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Table 4 Follow-up Clinical and Echocardiographic Results

From: Is mitral valve repair superior to replacement for chronic ischemic mitral regurgitation with left ventricular dysfunction?

  Mitral repair Mitral replacement
  Preoperative (n = 112) At discharge (n = 109) Follow-up (n = 107) Preoperative (n = 106) At discharge (n = 102) Follow-up (n = 99)
Follow-up duration (month) 48.1 ± 13.7    50.2 ± 14.4   
NYHA class (Mean ± SD) 2.9 ± 1.0 1.5 ± 0.4 a 1.9 ± 0.5 a 2.8 ± 1.0 2.3 ± 0.7 a b 1.6 ± 0.4 a
NYHA class III or greater(n) 59(52.7%) 10(9.2%) a 21(19.6%) a 52(49.1%) 23(22.5%) a 11(11.1%) ac
LVEDD(mm) 66.29 ± 6.36 54.01 ± 5.15 a 49.01 ± 4.57 a 65.35 ± 6.29 62.14 ± 5.06 a b 50.22 ± 4.35 a
LVESD(mm) 50.21 ± 11.08 43.09 ± 8.54 a 39.12 ± 7.52* 51.12 ± 11.53 48.34 ± 8.02 a b 40.06 ± 7.76 a
LAD(mm) 58.04 ± 17.26 53.31 ± 15.03 a 48.32 ± 9.34 a 57.86 ± 17.15 54.02 ± 15.28 a 40.21 ± 8.05 ac
LVEF (%) 34.6 ± 5.5 45.3 ± 4.3 a 54.2 ± 3.1 a 35.1 ± 4.3 40.2 ± 4.9 a b 55.1 ± 3.6 a
SPAP(mmHg) 47.24 ± 14.31 40.43 ± 10.52 a 37.07 ± 8.26 a 48.01 ± 14.59 40.05 ± 10.12 a 31.24 ± 7.13 ac
Grade of MR (Mean ± SD) 3.57 ± 0.38 0.95 ± 0.36 a 1.30 ± 0.65 a 3.42 ± 0.35 0.15 ± 0.05 a 0.40 ± 0.10 ac
Carpentier classification[6], n (%)       
Ia MR 40(35.7%) 40(36.7%) 38(35.5%) 35(33.1%) 33(32.4%) 32(32.3%)
IIIb MR 72 (64.3%) 69(63.3%) 69(64.5%) 71(66.9%) 69(67.6%) 67(67.7%)
  1. Compares with Preoperative a p < 0.05; significantly MVR versus MVP group at discharge b p < 0.05; MVR versus MVP group in follow-up c p < 0.05.
  2. NYHA = New York Heart Association; LVEDD = left ventricular end-diastolic diameter; LVESD = left ventricular end-systolic diameter; LAD = left atrial diameter; LVEF = left ventricular ejection fraction; SPAP = systolic pulmonary artery pressure; MR = mitral regurgitation; SD = standard deviation.;