Etiology of mitral regurgitation in secundum atrial septal defect.

Non-rheumatic mitral regurgitation was found in 9.1% (27 patients) of all patients with secundum atrial septal defect (298 patients) who were operated on during a 13-year period at the Mitsui Memorial Hospital. This combined lesion was more frequent in female (12.3%, 19 patients) than male (5.6%, 8 patients), and the incidence tended to increase with age… CONTINUE READING