Table 1.
Perioperative characteristics of kidney donors.
| Control Group (n = 85) | RIPC Group (n = 85) | p-Value | |
|---|---|---|---|
| Preoperative characteristics | |||
| Age, year | 42.0 (33.0–49.0) | 44.0 (37.0–51.0) | 0.33 |
| Males, n (%) | 46 (54.1) | 26 (30.5) | <0.01 |
| Body mass index, kg/m2 | 24.0 ± 2.8 | 23.7 ± 2.9 | 0.45 |
| sCr, mg/dL | 0.8 (0.7–0.9) | 0.7 (0.6–0.8) | <0.01 |
| eGFR, mL/min/1.73 m2 | 106.6 ± 11.1 | 106.8 ± 10.6 | 0.90 |
| ASA PS 1/2 | 60/25 | 59/26 | 1.00 |
| Intraoperative characteristics | |||
| Operation time | 212.0 (190.0–235.0) | 205.0 (183.0–225.0) | 0.09 |
| HALS, n (%) | 66 (77.7) | 75 (88.2) | 0.10 |
| Kidney (right), n (%) | 34 (40.0) | 36 (42.4) | 0.88 |
| Plasmalyte, mL | 1302.1 ± 547.3 | 1205.9 ± 534.1 | 0.25 |
| Transfusion of RBC, n (%) | 0 (0) | 1 (1.2) | 1.00 |
| 20% Mannitol, mL | 160.0 (140.0–190.0) | 150.0 (14.0.0–175.0) | 0.33 |
| Urine output, mL | 270.0 (220.0–420.0) | 290.0 (190.0–400.0) | 0.37 |
| Mean blood pressure, mmHg | |||
| Before RIPC | 76.0 (71.0–89.0) | 78.0 (71.0–89.0) | 0.63 |
| After RIPC | 84.2 ± 9.6 | 85.4 ± 12.8 | 0.51 |
| Cystatin C, mg/L | 0.9 ± 0.1 | 0.9 ± 0.2 | 0.39 |
RIPC, remote ischemic preconditioning; sCr, serum creatinine; ASA PS, American Society of Anesthesiologists physical status; eGFR, estimated glomerular filtration rate based on the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation; HALS, hand-assisted laparoscopic surgery; RBC, red blood cells. Data are expressed as mean ± standard deviation (SD), median and interquartile range, or number (%), as appropriate.