Assessment of aortic valve complex by three-dimensional echocardiography: a framework for its effective application in clinical practice.

In the current era of expanding catheter-based and complex repair procedures to treat aortic valve (AV) diseases, growing consideration is being given to understanding the functional anatomy of the AV complex. Echocardiography is the primary imaging modality to assess and follow-up AV diseases, and the recent three-dimensional (3D) capabilities allow clinicians to appreciate the functional complexity of the aortic root in the beating heart. Despite being subject to several limitations, 3D echocardiography (3DE) holds promise as a more suitable imaging backup for aortic interventions of mounting complexity and for circumventing some of their current complications. In this review, we discuss the key principles of 3DE for assessing the AV pathology and the incremental clinical benefits in comparison with conventional 2DE and Doppler echocardiography, justifying its implementation in the diagnostic workup of aortic diseases. In view of an effective clinical use, a brief section is dedicated to the acquisition modalities, display, and interpretation of various abnormalities by 3DE.

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