Congenital heart defects--the risks to offspring.
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An analysis of 433 observations is presented (164 cases of isolated pulmonary stenosis, 132 cases of its combination with atrial septal defect, and 137--with ventricular septal defect), the patients being 1 year 1 month to 36 years old, and the form of their heart disease being verified during surgery on a "dry" heart. The mentioned diseases were classified into 3 groups according to the tactical importance of the pulmonary stenosis. Haemodynamic studies in patients with pulmonary stenosis and an intact ventricular septum have demonstrated that with age right-ventricular hypertension progresses the faster the greater the pulmonary artery valve is stenosed. A combination of a valvular stenosis with a large ventricular communication is accompanied by a levelling of the pressure in both ventricles, its absolute figures being somewhat higher in patients over 16 years of age.
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Thirty nine persons 17 to 22 years old with mild forms of an interatrial defect, stenosis and congential dilation of the pulmonary artery were examined. During catheterization of the right heart intracardiac phonocardiography and characteristic systolic murmurs in the pulmonary artery and in the right ventricle were recorded, all this being of help in precisely diagnosing these minor and, therefore, atypical clinical forms of the malady.
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