Table 4 Post-mortem analysis, indexed lungs weight and wet-to-dry ratios, according to RIFLE classification
Variable | NO AKI (n: 27) | RIFLE 1: risk (n: 18) | RIFLE 2: injury (n: 18) | RIFLE 3: failure (n: 15) | p-value |
|---|---|---|---|---|---|
Fluid balance (mL) | 3.48 (± 2.56) | 2.74 (± 1.75) | 4.04 (± 3.65) | 6.89 (± 4.52) | 0.002 |
Sodium retention (mEq) | 658 (± 348) | 526 (± 239) | 785 (± 539) | 1435 (± 479) | < 0.001 |
Lungs’ weight (g/KgBW) | 21.6 (7.0) | 18.4 (4.7) | 20.5 (8.0) | 24.5 (6.7) | 0.080 |
Wet-to-dry lungs | 6.48 (0.71) | 6.72 (1.19) | 6.56 (0.97) | 6.86 (1.06) | 0.622 |
Wet-to-dry kidneys | 4.70 (1.02) | 5.40 (0.83) | 5.30 (0.66) | 6.01 (0.47) | < 0.001 |
Wet-to-dry liver | 3.88 (0.40) | 4.31 (0.52) | 4.04 (0.45) | 4.20 (0.45) | 0.041 |
Wet-to-dry bowel | 5.65 (0.84) | 5.52 (0.49) | 5.61 (0.69) | 5.59 (1.44) | 0.983 |
Wet-to-dry muscle | 3.78 (0.72) | 3.92 (0.53) | 4.00 (0.64) | 3.68 (0.58) | 0.551 |