• Mengyao Niu, Jing Zhang, Yanmin Ge, Xiaohui Hu, Zhihao Liu, and Junduo Wu.
• Department of Cardiology, The Second Hospital of Jilin University, Changchun, Jilin, China.
• Medicine (Baltimore). 2022 Dec 2; 101 (48): e32219e32219.

IntroductionAnomalous left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital coronary artery malformation, with a fatality rate of 90% at 1 year of age; only 10% to 15% of patients are diagnosed in adulthood. However, elderly survivors are particularly rare. Here, we report a case of elderly ALCAPA presented with acute myocardial infarction.Case PresentationA 64-years-old female, complained of acute precordial pain in our hospital for 2 days. She was diagnosed with an acute non-ST-segment elevation myocardial infarction. Aortic angiography revealed emptiness of the left coronary sinus, and coronary angiography showed that the tortuous right coronary artery supplied blood to the left coronary artery through collateral circulation, and the contrast medium spilled from the opening of the left coronary artery. It was suspected that the left coronary artery was opened in the pulmonary artery. This finding was subsequently confirmed by coronary artery CT. The patient refused surgery to restore double coronary circulation and was administered standardized drug treatment. There was no chest pain during the 6-month follow-up.ConclusionALCAPA should be considered in patients with Myocardial Infarction with Non-obstructive Coronary Arteries, and surgical intervention is the first choice for such patients; However, chronic myocardial damage persists regardless of surgical treatment, prophylactic implantation of an ICD may be an important means of preventing sudden cardiac death and such patients should be followed up for a lifetime.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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