocardiogram. Cardiac magnetic resonance angiography reliably made a diagnosis of SVG aneurysm extrinsically compressing right atrium. This case illustrates the importance of using combined imaging modalities for the diagnosis and ...
Shah Prasad - - 2005
Aortocoronary dissection can occur as a complication of angioplasty of native coronary arteries. This case report is of aortic dissection occurring as a complication of percutaneous coronary intervention of proximal anastomoses of a saphenous vein bypass graft. The aortic dissection that had progressed retrogradely into the ascending aorta was treated ...
Sabik Joseph F JF - - 2005
BACKGROUND: We sought to compare saphenous vein and internal thoracic artery graft patency by coronary system. METHODS: From 1972 to 1999, 50,278 patients underwent primary coronary surgery; subsequently, 4,333 had angiography of 2,121 internal thoracic artery and 8,733 saphenous vein grafts. Longitudinal analysis was used to model graft occlusion and ...
Korompai Ferenc L - - 2005
Three groups of consecutive patients who had undergone primary elective coronary artery bypass operations were compared at 10 to 20 years of follow-up (mean, 13.6 years), in order to test the supposition that arterial conduits provide better long-term outcome than do the "standard" left internal mammary-to-left anterior descending coronary artery ...
Gim Ronald D - - 2005
Decades of successful surgical revascularization of coronary artery disease have led to a growing population with saphenous vein graft disease. However, the treatment of degenerated saphenous vein graft still remains controversial. We report a novel but successful use of a peripheral, self-expanding nitinol stent in adjunct to excimer laser coronary ...
Podlaha J - - 2005
At the 2nd Department of Surgery, St. Anne's University hospital Brno, a total of 76 operations for popliteal artery aneurysm were performed in 67 patients in the last 20 years, in period 1985-2004. 63 operations were elective and 13 urgent. For reconstruction, autologous saphenous vein was used in 53 cases, ...
Ozbek C - - 2005
OBJECTIVE: Lower limb arterial occlusion with no patent distal artery suitable for revascularisation is a common problem. The aim of this study was to assess the role of revascularisation to distal veins (ascending venous arterialization) in patients not reconstructable by conventional bypass. METHOD: Ascending venous arterialization is a distal arteriovenous ...
Connolly John E - - 2005
In situ saphenous vein bypass, which was performed first by Rob in 1959, but introduced by Hall in 1962, has been widely applied as an alternative to the reversed bypass. Now, forty years later, it seems appropriate to review its current place and technique. Of the presumed original benefits of ...
Pascarella Luigi - - 2005
Venous aneurysms are not rare. But most attention has been paid to deep venous aneurysms. Because of their propensity to thrombose and cause pulmonary embolization. Increased availability of duplex Doppler ultrasound has allowed total evaluation of all venous segments in patients undergoing surgery for chronic venous insufficiency. In this study, ...
Golbasi Ilhan - - 2005
Variations in vascular reactivity and morphology of proximal and distal saphenous vein might affect its performance as a bypass conduit. Because peri- or postoperative graft spasm or intimal hyperplasia reduces patency, we compared the reactivity and morphology of human proximal and distal saphenous vein conduits. Isometric tension studies were performed ...
Nölke Lars - - 2004
The reported incidence of minor dilation of reversed saphenous vein grafts used for coronary artery bypass grafting varies up to 14%, however significant aneurysmal dilation is unusual. We report on the findings and management of a series of four patients with reversed saphenous vein graft aneurysms (rSVG). These cases show ...
Cohen David J - - 2004
OBJECTIVES: The goal of this research was to determine the incremental cost and cost-effectiveness of embolic protection in patients undergoing percutaneous revascularization (PCI) of diseased saphenous vein bypass grafts (SVGs). BACKGROUND: Distal protection using the GuardWire balloon occlusion device has been shown to reduce major ischemic complications in patients undergoing ...
Goldman Mitchel P - - 2004
OBJECTIVE: The objective was to determine the safety and efficacy of an intravascular laser with a novel wavelength to close the great saphenous vein. METHODS: Twenty-four cases of an incompetent great saphenous vein (0.5-1.2 cm in diameter) associated with distal varicose veins were treated with a 1320-nm intravascular laser at ...
Loubani Mahmoud - - 2004
Axillary artery cannulation for cardiopulmonary bypass is becoming increasingly used for surgery of aortic dissections for reoperations and extensively diseased ascending aortas. This can be achieved either directly or with a graft. We describe a case with a repair of chronic type A dissection in which axillary cannulation was achieved ...
Sievert Horst - - 2004
The Feasibility And Safety Trial for its embolic protection device during transluminal intervention in coronary vessels: a European Registry (FASTER) was designed to demonstrate that (1) the Proxis embolic protection system can control anterograde flow and reverse blood flow in native coronary arteries and saphenous vein grafts; and (2) this ...
Janowski Konrad - - 2004
Chronic vein insufficiency (CVI) is a disease which, when it develops, leads to varicose veins of the lower limbs. As approximately 25% to 50% of people suffer from it, it should be recognised as a public disease. The treatment of chronic vein insufficiency is based on a surgical approach. The ...
Dashwood Michael - - 2004
The saphenous vein (SV) is the most commonly used conduit for coronary artery bypass surgery. However, using traditional techniques, the occlusion rate for the SV is high, with over 50% of grafts failing within 10 years. In conventional coronary artery bypass surgery the SV is exposed to considerable damage during ...
Friedl Reinhard - - 2004
BACKGROUND: The development of fibromuscular intimal hyperplasia and subsequent graft failure remains an urgent problem in cardiac surgery. Transforming growth factor-beta1 (TGF-beta1) is involved in the pathogenesis of arteriosclerosis through induction of extracellular matrix proteins. We tested the hypothesis that intimal hyperplasia is already present in human saphenous veins and ...
Maheshwari R - - 2004
A case of spontaneous recurrent haemarthrosis of the knee presenting 3 months after the unicondylar knee replacement is described. Femoral arteriography demonstrated hypertrophy of the saphenous branch of descending genicular artery with a prominent vascular blush in the region of posteromedial aspect of the popliteal fossa thought to represent a ...
Hirsch Glenn A - - 2004
We report the case of a 60-year-old man with a history of coronary bypass surgery 20 years prior who had a fever, chest pain, and a mediastinal mass develop after a complicated postoperative course of abdominal aortic aneurysm resection. A mycotic aneurysm of the saphenous vein graft to his left ...
Seidel A C - - 2004
OBJECTIVES: To determine the prevalence and distribution of primary venous reflux in the lower limbs in patients without truncal saphenous reflux. DESIGN: Prospective cohort study. PATIENTS AND METHODS: One thousand and seven hundred and twelve patients with suspected venous disease were examined by duplex ultrasonography. Seven hundred and thirty-five patients ...
Ho Paul C - - 2004
The use of the polytetrafluoroethylene-covered stents is expanding and its full potential in percutaneous coronary intervention is still being defined. The synthetic covered stent has been used in the treatment of coronary as well as saphenous vein graft disease. In the treatment of relatively large aneurysms of saphenous vein grafts, ...
Kavallieratos Nikos - - 2004
Venous hypertension due to subclavian or innominate vein stenosis coexisting with a functioning arteriovenous access in the ipsilateral arm is a complex problem in patients undergoing hemodialysis. Therapeutic solutions must optimally relieve symptoms, permit use of the angioaccess, and carry minimal surgical risk. The purpose of this study was to ...
Lucchetti V - - 2004
High thoracic epidural anaesthesia has recently been proposed to perform surgical revascularisation with arterial grafts in awake patients. However, in high-risk patients with associated co-morbidity it is not always possible to perform complete arterial revascularisation. A technique which combines thoracic epidural and selective lumbar subarachnoid block is described, allowing harvesting ...
Delis Konstantinos T - - 2004
The standard conduit in infrainguinal arterial bypass grafting, the great saphenous vein, is often unavailable. Arm and small saphenous veins are used as alternative conduits; yet both are deficient in length to accommodate femorocrural bypasses as a single conduit. In light of its high prevalence, the Giacomini vein harvested in ...
Kitamura Hideki - - 2004
The early results of coronary artery grafting with an aortic connector system were assessed in Japanese patients. From May 2002 through April 2003, 24 consecutive patients underwent off-pump coronary artery bypass using an aortic connector system. Another patient was excluded because the saphenous vein was insufficient for the smallest available ...
Safar Hussein A - - 2004
OBJECTIVE: To describe 3 cases of vascular injuries due to orthopaedic procedures. CLINICAL PRESENTATION AND INTERVENTION: Of 242 vascular injuries, 3 were due to orthopaedic screws. The 1st patient presented with a late complication (after 3 years) of an orthopaedic screw placed in close proximity to the axillary artery that ...
Kulik Alexander - - 2004
We report the case of a 70-year-old woman with significant intermediate coronary artery stenosis who underwent a series of stent procedures, ultimately leading to compromise of the origin of the circumflex artery. Intraoperatively, identification of an obtuse marginal coronary artery was impossible due to a thick layer of epicardial fat, ...
Ishii Yoshiyori - - 2004
The greater saphenous vein is assessed as part of the workup for femorodistal bypass surgery in our unit. The aim of this study was to determine whether the minimum internal diameter (MID) of the vein predicted graft patency and limb salvage in femorodistal bypass surgery, independently of the quality of ...
Schaner Patrick J - - 2004
Current strategies to create small-diameter vascular grafts involve seeding biocompatible, compliant scaffolds with autologous vascular cells. Our purpose was to study the composition and strength of decellularized vein to determine its potential as a vascular tissue-engineering scaffold. Intact human greater saphenous vein specimens were decellularized by using sodium dodecyl sulfate ...
Dashwood Michael R - - 2004
Autologous saphenous vein is the most commonly used conduit for coronary artery bypass surgery with more than 50% grafts occluding within 10 years. In conventional preparation the vein undergoes considerable surgical trauma with damage to the outer layers during harvesting. Within these regions are situated the vasa vasorum and small ...
Mozes Geza - - 2004
Advances in diagnosis and in endovascular and surgical treatments of both acute and chronic venous diseases have focused attention on several, previously clinically less important, details of venous anatomy. The time has come to standardize venous nomenclature so that general practitioners and specialists in the United States and abroad speak ...
Yamaguchi Atsushi - - 2004
We report 2 patients with ostial stenoses of coronary arteries and heavy aortic calcification caused by Takayasu's disease in which severe angina was successfully relieved by off-pump coronary artery bypass grafting. In one case, visceral arteries such as the right gastroepiploic artery, the superior mesenteric artery, and the splenic artery ...
Vricella Luca A - - 2004
The use of a conduit of polytetrafluoroethylene placed between the right ventricle and the pulmonary arteries as source of pulmonary arterial supply during the first stage of palliation for the hypoplastic left heart syndrome has facilitated post-operative management and resulted in decreased mortality. We describe here the use of a ...
Golledge Jonathan - - 2004
INTRODUCTION: Adaptation of saphenous vein to arterial flow may be critical to the results of bypass. The present paper summarizes work recently presented as a Hunterian Lecture. Work includes in vitro investigation of the response of saphenous vein endothelium to arterial flow and assessment of its clinical importance using a ...
Farber A - - 2004
Cryopreserved saphenous vein allografts (cryografts) have been used as conduit in infrainguinal revascularization when autogenous vein is inadequate or unavailable. Numerous reports on the subject exist, however most are hampered by small sample size or retrospective design. Despite poor patency rates, limb salvage in patients undergoing cryograft bypass is acceptable. ...
Farhat Fadi - - 2004
The purpose of the present study was to analyze the histological aspects of the saphenous veins after the use of the Symmetry aortic connector in off pump coronary artery bypass surgery (OPCAB). Nineteen consecutive patients who underwent OPCAB surgery and who received one proximal saphenous vein anastomosis using the St ...
Lau G T - - 2004
Coronary artery bypass grafting is an effective treatment for myocardial ischaemia and is particularly important in patients with multivessel disease and diabetes. However, up to 40% of saphenous vein grafts will occlude within 10 years of surgery. The predominant mechanisms for saphenous vein graft disease are thrombosis, intimal hyperplasia, and ...
Perrault L P - - 2004
OBJECTIVE: Endoscopic saphenectomy is associated with a decreased incidence of wound complications without an increase in histologic trauma or endothelial dysfunction in published reports. Concern remains about the patency of saphenous vein grafts harvested endoscopically and the development of early intimal hyperplasia. The purpose of this study was to compare ...
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