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Transcatheter aortic valve replacement (TAVR) has developed rapidly in recent years as an alternative to surgical aortic valve replacement for patients with aortic valve diseases. As a minimally invasive approach, procedure success and good outcomes for patients largely depend on the procedure planning before TAVR. Moreover, imaging plays a vital role in contemporary TAVR planning. Among different types of imaging modalities, computed tomography (CT) is central. This article provides a systematic review of the role of CT in TAVR planning, including anatomic measurement and TAVR risk evaluation.