ISSN: 2451-0629
Archives of Medical Science - Atherosclerotic Diseases
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Official journal of the International Lipid Expert Panel (ILEP)
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1/2020
vol. 5
 
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abstract:
Clinical research

Comparison of effectiveness and survival after the MitraClip or Carillon procedure for severe functional mitral regurgitation: a single-center retrospective analysis

Stephan Heyl
1
,
Aria Nikkhoo
1
,
Markus Wieszner
1
,
Stephan Fichtlscherer
1
,
Florian Seeger
1
,
Birgit Assmus
1
,
Brigitte Luu
1
,
Katrin Hemmann
1
,
Claudia Walther
1
,
Joerg Honold
1

1.
Department of Cardiology, Franfurt University Hospital, Frankfurt, Germany
Arch Med Sci Atheroscler Dis 2020; 5: e171–e177
Online publish date: 2020/07/11
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Introduction
Current studies suggest improved survival in patients with severe functional mitral regurgitation (FMR) treated successfully with the MitraClip (MC) compared to medical treatment alone, in addition to a significant reduction of FMR severity. Recently, the Carillon system (CS) has also been shown to significantly reduce FMR. However, whether this beneficial effect of CS also translates into a survival benefit comparable to the MC system has not been investigated so far. The aim of the study was to compare the course of FMR grade and mortality after MC or CS in a retrospective, non-randomized, single-center analysis.

Material and methods
A hundred and fifty-four patients with symptomatic FMR 2+ were included in this study (MC: n = 117, CS: n = 37). Baseline characteristics did not differ significantly between groups.

Results
Initially, the degree of FMR was reduced in the MC group from 2.9 ±0.3 to 1.7 ±0.7 and from 2.7 ±0.5 to 2.1 ±0.7 in the CS group, p within and between groups < 0.01. Within 6 months, FMR remained reduced in the MC group (1.83 ±0.6) and CS group (2.1 ±0.7). One-year survival was 34.8% in the MC group and 54.8% in the CS group (p = 0.663). Median long-term survival was 1.66 years in the MC group and 3.92 years in the CS group, log rank p = 0.001.

keywords:

survival, MitraClip, functional mitral regurgitation, Carillon

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