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Gawenda M - - 2010
The indications for endovascular therapy of thoracic aortic pathologies are expanding. The complexity of cases is increasing. The individual anatomy and pathology of the thoracic aorta alone and in combination create specific difficulties in stent graft delivery, deployment, and fixation. Graft design has evolved, and several new iterations of stent ...
Manabe Susumu - - 2010
Some arterial grafts have progressive narrowing or occlusion during the first postoperative year despite angiographic patency in the immediate postoperative period. This study analyzed the incidence and predictors of arterial graft deterioration. We reviewed 778 distal anastomoses of arterial grafts in 243 patients who underwent off-pump coronary artery bypass grafting. ...
Rajathurai Thirumaran - - 2010
BACKGROUND: Neointima formation and atherosclerosis compromise long-term graft patency in aortocoronary and peripheral vein bypass grafts. We investigated the short- and long-term effects of periadventitial application of a sustained-release formulation of rapamycin on experimental pig vein grafts with similar dimensions and kinetics to human saphenous vein bypass grafts. METHODS AND ...
Kim Jeong Tae - - 2010
Case report of a salvaged total scalp, forehead, ear and cheek en-bloc replantation following an industrial avulsion injury with a warm ischaemia time of over 12 h. One arterial and two venous anastomoses using an interposed arterial graft instead of a vein graft was sufficient to produce a successful result. ...
Koch Sabine - - 2010
There is a clear clinical requirement for the design and development of living, functional, small-calibre arterial grafts. Here, we investigate the potential use of a small diameter, tissue-engineered artery in a pre-clinical study in the carotid artery position of sheep. Small-calibre ( approximately 5 mm) vascular composite grafts were molded ...
Lee Yong Sang - - 2010
Although the presence of aggressive angioinvasion is not a contraindication for surgical treatment of well-differentiated thyroid cancer, surgical resection and reconstruction of the major arteries in the neck and mediastinum using a synthetic graft is rarely performed. We present our experience of resection and reconstruction of the major arteries in ...
Vander Salm Thomas J - - 2010
Bleeding from an aortic suture line or cannula site may be difficult to control, especially in the patient with a fragile or dilated aorta. This method of wrapping a vascular graft around the aorta to relieve tension on the suture line and control bleeding is simple and effective, and it ...
Manabe Susumu - - 2010
BACKGROUND: Composite grafting is a useful technique that avoids the need for aortic manipulation and enables a wide range of target vessels to be revascularized, effectively using the limited arterial grafts available. However, it has not been clarified whether composite grafting can achieve angiographic outcomes equivalent to those obtained with ...
Alomari Ahmad I - - 2010
The author reports a case of a successful retrieval of a stent-graft in a young patient with a femoral dialysis graft. The stent-graft was used to treat a resistant occluded segment of the arterial limb of the graft. However, the stent-graft was inadvertently deployed partially into the superficial femoral artery. ...
Yi Gijong - - 2010
BACKGROUND: The ideal conduit for the right coronary artery (RCA) is yet to be determined. The purpose of this study was to compare the clinical results between the right internal thoracic artery (RITA) in situ with free saphenous vein (SV) graft for RCA in off-pump coronary artery bypass graft surgery ...
Wiklund Lars - - 2010
OBJECTIVE: Our objective was to perform a prospective randomized trial to evaluate the clinical and angiographic outcomes of a second-generation anastomotic device used for saphenous vein grafts. METHODS: Patients undergoing nonemergency isolated coronary artery bypass grafting at 3 centers from August 2003 to December 2004 with at least 2 saphenous ...
Meisel Simcha R - - 2010
To evaluate tissue factor (TF) expression in vein grafts interposed in the arterial circulation of hypercholesterolemic rabbits. Veins implanted in the arterial circulation of normocholesterolemic rabbits respond by inflammation and infiltration by monocytes with transient TF expression. In a hypercholesterolemic milieu these monocytes may differentiate into macrophages capable of enhanced ...
Chen Zhi - - 2010
OBJECTIVE: Improvement of vein graft patency may be highly beneficial in coronary artery bypass grafting, but graft degeneration is considered to be one of the main pathophysiologic causes for vein graft failure. Because peroxisome proliferator-activated receptor-gamma activator pioglitazone was recently reported to possess pleiotropic protective effects on various organs and ...
Kieser Teresa Mary - - 2010
This study was undertaken to evaluate transit-time flow (TTF) as a tool to detect technical errors in arterial bypass grafts intra-operatively and predict outcomes. TTF's three parameters, pulsatility index (PI, index of resistance), flow (cc min(-1)) and diastolic filling (DF, proportion of diastole with coronary flow), were measured in 990/1000 ...
Huijbregts H J T A M - - 2010
OBJECTIVES: Cryoplasty combines conventional angioplasty - percutaneous transluminal angioplasty (PTA) - with cold thermal energy. In this animal study, we investigated if preventive cryoplasty could reduce intimal hyperplasia (IH) at the venous anastomosis. DESIGN: We investigated cryoplasty versus PTA of the venous anastomosis in a validated porcine, bilateral, arteriovenous graft ...
Kim Ki-Bong - - 2010
OBJECTIVE: We performed early postoperative angiography to assess anastomosis accuracy and patency after off-pump coronary artery bypass grafting. METHODS: One thousand three hundred forty-five patients who underwent off-pump coronary artery bypass grafting between January 1998 and December 2007 were studied. Grafts for distal anastomoses were left internal thoracic artery (n=1281), ...
Ochiai Yoshie - - 2010
Reflecting excellent mid-term outcomes, extracardiac conduit Fontan procedure (ECFP) using Gore-Tex tube graft has been performed with increasing frequency in patients with functional single ventricle. Nevertheless, due to the lack of growth potential of the artificial conduit, the status of the venous pathway along with somatic growth is a continuing ...
Nordon Ian M - - 2010
PURPOSE: To examine the feasibility of an "off-the-shelf" fenestrated endograft repository to broaden the applicability of fenestrated endovascular aneurysm repair (f-EVAR) to a greater number of emergent cases. METHODS: Graft dimensions of 438 consecutive customized fenestrated endografts for juxtarenal aneurysms were obtained from the commercial manufacturer, classified into tolerance ranges, ...
Ryu Ho-Geol - - 2010
BACKGROUND: We examined the effect of norepinephrine infusion on blood flow in Y-composite right gastroepiploic artery grafts after off-pump coronary artery bypass grafting. METHODS: Enrolled were 28 patients who were scheduled for revascularization with a Y-composite graft (end-to-side anastomosis of the right gastroepiploic artery to the in situ left internal ...
Cheng Lijian - - 2010
The objective is to present a method for maintaining the spinal cord blood supply and our midterm results for using a tetrafurcate graft in extensive thoracoabdominal aortic aneurysm (TAAA) repair. From August 2003 to October 2007, we used a tetrafurcate graft to perform repairs to TAAAs of Crawford extent II ...
Rescigno Giuseppe - - 2010
Poor quality veins may result in early graft failure after coronary artery bypass grafting. Vein remodelling by means of external scaffolds has been attempted by various products. Here, we describe our use of a new external mesh support that is generally used in peripheral vascular bypasses in order to remodel ...
Rabellino M - - 2010
The conventional elective open procedures for abdominal aortic aneurysm repair are reliable and yield durable results. The aortoaortic tube graft has the lowest morbidity incidence when compared with different techniques. Albeit infrequent, thrombosis can be present in the first 30 days. Its treatment consists in thrombectomy and anastomosis evaluation, but ...
Bekler Halil Ibrahim - - 2010
OBJECTIVES: Autologous interpositional vein grafts are used in peripheral arterial bypass procedures. Sudden exposure of vein grafts to arterial blood pressure is associated with increased wall tension leading to overdistension of the graft and changes in flow patterns. Overdistension of vein grafts often results in anastomotic leaks, thrombosis, and loss ...
Lobo Filho José Glauco - - 2010
The use of a composite graft with left internal thoracic artery (LITA) and arterial or saphenous vein (SV) grafts can allow the complete revascularization of the left coronary system (LCS) without cardiopulmonary bypass (CPB) and without ascending aorta manipulation (AAM), in order to reduce some complications in the immediate postoperative. ...
Zubair Alia - - 2010
Recent clinical and histopathologic data suggests that inflammation plays a key role in coronary artery plaque instability and subsequent occlusive thrombosis. The intima has received much attention as a site of inflammation, while the adventitia has remained relatively unexplored. The aim of the present study was to investigate the frequency ...
Bassiri Hossein Ali - - 2010
The long-term success of coronary artery bypass graft surgery (CABG) is dependent on graft patency after the operation. Early occlusion (within the first week) affects the long-term results. Therefore, we sought to determine pre-operative, intraoperative, and perioperative factors associated with early coronary graft patency. Between March 2007 and March 2008, ...
Masoumi Mohammad - - 2010
Coronary artery disease (CAD) is a leading cause of morbidity and mortality in the world. Determination of the risk factors and high risk groups plays an important role in the prevention and controlling programs. The present study aims to determine the relationship between opium consumption and severity of CAD. In ...
Erdil Nevzat - - 2010
We retrospectively evaluated early clinical results of coronary revascularization using none but arterial grafts in patients aged 65 years and older. The cases of 449 consecutive patients who had undergone isolated myocardial revascularization were divided into 2 groups: the arterial conduit group (n=107) received a left internal mammary artery (LIMA) ...
de Mulder M - - 2010
Background. The current treatment of choice in patients with three-vessel coronary disease is coronary artery bypass grafting. The use of the left internal mammary artery in bypass grafting has shown superior long-term outcomes compared with venous grafting. In our study we assess the safety and feasibility of all-arterial coronary artery ...
Wake Ryotaro - - 2010
An 80-year-old Japanese man was admitted with orthopnea and pitting edema of both lower legs. We diagnosed congestive heart failure (CHF) on the basis of a chest X-ray and an echocardiogram. An electrocardiogram showed a heart rate of 120 beats/min with atrial fibrillation rhythm (Af). The patient developed aortic valve ...
Ramos Paulo Müller - - 2010
Peripheral arterial disease is a severe manifestation of atherosclerosis that can lead to critical ischemia of the lower limbs and is also associated with high cardiovascular risk. Diagonal lobular and anterior tragal ear creases have been associated with coronary artery disease, but they have not yet been investigated in patients ...
Sarzaeem Mahmood Reza - - 2010
The initial and long-term benefits of coronary artery bypass grafting depend upon maintaining the coronary blood flow supplied by the graft. In order to devise a scoring system for predicting graft patency, we evaluated presumptive correlations between saphenous vein graft patency and the characteristics of saphenous veins that were used ...
Mert Murat - - 2010
Several alternative procedures have been proposed to achieve complete revascularization in the presence of diffuse left anterior descending coronary artery (LAD) disease. With the extensive use of internal thoracic artery grafts in coronary artery bypass procedures, sequential anastomosis of the left internal thoracic artery (LITA) to LAD has gained popularity ...
McAllister Todd T Cytograft Tissue Engineering Inc., Novato, CA, - - 2010
There is a considerable need for alternatives to the autologous vein and artery tissues used for vascular reconstructive surgeries such as CABG, lower limb bypass, arteriovenous shunts and repair of congenital defects of the pulmonary outflow tract. So far, synthetic materials have not matched the efficacy of native tissues, particularly ...
Ahmed Maqsood M Centre for Mathematics and Physics in the Life Sciences and Experimental Biology (CoMPLEX), Division of Surgery and Interventional Science, University College London, UK. - - 2010
Small calibre (⟨6mm) polytetrafluoroethylene (PTFE) bypass grafts have poor medium and long term patency due to the development of neointimal hyperplasia at the distal anastomosis. The inelasticity of PTFE is implicated in this mechanism of failure. We have developed a novel polyhedral oligomeric silsesquioxane (POSS) nanocage incorporated into a poly(carbonate)urethane ...
Onorati Francesco - - 2010
INTRODUCTION: Intraoperative flowmetric results of different configurations (Y-graft or aorta-coronary) of radial artery grafts have been poorly investigated. METHODS: We report the results of an observational study designed to analyze transit-time flow measurements at baseline and during 1:1 intra-aortic balloon pumping in 114 consecutive patients receiving the radial artery as ...
Eefting Daniel - - 2010
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 ...
Viola Nicola - - 2010
OBJECTIVE: Pediatric coronary artery bypass grafting is uncommon. Small target vessels and appropriate conduit choice are the main technical challenges. METHODS: Fourteen patients undergoing coronary artery bypass grafting from January 1986 to December 2008 were retrospectively reviewed. RESULTS: Median age was 10 years (range, 3-15 years); median weight was 36 ...
Wu I H - - 2009
OBJECTIVES: To examine the incidence and risk factors of intraprosthetic thrombotic deposits in abdominal aortic endografts. METHODS: The clinical records of 51 patients (44 males; mean age 76.3 years, range: 63-90 years) with abdominal aortic aneurysm treated with transfemoral implantation of bifurcated stent graft between the years 2002 and 2008 ...
Sareyyupoglu Basar - - 2009
BACKGROUND: Saphenous vein graft (SVG) aneurysms (SVGAs) after coronary artery bypass grafting (CABG) occur rarely. Most reports are anecdotal. To determine early and late outcomes of surgical treatment, we reviewed our experience with management of this rare complication of surgical revascularization. METHODS: From July 1975 to October 2007, 16 patients ...
Ito Toshiaki - - 2009
We herein report a new technique that we term "foldback plasty" for stenosis-free proximal anastomosis of free arterial grafts without using any other interposition materials. The arterial graft is first anastomosed to the aorta in side-to-side fashion, leaving 1 cm of remnant tissue at the proximal end. The reverse side ...
Tinder Chelsey N - - 2009
The prediction of infrainguinal vein bypass failure remains an inexact judgment. Patient demographics, technical factors, and vascular laboratory graft surveillance testing are helpful in identifying a high-risk graft cohort. The optimal surveillance program to detect the bypass at risk for imminent occlusion continues to be developed, but required elements are ...
Vaknin-Assa Hana - - 2009
The MGuard stent has been designed as a plaque trapping device to treat athero-thrombotic lesions in saphenous vein grafts and native coronary lesions. It was utilized in seven coronary bypass patients to treat eight vein grafts. The average graft age was 15 years. Procedural success was 100% without any intraprocedural, ...
Achouh Paul - - 2010
OBJECTIVE: The aim of this study was to assess the angiographic results of the radial artery as a coronary bypass conduit at long term (>5 years). METHODS: Radial artery grafts were controlled in 202 patients at 10.1 years by conventional angiography (n = 79) and computed tomography (n = 123). ...
Yamamoto Yoshitaka - - 2010
We present a case in which a redo patient in whom advanced gastric cancer was detected after coronary artery bypass grafting (CABG) using the right gastroepiploic artery (RGEA), and in which re-grafting to the distal RGEA using the right internal thoracic artery (RITA) was performed. To minimize the surgical invasion ...
Knight Joseph - - 2010
OBJECTIVES: The Cabrol procedure is characterized by insertion of an ascending aortic composite graft with reimplantation of the coronary arteries by the interposition of a graft tube. Our purpose is to report the clinical long-term follow-up and computed tomographic findings in patients having undergone the Cabrol procedure and to determine ...
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 radial artery (RA) improves conduit patency in coronary artery bypass grafting (CABG). Altogether 15 papers were found using the reported search, of which four papers represented the best ...
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 right gastro-epiploic artery (RGEA) improves graft patency in coronary artery bypass grafting (CABG). Altogether >25 papers were found using the reported search, of which 11 papers represented the ...
Luo Chwan-Yau - - 2010
A secondary aortoenteric fistula (SAEF) is relatively rare after abdominal aortoiliac reconstructive surgery. Most SAEFs are associated with a graft prosthesis, and rectum involvement is rarely reported. We report a rectal SAEF after aortoiliac aneurysmorrhaphy, i.e., oversewing the artery without a graft. A 62-year-old man had an appendicitis-related infected right ...
Akan Mithat - - 2009
We report a different type of microvascular end-to-side anastomosis using "open-Y" technique to increase small recipient vessel size and provide eversion of the vessel ends in end-to-side anastomosis. The purpose of this study was to compare the effectiveness of this technique with conventional end-to-side vessel anastomosis. Twenty rats were used ...
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