,8 A follow-up study on female BMD/DMD carriers reported that only 1 BMD carrier and 10 DMD carriers of a total of 99 DMD/BMD carriers developed dilated cardiomyopathy (DCM) during a 9-year follow-up period, and none of BMD carriers died.9 The gene discussed is DMD; the disease is familial dilated cardiomyopathy.