CONGENITAL mitral insufficiency, or tricuspid insufficiency, occurs uncommonly as an isolated defect and usually is associated with other anomalies, such as partial or incomplete endocardial cushion defects. Apparently, combined mitral and tricuspid insufficiency as an isolated abnormality is extremely rare as, to our knowledge, the following is the second reported case. The infant had combined congenital mitral and tricuspid insufficiency due to abnormally inserted chordae tendineae and papillary muscles. The diagnosis of mitral and tricuspid insufficiency was made by cardiac catheterization and cineangiocardiography four hours after birth.
Report of a Case
This newborn girl was the first of a set of twins born at Ochsner Foundation Hospital. The mother, a primipara, had had an uncomplicated 38-week pregnancy. The infant seemed in good condition immediately after birth, weighing 6 lb 1 oz (2,750 gm) and requiring no resuscitative measures. When she was examined approximately one hour later, however, she was pale