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Table 1 Baseline characteristics

From: Influence of procedural differences on mitral valve configuration after surgical repair for functional mitral regurgitation: in which direction should the papillary muscle be relocated?

  RMAP Posterior PMR Anterior PMR P-value
(n = 23) (n = 10) (n = 6)
Age, years 70 ± 6 65 ± 7 68 ± 8 0.16
Male 17 (73.9) 9 (90.0) 3 (50.0) 0.21
NYHA functional class
  1 2 (8.7) 0 0 0.48
  2 12 (52.2) 3 (30.0) 1 (16.7) 0.21
  3 8 (34.8) 4 (40.0) 3 (50.0) 0.79
  4 1 (4.3) 3 (30.0) 2 (33.3) 0.071
Preoperative inotropic support 2 (8.7) 3 (30.0) 2 (33.3) 0.19
Etiology
  Ischemic 23 (100) 8 (80.0) 1 (16.7) <0.001
  Non-ischemic 0 2 (20.0) 5 (83.3) <0.001
Echocardiographic data
  MR grade 2.6 ± 0.6 3.8 ± 0.4a 3.7 ± 0.5a <0.01
  LVEDD (mm) 66.3 ± 6.4 70.4 ± 7.4 66.2 ± 3.6 0.24
  LVESD (mm) 48.7 ± 12.0 61.2 ± 9.7a 57.3 ± 4.2 <0.01
  LVEF (%) 40.4 ± 11.7 31.9 ± 5.4a 29.7 ± 7.4a 0.026
  1. Data are mean ± standard deviation, or n (%). MR: Mitral regurgitation; RMAP: Restrictive mitral annuloplasty; PMR: Papillary muscle relocation; LVEDD: Left ventricular end-diastolic diameter; LVESD: Left ventricular end-systolic diameter; LVEF: Left ventricular ejection fraction.
  2. aP < 0.05 compared with RMAP (Tukey–Kramer test).