Search Results
Results 201 - 250 of 1137
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Svensson Lars G - - 2006
OBJECTIVE: To determine whether adding right internal thoracic artery to previous left internal thoracic artery bypass at reoperation increases deep sternal wound infection and hospital mortality, particularly in diabetic patients. METHODS: Reoperations (n = 2875; 2381 men) in patients with previous left internal thoracic artery bypass were performed between January ...
Bonatti Johannes - - 2006
We report a case of a 53-year-old female patient with isolated left main coronary artery stenosis in whom a completely endoscopic double coronary artery bypass grafting (CABG) procedure was performed. The operation was carried out on the arrested heart. A right internal mammary artery graft was sutured to the left ...
Tomos Periklis - - 2006
Suppuration, mediastinitis, and disruption of median sternotomy are all rare, but nevertheless severe complications. We propose a simple mobilization of the two pectoralis major muscles for use as flaps to fill the sternal defect without the need for humeral detachment or a second cutaneous incision. These will be supplied from ...
Dusek Jaroslav - - 2006
Ischemia modified albumin (IMA) is a new biochemical marker of ischemia. IMA levels rise in patients who develop ischemia during percutaneous coronary intervention (PCI). It is unclear whether IMA elevations correlate with PCI variables. The possible prognostic value of post-PCI IMA elevation has not yet to be studied. METHODS: We ...
Iyem Hikmet - - 2006
The preservation of pleural integrity during mammary artery harvesting may decrease atelectasis and pleural effusion during the postoperative period. We designed this retrospective study to evaluate the effects on postoperative pulmonary function of pleural integrity versus opened pleura, in patients who receive a left internal mammary artery graft. The study ...
Miyayama Shiro - - 2006
PURPOSE: To evaluate the incidence of each extrahepatic collateral pathway to hepatocellular carcinoma (HCC) and to assess technical success rates and complications of transcatheter arterial chemoembolization (TACE) through each collateral. METHODS: We retrospective evaluated extrahepatic collateral pathways to HCC on angiography in 386 procedures on 181 consecutive patients. One hundred ...
Charitou Alexandros - - 2006
At present, there is limited reported literature on the use of the magnetic anastomotic device Ventrica MVP in the coronary artery bypass surgery setting. The device has been primarily used to perform distal coronary anastomoses. We report for the first time the novel use of this magnetic coupling device as ...
Mayuga Kenneth A - - 2006
BACKGROUND: The interrupted suture technique in creating graft-coronary artery anastomoses in coronary artery bypass graft (CABG) surgery is hypothesized to be superior to the standard continuous technique. However, because of the increased time and knot tying involved with the interrupted technique, the continuous suture became standard. In 2000, the U-clip ...
Boodhwani Munir - - 2006
BACKGROUND: Traditional harvesting of the internal thoracic artery (ITA) for use as a conduit in coronary bypass surgery involves the dissection of a rim of tissue surrounding the artery on either side. Recent studies, primarily observational, have suggested that skeletonization of the ITA can improve conduit flow, increase length, and ...
Deng Yongzhi - - 2006
The feasibility and safety of total arterial coronary revascularization with 2 arterial conduits in patients with impaired left ventricular function was evaluated. Data were prospectively collected on all patients with multiple vessel discase and moderately or severely impaired left ventricular function, who underwent coronary surgery with the intention of total ...
Athanasiou Thanos - - 2006
BACKGROUND: The aim of our study was to evaluate the feasibility of using the Ventrica MVP device to perform proximal anastomoses as part of the clampless off-pump coronary artery bypass (OPCAB) arterial revascularization procedure. METHODS: We present our preliminary experience of these first nine coronary artery cases performed in the ...
Aksungar Fehime Benli - - 2006
In this study, basal and thrombin-stimulated release of nitric oxide and endothelin-1 in the internal mammary artery and the radial artery were measured, together with superoxide radicals generated after anoxia and reoxygenation. Arterial segments were obtained from patients undergoing coronary bypass operations. Quantification of nitric oxide was performed by measuring ...
Eren Ercan - - 2006
In situ right internal mammary artery is the graft of choice in reoperative off-pump coronary artery bypass grafting, as well as in primary on-pump coronary artery bypass grafting, unless the vessel has been used previously. However, there are not enough data about postoperative angiographic findings of the in situ right ...
Taggart David P DP Nuffield Dept of Surgery, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DU, UK. - - 2006
Standard coronary artery bypass graft surgery uses a single internal mammary artery and supplemental vein or radial artery grafts. Several observational studies have suggested a survival benefit with two internal mammary artery grafts compared to a single internal mammary artery graft, but this has not been tested in a randomised ...
Grapow M T R - - 2005
BACKGROUND: Previous functional studies on human internal thoracic arteries, comparing the effect of the traditional harvesting method (occlusion with a clip) with a method leaving the artery perfused, revealed considerably impaired endothelial function associated with enhanced contractility after clipping. We have now investigated whether these observations could be correlated (1) ...
Izumoto Hiroshi - - 2005
The aim of this study was to determine the most efficient design of composite grafts and clarify the technical feasibility rate of composite grafting using internal thoracic artery exclusively in patients undergoing triple-vessel revascularization. Retrospective analysis of 104 consecutive patients was carried out. An in situ left internal thoracic artery ...
D?nmez Asli - - 2005
OBJECTIVE: To investigate the effects of stellate ganglion blockade (SGB) on the internal mammary (IMA) and radial arteries (RA) in patients undergoing coronary artery bypass graft (CABG) surgery with in vivo and in vitro studies. DESIGN: Prospective, randomized trial. SETTING: University hospital. PARTICIPANTS: Thirty-seven patients undergoing CABG surgery. INTERVENTIONS: SGB ...
Oster Hartmut - - 2005
BACKGROUND: Conventional coronary bypass surgery applies single internal mammary arteries and saphenous vein graft conduits for revascularization of occluded coronary arteries. While the use of saphenous vein grafts is limited by early graft occlusion, little data exist on clinical experiences with complete arterial revascularization. PATIENTS AND METHOD: From January 2003 ...
Khan Omar A - - 2005
OBJECTIVE: Previous studies in humans and animals have suggested that undernutrition in utero and in early post-natal life may lead to altered vascular function in a number of peripheral arteries. We investigated the effect of pre- and post-natal nutrient restriction on the vascular reactivity of the left internal thoracic artery ...
Abdo Nasser - - 2005
This case presents the controversy over coronary artery steal syndrome following bypass surgery when a large branch of the left internal mammary artery (LIMA) is not ligated. A discussion of previous attempts to understand the physiology of this anatomy is compared with case reports of objective evidence for ischemia that ...
Zeitani Jacob - - 2005
Severe chronic obstructive pulmonary disease with large lung volumes may prevent both the "in situ" internal thoracic arteries to reach coronary anastomoses sites. We present a method to revascularize the left antero-lateral myocardial wall using the right internal thoracic artery as a "free graft" anastomosed side to end to the ...
Marín-Guzke M - - 2005
In the present study we analyzed the anatomical basis for the use of the pectoralis major muscle based on alternative pedicles in order to evaluate its clinical applications in cases of potential lesion of the internal thoracic artery. The patterns of blood supply depending on the internal thoracic artery, previously ...
Damgaard Sune - - 2005
PURPOSE OF REVIEW: To describe recent results regarding the use of the internal mammary artery for coronary artery bypass grafting with emphasis on bilateral internal mammary artery grafting, patency, resistance to atherosclerosis, skeletonisation, composite arterial grafts, flow measurement, vasodilatation, and non-invasive imaging techniques. RECENT FINDINGS: Coronary artery bypass grafting plays ...
Chowdhry T M F - - 2005
OBJECTIVE: The aim of this study is to evaluate the mid-results of the use of the radial artery alongside the internal mammary artery for complete arterial revascularization in elective and nonelective coronary bypass graft surgery. METHODS: All patients undergoing coronary artery surgery alone over a 3-year period with disease of ...
Passey Rajiv - - 2005
The left internal mammary artery is frequently employed as a conduit in coronary bypass surgery. We report a 42-year-old male post-coronary artery bypass grafting patient with, angina on exertion who was found to have multiple atrioventricular fistulae arising from left internal mammary artery to pulmonary vasculature leading to coronary steal ...
Tarr Ferenc I - - 2005
BACKGROUND: The endothelium of the internal mammary artery produces nitric oxide in greater quantity than other vessels employed in revascularization of the ischemic myocardium. The aim of this study was to measure the concentration of stable metabolite (nitrite) of the endothelium-derived nitric oxide in the venous drainage (anterior interventricular vein) ...
Budde Ricardo P J - - 2005
OBJECTIVE: During application of a distal coronary bypass connector, we employed 13 MHz epicardial ultrasound to evaluate quantitative caliper measurements for vessel size matching and to assess anastomosis quality after connector deployment. METHODS: Two S(2)AS connector anastomoses were constructed on ex vivo pressure-perfused porcine hearts. Epicardial ultrasound measurements of the ...
Tengiz Istemihan - - 2005
Percutaneous coronary intervention through a tortuous left internal mammary artery (LIMA) graft, especially with redundancy in length is a challenge in spite of availability of different types of coated guidewires and low-profile balloons. Various modifications of the interventional technique are required in order to negotiate the tortuosity of the LIMA ...
Parvaiz Imran - - 2005
BACKGROUND: Coronary artery bypass graft surgery with total arterial revascularization, particularly the use of bilateral in situ internal thoracic arteries, is considered an improved treatment of patients with ischemic heart disease. The sling operation connects the internal thoracic arteries with the radial artery, creating an arterial arcade with double inlet ...
Rathinam Sridhar - - 2005
Resternotomy in the presence of a patent internal mammary artery graft poses an addition hazard to the reoperation. We describe a situation in which the patent mammary artery graft to the left anterior descending artery was severed and retracted during sternal reentry for an aortic valve replacement. We illustrate a ...
Weerasinghe Arjuna - - 2005
Minimally invasive direct coronary artery bypass grafting utilising an anterior mini-thoracotomy has traditionally been limited to surgical revascularisation for single or double vessel coronary disease. The widespread use of percutaneous coronary intervention has further limited the use of this technique. Minimally invasive direct coronary artery bypass grafting offers the advantage ...
Behranwala Ali Asgar - - 2005
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether skeletonised internal mammary artery (IMA) is better than pedicle IMA in coronary artery bypass grafting? Altogether 106 papers were found using the reported search, of which 12 presented the best evidence ...
Nasso Giuseppe - - 2005
INTRODUCTION AND BACKGROUND: Myocardial revascularization using internal thoracic arteries (ITAs) has been associated with superior clinical outcome. This study addresses the question of whether internal mammary arteries are unsuitable for grafting due to radiation-based damage in patients with history of thoracic radiation therapy. We review our experience in this subset ...
Dursun Memduh - - 2005
OBJECTIVE: To measure the distances between the internal mammary arteries (IMAs) and the sternum for determining a route for parasternal transthoracic interventions. METHODS: Coronal reconstructed multidetector computed tomography images of 202 patients were evaluated to measure the distances between the IMAs and sternum at 3 levels (manubrium, midsternal corpus, and ...
Bostan Ozlem M - - 2005
A three-month-old girl was referred to pediatric cardiology unit for evaluation of mild cyanosis and murmur. Chest roentgenogram revealed a boot-shaped heart. Echocardiography demonstrated subaortic ventricular septal defect, aortic override and infundibular stenosis. Then, the patient diagnosed as tetralogy of Fallot (TOF). Cardiac catheterization and angiocardiography revealed infundibular narrowing, hypoplasia ...
Takach Thomas J - - 2005
BACKGROUND: In patients with coronary artery disease, concomitant brachiocephalic disease may affect outcome and influence decision making regarding operative staging, technique, and choice of conduit. METHODS: Eighty consecutive patients (mean age, 59.3 years; 60.0% male) with concomitant brachiocephalic and coronary artery disease were identified either before (group A, n = ...
Karthik Shishir - - 2005
BACKGROUND: The effect of using the left internal mammary artery in combined coronary and valve operations have not been fully investigated. We aimed to quantify the impact of the left internal mammary artery to the left anterior descending artery on early and mid-term outcomes in these patients. METHODS: Data was ...
Mohan Pradeep S - - 2005
Pectus excavatum is a chest wall deformity that commonly warrants pediatric surgical correction for cosmesis or respiratory impairment via sternotomy. The repair typically consists of sternal wedge osteotomy and subsequent placement of a Steinman pin across the sternum with fixation to the ribs bilaterally. Coronary artery bypass grafting (CABG) after ...
Chowdhry Mohammed F - - 2005
BACKGROUND AND AIM OF THE STUDY: Coronary venous arterialization with a catheter-based system has renewed interest in this therapy for the revascularization of areas that cannot be treated by conventional coronary artery bypass graft or angioplasty. However, the durability of the venous system to supply arterial pulsatile blood is still ...
Saxena Pankaj - - 2005
Use of internal thoracic arteries in coronary artery bypass surgery has become universal. Skeletonized internal thoracic artery is useful in coronary artery surgery for sequential anastomosis as it also provides a long length of graft. Skeletonizing the conduit is technically more difficult than harvesting it as a pedicle graft. We ...
Cetin Gürkan - - 2005
A 33-year-old woman who had undergone a Cabrol-type aortic root replacement for acute aortic dissection during labor 27 months ago was admitted with chest pain. Electron-beam tomography and coronary angiography showed stenosis at the level of the anastomosis. Urgent coronary revascularization was performed using bilateral internal mammary artery grafts. Although ...
Guzik T J - - 2005
Venous bypass grafts are more prone to accelerated atherosclerosis than arterial grafts, which is partly related to increased oxidative stress and diminished nitric oxide bioavailability. In veins superoxide production is dependent primarily on nox2 NAD(P)H oxidase expression, while in arteries nox4 appears to play an important role. This may in ...
Lakkireddy Dhanunjaya R - - 2005
A 53-year-old male who underwent three-vessel coronary artery bypass grafting had a left internal mammary artery (LIMA) graft to the left anterior descending artery (LAD) and saphenous venous grafts to right coronary artery (RCA) and left circumflex coronary artery. Four years after surgery, he developed exertion angina associated with upper ...
Sivalingam Sivakumar - - 2005
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was which (if any) vasodilator prevents spasm of the internal mammary artery in patients undergoing coronary artery bypass grafting. Two hundred papers were found using the reported search, of which 13 represented the ...
Di Mauro Michele - - 2005
BACKGROUND: We evaluated the early and late outcomes of bilateral internal mammary artery (BIMA) grafting, with or without saphenous vein grafts (SVGs), compared to single internal mammary artery and SVGs in patients < 70 years undergoing first myocardial revascularization. METHODS: From September 1986 to December 1999, 1389 patients underwent first ...
Raja Shahzad G - - 2005
The internal thoracic artery has been the most reliable graft material used in coronary artery bypass grafting with an excellent long-term patency rate. Complete myocardial revascularization with internal thoracic arteries improves long-term survival and decreases the rate of repeat operations compared with vein grafts. Adequate length of the graft in ...
Banerjee Deepak - - 2005
We report the case of a patient who had undergone a three-vessel coronary artery bypass graft surgery 6 years earlier, during which the left internal mammary artery was erroneously anastomosed to an epicardial vein instead of the intended target, an intramyocardial left anterior descending artery. Visually distinguishing artery from vein ...
Rosson Gedge D - - 2005
Microsurgeons currently employ the internal mammary artery and vein as recipient vessels for microvascular reconstruction of the breast with increasing frequency. Recent reports have demonstrated that the perforating branches of the internal mammary artery and vein can also be used as recipient vessels. The purpose of the following cadaver study ...
Falcoz Pierre-Emmanuel - - 2005
BACKGROUND: The choice of myocardial revascularization strategy for the right coronary artery (RCA) in patients with multivessel disease and chronic stable angina remains controversial. Our aim was to determine the better strategy-hybrid, combining bypass of the left coronary network and percutaneous coronary intervention of the RCA, or exclusively surgical-and if ...
Stauder N I - - 2005
The objective of this study was to evaluate graft flow (f) and patency (p) in patients with internal mammary artery (f,p) and venous (p only) grafts using a combined MR protocol with phase-contrast technique and MR angiography. 42 patients with 42 left internal mammary artery (LIMA) and 63 venous grafts ...
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