1. Distinct Morphological Features of Ruptured Culprit Plaque for Acute Coronary Events Compared to those with Silent Rupture and Thin-Cap Fibroatheroma: a Combined Optical Coherence Tomography and Intravascular Ultrasound Study

    Distinct Morphological Features of Ruptured Culprit Plaque for Acute Coronary Events Compared to those with Silent Rupture and Thin-Cap Fibroatheroma: a Combined Optical Coherence Tomography and Intravascular Ultrasound Study

    Objectives To identify specific morphological characteristics of ruptured culprit plaques (RCP) responsible for acute events, and compare them with ruptured non-culprit plaques (RNCP) and non-ruptured thin-cap fibroatheroma (TCFA) in patients presenting with acute coronary syndromes (ACS). Background Non-ruptured TCFA and multiple ruptured plaques are detected in the same patients with ACS. It remains unknown whether certain morphological characteristics determine rupture of TCFA and subsequently result in ACS. Methods We analyzed 126 plaques (RCP=49, RNCP=19, TCFA=58) from 82 ACS patients using optical coherence tomography (OCT) and intravascular ultrasound (IVUS). Fibrous cap thickness was determined by OCT. Plaque burden ...

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