Mutations in the X-linked gene encoding dystrophin cause skeletal and cardiac muscle diseases in men. Female "carriers" also can develop overt disease. The purpose of this study was to ascertain the prevalence of cardiac contractile abnormalities in dystrophinopathy carriers.
University of Iowa Hospitals and Clinics, Division of Cardiovascular Medicine, Department of Internal Medicine, 200 Hawkins Drive, Room E317-1 GH, Iowa City, IA 52242, USA. robert-weiss@uiowa.edu
