Angina Refratária e Isquemia Miocárdica na Ausência de Doença Coronária Obstrutiva: A Propósito de um Caso Clínico

Arquivos Brasileiros de Cardiologia 2026 Open access

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Authors: Filipe Silva Vilela, Carla Oliveira Ferreira, Bárbara Rocha, João Faria, Ana Sofia Nogueira Fernandes, Mônica Aguilar Estevam Dias, Inês Macedo Conde, António Gaspar, Carlos Galvão Braga
DOI: 10.36660/abc.20250243
Cited by: 0
References: 12

Abstract

Introduction Angina pectoris, the most common symptom of ischemic heart disease, affects approximately 112 million people globally. A large proportion of patients (up to 70%) undergoing coronary angiography because of angina and evidence of myocardial ischemia do not have obstructive coronary arteries, a condition termed INOCA – ischemia with non-obstructive coronary arteries.– Coronary microvascular dysfunction and epicardial vasospasm, alone or in combination with coronary artery disease (CAD), are adjunctive mechanisms of myocardial ischemia. Discrimination of epicardial coronary artery vasospasm from [...]

Fields of Study & Subjects

Cardiac Imaging and Diagnostics Heart rate and cardiovascular health Coronary Interventions and Diagnostics

Publication details

Journal / source
Arquivos Brasileiros de Cardiologia
Volume
123
Issue
1
Pages
e20250243–e20250243
Publication date
1 January 2026
Language
PT