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Table 1 Preoperative characteristics

From: Mitral valve reoperation under ventricular fibrillation through right mini-thoracotomy using three-dimensional videoscope

  Group I (N = 10) Group II (N = 27) p value
Age (years) 68.0 ± 15.0 62.8 ± 15.3 0.217
Female 5 (50.0%) 9 (33.3%) 0.454
BSA (m 2 ) 1.54 ± 0.29 1.57 ± 0.18 0.411
LVEF (%) 50.5 ± 19.8 64.4 ± 12.0 0.046
PAP (mmHg) 37.1 ± 13.7 42.9 ± 13.9 0.255
LVDd (mm) 57.0 ± 8.7 48.2 ± 6.7 0.009
LVDs (mm) 42.3 ± 15.2 30.6 ± 5.9 0.009
LAD (mm) 46.5 ± 9.3 50.2 ± 11.9 0.339
MR (0–4) 3.9 ± 0.2 3.1 ± 1.1 0.046
AF 3 (30.0%) 11 (40.7%) 0.710
NYHA (1–4) 2.6 ± 0.7 2.2 ± 1.0 0.228
Euro SCORE 4.8 ± 2.0 3.8 ± 2.4 0.037
Prior cardiac surgery
MVP 5 (50.0%) 9 (33.3%) 0.454
CABG 3 (30.0%) 1 (3.7%) 0.052
MVR 0 (0%) 5 (18.5%) 0.295
AVR 1 (10.0%) 3 (11.1%) 1.000
Redo MVR 1 (10.0%) 1 (3.7%) 0.473
Congenital cardiac surgery 0 (0%) 4 (14.8%) 0.557
Complex valve surgery 0 (0%) 3 (11.1%) 0.548
Bentall procedure 0 (0%) 1 (3.7%) 1.000
  1. BSA, body surface area; LVEF, left ventricular ejection fraction; PAP, pulmonary artery.
  2. pressure; Dd, dimension diastolic; Ds, dimension systolic; LAD, left atrial dimension; MR.
  3. mitral regurgitation; AF, atrial fibrillation; NYHA, New York Heart Association; MVP.
  4. mitral valve plasty; CABG, coronary artery bypass grafting; MVR, mitral valve replacement;
  5. AVR, aortic valve replacement.