Search Results
Results 501 - 550 of 1682
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Macnab A - - 2004
Atrial en-face reconstructions are commonly used to assess mitral valve morphology in three dimensional (3D) echocardiography but may miss important abnormalities. To present a systematic method for the analysis of the regurgitant mitral valve using a combination of en-face and longitudinal views for better anatomical evaluation. Detailed 3D assessment was ...
Nowicki Edward R - - 2004
BACKGROUND: Predicting risk for aortic and mitral valve surgery is important both for informed consent of patients and objective review of surgical outcomes. Development of reliable prediction rules requires large data sets with appropriate risk factors that are available before surgery. METHODS: Data from eight Northern New England Medical Centers ...
Kudo Mikihiko - - 2004
A successful resection of left ventricular tumor in an 82-year-old woman who had undergone coronary artery bypass grafting ten years ago is presented. In an attempt to make a procedure less invasive, we chose a trans-mitral endoscopic resection with minimum dissection because of reoperation on patient of advanced age. With ...
Nakajima Hiroyuki - - 2004
In patients with partial anomalous pulmonary venous connection (PAPVC) to the superior cavoatrial junction, the standard right-sided left atriotomy does not allow sufficient access to the mitral valve and the left atrium. And the injury and traction of the sinus node and sinus node artery should be avoided for prevention ...
Butany Jagdish - - 2004
Synthetic sutures are used for mitral valve repair and as synthetic chordae tendinae to resuspend the mitral valve. The sutures soon get covered with connective tissue and work well for long periods. We report the first instance (in the literature) of rupture of a synthetic (PTFE) chordae tendinae. The synthetic ...
Fergus Icilma - - 2004
During the past 20 years, transesophageal echocardiography (TEE) became an important diagnostic technique. Indications for TEE include: defining the cause and severity of native valve disease, particularly mitral regurgitation; detecting vegetations and other sequelae of endocarditis; assessing prosthetic valve function; and identifying a potential cardiac source for emboli.(1) TEE is ...
Völler Heinz - - 2004
In establishing the indication for anticoagulation of patients with native heart valve disease, those with thromboembolic events and/or atrial fibrillation (AF) must be distinguished from patients with sinus rhythm. Anticoagulation should be started as a matter of principle in patients with thromboembolic events and/or AF who do not undergo valve ...
Masroor Saqib - - 2004
Left ventricular (LV) rupture is an infrequent but potentially lethal complication of mitral valve replacement and repair. We report the case of an 82-year-old man who underwent mitral valve replacement and the repair of an atrial septal defect. Both valve leaflets were excised and the annulus was extensively decalcified, followed ...
Yusuf M M - - 2004
Prosthetic valve thrombosis (PVT) is classically a cardiothoracic surgical emergency. Case series, however, report thrombolysis as first line management for PVT. A case of mitral PVT treated successfully with thrombolysis is described. Immediately after thrombolysis a trivial paraprosthetic leak noted on pretreatment transoesophageal echocardiography had increased significantly in severity. The ...
Pate Gordon - - 2004
A 75-year-old man had a significant mitral paravalvular leak following unsuccessful mitral valve repair at age 71 years and mitral valve replacement two years later. He was referred for percutaneous closure, which was performed with an atrial septal defect occluder device. Subsequently, a small residual leak was closed with an ...
Kollar Andras - - 2004
A case of early neo-aortic root abscess following a Ross operation in a 3(1/2)-year-old child is described. The infection destroyed neo-aortic wall with two of the semilunar leaflets detached, and the abscess cavity extended across the intervalvular fibrous body into the left atrium and onto the native mitral valve creating ...
Mihaljevic Tomislav - - 2004
BACKGROUND AND AIM OF THE STUDY: Mitral valve repair has been shown superior to valve replacement for the treatment of non-infectious valve disease. The criteria and results of valve repair for native valve endocarditis are still being defined. The study aim was to examine the short- and long-term results of ...
Güden Mustafa - - 2004
The study aims to discuss annular repair using the autologous pericardial patch in cases with severe mitral ring calcification and endocarditis during mitral valve replacement. In the study, annular reconstruction was applied, during mitral valve replacement, to 8 patients who had extensive annular calcification or annular destruction due to endocarditis. ...
Duong Truong - - 2004
We report two cases of severe intravascular hemolysis (IVH) following mitral valve repair using a Cosgrove-Edwards ring. In both cases, the degree of mitral regurgitation (MR) seen postoperatively worsened significantly compared to intraoperative transesophageal echocardiogram. Both patients required reoperation with mitral valve replacement with immediate resolution of the hemolysis. We ...
Sumner Andrew D - - 2004
A 49-year-old man was admitted in transfer for further management of a pulmonary embolism (PE) and possible mitral valve vegetation. Transthoracic echocardiography performed at our institution showed evidence of right ventricular (RV) enlargement and dysfunction. Within the right atrium was a serpentine mobile thrombus which traversed the interatrial septum at ...
Fasol Roland - - 2004
Ventricular wall rupture after mitral valve replacement is an infrequent but dreaded complication. We have experienced this problem in two separate instances of type III left ventricular rupture and report the successful repair by a novel technique with the use of a new sealant, the AdvaSeal (FocalSeal), in a sandwitch ...
Masuda Munetaka - - 2004
BACKGROUND: Mechanical prosthesis is the choice of valve at the mitral position in children, although re-replacement of prostheses because of prosthesis-patient mismatch is almost inevitable when prostheses were implanted in small children. The methods to predict prosthesis-patient mismatch as a result of patients' somatic growth or pannus formation in children ...
Borenstein N - - 2004
To report the successful surgical management (open mitral commissurotomy, OMC) of mitral stenosis (MS), incorporating heart-beating cardiopulmonary bypass (CPB), in a 1-year-old dog. Clinical case. One-year-old Cairn Terrier with MS. Diagnosis of MS was confirmed by means of 2-dimensional, continuous-wave and color-flow Doppler echocardiography. Surgery was performed through a left ...
Fucci Carlo - - 2004
We report a case of severe Barlow's disease with a very complex pathology, in which we applied the "edge-to-edge" technique, creating a triple-orifice mitral valve. Different techniques should be used to correct a similar valve defect; the combination of different surgical procedures and the valve pathology may influence the post-repair ...
Bernabeu Eduardo - - 2004
Traumatic rupture of intracardiac structures is an uncommon phenomenon although there are a number of reports with regards to rupture of the tricuspid, mitral and aortic valves. We report the case of a 25-year-old patient who presented with acute aortic and mitral valve regurgitation of traumatic origin. Both lesions were ...
Jelic Tomislav M - - 2004
We have found that nanobacteria, recently discovered Gram-negative atypical bacteria, can cause local calciphylaxis on the mitral valve in a setting of high-calcium X phosphorous product in the blood. We present the case of a 33-year-old man with diabetic renal failure on continuous ambulatory peritoneal dialysis who died as a ...
Sakaguchi Hidehito - - 2004
The surgical approach to ischemic mitral regurgitation with concomitant inferior left ventricular aneurysm remains uncertain in terms of the indication for operation and the short- and long-term outcomes. We performed concomitant mitral valve repair, left ventricular reconstruction, and aortic valve replacement on a 71-year-old male with severe ischemic mitral regurgitation, ...
Aoka Yoshikazu - - 2004
Accessory mitral valve (AMV) is a rare cause of left ventricular outflow tract (LVOT) obstruction and is extremely rare in adults. We report a case of an older adult with an AMV that caused severe LVOT obstruction. A parachute-like piece of tissue (the AMV) protruding into the LVOT during systole ...
Kadoi Yuji - - 2004
We report a case of acute thrombosis formation in the left atrium 3 days after the discontinuation of warfarin therapy prior to mitral valve replacement in a patient with mitral stenosis and atrial fibrillation. A 58-year-old Asian female patient was scheduled for mitral valve replacement for mitral stenosis. She had ...
Dardas Petros S - - 2004
BACKGROUND AND AIM OF THE STUDY: Despite the effect of mitral valve repair in left ventricular (LV) function having been extensively studied, investigations of left atrial (LA) performance indices are minimal. This prospective study was undertaken to analyze LA volumes, function and work in patients with chronic mitral valve regurgitation ...
Saunders Paul C - - 2004
Triangular resection is a reconstructive option for treatment of anterior leaflet mitral disease with segmental prolapse. In our experience, it is a safe and reproducible technique, associated with low rates of recurrent MR or need for reoperation, as well as decreased likelihood for systolic anterior motion after mitral repair. We ...
Shuhaiber Jeffrey H - - 2004
BACKGROUND: Autogenous tissue for heart valve repair is limited to pericardium and fascia lata. Prosthetic annuloplasty rings have limitations and are expensive. No previous cadaveric study has documented autotransplantation of forearm tendons for mitral valve repair. The purposes of this anatomical study were (1) to determine the feasibility of using ...
Aoyagi Shigeaki - - 2004
A 63-year-old man was admitted with a complaint of dyspnea. Echocardiography showed severe aortic regurgitation (AR), and moderate mitral regurgitation (MR). Coronary angiography revealed that the right coronary artery (RCA) arose from the ascending aorta with a high takeoff and a significant stenosis at the distal segment of the RCA. ...
Harpaz David - - 2004
A young woman with bileaflet mitral valve prolapse and anomalous left coronary artery arising from the pulmonary artery, accompanied by significant mitral regurgitation (MR), underwent dobutamine stress echocardiography to assess the effect of anomalous left coronary artery arising from the pulmonary artery on MR severity. On the basis of the ...
David Tirone E - - 2004
Expanded polytetrafluoroethylene sutures have been used for replacement of chordae tendineae since 1985. They have been used for correction of prolapse of mitral and tricuspid valve leaflets as well as for resuspension of the papillary muscles during mitral valve replacement when the native chordae cannot be preserved to maintain continuity ...
Murakami Takashi - - 2004
It has been reported by several authors that a right thoracotomy for mitral valve surgery can be useful after previous coronary aortery bypass grafting (CABG). A 76-year-old man with mitral valve regurgitation after previous CABG underwent mitral valve replacement with some modified techniques. Cardiopulmonary bypass was established with right brachial ...
Badmanaban Balaji - - 2004
A 45-year-old female with Marfan syndrome had a Bentall's procedure performed 19 years ago. She presented with a 4-year history of gradually worsening dyspnea and decreasing exercise tolerance. Investigations revealed severe mitral valve prolapse, a left main stem coronary artery (LMSCA) aneurysm, and a recurrent aneurysm of the ascending aorta. ...
Barbetseas John - - 2004
We describe the case of a woman who presented with dyspnea of abrupt onset and who had recently undergone replacement of the mitral valve with a bileaflet mechanical prosthesis. Transthoracic echocardiographic examination with spectral Doppler recording of transvalvular blood flow revealed a velocity spectrum consistent with obstruction. Transesophageal echocardiography demonstrated ...
Du Toit Henning J - - 2003
We retrospectively reviewed the surgical treatment of 12 patients (nine female, mean age 16.1+/-8.7 years) with sub-mitral aneurysms managed in our institution between 1991 and 2002. We identified three groups of patients in accordance with the degree of posterior mitral annular involvement by the aneurysm. A single aneurysm neck was ...
Condado Jóse Antonio - - 2003
Mitral Regurgitation (MR) is a common medical problem. MR is also a prognostic factor; patients with severe symptomatic MR have a poor prognosis with an annual mortality rate of 5% without surgical intervention. An anatomic understanding of the normal and regurgitant mitral valve is essential in order to evaluate appropriately ...
Heyse A M - - 2003
We describe the case of a 79-year-old woman with mitral insufficiency and a double-orifice mitral valve (DOMV), discovered by echocardiography. Transthoracic echocardiography showed two insufficiency jets. Transesophageal echocardiography revealed a DOMV. Each orifice was provided with a subvalvular apparatus. No associated congenital abnormalities were present. Our case demonstrates that even ...
Patel Amit N - - 2003
BACKGROUND: The accumulation of activated leukocytes in the pulmonary circulation plays an important role in the pathogenesis of lung dysfunction associated with cardiopulmonary bypass (CPB). Patients undergoing valve surgery have prolonged CPB owing to the complexity of the surgery. The goal of this study is to determine if arterial leukocyte ...
Sakamoto Hiroaki - - 2003
A 56-year-old female had a severely calcified mitral valve annulus and a huge subvalvular mass. To avoid critical damages of the coronary artery and left ventricle, the annular calcification and the part of the mass adherent to the left ventricle were not resected. Then we performed mitral valve replacement using ...
Bozbuga Nilgün - - 2003
BACKGROUND AND AIM OF THE STUDY: Although, in patients with Marfan syndrome, the most common cardiovascular abnormalities are aortic root dilatation and aortic valve regurgitation, mitral valve dysfunction is the most frequently accompanying cardiac lesion. METHODS: The clinical course and management is reported of nine patients (seven men, two women; ...
Aoyagi Shigeaki - - 2003
The case is described of a 71-year-old woman with left atrial thrombosis after successful mitral valve repair and a Kosakai-maze procedure. At three months after surgery, electrocardiography showed a normal sinus rhythm, but echocardiography revealed a mural thrombus on the posterior wall of the left atrium. During those three months, ...
Georghiou Georgios P - - 2003
BACKGROUND AND AIM OF THE STUDY: Valvular heart disease, with a propensity for the left valves, is the most important cardiac manifestation of systemic lupus erythematosus (SLE). Libman-Sacks endocarditis complicating SLE has rarely been reported to cause hemodynamically significant valvular lesions necessitating valve replacement. METHODS: This report describes a young ...
Katsnelson Yan - - 2003
Intraoperative use of echocardiography is becoming more prevalent and is now considered an essential part of modern cardiac surgery. Echocardiography can be performed intraoperatively using transesophageal, epicardial or epiaortic, and substernal approaches. These techniques have a variety of applications in evaluating myocardial and valvular function, assessing aortic atheroma, and determining ...
Jimenez Jorge Hernan - - 2003
Studies have concluded that the shape of the human mitral valve annulus is a three-dimensional saddle. The objective of this study was to investigate the effects of a saddle shaped annulus on chordal force distribution and mitral valve function. Eleven human mitral valves were studied in a physiological left heart ...
Butany Jagdish - - 2003
BACKGROUND: The mitral valve apparatus is a complex structure composed of an annulus, mitral leaflets, chordae tendinae, papillary muscles and left ventricular, atrial and aortic walls. Deficiency or degeneration of one or more of these structures may result in dysfunction of the valvular apparatus leading to mitral valve prolapse during ...
Theleman Kevin Paul - - 2003
Analysis of outcomes in 31 patients who had combined mitral valve replacement (MVR) and coronary artery bypass grafting (CABG) for ischemic mitral regurgitation (MR) disclosed that 12 patients had MR because of papillary muscle rupture and that 19 patients had MR because of papillary muscle necrosis or fibrosis without rupture. ...
Ionescu A - - 2003
To assess the prevalence, mechanisms, and significance of paraprosthetic regurgitation detected incidentally by transoesophageal echocardiography (TOE) in patients after heart valve replacement. Prospective observational study. Tertiary referral centre. 360 consecutive patients (mean (SD) age 65.8(9.5) years, 193 women) undergoing elective first ever valve replacement. Postoperative and follow up TOE, and ...
St Goar Frederick G - - 2003
BACKGROUND: The edge-to-edge technique is an accepted method for the surgical repair of a regurgitant mitral valve. This study reports the initial use of an endovascular technology that enables a double-orifice edge-to-edge mitral valve repair without cardiopulmonary bypass in an animal model. METHODS AND RESULTS: Adult pigs (n=14) were anesthetized, ...
Assaqqat Mervat A - - 2003
We describe the clinical history of a nine years old girl with Shone's syndrome. She underwent balloon angioplasty of the aortic coarctation in infancy, and later developed severe sub-aortic stenosis and moderate mitral valvar stenosis. The mitral valve was therefore replaced with a mechanical prosthesis, and the sub-aortic shelf was ...
Wei Tiemin - - 2003
OBJECTIVES: To evaluate the impact of mild to moderate commissural calcification on the immediate outcomes of percutaneous balloon mitral valvuloplasty (PBMV). METHODS AND RESULTS: We analysed the results of 223 consecutive patients (mean age 37.6 +/- 8.7 years) who underwent PBMV for rheumatic mitral stenosis. Commissural calcification was identified with ...
Oztunç Funda - - 2003
In a 4-year-old boy with severe mitral regurgitation, cross sectional echocardiography combined with Doppler interrogation confirmed the presence of isolated perforation of the aortic leaflet of the mitral valve. The perforation was closed with a patch of fresh autologous pericardium. Serial echocardiograms taken postoperatively showed no regurgitation across the mitral ...
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