Search Results
Results 201 - 250 of 1034
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Gazoni Leo M - - 2006
Although the use of endoscopic vein harvest (EVH) in coronary artery bypass grafting is accepted, few studies have documented the implementation of EVH in peripheral vascular disease surgery. We hypothesized that EVH improves outcomes compared with open vein harvest (OVH) in patients undergoing femoral to below the knee arterial bypass ...
Anandbabu S - - 2006
In recent years, the management of limb-threatening ischemia has involved the use of distal bypasses to vessels beyond the popliteal trifurcation. Excellent patency rates and limb salvage data are achieved through the use of autologous long saphenous vein. However, an increasing number of patients in need of tibial bypass do ...
Carasso Shemy - - 2006
An aneurysm of a saphenous vein graft (SVG) is a rare but potentially fatal complication of coronary artery bypass grafting (CABG). We describe a case of a large SVG aneurysm (7 x 6 cm) compressing the right atrium. The patient presented with chest pain, dyspnea and desaturation, and a right ...
Chiappini Bruno - - 2006
This is a case report of a 78-year-old patient with a 7-cm aneurysm of the saphenous vein graft that was used 17 years before to perform a coronary artery bypass grafting on the circumflex artery. CT scan displayed a mass with an internal lumen compressing the left atrium as well ...
Poston Robert S - - 2006
Saphenous vein graft thrombosis after coronary artery bypass graft surgery is a poorly understood problem that lessens the benefits of this procedure. Recent studies highlight the importance of injury sustained at the time of saphenous vein graft procurement in the pathogenesis of acute graft thrombosis. In particular, damage to the ...
Heikens J T - - 2006
Mycotic aneurysms leading to aortoduodenal fistula (ADF) are associated with high morbidity and mortality. We report a patient with a mycotic aneurysm and ADF who required emergency laparotomy. After excision of the aneurysm, vascular reconstruction was performed using an autologous graft. The left long saphenous vein was harvested and constructed ...
Cohn Joseph D - - 2006
Anatomic, histologic and ultrasound studies demonstrate two distinct types of longitudinal veins in the lower extremities. The great saphenous vein is deep to the saphenous fascia. Accessory saphenous veins are superficial to this layer, have thin walls with diminished muscle cells and elastic fibers. Vein characteristics may affect long-term graft ...
Haraden Jamie - - 2006
Patients undergoing coronary artery bypass surgery have vascular disease and, subsequently, the risk for impaired healing of their saphenous vein graft site. The purpose of this study was to identify the correlation of the preoperative ankle-brachial index (ABI) and pulse volume recording (PVR) with impaired saphenous vein incisional wound healing ...
Bikk Andras - - 2006
Saphenous vein is the most widely used conduit for arterial bypass procedures and aneurysms of the vein graft are rare. We report a true aneurysm of a reversed femoropopliteal saphenous vein graft implanted nine years earlier. Duplex ultrasonography identified an aneurysm of the saphenous vein graft and arteriography confirmed this ...
Ozturk Kayhan - - 2006
CONCLUSIONS: Our results support the proposition that bypass between the external carotid artery (ECA) and proximal posterior cerebral artery (PCA) can be achieved by using a short saphenous venous graft. The diameters of the ECA and vein graft may provide an increased blood flow with a straighter course. This technique ...
Cohn Joseph D - - 2006
BACKGROUND: Limbs with varicose veins are difficult to assess as a source of saphenous vein conduit. Anatomic, histologic, and ultrasound studies demonstrate two types of longitudinal veins in the lower extremities. The great saphenous vein is deep to the saphenous fascia. Accessory saphenous veins are superficial to this layer and ...
Tubbs R Shane - - 2006
Since 1975, only approximately 60 saphenous vein graft aneurysms have been reported in the medical literature. We now report this unusual finding in a male cadaver who had undergone a recent coronary artery bypass grafting procedure. Although aneurysm formation is an unusual complication of saphenous vein graft surgery, the diagnosis ...
Hynes Niamh - - 2006
Poor rehabilitation rates and the high-cost of managing postamputation patients justify an aggressive revascularization policy in critical lower limb ischemia. Endovascular therapy is our first choice for limb salvage in these patients. However there are patients for whom endovascular therapy is not feasible. When bypass is necessary, autologous vein is ...
Mekontso-Dessap Armand - - 2006
OBJECTIVES: Late graft occlusions after coronary artery bypass grafting have been ascribed to neointimal hyperplasia. Given the pivotal role of smooth muscle cells in the pathogenesis of neointimal hyperplasia and the phenotypic heterogeneity of smooth muscle cells across vessels, we hypothesized that differences in long-term graft patency are at least ...
Leineweber Kirsten - - 2006
OBJECTIVES: We sought to identify soluble vasoconstrictor substances that are released during stent implantation into saphenous vein aortocoronary bypass grafts. BACKGROUND: Atherosclerotic saphenous vein aortocoronary bypass grafts are particularly vulnerable to plaque rupture. Protection devices prevent particulate debris from being embolized. Additional soluble vasoconstrictor substances possibly also contribute to impaired ...
Zhang X S - - 2006
To describe a case of primary leiomyosarcoma of the great saphenous vein. A 59-year-old Chinese lady presented with two painful lumps in the right thigh in the line of the great saphenous vein. At surgery, in September 2004, two tumors in the right great saphenous vein above the knee were ...
Gulkarov Iosif - - 2006
BACKGROUND: C-reactive protein (CRP), an acute phase reactant, is an independent predictor of coronary artery syndromes and a mediator of the vascular response to injury. CRP has been found in arterialized vein grafts and has been linked to atherogenesis; however, its involvement in vein graft early failure or intimal hyperplasia ...
Prosser Verne M - - 2006
Distal protection devices for the prevention of embolization during saphenous venous aorto-coronary bypass graft intervention are currently considered standard of care. Branching or Y-type saphenous vein grafts present a unique and challenging problem when a distal protection device is anticipated. We present a case in which two Filterwires were used ...
Lai Tianjie - - 2006
Open saphenous vein harvesting can be associated with wound complications, incision pain, prolonged convalescence, and poor cosmetic results. Endoscopic vein harvesting has been widely used for prevention of these problems. We compared outcomes of open and endoscopic vein harvesting for coronary artery bypass grafting at the Texas Heart Institute. We ...
Van den Bussche D - - 2006
Venous insufficiency of the lower extremities is a highly prevalent condition. Successful treatment of superficial venous insufficiency will most often necessitate treatment of the saphenofemoral junction incompetence with correction of saphenous vein reflux. In the majority of patients it concerns a reflux of the greater saphenous vein. The standard procedure ...
van den Boom M - - 2006
Autologous saphenous vein bypass grafts (SVG) are frequently compromised by neointimal thickening and subsequent atherosclerosis eventually leading to graft failure. Hyaluronic acid (HA) generated by smooth muscle cells (SMC) is thought to augment the progression of atherosclerosis. The aim of the present study was (1) to investigate HA accumulation in ...
Dandekar Uday - - 2005
Mismatch of aortotomy and saphenous vein graft size occasionally occurs and can compromise the contour of the anastomosis thereby jeopardising its patency. We describe an alternative technique of saphenous vein patch plasty to overcome this complication by giving a more desirable hooded contour to the anastomosis. This results in improved ...
Saxena Pankaj - - 2005
This report describes an unusual etiology of coronary artery disease. A 60-year-old male presented with angina. He was treated with methysergide for migraine. It was determined that the patient possessed an extremely thick-walled ascending aorta that caused the coronary ostial narrowing. He underwent replacement of the ascending aorta and proximal ...
Couto Wilson J - - 2005
Pseudoaneurysm of a saphenous vein bypass graft is a rare occurrence after coronary artery bypass grafting but may have lethal consequences. We treated a giant pseudoaneurysm of a saphenous vein graft to the right coronary artery in an 80-year-old male Jehovah's Witness who had undergone coronary artery bypass grafting 4 ...
Marcheix Bertrand - - 2005
Although elbow dislocations are common orthopaedic lesions, vascular complications remain rare. We report the cases of three patients who presented with a rupture of the brachial artery after closed posterior dislocation, which is even more uncommon. Arteriograms were performed in all cases because of the persistent absence of pulses at ...
Parry Dominic J - - 2005
Saphenous vein graft aneurysm is a potentially fatal complication of coronary artery bypass grafting and usually requires surgery. This report describes endovascular coiling of a saphenous vein graft aneurysm that developed after redo coronary artery bypass grafting. The aneurysm occurred in a proximally occluded saphenous vein graft after revascularization of ...
Shaia Norman - - 2005
The development of atherosclerosis in saphenous vein grafts (SVGs) is one of the limiting factors in coronary artery bypass surgery. Approximately one half of vein conduits are significantly diseased or occluded at 10 years. A surgical revascularization strategy is often not pursued secondary to the incremental risks associated with a ...
Shetty Rajendra - - 2005
We report a patient who presented initially with a diagnosis of a mediastinal mass. During the cardiac catheterization, the patient was diagnosed with a saphenous vein graft aneurysm. We proceeded with a catheter-based intervention resulting in occlusion of the aneurysm. Repeat angiogram after three months showed complete occlusion of the ...
Janowski K - - 2005
Our studies were carried out on 8 male and 2 female baboons Papio anubis cadavers. We examined a total of 20 hind legs. The vessels of the hind leg were filled with coloured latex. Afterwards we prepared the superficial and deep veins and accompanying arteries. We paid attention to the ...
Ndiaye Ass - - 2006
The arch of the great saphenous vein presents numerous tributaries. Misappreciation of their anatomical variations might cause recurrence after surgical treatment of varices. We dissected 54 inguino-femoral regions of fresh, black African corpses. Our purpose was to study the anatomical variations in the vein confluents of the arch of the ...
Kulik Alexander - - 2005
BACKGROUND: Saphenous vein graft disease remains a major limitation of coronary artery bypass graft surgery. The process of saphenous vein intimal hyperplasia begins just days after surgical revascularization, setting the stage for graft atherosclerotic disease and its sequalae. Clopidogrel improves outcomes in patients with atherosclerotic disease, and is effective at ...
Carrozza Joseph P JP - - 2005
OBJECTIVES: The Protection During Saphenous Vein Graft Intervention to Prevent Distal Embolization (PRIDE) study compared outcomes with the TriActiv System (Kensey Nash Corp., Exton, Pennsylvania), a balloon-protection flush and extraction device, with an embolic protection group during treatment of saphenous venous grafts (SVGs). BACKGROUND: Treatment of SVGs with embolic protection ...
Bellosta R - - 2005
AIM: The PTFE prosthesis represents an alternative to the autologous saphenous vein in femoro-tibial revascularization for limb salvage in the absence of venous material in the patient. The aim of our study is to confirm the validity of PTFE revascularization and determine the best distal anastomosis in terms of patency ...
Lee Chi Hang - - 2005
Distal protection using FilterWire EX has been shown to be effective in reducing the incidence of debris embolization and no-reflow phenomenon in saphenous vein graft (SVG) intervention. We present a case of mechanical obstruction of antegrade flow by atherothrombotic debris collected in the FilterWire EX after stent implantation of the ...
Gusic Rebecca J - - 2005
When grafted into an arterial environment in vivo, veins remodel in response to the new mechanical environment, thereby changing their mechanical properties and potentially impacting their patency as bypass grafts. Porcine saphenous veins were subjected for one week to four different ex vivo hemodynamic environments in which pressure and shear ...
Chemla Eric S - - 2005
The purpose of this study was to evaluate the value of complex hemodialysis access procedures among patients with central venous obstruction who were running out of access sites. Between September 2002 and December 2003 we performed a total of 640 new hemodialysis access procedures in 3 renal units. Ten of ...
Draganov Jutta - - 2005
We present the first, unusual case of a lethal mediastinal hemorrhage caused by rupture of a saphenous vein aortic coronary bypass graft due to Aspergillus species necrotizing vasculitis in an immunocompetent patient 18 days after redo coronary artery bypass surgery. The patient had neither signs for mediastinitis nor for another ...
Nohara Hideaki - - 2005
We presented a technique for using the St. Jude Aortic Connector System in anastomosis with a composite graft of saphenous vein and radial artery. This technique has not been reported in the previous literature. Our technique could improve some disadvantages of the St. Jude Aortic Connector and allow this device ...
Rha Seung-Woon - - 2005
Bivalirudin (Angiomax) is increasingly used as a substitute for heparin in a variety of percutaneous coronary interventions, and data on its usage in saphenous vein graft interventions are limited. This retrospective, observational study evaluated the efficacy and safety of bivalirudin compared with heparin as an antithrombotic regimen in patients who ...
Stierli P - - 2005
OBJECTIVES: To describe the lateral approach to the popliteal artery in reconstructions after soft tissue sarcoma resection in the thigh. DESIGN: Case reports. Subjects Four patients with soft tissue sarcoma. METHODS: Extraanatomic reconstruction of the resected artery and vein in the medial part of the thigh was performed. Vessel reconstruction ...
Quan Vu-Hung - - 2005
Different embolic protection devices have been introduced for endovascular interventions: filters or balloon occlusion and aspiration systems. Despite widening use in a variety of vascular beds and clinical syndromes, little is known about the particulate burden liberated from different vascular beds and caught by different protection devices. We performed histologic ...
Cohn Joseph D - - 2005
BACKGROUND: Saphenous vein is the most common conduit utilized for coronary artery bypass. However, preoperative noninvasive venous studies to evaluate saphenous vein morphology are not commonly performed due to limited logistical support. A prospective, nonrandomized study was developed to assess the utility of intraoperative saphenous vein duplex ultrasound studies in ...
Corcos Leonardo - - 2005
We conducted this study to evaluate the immediate venous morphologic alterations produced in the great saphenous veins by the endovenous diode 808-nm laser used for the treatment of superficial venous insufficiency and varicose veins of the lower limbs and to clarify the clinical implications of the histologic findings. Chosen for ...
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 ...
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