Role of Optical Coherence Tomography (OCT) in Interventional Cardiology

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OCT is a relatively newer modality of Intravascular imaging helpful in imaging coronary arteries. Resolution of OCT is up to the tune of 10-15 microns, so it is helpful in imaging Coronary Intima & media clearly and helps in the categorization of plaque morphology by differentiating lipid, fibrous, and calcific plaques which is essential in choosing appropriate intervention strategies for optimization of coronary angioplasty ( Percutaneous coronary intervention (PCI)) results. OCT helps in finding out the pathophysiological mechanism of Acute Coronary syndromes, based on which the management strategy may alter from intervention to aggressive medical management and vice versa. During PCI, helps in selecting appropriate size stents, and detecting any procedural complications and is found to improve the procedural outcomes. We present how OCT imaging helps in the above situations by demonstrating few interesting clinical cases where OCT was helpful in the management of patients.