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Thorac Cardiovasc Surg 2018; 66(07): 537-544
DOI: 10.1055/s-0037-1606329
Original Cardiovascular
Georg Thieme Verlag KG Stuttgart · New York

MitraClip for High-Risk Patients with Significant Mitral Insufficiency: Shall We Unreservedly Recommend It?

Roya Ostovar
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
,
Thomas Claus
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
,
Martin Hartrumpf
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
,
Ralf Uwe Kuehnel
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
,
Christian Braun
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
,
Christian Butter
2   Department of Cardiology, Heart Center Brandenburg, Bernau, Brandenburg Medical School, Germany
,
Johannes M. Albes
1   Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau bei Berlin, Brandenburg Medical School, Germany
› Author Affiliations
Further Information

Publication History

04 April 2017

24 July 2017

Publication Date:
18 September 2017 (online)

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Abstract

Background MitraClip (Abbott Inc.) is propagated as a palliative option for high-risk patients with mitral insufficiency considered not qualifying for surgical repair. A proportion of patients requires consecutive surgery because of technical failure or inappropriate clinical improvement. Furthermore, surgical reconstruction is impossible in almost all patients after MitraClip implantation. Consequently, these patients receive replacement although primary repair may have been possible. The outcome of those patients compared with patients receiving primary mitral valve replacement (MVR) or mitral valve repair (MVP) was analyzed.

Methods A total of 23 patients were retrospectively analyzed after MVR following MitraClip. Overall, 46 patients with corresponding demographic data and risk profile receiving primary MVR (23 patients) or MVP (23 patients) were retrieved for matched pair analysis.

Results Mean age was 70 years in all groups, log European system for cardiac operative risk evaluation (EuroSCORE) was 22.47% ± 16.30 in MVR after MitraClip (MC), 22.34% ± 16.23 in MVP, and 22.33% ± 16.14 in MVR group. Preoperative left ventricular ejection fraction (LVEF) was 44%, and postoperative LVEF was 48% in all groups. The 30-day mortality was 21.7% in the MitraClip group whereas it was 4.3% in the MVR and 13.0% in the MVP group. The 1-year survival was 56.5% in the MitraClip group while it was 95.6% in the MVR group and 82.6% in the MVP group (Wilcoxon test: p = 0.007; chi-square test: p = 0.001 MitraClip vs. MVR; p = 0.054 MitraClip vs. MVP).

Conclusions Patients requiring surgical MVR after the previous MitraClip fared worse than matched cohorts receiving primary MVR or MVP. Indication for MitraClip should, therefore, be made very cautiously given the excellent results gained with primary surgery.

Keywords

mitral valve surgery - heart valve surgery - outcomes

Note

This article was presented at the 46th Annual Meeting of the German Society for Thoracic and Cardiovascular Surgery; February 12, 2017; Congress Center Leipzig, Walton Lillehei.


 

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