The impact of surgical ventricular restoration on mitral valve regurgitation

The Annals of Thoracic Surgery
Roni B PruczJohn V Conte

Abstract

Surgical management of functional mitral regurgitation (MR) in ischemic cardiomyopathy is controversial. Surgical ventricular restoration (SVR) decreases left ventricular volume and may improve MR severity. We assessed the impact of SVR on the degree of MR. We retrospectively reviewed patients with ejection fractions (EF) < 0.35 who underwent SVR with coronary artery bypass grafting (SVR+CABG) over a 3-year period. Patients with concomitant mitral valve procedures were excluded. Patients with EF < 0.35 who had CABG alone during the same time period served as control. Mitral regurgitation was graded 0 to 4+ by echocardiogram and ventriculogram. Outcomes included survival, MR grade, and cardiac function. Thirty-nine patients received SVR+CABG: 3% (1 of 39) had 4+, 10% (4 of 39) had 3+, 51% (20 of 39) had 2+, and 36% (14 of 39) had 0 to 1+ MR. Thirty-five patients with a similar MR distribution underwent CABG alone. Operative mortality was 2.6% for SVR+CABG and 5.7% for CABG patients (p = 0.62). At follow-up, MR grade decreased by 57% (2.24 +/- 0.5 to 1.24 +/- 0.9, p < 0.001) for the SVR+CABG group compared to 12% (2.25 +/- 0.5 to 2.00 +/- 0.9, p = 0.27) for the CABG alone group. SVR+CABG patients had significantly less MR than CA...Continue Reading

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Citations

Dec 14, 2011·Current Heart Failure Reports·Juan A Crestanello
Feb 1, 2010·The Indian Journal of Surgery·Anupam A SuleSanjeev S Thakur
Jun 15, 2011·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Patrick KleinRobert J M Klautz
Jan 18, 2013·Herz·H AubinA Lichtenberg
Jan 21, 2014·Journal of Cardiac Failure·Lynn PunnooseEvelyn M Horn
Jan 4, 2017·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Christos G MihosOrlando Santana
Sep 9, 2021·Journal of Cardiac Surgery·Ali Fatehi HassanabadImtiaz S Ali
Sep 1, 2019·The Annals of Thoracic Surgery·Yangwu SongZhe Zheng

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