Transcatheter Mitral Valve Repair in Patients With Atrial Functional Mitral Regurgitation
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Transcatheter Mitral Valve Repair in Patients With Atrial Functional Mitral Regurgitation. / Doldi, Philipp; Stolz, Lukas; Orban, Mathias; Karam, Nicole; Praz, Fabien; Kalbacher, Daniel; Lubos, Edith; Braun, Daniel; Adamo, Marianna; Giannini, Cristina; Melica, Bruno; Näbauer, Michael; Higuchi, Satoshi; Wild, Mirjam; Neuss, Michael; Butter, Christian; Kassar, Mohammad; Petrescu, Aniela; Pfister, Roman; Iliadis, Christos; Unterhuber, Matthias; Thiele, Holger; Baldus, Stephan; von Bardeleben, Ralph Stephan; Schofer, Niklas; Hagl, Christian; Petronio, Anna Sonia; Massberg, Steffen; Windecker, Stephan; Lurz, Philipp; Metra, Marco; Hausleiter, Jörg.
In: JACC-CARDIOVASC IMAG, Vol. 15, No. 11, 15.11.2022, p. 1843-1851.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Transcatheter Mitral Valve Repair in Patients With Atrial Functional Mitral Regurgitation
AU - Doldi, Philipp
AU - Stolz, Lukas
AU - Orban, Mathias
AU - Karam, Nicole
AU - Praz, Fabien
AU - Kalbacher, Daniel
AU - Lubos, Edith
AU - Braun, Daniel
AU - Adamo, Marianna
AU - Giannini, Cristina
AU - Melica, Bruno
AU - Näbauer, Michael
AU - Higuchi, Satoshi
AU - Wild, Mirjam
AU - Neuss, Michael
AU - Butter, Christian
AU - Kassar, Mohammad
AU - Petrescu, Aniela
AU - Pfister, Roman
AU - Iliadis, Christos
AU - Unterhuber, Matthias
AU - Thiele, Holger
AU - Baldus, Stephan
AU - von Bardeleben, Ralph Stephan
AU - Schofer, Niklas
AU - Hagl, Christian
AU - Petronio, Anna Sonia
AU - Massberg, Steffen
AU - Windecker, Stephan
AU - Lurz, Philipp
AU - Metra, Marco
AU - Hausleiter, Jörg
N1 - Copyright © 2022 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
PY - 2022/11/15
Y1 - 2022/11/15
N2 - BACKGROUND: Among patients with severe functional mitral regurgitation (FMR), atrial functional mitral regurgitation (aFMR) represents an underrecognized entity. Data regarding outcomes after mitral valve transcatheter edge-to-edge repair (M-TEER) in aFMR remain scarce.OBJECTIVES: The objective of this study was to analyze the outcome of aFMR patients undergoing M-TEER.METHODS: Using patients from the international EuroSMR (European Registry of Transcatheter Repair for Secondary Mitral Regurgitation) registry undergoing M-TEER for FMR, the authors analyzed baseline characteristics and 2-year outcomes in aFMR in comparison to non-aFMR and ventricular FMR. Additionally, the impact of right ventricular dysfunction (RVD) (defined as right ventricular to pulmonary artery uncoupling) on outcome after M-TEER was assessed.RESULTS: Among 1,608 FMR patients treated by M-TEER, 126 (7.8%) were categorized as aFMR. All 126 aFMR patients had preserved left ventricular function without regional wall motion abnormalities, left arterial dilatation and Carpentier leaflet motion type I. Procedural success (defined as mitral regurgitation ≤2+ at discharge) was 87.2% (P < 0.001) and New York Heart Association (NYHA) functional class significantly improved during follow-up (NYHA functional class III/IV: 86.5% at baseline to 36.6% at follow-up; P < 0.001). The estimated 2-year survival rate in aFMR patients was 70.4%. Two-year survival did not differ significantly between aFMR, non-aFMR, and ventricular FMR. Besides NYHA functional class IV, RVD was identified as a strong independent predictor for 2-year survival (HR: 2.82 [95% CI: 1.24-6.45]; P = 0.014).CONCLUSIONS: aFMR is a frequent cause of FMR and can be effectively treated with M-TEER to improve symptoms at follow-up. Advanced heart failure symptoms and RVD were identified as important risk factors for survival in aFMR patients.
AB - BACKGROUND: Among patients with severe functional mitral regurgitation (FMR), atrial functional mitral regurgitation (aFMR) represents an underrecognized entity. Data regarding outcomes after mitral valve transcatheter edge-to-edge repair (M-TEER) in aFMR remain scarce.OBJECTIVES: The objective of this study was to analyze the outcome of aFMR patients undergoing M-TEER.METHODS: Using patients from the international EuroSMR (European Registry of Transcatheter Repair for Secondary Mitral Regurgitation) registry undergoing M-TEER for FMR, the authors analyzed baseline characteristics and 2-year outcomes in aFMR in comparison to non-aFMR and ventricular FMR. Additionally, the impact of right ventricular dysfunction (RVD) (defined as right ventricular to pulmonary artery uncoupling) on outcome after M-TEER was assessed.RESULTS: Among 1,608 FMR patients treated by M-TEER, 126 (7.8%) were categorized as aFMR. All 126 aFMR patients had preserved left ventricular function without regional wall motion abnormalities, left arterial dilatation and Carpentier leaflet motion type I. Procedural success (defined as mitral regurgitation ≤2+ at discharge) was 87.2% (P < 0.001) and New York Heart Association (NYHA) functional class significantly improved during follow-up (NYHA functional class III/IV: 86.5% at baseline to 36.6% at follow-up; P < 0.001). The estimated 2-year survival rate in aFMR patients was 70.4%. Two-year survival did not differ significantly between aFMR, non-aFMR, and ventricular FMR. Besides NYHA functional class IV, RVD was identified as a strong independent predictor for 2-year survival (HR: 2.82 [95% CI: 1.24-6.45]; P = 0.014).CONCLUSIONS: aFMR is a frequent cause of FMR and can be effectively treated with M-TEER to improve symptoms at follow-up. Advanced heart failure symptoms and RVD were identified as important risk factors for survival in aFMR patients.
KW - Humans
KW - Mitral Valve Insufficiency/diagnostic imaging
KW - Mitral Valve/diagnostic imaging
KW - Predictive Value of Tests
KW - Cardiac Surgical Procedures/adverse effects
KW - Ventricular Function, Left
KW - Ventricular Dysfunction, Right
KW - Treatment Outcome
KW - Heart Valve Prosthesis Implantation/adverse effects
U2 - 10.1016/j.jcmg.2022.05.009
DO - 10.1016/j.jcmg.2022.05.009
M3 - SCORING: Journal article
C2 - 35842361
VL - 15
SP - 1843
EP - 1851
JO - JACC-CARDIOVASC IMAG
JF - JACC-CARDIOVASC IMAG
SN - 1936-878X
IS - 11
ER -