Impact of left ventricular to mitral valve ring mismatch on recurrent ischemic mitral regurgitation after ring annuloplasty

Romain Capoulade, Xin Zeng, Jessica R. Overbey, Gorav Ailawadi, John H. Alexander, Deborah Ascheim, Michael Bowdish, Annetine C. Gelijns, Paul Grayburn, Irving L. Kron, Robert A. Levine, Michael J. Mack, Serguei Melnitchouk, Robert E. Michler, John C. Mullen, Patrick O'Gara, Michael K. Parides, Peter Smith, Pierre Voisine, Judy Hung

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


Background: In ischemic mitral regurgitation (IMR), ring annuloplasty is associated with a significant rate of recurrent MR. Ring size is based on intertrigonal distance without consideration of left ventricular (LV) size. However, LV size is an important determinant of mitral valve (MV) leaflet tethering before and after repair. We aimed to determine whether LV-MV ring mismatch (mismatch of LV size relative to ring size) is associated with recurrent MR in patients with IMR after restrictive ring annuloplasty. Methods: Patients with moderate or severe IMR from the 2 Cardiothoracic Surgical Trials Network IMR trials who received MV repair were examined at 1 year after surgery. Baseline LV size was assessed by LV end-diastolic dimension and LV end-systolic dimension (LVESd). LV-MV ring mismatch was calculated as the ratio of LV to ring size (LV end-diastolic dimension/ring size and LVESd/ring size). Results: At 1 year after ring annuloplasty, 45 of 214 patients with MV repair (21%) had moderate or greater MR. In univariable logistic regression analysis, larger LVESd (P=0.02) and LVESd/ring size (P=0.007) were associated with recurrent MR. In multivariable models adjusted for age, sex, baseline LV ejection fraction, and severe IMR, only LVESd/ring size (odd ratio per 0.5 increase, 2.20; 95% confidence interval, 1.05-4.62; P=0.038) remained significantly associated with 1-year MR recurrence. Conclusions: LV-MV ring size mismatch is associated with increased risk of MR recurrence. This finding may be helpful in guiding choice of ring size to prevent recurrent MR in patients undergoing MV repair and in identifying patients who may benefit from MV repair with additional subvalvular intervention or MV replacement rather than repair alone. Clinical Trial Registration: URL: Unique identifiers: NCT00806988 and NCT00807040.

Original languageEnglish (US)
Pages (from-to)1247-1256
Number of pages10
Issue number17
StatePublished - Oct 25 2016


  • ischemic heart disease
  • mitral regurgitation
  • mitral valve
  • mitral valve annuloplasty

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)


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