Coxsackieviruses and chronic valvular heart disease.
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Biomedical subjects
Publications and source records attributed to G Cherian.
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Rupture of a papillary muscle of the tricuspid valve is a rare occurrence, and nontraumatic rupture is still rarer. We describe a 26-year-old male with primary pulmonary hypertension presenting with severe dyspnea and paroxysmal nocturnal dyspnea following spontaneous rupture of the septal papillary muscle of the tricuspid valve. The clinical diagnosis was confirmed at autopsy.
Between 1961 and 1977, 51 patients underwent operations for coarctation of the aorta. The average age of presentation of these cases was higher than in other series. Only three were asymptomatic, a finding which is not seen in reports from the West. Operative procedures included resection and graft interposition, resection and end-to-end anastomosis, and bypass grafting. However, the technique of patch angioplasty, routinely performed in the last three years of this review, seemed by far the most satisfactory procedure. The overall operative mortality was 9.8%. Hypertension did not regress in some cases in spite of a successful operation. Recoarctation was not seen in this series. Associated defects influenced results adversely. The overall results of operation for coarctation of the aorta have been very satisfactory and comparable with those in other recorded series.
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Successful surgical correction was accomplished in a 12-year-old boy with proved endomyocardial fibrosis. Pathological features and the role of surgical therapy in the management of this lesion are discussed. This report presents one of the youngest patients who has undergone endocardiectomy and valve replacement for right-sided endomyocardial fibrosis.
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Presented here is the clinical and hemodynamic profile of 147 patients, above the age of 18 with tetralogy of Fallot. Cardiac catheterization and selective cineangiocardiography were performed in all. Infundibular pulmonary stenosis, a subaortic large infracristal ventricular septal defect, mitral-aortic fibrous continuity and equal pressures in both the ventricles and aorta were considered mandatory for the diagnosis of tetralogy of Fallot. Cardiac enlargement was seen in 25.8 per cent of the patients, and 15.6 per cent were in congestive cardiac failure; 9.5 per cent had systemic hypertension, and aortic regurgitation was present in 6.7 per cent. A reticular pattern in the lung fields due to bronchial collaterals was seen in 23.1 per cent. The incidence of right aortic arch (19.9 per cent), absent left pulmonary artery (2.8 per cent), absent right pulmonary artery (0.7 per cent) and dextrocardia (1.4 per cent) is brought out. The right atrial mean pressure was increased in 4.8 per cent and a prominent "a" wave greater than 10 mm Hg was present in 10.9 per cent. The right ventricular end-diastolic pressure was increased in 23.8 per cent and the left ventricular end-diastolic pressure in 25.9 per cent of the patients.
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