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ST-elevation myocardial infarction complicated by cardiac arrest in a young patient with familiar dyslipidemia

Coronary heart disease in young patients always poses great challenges for every healthcare system with differences in clinical manifestations, etiology, epidemiology, angiographic characteristics and prognosis. The objective of this study was to describe a case of ST-elevation myocardial infarction complicated by cardiac arrest in a young patient with familial dyslipidemia. A 30-year-old male visited our hospital with typical angina. During the examination, he suﬀered a sudden loss of consciousness, the monitor showed ventricular fibrillation. After successful resuscitation of cardiac arrest, electrocardiography showed apparent ST-elevation from V2 to V6 leads consistent with the diagnosis of anterolateral infarction. Emergency coronary angiogram showed severe three-vessel lesions including complete occlusion of the LAD artery and 80 - 90% stenosis of the other two coronary branches. Our patient’s coronary arteries were revascularized using drug-eluting stents in LAD artery and subsequently RCA artery, stem cell therapy was applied during the interventional process. Routine laboratory test results showed dyslipidemia and his family records suggested familiar (hereditary) dyslipidemia which affected his mother and sister. 1-month follow-up echocardiography showed a drastic improvement of LVEF by roughly 15%. The combination of revascularization, stem cell therapy, and lipid-lowering therapy has shown a good therapeutic effect.