Why the study?
Does three-dimensional transoesophageal echocardiography (3D-TEE) provide comparable aortic annulus measurements to multi-slice computed tomography (MSCT) for transcatheter aortic valve replacement (TAVR) sizing?
Population
53 consecutive patients undergoing transcatheter aortic valve replacement who had both multi-slice computed…
Comparison
Three-dimensional transoesophageal… vs Multi-slice computed tomography for aortic…
Design
Cohort
Authors
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Warrants caution against sole 3D-TEE use for TAVR sizing; leaves open need for calibrated protocols in prospective studies.
Does three-dimensional transoesophageal echocardiography (3D-TEE) provide comparable aortic annulus measurements to multi-slice computed tomography (MSCT) for transcatheter aortic valve replacement (TAVR) sizing?
3D-TEE significantly underestimates aortic annulus dimensions compared to MSCT, which could lead to inappropriate valve sizing in up to 50% of TAVR patients if used as the primary sizing modality.
Vaquerizo et al. (2015) studied this question.
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