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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.