Search Results
Results 301 - 350 of 1683
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Greer Erin L - - 2008
A 77-year-old female initially presented with symptomatic mitral valve stenosis involving a bioprosthesis that had been implanted 8 months earlier for myxomatous mitral valve disease and severe valvular regurgitation. The patient was taken for a second mitral valve replacement due to stenosis. Intraoperatively, the bioprosthetic mitral valve was noted to ...
Walther Thomas - - 2007
OBJECTIVES: This study sought to evaluate the feasibility of minimally invasive transapical repeat valve-in-a-valve (VinV) implantation. BACKGROUND: Reoperative heart valve replacement for degenerated xenografts is associated with an increased surgical risk. METHODS: Conventional Carpentier Edwards porcine aortic (n = 5) and mitral (n = 2) valve prostheses were implanted in ...
Baird C W - - 2007
Mitral valve chordal rupture is often associated with an inciting event. There are very few reported pediatric cases of spontaneous mitral valve chordal rupture. We describe a 9-year-old boy with a history of mitral valve prolapse who developed spontaneous mitral valve chordal rupture without evidence of endocarditis or trauma.
Hadian Mojtaba - - 2007
Collagen fibrils, a major component of mitral valve leaflets, play an important role in defining shape and providing mechanical strength and flexibility. Histopathological studies show that collagen fibrils undergo dramatic changes in the course of myxomatous mitral valve disease in both dogs and humans. However, little is known about the ...
Joyal Dominique - - 2007
We describe the case of a successful alcohol septal ablation in a patient with persistent gradient and severe symptoms postsurgical myectomy. The alcohol ablation of the thickened septum abolished the left ventricular outflow gradient and the systolic anterior motion (SAM) of the mitral valve. Although the surgical literature advocates for ...
Imanaka Kazuhito - - 2007
BACKGROUND: Although it is well known that valvular lesions show changes in stiffness, this fact has not been studied objectively or quantitatively. METHODS: Using a tactile sensor, stiffness of the mitral valve was measured at 11 autopsies and 19 surgically excised specimens. The relationships between stiffness and histological state were ...
Yamaguchi Hiroichiro - - 2007
Although infective endocarditis is primarily treated conservatively with antimicrobial therapy, early surgical intervention is often mandatory when various complications arise. These include intractable heart failure, persistent uncontrollable infection, large mobile vegetations, peripheral embolism and prosthetic valve endocarditis. Optimal timing of surgical intervention in patients with infected heart valves results in ...
Zagol Brian W - - 2007
A subset of patients with mitral valve disease has a marked rise in pulmonary vascular resistance (PVR) that is disproportionate to elevations in pulmonary venous pressure. Termed a "hyperactive" pulmonary vasculature, the elevation in PVR falls promptly and dramatically in response to mitral valve replacement. We report a 55-year-old man ...
Mahnken Andreas H - - 2007
OBJECTIVE: The purpose of this study was to analyze the prevalence and clinical significance of mitral valve calcification incidentally detected on chest CT scans in comparison with echocardiography. MATERIALS AND METHODS: The data of 390 patients (227 men and 163 women; mean age, 62.4 +/- 12.2 years) who underwent MDCT ...
Fattouch Khalil - - 2007
Replacement of diseased chordae with Gore-Tex sutures (W. L. Gore & Assoc, Flagstaff, AZ) in patients with degenerative mitral valve insufficiency has become a standard technique used by surgeons in mitral valve repair with good long-term results. Nevertheless, determining the correct length of the artificial chordae has remained problematic. Although ...
Lozonschi Lucian - - 2007
A 68-year-old hypertensive diabetic woman with chronic atrial fibrillation presented with progressive congestive symptomatology. She was diagnosed with severe aortic stenosis, moderate mitral regurgitation, and critical right coronary artery stenosis. In addition to coronary revascularization and bioprosthetic aortic valve replacement, she underwent a mitral valve repair and a complete cryoMaze ...
Kegel Corrine L CL The International Heart Institute of Montana Foundation at Saint Patrick Hospital and Health Sciences Center and The University of Montana, Missoula, MT 59802, - - 2007
One objective of mitral valve repair is to restore the distorted mitral apparatus geometry to its normal dimensions specific for each patient. Because all dimensions of the normal aortic and mitral valves should be related, it was hypothesized that, in the presence of a normal aortic annulus, it would be ...
Sirin B Hayrettin - - 2007
Annular calcifications carry some technical difficulties for success in conventional valve surgery. In this paper we present an easy alternative mitral valve replacement method applied for a patient with a heavily calcified mitral annulus. Excision of both leaflets and partial resection of the annular calcification with an ultrasonic dissector allowed ...
Charokopos Nicholas - - 2007
In cases of severe atherosclerosis of the ascending aorta, alterations in the standard surgical technique are mandatory. We report mitral valve replacement and coronary artery bypass grafting in a patient with a severely atherosclerotic aorta. Cardiopulmonary bypass was conducted via an arterial cannula in the femoral artery and two single ...
Singh Anurag - - 2007
Stuck (immobilized) leaflet of a metallic mitral prosthetic valve due to obstruction by mitral subvalvular apparatus is a well recognized complication after placement of prosthetic valves. However, a stuck mitral valve leaflet involving a bioprosthetic valve has not been reported so far most likely because of increased pliability of tissue ...
Hazekamp Mark - - 2007
OBJECTIVE: To describe the optimal surgical strategy in heart specimens with transposition of the great arteries (TGA) and left ventricular outflow tract obstruction (LVOTO). METHODS: Thirty-three specimens with LVOTO were selected: TGA with intact ventricular septum (TGA/IVS) (10), TGA/VSD (21), and Taussig-Bing (2). RESULTS: LVOTO in TGA/IVS consisted of combinations ...
Jha Neerod K - - 2008
Perioperative pulmonary thromboembolism during cardiac surgery is extremely rare. We report a 55-year-old male, who developed acute pulmonary thromboembolism during mitral valve repair. Intra-operative trans oesophageal echocardiography failed to demonstrate thromboembolus in the pulmonary arteries but it showed the secondary signs of acute pulmonary artery obstruction. Thromboembolectomy was done after ...
Espino Daniel M - - 2007
The aim of the investigation was to vary certain geometrical features of the mitral valve in vitro, in order to understand their role in valve function. Geometrical changes to mitral valve components are known to affect valve function, but complete understanding of how geometrical changes influence valve function is far ...
Grande Antonino M - - 2007
Cardiac papillary fibroelastoma is a rare benign tumor which involves the heart valves and may cause thromboembolism or mechanical interference with valvular function. The case is presented of an asymptomatic, 22-year-old man in whom a fibroelastoma was localized on the ventricular aspect of the right coronary leaflet of the aortic ...
Yasar Ayse Saatci - - 2007
Warfarin, an oral anticoagulant, is the therapy of choice to maintain anticoagulation. An individual requiring five- to 20-fold higher dosage than average for anticoagulation may be considered as having resistance to warfarin. In order to evaluate a subtherapeutic response to high-dose warfarin, the clinician must consider many possible causes of ...
Park Sung-Ji - - 2007
Univentricular heart is a rare and complex congenital disease. Its prognosis is usually poor without surgical intervention and long-term survival into adulthood is rare. We report a 41-year-old man with a double inlet left ventricle with pulmonary stenosis and a parachute mitral valve verified by echocardiography and magnetic resonance imaging ...
Naqvi Tasneem Z - - 2007
BACKGROUND: The edge-to-edge (Alfieri) technique for mitral valve repair is a versatile method of treating mitral insufficiency. Because of its simplicity, it has been applied in minimally invasive surgery, and recently, in the design of endovascular closed-heart devices. AIM: The purpose of this study was to evaluate the acute in-vivo ...
Valocik Gabriel - - 2007
BACKGROUND: We studied the value of quantitative three-dimensional echocardiography (3DE) in the evaluation of mitral valve stenosis using the measurement of the mitral valve area (MVA) with two new indices: the doming volume and mitral valve volume. METHODS AND RESULTS: A total of 45 consecutive patients with mitral valve stenosis ...
Nomura Koji - - 2007
This report describes the case of a 12-year-old girl with a giant left atrial myxoma who presented with severe mitral regurgitation symptoms. Echocardiography demonstrated a 69 x 30 mm solid mass in the left atrium (LA), occupying almost the entire mitral orifice. After successful surgical excision of the tumor, concomitant ...
Kuwaki Kenji - - 2007
BACKGROUND: The purpose of this study was to compare the late results of combined mitral valve repair and aortic valve replacement with double valve replacement for patients with rheumatic heart disease. METHODS: From 1981 to 2003, 128 patients underwent aortic valve replacement with either mitral valve repair (n = 47) ...
Saito Shunsuke - - 2007
We report a new technique for reinforcement of a friable posterior mitral annulus using the anterior leaflet after removing a calcified artificial ring. A 72-year-old woman underwent mitral valve replacement for mitral stenosis and recurrence of regurgitation after mitral valve repair at 53 years of age. She had been on ...
Otasevic Petar - - 2007
Patient was admitted for endarterectomy of the left internal carotid artery. Echocardiography showed mitral stenosis with mitral valve area of 1.4 cm2. Since the patient's functional capacity could not be determined due to left-sided hemiplegia, it was decided to perform high-dose dobutamine stress-echocardiography in order to assess the patient's hemodynamics ...
Martìn-Suàrez Sofia - - 2007
Mitral valve myxomas are extremely uncommon, and their presence raises differential diagnosis with other pathologic conditions. We report on the case of a patient with an unspecific clinical presentation and an equivocal echocardiographic finding: mass prolapsing through the mitral valve into the left ventricle. The tumor was strongly attached by ...
Nyawo B - - 2007
A 29-year-old woman was transferred at 31 weeks gestation for management of infective endocarditis (IE). Echocardiography demonstrated vegetations on aortic valve and severe mitral regurgitation. Blood cultures were positive for Streptococcus sanguis. Due to impending hemodynamic collapse, a cesarean section was performed followed by aortic valve replacement and mitral valve ...
Gürbüz Ali - - 2007
Coronary artery fistula (CAF) is a rare congenital anomaly of the coronary arteries in which abnormal connections are present between the coronary artery branch and the cardiac chambers or a major vessel. The incidence of CAF is estimated at 1 in 50,000 live births, and it is detected in approximately ...
Lamberti John J - - 2007
Because there is no ideal substitute for the mitral or the systemic atrioventricular valve (SAVV) in a patient of any age, repair is the optimal treatment for important congenital or acquired mitral/SAVV disease. Valve repair techniques have evolved to the point where early repair may be offered to asymptomatic patients ...
Bottio Tomaso - - 2007
The case is reported of a patient who underwent cardiac surgery for pulmonary valve stenosis as a child, and presented as an adult with signs and symptoms of severe congestive heart failure. The left ventricle showed an increased trabecular pattern in the region of the apex, the mitral annulus was ...
Kutlesa Marko - - 2007
We describe the first case of Moraxella lacunata definite native valve endocarditis in a patient with previously normal mitral valves. The disease was complicated with embolizations of the brain and spleen. After 6 weeks of antimicrobial treatment, valvular replacement was performed. The clinical course and diagnostic findings suggest that Moraxella ...
Svensson Lars G - - 2007
The minimally invasive partial sternotomy "J" incision can be used for most isolated mitral valves, tricuspid valves, aortic valves, atrial septal defects, maze procedures, aortic repairs, and aortic valve reoperations. This article reviews the technical approaches and outcomes for various procedures. For 2,004 mitral valve repairs, our 30-day in-hospital mortality ...
Takeda Koji - - 2007
Isolated mitral insufficiency requiring surgical correction is extremely rare in Williams syndrome (WS). We report the case of a 25-year-old man with WS, who suffered congestive heart failure caused by severe mitral insufficiency and atrial fibrillation. We found extensive anterior leaflet prolapse, but no other cardiovascular disorders such as supra-aortic ...
Kale Suresh Babu - - 2007
Historically the mitral valve has been exposed through a variety of approaches from the standard left atriotomy to cardiac autotransplantation. Regardless of the approach, adequate exposure to the mitral valve is crucial to a successful valve repair or replacement. We describe a simple and effective way of bringing the mitral ...
Katz Michael G - - 2007
The case is reported of a 36-year-old male patient suffering from congenital pulmonary stenosis who previously had undergone pulmonary balloon valvuloplasty. During the past nine years, he had experienced recurrent attacks of rheumatic fever that gradually damaged all four heart valves. The patient underwent aortic, mitral and pulmonary valve replacement ...
Konstantinov Igor E - - 2007
Mitral valve repair has become an established treatment in adults, but there is limited experience with the procedure in children, in whom the avoidance of a valve prosthesis is particularly advantageous. Repair of the mitral valve in children who have Marfan syndrome is especially difficult due to the presence of ...
Karas Tomer Z - - 2007
We report the long-term follow-up of a patient with rheumatic mitral valve disease who underwent annuloplasty with a specially developed C-ring (the Cooley C-ring) for mitral valve repair in 1977. The repaired valve remained competent and unobstructed for 27 years before requiring replacement.
Cheunsuchon Pornsuk - - 2007
INTRODUCTION: There are multiple causes of mitral regurgitation. Its etiology includes floppy valve, postinflammatory disease, infective endocarditis, and other disorders. Recently, there has been an increased tendency to remove only portions of the mitral valve, causing difficulty in the determination of etiology. Our objective was to study the pathology and ...
Mohammadi Siamak - - 2006
We herein report the case of a woman with clefts in the anterior and posterior mitral leaflets causing mitral insufficiency. The patient developed heart failure symptoms in the eighth decade of life and underwent mitral valve repair, with suture closure of both clefts. The reasons of its late presentation are ...
Farzaneh-Far Afshin - - 2006
OBJECTIVE: Although antiphospholipid antibodies (aPL) are associated with arterial and venous thrombosis in systemic lupus erythematosus (SLE), the extent to which they influence other cardiovascular manifestations is either controversial or uncertain. We undertook this study to examine the relationships of aPL with valvular, myocardial, and arterial disease in SLE. METHODS: ...
Mihaljevic Tomislav - - 2006
Standard repair techniques can prove challenging in patients with severe myxomatous mitral valve disease when there is a broad-based mid-portion of the posterior leaflet and small medial and lateral scallops. We describe a new surgical technique in which the mitral valve repair was accomplished by simple folding the prolapsed segment ...
De Castro Stefano - - 2006
PURPOSE: Intraoperative two-dimensional transesophageal echocardiography (2DTEE) is a widely accepted method to guide cardiac valve surgery. The aim of our study was to evaluate the feasibility, effectiveness, and incremental value of intraoperative epicardial real-time three-dimensional echocardiography (RT3DE). DESCRIPTION: Thirty consecutive patients (18 aortic and 12 mitral valve diseases) underwent intraoperative ...
De Cicco Giuseppe - - 2006
OBJECTIVE: Prosthetic valve dysfunction after mitral valve replacement (MVR) may be caused by several factors, which often lead to repeated surgery. One of the most frequent determinants of reoperation is periprosthetic leakage (PPL). A few published reports have analysed PPL incidence and postoperative results after MVR, but no specific attention ...
Ryomoto Masaaki - - 2006
A 57-year-old woman who complained of exertional dyspnea was diagnosed as having severe aortic valve stenosis and mitral valve regurgitation. The patient underwent double valve replacement with a mechanical prosthesis. Postoperative laboratory data showed unusually high serum lactate dehydrogenase (LDH) levels, even though no perivalvular leakage was detected by echocardiography. ...
Ramaswamy Prema - - 2006
Neonatal Marfan syndrome (nMFS) is the rare and severe form of this connective tissue disorder with poor outcome due to progressive valvular insufficiency. We describe a case of nMFS suspected in utero, by fetal echocardiography, due to marked dilatation of both great arteries, which is the first description of fetal ...
Sakamoto Shigeru - - 2006
Mitral valve replacement in the presence of severe annular calcification and an infectious lesion may be complicated by atrioventricular rupture, left circumflex coronary artery injury, and recurrence of infective endocarditis. Confronted with these circumstances, we have developed a technique of annular reconstruction for mitral valve replacement. The prosthetic valve is ...
Singh Anurag - - 2006
The differential diagnosis of a cardiac valve mass includes fibroelastoma, myxoma, lipoma, Lambl's excrescences, thrombus, and vegetation. Fibroelastomas are extremely rare primary cardiac tumors. Their incidence is 0.00017-0.033% in autopsy series and 0.019% in clinical series identified on echocardiography. Although rare, fibroelastomas are the most common tumors affecting the cardiac ...
Wong Teck Wee - - 2007
We report a case of flail mitral valve in an elderly man. Contrast enhanced images of the left ventricle were compared with transthoracic echocardiography. MSCT during systolic phase accurately identified the flail P2 cusp of posterior mitral valve leaflet. It can be performed non-invasively without requiring sophisticated software. Our case ...
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