Annotation
نویسنده
چکیده
ecome more than an academic exercise and a guide to prognosis. kince Gross tied the first patent ductus in 1939 the achievements of surgery have been spectacular and it has become possible to treat many of these conditions. The advent of the eart-lung machine will further extend the scope of surgery. In some cases a complete cure ls Possible or feasible. The ligature of a patent ductus, the closure of a defect in the auricular ?r Ventricular septa or the division of a stenotic pulmonary valve leave an essentially normal ,eart. In others the defect is too gross to be corrected surgically but some readjustment of the ^rculation can be made that produces some improvement, tricuspid atresia, Fallot's tetralogy nc* Perhaps transposition of the great vessels come into this category. In another group of fetoss anomalies, truncus arteriosus, neither surgical correction or palliation seem possible, surgery is to be contemplated in these conditions an exact diagnosis must be made, and in any cases this cannot be done without the aid of the special techniques of cardiac catheteriza10P ^d angiocardiography. *?* only must an exact diagnosis be made, but an exact appreciation of the natural course the disease is necessary in order to know whether the risks of surgery outweigh the risks of
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