Transillumination of the Ventricular Septum

Abstract

THE majority of ventricular septal defects are solitary in occurrence, involve the infracristal area of the septum and can be diagnosed with consistent accuracy by means of catheterization of the right side of the heart, dye dilution technics and cineangiography.^{1 , 2} In the absence of severe pulmonary hypertension closure of such defects, by direct suture or insertion of a prosthesis, can be accomplished with little technical difficulty and a low operative mortality.Unfortunately, the management of patients with multiple defects, which occur in approximately 10 per cent of cases, is much less satisfactory. Since the hemodynamic effects of single and multiple . . .