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Table 3 Postoperative outcomes

From: Comparison of clinical outcomes in patients undergoing mitral valve replacement with mechanical or biological substitutes: a 20 years cohort

Variable Sample (n = 352) Mechanical prosthesis (n = 247) Biological prosthesis (n = 105) p
Hospitalization time (days) - median (P25–P75) 13 (10–20) 12 (9–18) 17 (13–27) < 0.001
ICU time (days) - median (P25–P75) 3 (2.8–4) 3 (2.8–3.8) 3.3 (2.9–4.2) 0.009
PO hospitalization time (days) - median (P25–P75) 8 (7–11) 8 (7–10) 10 (8–14) < 0.001
Mechanical ventilation time (h) - median (P25–P75) 15 (9–20) 14 (8–20) 17 (12–24) < 0.001
Mechanical ventilation > 5 days - n (%) 7 (2.0) 4 (1.6) 3 (2.9) 0.431
AMI - n (%) 3 (0.9) 2 (0.8) 1 (1.0) 1.000
Stroke - n (%) 7 (2.0) 5 (2.0) 2 (1.9) 1.000
Arrhythmia requiring cardioversion - n (%) 13 (3.7) 7 (2.8) 6 (5.7) 0.219
Dialysis 2 (0.6) 0 (0.0) 2 (1.9) 0.088
Reoperation due to bleeding - n (%) 15 (4.3) 10 (4.0) 5 (4.8) 0.776
Cardiac tamponade - n (%) 10 (2.8) 7 (2.8) 3 (2.9) 1.000
Permanent TAVB 4 (1.1) 2 (0.8) 2 (1.9) 0.586
  1. P25 = 25th Percentile; P75 = 75th Percentile; ICU, intensive care unit; PO, postoperative; AMI, acute myocardial infarction; TAVB, total atrioventricular block.