Some 80 hospitals participated in study of 406 patients Henry Ford patients told story of blacking out and waking up in the hospital Screenshot David Johnson, Henry Ford patient (center), Dr. Sarah Gorgis (right) and Dr. Mohammad Zaidan, two interventional cardiologists at Henry Ford Hospital, talk about the "Detroit procedure" during a Zoom session. A top cardiologist and researcher at Henry Ford Health System in Detroit is calling on at least 1,000 hospitals in the U.S. to adopt a life-saving therapy that a national study is showing can increase survival rates of patients with severe heart attacks to 71 percent from about 50 percent before the treatment was introduced.