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CURRENT ISSUETHE JOURNAL OF CARDIOVASCULAR SURGERY

A Journal on Cardiac, Vascular and Thoracic Surgery

Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632

Frequency: Bi-Monthly

ISSN 0021-9509

Online ISSN 1827-191X

 

The Journal of Cardiovascular Surgery 2016 June;57(3):401-9

RECENT ADVANCES IN TRANSCATHETER MITRAL VALVE REPLACEMENT 

    REVIEWS

Balloon expandable transcatheter heart valves for native mitral valve disease with severe mitral annular calcification

Mayra GUERRERO 1, Marina URENA 2, Amit PURSNANI 1, Dee D. WANG 3, Alec VAHANIAN 2, William O’NEILL 3, Ted FELDMAN 1, Dominique HIMBERT 2

1 Division of Cardiology, Evanston Hospital, North Shore University Health System, Evanston, IL, USA; 2 Department of Cardiology, Bichat Hospital, Paris, France; 3 Institute of Structural Heart Disease, Henry Ford Health System, Detroit, IL, USA

Patients with mitral annular calcification (MAC) have high surgical risk for mitral valve replacement due to associated comorbidities and technical challenges related to calcium burden, precluding surgery in many patients. Transcatheter mitral valve replacement (TMVR) with the compassionate use of balloon expandable aortic transcatheter heart valves has been used in this clinical scenario. The purpose of this review was to summarize the early experience including successes and failures reported. TMVR might evolve into an acceptable alternative for selected patients with severe MAC who are not candidates for conventional mitral valve surgery. However, this field is at a very early stage and the progress will be significantly slower than the development of transcatheter aortic valve replacement due to the complexity of the mitral valve anatomy and its pathology. Optimizing patient selection process by using multimodality imaging tools to accurately measure the mitral valve annulus and evaluate the risk of left ventricular outflow tract obstruction is essential to minimize complications. Strategies for treating and preventing left ventricular outflow tract obstruction are being tested. Similarly, carefully selecting candidates avoiding patients at the end of their disease process, might improve the overall outcomes.

language: English


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