Search Results
Results 201 - 250 of 3011
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Krejca Micha? - - 2009
BACKGROUND: We have previously showed that the extravascular dacron mesh stent wrapped around a vein graft and implanted into the arterial system prevented the hypertrophy of the graft's wall, impeded the overgrowth of the intima and decreased the proliferation rate of venous graft cellular elements. AIM: To determine the role ...
Bisleri Gianluigi - - 2009
PURPOSE OF REVIEW: The use of multiple arterial grafting has gained popularity in recent years due to its clinical advantages when compared with conventional CABG surgery. The purpose of the present review is to focus in particular on the safety and efficacy of composite Y grafting in coronary surgery. RECENT ...
Chen Liang-Wan - - 2009
Bleeding is one of the most devastating complications of the Bentall procedure. We describe a simple, modified composite valve Dacron (DuPont, Wilmington, DE) graft to prevent bleeding from the proximal anastomosis between the graft and aortic annulus. The composite graft was modified by adding a short skirt of Dacron tube ...
Ali Erden - - 2010
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether skeletonization of the internal thoracic artery (ITA) improves graft patency in coronary artery bypass grafting (CABG). Altogether >60 papers were found using the reported search, of which 17 papers represented the ...
Owens Christopher D - - 2010
For patients with the most severe manifestations of lower extremity arterial occlusive disease, bypass surgery using autogenous vein has been the most durable reconstruction. However, the incidence of bypass graft stenosis and graft failure remains substantial and wholesale improvements in patency are lacking. One potential explanation is that stenosis arises ...
Yang Wen-Shin - - 2009
Options for an upper arm arteriovenous graft (AVG) commonly include the placement of a straight prosthetic graft connecting the brachial artery to the axillary vein. However, such configuration leads to underutilization of the upper arm veins, resulting in the loss of venous capital in the upper arm for future secondary ...
Subbotin D V - - 2009
We performed a fluorescent microscopic examination of human and animal aortic grafts at different stages of decellularization. Treatment of aortic grafts with trypsin/EDTA solution for 48 h leads to their complete decellularization and preserved the connective tissue fiber backbone, which gains a netlike structure. The use of this protocol of ...
Vardanian Andrew J - - 2009
Surgical management of infected prosthetic vascular grafts is associated with a significant risk of recurrent infection, limb loss, and mortality. Treatment options include graft excision with extra-anatomic bypass and in-line repair with prosthetic graft, vein, or artery. We hypothesized that in-line reconstruction using cryopreserved arterial allografts would be associated with ...
Chang Ji M - - 2009
We performed an animal experiment with an emphasis on time-related histopathologic changes to evaluate the clinical feasibility of immunologically nontreated xenogenic vascular grafts. Bilateral porcine carotid arteries were harvested, and then, after short-term freezing at -70 degrees C, interposed into goats' carotid arteries. An antiplatelet agent was administered orally for ...
Grabowska-Derlatka L - - 2009
Thrombosis of the pancreatic graft vessels is the most common complication after transplantation. It leads to loss of 5% to 8% of grafts during the early postoperative period. The aims of this study were to evaluate the usefulness of 16-row multidetector computed tomography (16-MDCT) with volume rendering (VR) and maximum ...
Min Ho-Ki - - 2009
BACKGROUND: Arterial grafting and complete revascularization are important requirements of coronary surgery to achieve optimum long-term results. In cases involving coronary artery bypass grafting reoperation (redo-CABG), it is sometimes difficult to satisfy these requirements because of the limited availability of grafts. In this study, we constructed composite and sequential grafting ...
Shimamura Yoshiei - - 2009
The purpose of this study was to assess the feasibility and effectiveness of graft fixation with a novel side graft holder for sequential or composite graft anastomosis in coronary artery bypass grafting (CABG). Records of 34 patients who underwent CABG using sequential or composite graft anastomosis technique were reviewed. The ...
Legendre Antoine - - 2010
OBJECTIVES: The long-term patency rate of coronary artery bypass grafting for which arterial grafts are used is known to be high in the pediatric population. However, this issue remains uncertain in children under 3 years of age. Here, we report the outcome in this specific population. METHODS: From July 1988 ...
Antunes Manuel J - - 2010
We describe a simple technique of constructing proximal vein graft anastomoses, in an open fashion, under brief periods of very low pump flows. We have used this technique without complications in more than 100 patients with significantly diseased ascending aorta wall. In our opinion, this technique is a good alternative ...
McGinn Joseph T JT - - 2009
BACKGROUND: Minimally invasive coronary artery bypass grafting (MICS CABG) is a novel coronary operation that does not require infrastructure and is potentially available to all cardiac surgeons. It aims at decreasing the invasiveness of conventional CABG while preserving the applicability and durability of surgical revascularization. We examined the feasibility and ...
Halbersma Wouter Bas - - 2009
BACKGROUND: A retrospective, single-center 4-year clinical study of the off-pump coronary artery bypass grafting no-touch technique with arterial conduits (Y-graft) was compared with the Syntax trial. METHODS: Four hundred consecutive patients ("all-comers") who underwent coronary surgery between 2004 and 2008 at the Thorax Center Twente (TCT) formed the study group. ...
Suzer Kaya - - 2009
INTRODUCTION: We evaluated a new approach of combined coronary and aorto-bifemoral artery bypass grafting performed through median sternotomy using the descending aorta as the inflow source. MATERIALS AND METHODS: Four patients with advanced coronary and aorto-iliac disease were operated on in the same session. Following the coronary artery bypass grafting ...
Cherian Mathew P - - 2009
The diagnosis and management of gastrointestinal (GI) bleeding are complicated. A multitude of pathologic processes results in GI bleeding, and often, the bleeding is intermittent in nature. Of the available diagnostic tools, angiography has been the gold standard. Management of patients requires a multidisciplinary approach involving gastroenterologists, interventional radiologists, and ...
Sharma Sanjiv - - 2009
Takayasu's arteritis is an idiopathic chronic inflammatory disease affecting the aorta, its major branches and the pulmonary arteries. It leads to stenosis, occlusion, dilatation, and aneurysm formation in the involved vessels. Visceral arterial involvement occurs in 11 to 68% cases. Steno-obstructive lesions are most commonly seen and are usually symptomatic. ...
Iqbal Shams - - 2009
Renovascular hypertension is a major cause of secondary hypertension. It affects relatively younger patients. The unifying pathology is renal artery stenosis. The most common cause is atherosclerosis accounting for about 90% of cases with fibromuscular dysplasia being the second most common cause. Both of these are amenable to percutaneous interventional ...
Valentin Carl N - - 2009
Venous rupture is an uncommon complication resulting from dialysis graft interventions. The authors describe a case of axillary vein rupture following angioplasty necessitating placement of a covered stent for the control of hemorrhage.
Bertrand Olivier F - - 2009
The number of patients with coronary artery disease and type 2 diabetes will increase dramatically over the next decade. Diabetes has been related to accelerated atherosclerosis and many patients with diabetes will require coronary artery bypass graft (CABG) surgery utilizing saphenous vein grafts. After CABG, accelerated atherosclerosis in saphenous vein ...
Goube Pascal - - 2010
This study aims to evaluate the clinical implications of radial artery graft stenosis and the performance of percutaneous intervention (PCI) of radial artery (RA) grafts. Out of 291 patients, 18 (6.2%) underwent PCI of an RA graft. The indications for PCI were acute myocardial infraction (n=1), angina (n=10) and scintigraphic ...
Nakajima Hiroyuki - - 2010
We sought to delineate the safety and efficacy of sequential and composite coronary artery bypass grafting (CABG) with exclusively arterial grafts to more than five coronary branches including small coronary vessels. We reviewed the clinical records of 633 consecutive patients with 2617 bypass grafts who underwent total arterial off-pump complete ...
Diao Jian-Sheng - - 2010
Coronary and peripheral artery bypass grafting are widely being used to deal with vascular deficiencies currently, and a man-made synthetic tube or autogenous arteries or veins are needed a lot. But one's autogenous arteries or veins are limited, and artificial graft substitute isn't yet available in clinical applications because of ...
Sugiura K - - 2009
AIM: Proximal fixation is often limiting for thoracic endovascular aortic repair (TEVAR) and the stent graft may need to cover the origin of the arch branch vessels. Chimney grafts have been proposed to preserve flow into over stented branches during urgent TEVAR. The aim of this report is to share ...
Saito Takeshi - - 2009
OBJECTIVE: The graft patency rate after coronary artery bypass grafting (CABG) correlates with anastomotic stenosis. Intracoronary radiation therapy is effective for preventing restenosis after percutaneous coronary intervention (PCI). We postulated that intracoronary radiation therapy could prevent anastomotic stenosis and tested this hypothesis in an animal model. METHODS: Femoral arteries and ...
Lee Jae Hoon - - 2009
Left transradial coronary angiography may result in damage of both radial arteries in patients who experienced right radial access. In some patients, the left radial artery has been used as a graft. We investigated whether graft angiography using right radial access is feasible in patients with bypass surgery to preserve ...
Kuroda Masahiko - - 2009
OBJECTIVE: The purpose of this study was to evaluate intraoperative transesophageal echocardiography (TEE) for assessing patency of internal thoracic artery grafts. DESIGN: A retrospective study. SETTING: A university hospital. PARTICIPANTS: Fifty-one consecutive patients who underwent coronary artery bypass graft (CABG) surgery using the left internal thoracic artery (LITA)-to-left coronary artery ...
Yie Kilsoo - - 2009
BACKGROUND: We evaluated the efficacy of a well-prepared left internal thoracic artery (LITA) auto Y graft for simultaneous left anterior descending artery (LAD) and diagonal artery (DA) re-vascularisation in selected patients for the reduction of the number of required grafts and improved graft patency, while limiting technical problems. METHODS: Twenty ...
Fukui Toshihiro - - 2010
OBJECTIVE: We sought to compare early and 1-year angiographic results of various coronary artery bypass grafting configurations with the right internal thoracic artery in combination with the left internal thoracic artery. METHODS: We reviewed the records of 705 patients who underwent bilateral internal thoracic artery grafting between September 2004 and ...
Shen Xiaodong - - 2009
To evaluate the biocompatibility and biodegradability of various hydrogels and choose suitable hydrogels for the coronary arteries angiogenesis in ischemic myocardium, we synthesized six kinds of hyaluronan hydrogels, fibrin hydrogel, poly(vinyl alcohol)-chitosan hydrogel, and obtained elastin hydrogels. We examined their degradation rates and cytotoxicity in vitro. Then, hydrogels were implanted ...
Misra Sanjay - - 2009
PURPOSE: The purpose of the present article was to determine the changes in luminal vessel area, blood flow, and wall shear stress in both the inflow artery and the venous stenosis of arteriovenous polytetrafluoroethylene (PTFE) grafts. METHODS AND MATERIALS: Polytetrafluoroethylene grafts were placed from the carotid artery to the ipsilateral ...
Neville Richard F - - 2009
The addition of a distal arteriovenous fistula (DAVF) to improve patency in lower extremity bypass is well described. This report describes a technique of using a distal AVF to enhance a distal vein patch (DVP) in patients without adequate autogenous conduit and who have concomitant severely disadvantaged arterial runoff. A ...
Schwann Thomas A - - 2009
BACKGROUND: Increasing the number of arterial grafts for coronary artery bypass grafting (CABG) has been linked to improved late survival. Currently, it is not known if these long-term benefits are also true when sequential radial artery (RA) grafts are the primary means to maximizing arterial revascularization. METHODS: We compared late ...
Weustink Annick C - - 2009
OBJECTIVES: We sought to evaluate the contribution of noninvasive dual-source computed tomography angiography (CTA) in the comprehensive assessment of symptomatic patients after coronary artery bypass grafting (CABG). BACKGROUND: Assessment of bypass grafts and distal runoffs by invasive coronary angiography is cumbersome and often requires extra procedure time, contrast load, and ...
Tatoulis James - - 2009
BACKGROUND: To avoid late vein graft atheroma and failure, we have used arterial grafts extensively in coronary operations. The radial artery (RA) is the conduit of second choice. This study determined the long-term patency of the RA as a coronary graft. METHODS: Two independent observers evaluated 1108 consecutive postoperative RA ...
Eefting Daniël - - 2009
Inflammatory responses to vascular injury are key events in vein graft disease and accelerated atherosclerosis, which may result in bypass failure. The monocyte chemoattractant protein-1 (MCP-1)/CC-chemokine receptor (CCR)-2 pathway is hypothesized to play a central role. A murine model for vein graft disease was used to study the effect of ...
Arvela E - - 2009
OBJECTIVES: This study aims to evaluate the feasibility of external polyester scaffolding in infrainguinal bypass grafting when available vein material is suboptimal due to varicosity or dilatation. Primary objectives were short-term primary patency, assisted primary patency and secondary patency. Secondary objectives were to assess the rate of graft stenoses, infections ...
Eisenberg Joshua A - - 2009
INTRODUCTION: Surgical revision of failing peripheral arterial bypass grafts has generally been shown to provide superior patency rates compared to balloon angioplasty. We analyzed whether balloon angioplasty, specifically of peri-anastomotic stenoses (PAS), provided acceptable patency rates, because surgery for these lesions is more difficult and is likely associated with higher ...
Kolakowski Stephen S - - 2009
OBJECTIVE: We analyzed our results with percutaneous rotational atherectomy catheters and specifically examined whether they were more likely to be associated with a successful outcome when used to treat smaller diameter vessels such as infrapopliteal (IP) arteries compared to larger diameter femoropopliteal (FP) arteries and infrainguinal arterial autogenous vein grafts ...
Kitamura Soichiro - - 2009
BACKGROUND: The long-term outcome of pediatric coronary artery bypass for patients with severe inflammatory coronary sequelae secondary to Kawasaki disease is unknown. METHODS AND RESULTS: One hundred fourteen children and adolescents ranging in age from 1 to 19 (median, 10) years at operation were followed up for as long as ...
Kobayashi Junjiro - - 2009
The radial artery (RA) graft was revived in late 1980 s when it was found that the graft was patent 13-18 years after coronary artery bypass grafting (CABG) after improvement of the technique in harvesting and the use of calcium-channel blockers. Recently, the RA became a reasonable alternative to the ...
Jones Brandon - - 2009
The purpose of this review is to outline the most common objections about robotic coronary artery bypass graft (CABG), often expressed by cardiac surgeons, cardiologists, and administrators who have little direct knowledge of the procedure. The summarized objections include the high intraoperative costs of robotic versus traditional CABG, a prolonged ...
Kratzberg Jarin A - - 2009
The role of endovascular graft oversizing on risk of distal graft migration following endovascular aneurysm repair for abdominal aortic aneurysm is poorly understood. A controlled in vitro investigation of the role of oversizing in graft-aorta attachment strength for endovascular grafts (EVGs) with barbs was performed. Barbed stent grafts (N = ...
Yamaguchi Shohjiro - - 2009
PURPOSE: We report our initial experience with the PAS-Port proximal anastomosis system (Cardica Inc, Redwood City, CA) using full-skeletonized radial artery (RA) in patients requiring off-pump coronary artery bypass grafting. DESCRIPTION: The PAS-Port system (Cardica Inc) was used in 25 patients undergoing off-pump coronary artery bypass surgery. All patients received ...
Mirensky Tamar L - - 2009
BACKGROUND: Use of prosthetic vascular grafts in pediatric vascular surgical applications is limited because of risk of infection, poor durability, potential for thromboembolic complications, and lack of growth potential. Construction of an autologous neovessel using tissue engineering technology offers the potential to create an improved vascular conduit for use in ...
Auguadro Carla - - 2009
BACKGROUND: Multislice computed tomography (CT) is a promising new noninvasive technique for the detection of atherosclerotic disease within a vessel's wall. The present study was designed to assess the diagnostic accuracy of 64-slice CT in detecting graft disease and in the evaluation of native vessels distally to the grafts. METHODS: ...
Iwami D - - 2009
A 40-year-old woman who had been suffering from type II diabetes mellitus and consequent end-stage renal disease underwent living related kidney transplantation. The graft renal artery was anastomosed to the right internal iliac artery (end-to-end). Postoperative renoscintigraphy demonstrated normal graft perfusion. The serum lactate dehydrogenase level increased abruptly at postoperative ...
Lantelme Pierre - - 2009
Graft-prosthesis and stentgraft placements are effective modalities for treating abdominal aortic aneurysm, but related changes in arterial stiffness are not well established. The present study sought to assess aortic stiffness after aneurism repair by measuring pulse wave velocity (PWV). The graft-related variation of carotid-femoral PWV was compared with that of ...
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