title: Coronary stenting in an elderly patient with an acute myocardial infarction at left main trunk.
abstract: Acute myocardial infarction (AMI) caused by an occlusion of the left main trunk (LMT) is a rare angiographic finding. The prognosis is usually extremely poor, particularly in an elderly patient, unless complete reperfusion is rapidly established. We experienced a survival case of an elderly man with AMI at the LMT. A 91-year-old man with cardiogenic shock was referred to our hospital for the treatment of AMI. Left ventriculograms showed that akinesis in the anterolateral and apical wall segments had resulted in an ejection fraction of 30.8%. Coronary angiograms revealed a 90% narrowing at the ostium of the LMT. Intravascular ultrasound images showed a circumferential calcification at the site of the minimum lumen diameter of the LMT. We successfully dilated this calcified narrowing using a coronary stent, and the patient was discharged without complications 1 month later. The patient was asymptomatic 6 months later.
authors.affiliation: Division of Cardiology, Toyokawa City Hospital, Toyokawa, Japan.
authors.forename: Keita
authors.initials: K
authors.lastname: Sakurai
authors.forename: Takeshi
authors.initials: T
authors.lastname: Suzuki
authors.forename: Ai
authors.initials: A
authors.lastname: Nakazawa
authors.forename: Tateo
authors.initials: T
authors.lastname: Okado
authors.forename: Tomonori
authors.initials: T
authors.lastname: Sugiura
authors.forename: Koshiro
authors.initials: K
authors.lastname: Ikeda
authors.forename: Ryuzo
authors.initials: R
authors.lastname: Ueda
authors.forename: Yasuaki
authors.initials: Y
authors.lastname: Dohi
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D015906:Angioplasty, Balloon, Coronary; D017023:Coronary Angiography; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000628:therapy; D004562:Electrocardiography; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000150:complications / Q000175:diagnosis / Q000628:therapy*; D012770:Shock, Cardiogenic / Q000209:etiology; D015607:Stents; D013318:Stroke Volume; D018084:Ultrasonography, Interventional