Abstract
To review the epidemiology, pathogenesis, diagnosis using emerging imaging modalities, management strategy, and prevention of recurrent spontaneous coronary artery dissection (SCAD) and provide a more extensive review of the current data. SCAD generally affects women without conventional cardiovascular risk factors. Diagnosis and management of SCAD are challenging due to heterogeneity, undefined mechanisms, differing phenotypes, and a lack of strong clinical evidence. After reviewing the current evidence to date, we recommend conservative management, including cardiac rehabilitation for SCAD with low-risk features, while coronary revascularization should be considered in SCAD with high-risk features. Non-invasive imaging (e.g., coronary computed tomography angiography, cardiac magnetic resonance, myocardial perfusion imaging) should be considered in diagnosing specific SCAD phenotypes. The standard guideline-based medical therapy for acute coronary syndrome, in the absence of contraindications, should be considered along with appropriate SCAD phenotypes. Discharge counseling and follow-up using emerging imaging modalities should be based on individuals' profiles and approached on a case by case basis.
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