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Article Abstract
Despite significant advances in understanding and management, cardiovascular diseases remain the leading cause of mortality worldwide. Historically, diagnostic and therapeutic strategies have typically targeted obstructive coronary arteries. However, growing evidence supports the pivotal role of non-obstructive mechanisms in myocardial ischemia, prompting a new classification that distinguishes Acute Myocardial Ischemic Syndromes from Non-Acute Myocardial Ischemic Syndromes. In this evolving context, Optical Coherence Tomography (OCT) plays an important diagnostic role in the assessment of both obstructive and non-obstructive ischemic mechanisms. In Acute Myocardial Ischemic Syndromes, OCT enables the identification of major plaque destabilization mechanisms and contributes to the diagnosis of Myocardial Infarction with Non-Obstructive Coronary Arteries, helping to differentiate between atherosclerotic and non-atherosclerotic causes. In Non-Acute Myocardial Ischemic Syndromes, OCT assists in evaluating stenosis severity, plaque morphology, vulnerability, and healing, and may contribute to the diagnosis of Ischemia with Non-Obstructive Coronary Arteries, identifying myocardial bridge and epicardial spasm alongside conventional functional assessment of intermediate stenoses. This narrative review outlines the expanding clinical applications of OCT across the full spectrum of ischemic syndromes, emphasizing its role in bridging obstructive and non-obstructive pathophysiology and supporting a more comprehensive diagnostic approach to ischemic heart disease.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12299103 | PMC |
| http://dx.doi.org/10.3390/medicina61071218 | DOI Listing |
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