Table 2 Perioperative data
From: Acute kidney injury in septua- and octogenarians after cardiac surgery
Variable | Septuagenarians (n = 299) | Octogenarians (n = 299) | p-value |
|---|---|---|---|
Aortic cross-clamp time [min] | 60 (46; 80) | 57 (43; 75) | 0.02 |
ICU-stay [days] | 1 (1; 4) | 2 (1; 4) | 0.87 |
Hospital stay [days] | 12 (10; 16) | 13 (10; 17) | 0.24 |
Respiratory failure [%]A | 8.4 | 9.0 | 0.89 |
Ventilation time [hours] | 12 (9; 18) | 12 (9; 19) | 0.25 |
Re-Intubation [%] | 6 | 7.7 | 0.52 |
Temporary tracheotomy [%] | 2.7 | 3.3 | 0.81 |
Central neurological event [%]B | 2.7 | 5.4 | 0.14 |
Redo-Thoracotomy [%] | 10 | 5.4 | 0.05 |
Drain loss [mL] | 500 (300; 800) | 450 (300; 750) | 0.18 |
Use of left internal mammary artery [%]C | 89 | 86 | 0.85 |
Use of left internal mammary artery [%]D | 71 | 64 | 0.39 |
Number diseased vesselsD | 2 | 3 | 0.21 |
Number of grafts [n] | 2 (2; 3) | 3 (3; 2) | 0.67 |
Low cardiac output syndrome [%] | 2 | 3 | 0.60 |