Cases reported "Mitral Valve Stenosis"

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251/653. Massive posterior mitral annular calcification causing dynamic left ventricular outflow tract obstruction: mechanism and management implications.

    We report a case of massive posterior mitral annular calcification causing severe systolic anterior motion of the anterior mitral leaflet and dynamic left ventricular outflow tract obstruction. Mechanism of genesis of systolic anterior motion by this unusual mechanism is illustrated. Importance of recognizing this mechanism and its implications for surgical therapy are discussed. Our patient also had liquefaction necrosis of mitral annular calcification causing its extension into left ventricular myocardium mimicking a tumor. ( info)

252/653. The transesophageal echocardiographic diagnosis of left atrial myxoma simulating a left atrial thrombus in the setting of mitral stenosis.

    We report a case of left atrial myxoma simulating a thrombus on transthoracic echocardiography, but correctly diagnosed using transesophageal echocardiography. As this tumor is usually fatal unless surgically resected, a correct diagnosis is essential. Myxomas which do not prolapse between the mitral valve leaflets and coexist with mitral stenosis may be difficult to diagnose accurately using transthoracic echocardiography. The advantages of transesophageal compared with transthoracic echocardiography in the diagnosis of nonclassical left atrial myxoma are discussed. ( info)

253/653. Transjugular approach as a challenging access in PTMC: case report.

    Advantage of transjugular approach in percutaneous mitral commissurotomy (PTMC) of severe mitral stenotic patients with venous drainage anomalies was obtained as the authors' first case experience. This approach should be considered whenever difficulties are encountered in the femoral approach in PTMC case before valve surgery. ( info)

254/653. mitral valve replacement for mitral stenosis secondary to Hunter's syndrome.

    Hunter's syndrome is a rare, X-linked recessive, mucopolysaccharidosis. survival into adulthood is uncommon. mitral valve disease, predominantly regurgitation, has been reported in these patients. We have found no reports of mitral valve replacement for mitral stenosis secondary to Hunter's syndrome in the English literature. We report that mitral valve replacement for this pathology is a viable treatment option in an adult patient; however, specific precautions must be considered. ( info)

255/653. Successful thrombolytic therapy for prosthetic mitral valve thrombosis with hemodynamic obstruction: case report and review of the literature.

    Prosthetic valve thrombosis (PVT) is a serious complication of mechanical valves. The use of thrombolytic therapy to relieve thrombotic prosthetic valve obstruction is accepted for right-sided valves, but its role in left-sided valves and hemodynamically stable patients awaits clarification. The case is presented of a patient in whom prosthetic heart valve thrombosis was treated successfully with streptokinase under transesophageal echocardiographic guidance. ( info)

256/653. Transesophageal echocardiographic recognition of infiltrative cardiac sarcoma mimicking mitral stenosis.

    Primary cardiac sarcomas are very rare. Infiltrative cardiac tumors may be difficult to diagnose by transthoracic echocardiography (TTE) only. Herein, we report a case of primary unclassified cardiac sarcoma with clinical and echocardiographic manifestations of mitral stenosis (MS). The tumor was not identified by TTE preoperatively because of its diffuse infiltration of the left atrial wall and both mitral leaflets without protruding mass, and was only discovered by intraoperative transesophageal echocardiography (TEE). This report alerts clinicians that TEE is a necessary adjunctive tool to facilitate the correct diagnosis in patients with obscure etiologies of mitral valve diseases especially when they will receive surgical intervention. ( info)

257/653. Laparoscopic cholecystectomy and open-heart surgery at the same time.

    BACKGROUND: Abdominal procedures in patients with coronary artery disease or severe valvular disease have high risk of mortality and morbidity. AIMS: In order to prevent bile peritonitis after cardiac surgery, to reduce the hospitalization course, and to decrease the mortality and morbidity after the surgery, laparoscopic cholecystectomy and open-heart surgery were performed at the same time. methods: Laparoscopic cholecystectomy and open-heart surgery were performed on two patients who had been referred to Cardiothoracic Ward of Modarres Hospital, Tehran, iran. RESULTS: Simultaneous classic laparoscopic cholecystectomy was successfully performed on two different open-heart patients, one with coronary artery disease for coronary artery bypass surgery and the other with severe mitral valve disorder for mitral valve replacement. CONCLUSIONS: Abdominal procedures are suggested to be done with cardiac surgery at the same time with laparoscopic technique to reduce mortality and morbidity in these patients. ( info)

258/653. Univentricular heart and supramitral ring: an unusual association.

    Univentricular heart, which is rarely seen cardiac anomaly, is associated with various cardiac anomalies. The presence of supramitral ring and univentricular heart in the same patient is very interesting association which, to the best of our knowledge, was not reported previously. ( info)

259/653. Acute pericarditis as a complication of percutaneous mitral balloon valvulotomy.

    During the past two decades, percutaneous mitral balloon valvulotomy (PMBV) has been frequently used, with high success and low complication rates, in the treatment of patients with moderate to severe rheumatic mitral stenosis. The case is reported of a patient with severe rheumatic mitral stenosis who developed acute pericarditis two days after successful PMBV. To the best of the authors' knowledge, this is the first such case to be reported. ( info)

260/653. Left ventricular outflow tract obstruction caused by accessory mitral valve tissue.

    This report describes the echocardiographic diagnosis of accessory mitral valve tissue causing left ventricular outflow tract obstruction in a symptomatic man. The accessory tissue was surgically removed and the mitral valve replaced with complete resolution of left ventricular outflow tract gradient and symptoms. The case illustrates the importance of transthoracic and transesophageal echocardiography in the diagnosis and preoperative evaluation of this rare but treatable cause of subaortic valve obstruction. ( info)
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