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Table 1 Preoperative, clinical, and perioperative variables of the patients

From: Mitral valve repair, how to make volume not matter; techniques, tendencies, and outcomes, a single center experience

Variable n (%) No resection n = 142 Resection n = 58 P value
Preoperative variables
 Male sex 83 (58.4) 39 (67,2) 0,247
 Age years, median IQR 58 (48–66) 56 (48–66) 0,969
 Diabetes 9 (6,3) 1 (1,7) 0,287
 Dyslipidemia 18 (12,7) 11 (18,9) 0,252
 Dialysis 2 (1,4) 3 (5,2) 0,147
 Hypertension 59 (41,5) 20 (34,5) 0,354
 COPD 7 (4,9) 4 (6,9) 0,580
 Creatinine 1 (0,9-1,08) 0,95 (0,9–1) 0,821
 Previous myocardial infarction 0 3 (5,2) 0,023
 Previous cardiac operation 4 (2.8) 1 (1,7) 0,999
 NYHA functional class    0,079
  I 12 (8,7) 9 (17,3)  
  II 99 (72,3) 36 (69,2)  
  III 26 (19) 7 (13,5)  
 Previous arrhythmia 48 (33,8) 19 (32,8) 0,887
 LVEF, median IQR 55 (50–60) 60 (51–65) 0,013
Perioperative variables
 Isolated ring annuloplasty 14 (9,8) 0 (0,0) < 0,001
 Isolated MV repair 107 (75) 49 (84,5) 0,108
 Non-Isolated MV repair 35 (25) 9 (15,5) 0,235
  ASD closure 7 (4,9) 0 (0,0) 0,086
  Tricuspid repair 24 (16,9) 9 (15,5) 0,809
  Tricuspid replacement 1 (0,7) 0 (0,0) 0,001
  Tricuspid repair+ASD closure 3 (2,1) 0 (0,0) 0,013
 Minimally invasive 51 (35,9) 7 (12.1) < 0,001
 ICU stay days 1 (1–4) 1 (1–3) 0,495
 Post ICU stay (days) 3 (2–5) 4 (3–5) 0,674
Degenerative MV pathology
 Posterior leaflet prolapse 47 (33,1) 35 (60,3) 0,004
 Anterior leaflet prolapse 23 (16,1) 4 (6,8) 0,079
 Bileaflet prolapse 17 (11,9) 3 (5,1) 0,144
 Elongated/ruptured chord(s) 29 (20,4) 10 (17,2) 0,604
 Annular dilation 25 (17,6) 2 (3,4) 0,014
 Unknown 1 (0,7) 4 (6,9) 0,011
Postoperative complications
 Reoperation for bleeding 0 (0,0) 2 (3,4) 0,083
 Renal impairment 2 (1,4) 0 (0,0) 0,503
 Hospital length of stay 8 (5–15) 8 (5–14) 0,906
 Mortality 30 days 0 (0,0) 0 (0,0)  
  1. Categorical data are expressed as number (%) and continuous data as median (Interquartile range)
  2. COPD Chronic Obstructive Pulmonary Disease, ICU Intensive Care Unit, IQR Interquartile Range, LVEF Left Ventricular Ejection Fraction, NYHA New York Hear Association