There is a new player in the field of interventional cardiology. It is optical coherence tomography (OCT), an imaging modality analogous to intravascular ultrasound (IVUS), but using light instead of sound. The paper by Yonetsu et al in this issue of the IJC is therefore of timely interest, as an illustration of where OCT evaluation of coronary pathophysiology is at present, and what the future might hold.
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