Substitution volume [L/session] | Pre-dilution | Post-dilution | HD (n = 6) | P (5 groups) | ||
---|---|---|---|---|---|---|
60 (n = 6) | 84 (n = 6) | 8 (n = 6) | 16 (n = 6) | |||
Pre-dialysis values | ||||||
Total magnesium (mg/dL) | 2.32 ± 0.37 | 2.32 ± 0.35 | 2.27 ± 0.33 | 2.25 ± 0.32 | 2.32 ± 0.39 | 0.995 |
Ionized magnesium (mmol/L) | 0.53 ± 0.05 | 0.52 ± 0.06 | 0.52 ± 0.04 | 0.53 ± 0.05 | 0.52 ± 0.06 | 0.994 |
Total calcium (mg/dL) | 9.33 ± 0.76 | 9.27 ± 0.83 | 9.23 ± 0.54 | 9.35 ± 0.71 | 9.12 ± 0.59 | 0.979 |
Ionized calcium (mmol/L) | 1.13 ± 0.05 | 1.15 ± 0.06 | 1.11 ± 0.07 | 1.17 ± 0.06 | 1.14 ± 0.05 | 0.588 |
pH | 7.40 ± 0.02 | 7.39 ± 0.02 | 7.39 ± 0.03 | 7.40 ± 0.02 | 7.40 ± 0.02 | 7.848 |
Post-dialysis values | ||||||
Total magnesium (mg/dL) | 1.92 ± 0.10 | 1.97 ± 0.12 | 1.85 ± 0.14 | 1.92 ± 0.12 | 1.92 ± 0.19 | 0.488 |
Ionized magnesium (mmol/L) | 0.39 ± 0.05 | 0.40 ± 0.04 | 0.38 ± 0.05 | 0.39 ± 0.04 | 0.40 ± 0.04 | 0.956 |
Total calcium (mg/dL) | 9.60 ± 0.20 | 9.62 ± 0.36 | 9.65 ± 0.19 | 9.67 ± 0.31 | 9.45 ± 0.19 | 0.437 |
Ionized calcium (mmol/L) | 1.14 ± 0.02 | 1.14 ± 0.01 | 1.13 ± 0.03 | 1.14 ± 0.03 | 1.13 ± 0.03 | 0.868 |
pH | 7.46 ± 0.01 | 7.46 ± 0.01 | 7.45 ± 0.01 | 7.47 ± 0.02 | 7.47 ± 0.02 | 0.557 |
Pre-dialysis to post-dialysis | ||||||
Total magnesium (%) | 83.8 ± 8.4 | 86.0 ± 9.4 | 82.4 ± 6.9 | 86.1 ± 8.1 | 83.8 ± 9.1 | 0.928 |
Ionized magnesium (%) | 74.9 ± 7.7 | 75.6 ± 9.0 | 73.8 ± 10.3 | 73.3 ± 9.8 | 78.3 ± 10.2 | 0.904 |
Total calcium (%) | 103.3 ± 6.1 | 104.2 ± 5.7 | 104.7 ± 5.0 | 103.7 ± 4.6 | 103.9 ± 5.1 | 0.999 |
Ionized calcium (%) | 100.8 ± 4.6 | 99.4 ± 4.1 | 101.9 ± 4.4 | 98.1 ± 5.7 | 99.3 ± 5.6 | 0.717 |
pH | 100.9 ± 0.2 | 100.9 ± 0.2 | 100.9 ± 0.3 | 100.9 ± 0.2 | 101.0 ± 0.5 | 0.988 |
Removal amount | ||||||
Magnesium (mg) | 104 ± 80 | 113 ± 87 | 37 ± 68 | 120 ± 50 | 141 ± 63 | 0.192 |
Calcium (mg) | 294 ± 210 | 222 ± 107 | 267 ± 134 | 294 ± 199 | 217 ± 115 | 0.941 |
Albumin leakage (g/session) | 3.1 ± 0.3 | 3.3 ± 0.3 | 4.9 ± 0.7 | 5.1 ± 0.9 | 3.2 ± 0.5 | 0.003 |