Search Results
Results 251 - 300 of 1025
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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 ...
Williams Matthew L - - 2004
Saphenous vein graft (SVG) aneurysms are a rare complication of coronary artery bypass graft surgery. Patients in whom these aneurysms form a fistula with either a cardiac chamber or mediastinal vessel are even more uncommon and present a difficult diagnostic and therapeutic challenge. We present a patient with SVG aneurysms ...
Rogers Campbell - - 2004
BACKGROUND: Distal embolization of plaque particulate liberated during stenting may cause periprocedural complications. The number, size, and volume of debris released during stenting, however, have not been quantified, rendering embolic protection approaches empiric. We used a novel method of microparticle size assessment to measure volume and characterize individual sizes of ...
Gaudino Mario - - 2004
BACKGROUND: The angiographic patency of composite Y internal thoracic artery-saphenous vein grafts has not been investigated in detail. METHODS: Twenty-five patients who received composite Y internal thoracic artery-saphenous vein grafts had control angiography and vasoactive challenges with serotonin, acetylcholine, and isosorbide dinitrate at a mean of 2.5 +/- 1.2 years ...
Davis Zev - - 2004
OBJECTIVES: We determined the long-term patency rates of coronary artery grafts with endoscopically harvested saphenous veins. METHODS: Patency rates were established in 51 patients with 130 distal saphenous vein grafts using contrast-enhanced electron beam computed tomography at 3.74 +/- 0.65 years after coronary artery bypass grafting. A similar group of ...
Dandekar Uday - - 2004
OBJECTIVE: To highlight an uncommon problem of heparin induced thrombocytopenia after coronary artery bypass operation. METHODS: We report the case of a 59-year-old man who suffered severe type II heparin induced thrombocytopenia (HIT) after coronary artery bypass operation. He experienced extensive skin necrosis at sites of saphenous vein harvesting, which ...
Ho Paul C - - 2004
Percutaneous intervention of saphenous vein graft (SVG), especially those with heavy atherothrombotic load, presents high risk for distal embolization and no-reflow. Using the distal filters alone may occasionally be disadvantageous because of the large debris burden and the inability to assess the underlying culprit lesions and vessel size accurately. We ...
Katariya Kushagra - - 2004
BACKGROUND: We report our early experience with the Symmetry Aortic Connector (St. Jude Medical, St. Paul, MN) used for sutureless proximal aortosaphenous vein graft anastomoses without any cross clamp during coronary bypass procedures. METHODS: Between November 2001 and August 2002, 206 saphenous vein to aorta proximal anastomoses were created in ...
Mayglothling Julie - - 2004
True aneurysms of aortocoronary saphenous vein bypass grafts are a relatively rare complication of bypass surgery, but because the complications of thrombosis, embolization, or rupture are potentially fatal, this condition requires immediate surgical intervention. We describe a 78-year-old man who had undergone coronary bypass 15 years previously and who presented ...
Fuertes Jorge - - 2004
We describe a percutaneous intervention performed over the proximal anastomoses of an aortocoronary saphenous vein graft that had been attached to the aorta 3 months before with the St. Jude Medical Symmetry Aortic Connector System. Technical aspects of procedure are discussed, and the experience previously reported in the literature related ...
Cruz Carlos P - - 2004
Vein diameter measurements using B-mode Doppler ultrasound (US) are used to assess the greater saphenous vein (GSV) for bypass operations; a 2.5-3.0 mm diameter is suggested as a minimum. Preoperative measurements are made while the vein is in the low-pressure venous system. This may not reflect the distended diameter of ...
Petrofski Jason A - - 2004
OBJECTIVE: More than 50% of aortocoronary saphenous vein grafts are occluded 10 years after surgery. Intimal hyperplasia is an initial, critical step in the progression toward occlusion. To date, no clinically relevant large animal models of aortocoronary saphenous vein graft intimal hyperplasia have been fully characterized. Gene therapy holds promise ...
Elias Steven M - - 2004
Advances in minimally invasive vein surgery (MIVS) techniques made during the last decade have decreased operative morbidity, the number and size of incisions, operative time and recovery time. The following MIVS techniques will be discussed: 1. Transilluminated Powered Phlebectomy (TIPP) TriVex. 2. Radiofrequency Ablation Greater Saphenous Vein (RFGSV) Closure. 3.Laser ...
Lin Tzu-Yu - - 2003
OBJECTIVES: Our objectives were to determine the incidence and severity and the time course of the CO(2) embolism during endoscopic saphenous vein harvesting with CO(2) insufflation in coronary artery bypass surgery with transesophageal echocardiography monitoring. METHODS: Four hundred three consecutive patients scheduled for off-pump coronary artery bypass grafting surgery or ...
Verma Subodh - - 2003
OBJECTIVES: We evaluated the effect of the St Jude Medical sutureless anastomotic connector on endothelium-dependent and -independent saphenous vein graft relaxation, as well as on clinical outcomes and graft patency in patients. METHODS: Human saphenous vein grafts were assigned to control or connector groups (loaded for 1 or 5 minutes; ...
Blanco E - - 2004
The objective of this study was to compare patency rates following the repair of popliteal aneurysms according to the site of inflow, material of bypass graft and quality of distal runoff. Seventy bypasses were performed over an 11-year period. Autogenous saphenous vein was used in 53 procedures (75.7%) and prosthetic ...
Gaitonde Rajdeep S - - 2003
Totally occluded saphenous vein grafts are difficult to treat percutaneously with a higher likelihood of distal embolization and slow-flow or no-reflow during percutaneous interventions. The PercuSurge system, which utilizes a distal balloon occlusive device, has been shown to improve clinical outcomes during saphenous vein graft (SVG) interventions. This device may ...
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