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REVIEW  FUNCTIONAL TRICUSPID REGURGITATION: FROM PATHOPHYSIOLOGY TO THE NOVEL PERCUTANEOUS APPROACHES 

Minerva Cardioangiologica 2017 October;65(5):516-30

DOI: 10.23736/S0026-4725.17.04378-X

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Multimodality imaging to plan and guide transcatheter tricuspid valve interventions

Edgard A. PRIHADI, Victoria DELGADO, Jeroen J. BAX

Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands


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Tricuspid regurgitation (TR) is a highly prevalent valvular heart disease. The natural history of untreated significant TR portends an unfavorable outcome, but only a minority of patients is currently referred for surgical treatment. Organic TR (caused by primary abnormality of the leaflets) is relatively infrequent whereas secondary or functional TR (caused by dilatation of the tricuspid annulus, right ventricle [RV] and right atrium) is the predominant mechanism. The success of transcatheter therapies for left valvular heart disease over the last decade, has fueled similar development of novel transcatheter devices for the treatment of TR. Currently being tested in several clinical trials, each of these devices requires specific needs to define the procedural suitability. In addition, an accurate evaluation of the complex tricuspid anatomy, RV geometry and their relationship with the surrounding structures is mandatory. Therefore, accurate pre-procedural assessment using multimodality imaging techniques will undoubtedly play a pivotal role in achieving procedural success and safety. This review article provides a comprehensive overview on the etiology and different mechanisms of TR, and highlights the role of multimodality imaging techniques in the assessment of TR severity, RV dysfunction and fulfilment of device-specific selection criteria.


KEY WORDS: Multimodal imaging - Tricuspid valve insufficiency - Transcatheter aortic valve replacement

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