1. Optical coherence tomography for characterization of cardiac allograft vasculopathy after heart transplantation (OCTCAV study)

    Optical coherence tomography for characterization of cardiac allograft vasculopathy after heart transplantation (OCTCAV study)

    BACKGROUND Optical coherence tomography (OCT) is a novel intravascular imaging modality with excellent spatial resolution. This study explored the utility of OCT in cardiac transplantation for the detection and characterization of early changes associated with coronary allograft vasculopathy (CAV). METHODS Fifteen consecutive patients, 1 to 4 years after transplant with no angiographic evidence of CAV, underwent successful OCT imaging using the Fourier-domain OCT system (C7-XR, St. Jude Medical, St. Paul, MN) in the left anterior descending artery. Analysis included measurements of the lumen, intima, and media layers, and characterization of atherosclerotic plaques. Patients were stratified by intima-to-media (I/M) ratio ...

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