Resumo

CLEVES, Daniela et al. Myocardial infarction with unobstructed coronary arteries in pediatrics: a little-known entity. Rev. Colomb. Cardiol. [online]. 2021, vol.28, n.2, pp.185-188.  Epub 10-Jun-2021. ISSN 0120-5633.  https://doi.org/10.24875/rccar.m21000031.

Myocardial infarction with non-obstructed coronary arteries (MINOCA) has gained importance in the last 20 years, due to the elucidation of physiopathological etiologies different from the obstructive causes of coronary flow. Different studies have shown variable prevalence, being higher in women. Different causes have been evidenced in the studies found in two groups of alterations in coronary reactivity: epicardial causes and microvascular causes. The diagnosis of MINOCA must be a diagnosis of exclusion. Therefore, other possible causes of ischemia, such as myocarditis, septic cardiomyopathy, hypovolemic shock due to trauma or burns, renal or pulmonary diseases, should be ruled out initially. The reports and studies done around this pathology usually include adult patients and people older than 18 years. We present the case of a 16-year-old patient with a history of Tetralogy of Fallot corrected as an infant and pulmonary valve replacement with bioprothesis and enlargement of the pulmonary trunk at 11 years of age who was admitted with chest pain of coronary characteristics. The diagnosis after multiples studies and exclusion of other causes was MINOCA in a fourth level institution in Cali, Colombia.

Palavras-chave : MINOCA; Infarction; Coronary reactivity; Pediatrics.

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