Percutaneous mitral valve edge-to-edge repair: in-hospital results and 1-year follow-up of 628 patients of the 2011-2012 Pilot European Sentinel Registry.

Nickenig, Georg; Estevez-Loureiro, Rodrigo; Franzen, Olaf; Tamburino, Corrado; Vanderheyden, Marc; Lüscher, Thomas F; Moat, Neil; Price, Susanna; Dall'Ara, Gianni; Winter, Reidar; Corti, Roberto; Grasso, Carmelo; Snow, Thomas M; Jeger, Raban; Blankenberg, Stefan; Settergren, Magnus; Tiroch, Klaus; Balzer, Jan; Petronio, Anna Sonia; Büttner, Heinz-Joachim; ... (2014). Percutaneous mitral valve edge-to-edge repair: in-hospital results and 1-year follow-up of 628 patients of the 2011-2012 Pilot European Sentinel Registry. Journal of the American College of Cardiology, 64(9), pp. 875-884. Elsevier 10.1016/j.jacc.2014.06.1166

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BACKGROUND The use of transcatheter mitral valve repair (TMVR) has gained widespread acceptance in Europe, but data on immediate success, safety, and long-term echocardiographic follow-up in real-world patients are still limited. OBJECTIVES The aim of this multinational registry is to present a real-world overview of TMVR use in Europe. METHODS The Transcatheter Valve Treatment Sentinel Pilot Registry is a prospective, independent, consecutive collection of individual patient data. RESULTS A total of 628 patients (mean age 74.2 ± 9.7 years, 63.1% men) underwent TMVR between January 2011 and December 2012 in 25 centers in 8 European countries. The prevalent pathogenesis was functional mitral regurgitation (FMR) (n = 452 [72.0%]). The majority of patients (85.5%) were highly symptomatic (New York Heart Association functional class III or higher), with a high logistic EuroSCORE (European System for Cardiac Operative Risk Evaluation) (20.4 ± 16.7%). Acute procedural success was high (95.4%) and similar in FMR and degenerative mitral regurgitation (p = 0.662). One clip was implanted in 61.4% of patients. In-hospital mortality was low (2.9%), without significant differences between groups. The estimated 1-year mortality was 15.3%, which was similar for FMR and degenerative mitral regurgitation. The estimated 1-year rate of rehospitalization because of heart failure was 22.8%, significantly higher in the FMR group (25.8% vs. 12.0%, p[log-rank] = 0.009). Paired echocardiographic data from the 1-year follow-up, available for 368 consecutive patients in 15 centers, showed a persistent reduction in the degree of mitral regurgitation at 1 year (6.0% of patients with severe mitral regurgitation). CONCLUSIONS This independent, contemporary registry shows that TMVR is associated with high immediate success, low complication rates, and sustained 1-year reduction of the severity of mitral regurgitation and improvement of clinical symptoms.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Windecker, Stephan

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0735-1097

Publisher:

Elsevier

Language:

English

Submitter:

Judith Liniger

Date Deposited:

05 May 2015 16:31

Last Modified:

28 Oct 2015 11:43

Publisher DOI:

10.1016/j.jacc.2014.06.1166

PubMed ID:

25169171

Uncontrolled Keywords:

MitraClip, mitral regurgitation, percutaneous mitral valve repair, registry

BORIS DOI:

10.7892/boris.61990

URI:

https://boris.unibe.ch/id/eprint/61990

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