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Changes in the collagenous matrix may contribute to the pathogenesis and progression of human aortic valve stenosis (AS). To evaluate the significance of collagen I and III in the pathogenesis of AS, we studied their synthesis in diseased valves.Type I and type III collagen mRNA expression and the immunohistochemical localization of the collagen antigens were studied from 36 AS and 2 normal aortic...
A 59-year-old man with grade III angina pectoris and 80% stenosis of the left anterior descending coronary artery developed an acute total occlusion of the artery during percutaneous transluminal coronary angioplasty (PTCA). Attempts at recanalisation and resuscitation were ineffective, and the patient died. The medico-legal autopsy revealed obstruction of left main coronary artery by a ringshaped...
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