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1.
Arq Bras Cardiol ; 120(6): e20220705, 2023 05.
Article in English, Portuguese | MEDLINE | ID: mdl-37341226

ABSTRACT

Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a puzzling clinical phenomenon with an unclear prognosis, characterized by evidence of myocardial infarction (MI) with normal or near-normal coronary arteries on angiography1. Currently, there are no guidelines for management, and many patients are discharged without a determined etiology, often meaning that optimal treatment gets postponed.We report three MINOCA case studies with main pathophysiological cardiac causes, particularly epicardial, microvascular, and non-ischemic, prompting differential management. The patients presented with acute chest pain, troponin raise, and no angiographically significant coronary disease.In this study, we analyzed the etiology, clinical diagnosis, and treatment of MINOCA concerning the relevant literature.MINOCA is considered to be a dynamic working diagnosis, including coronary, myocardial, and non-coronary disorders. Prospective studies and registries are needed to improve patient care and outcome.


O infarto do miocárdio com artérias coronárias não obstrutivas (MINOCA) é um fenômeno clínico intrigante e de prognóstico incerto, caracterizado pela evidência de infarto do miocárdio (IM) com artérias coronárias normais ou quase normais na angiografia1. Atualmente, não há diretrizes para o manejo e muitos pacientes recebem alta sem uma etiologia determinada, significando muitas vezes que o tratamento ideal é adiado.Relatamos três estudos de caso MINOCA com as principais causas fisiopatológicas cardíacas, particularmente epicárdicas, microvasculares e não isquêmicas, levando ao tratamento diferencial. Os pacientes apresentavam dor torácica aguda, aumento da troponina e nenhuma doença coronariana angiograficamente significativa.Neste estudo, analisamos a etiologia, diagnóstico clínico e tratamento da MINOCA em relação à literatura relevante.MINOCA é considerado um diagnóstico de trabalho dinâmico, incluindo distúrbios coronários, miocárdicos e não coronários. Estudos prospectivos e registros são necessários para melhorar o atendimento e o resultado do paciente.


Subject(s)
MINOCA , Myocardial Infarction , Humans , Prospective Studies , Myocardial Infarction/therapy , Chest Pain , Phenotype
2.
Arq. bras. cardiol ; 120(6): e20220705, 2023. graf
Article in Portuguese | LILACS-Express | LILACS | ID: biblio-1439362

ABSTRACT

Resumo O infarto do miocárdio com artérias coronárias não obstrutivas (MINOCA) é um fenômeno clínico intrigante e de prognóstico incerto, caracterizado pela evidência de infarto do miocárdio (IM) com artérias coronárias normais ou quase normais na angiografia1. Atualmente, não há diretrizes para o manejo e muitos pacientes recebem alta sem uma etiologia determinada, significando muitas vezes que o tratamento ideal é adiado.Relatamos três estudos de caso MINOCA com as principais causas fisiopatológicas cardíacas, particularmente epicárdicas, microvasculares e não isquêmicas, levando ao tratamento diferencial. Os pacientes apresentavam dor torácica aguda, aumento da troponina e nenhuma doença coronariana angiograficamente significativa.Neste estudo, analisamos a etiologia, diagnóstico clínico e tratamento da MINOCA em relação à literatura relevante.MINOCA é considerado um diagnóstico de trabalho dinâmico, incluindo distúrbios coronários, miocárdicos e não coronários. Estudos prospectivos e registros são necessários para melhorar o atendimento e o resultado do paciente.


Abstract Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a puzzling clinical phenomenon with an unclear prognosis, characterized by evidence of myocardial infarction (MI) with normal or near-normal coronary arteries on angiography1. Currently, there are no guidelines for management, and many patients are discharged without a determined etiology, often meaning that optimal treatment gets postponed.We report three MINOCA case studies with main pathophysiological cardiac causes, particularly epicardial, microvascular, and non-ischemic, prompting differential management. The patients presented with acute chest pain, troponin raise, and no angiographically significant coronary disease.In this study, we analyzed the etiology, clinical diagnosis, and treatment of MINOCA concerning the relevant literature.MINOCA is considered to be a dynamic working diagnosis, including coronary, myocardial, and non-coronary disorders. Prospective studies and registries are needed to improve patient care and outcome.

3.
Wiad Lek ; 75(7): 1792-1795, 2022.
Article in English | MEDLINE | ID: mdl-35962700

ABSTRACT

This report describes a case of multiply СAE presenting as a ST-elevation myocardial infarction in an adult patient with bicuspid aortic valve (BAV) and ascending aortic aneurysm. Coronary angiography revealed multiply ectasia in left anterior descending artery and right coronary artery. A computer tomographic aortogram confirmed the presence BAV with signs of calcification and an enlarged ascending aorta. The patient underwent coronary artery bypass grafting of left descending and circumflex coronary arteries and tube graft replacement of ascending aorta in 1 month after ACS in experienced centre. In patients with ACS due to CAE culprit, the emphasis is to restore flow. Medical treatment as well as lifestyle changes and risk factors control, and serial imaging assessment of aortic aneurysm constitute the second part of the management of these patients. We need prospective studies and registries to improve patient care and outcome.


Subject(s)
Acute Coronary Syndrome , Aortic Aneurysm , Bicuspid Aortic Valve Disease , Acute Coronary Syndrome/diagnostic imaging , Acute Coronary Syndrome/etiology , Acute Coronary Syndrome/surgery , Adult , Aortic Aneurysm/etiology , Aortic Aneurysm/surgery , Coronary Vessels/diagnostic imaging , Coronary Vessels/surgery , Dilatation, Pathologic/complications , Dilatation, Pathologic/diagnostic imaging , Dilatation, Pathologic/surgery , Humans , Prospective Studies
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