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) | 2.30 ± 0.35 | 2.27 ± 0.30 | 2.33 ± 0.32 | 2.22 ± 0.30 | 2.30 ± 0.28 | 0.983 |
Ionized magnesium (mmol/L) | 0.61 ± 0.10 | 0.56 ± 0.04 | 0.55 ± 0.06 | 0.53 ± 0.05 | 0.57 ± 0.05 | 0.545 |
Total calcium (mg/dL) | 9.08 ± 0.72 | 8.98 ± 0.65 | 8.95 ± 0.45 | 9.12 ± 0.47 | 9.13 ± 0.41 | 0.969 |
Ionized calcium (mmol/L) | 1.16 ± 0.08 | 1.16 ± 0.11 | 1.14 ± 0.07 | 1.15 ± 0.07 | 1.16 ± 0.05 | 0.992 |
pH | 7.38 ± 0.03 | 7.38 ± 0.01 | 7.38 ± 0.03 | 7.38 ± 0.02 | 7.38 ± 0.02 | 0.591 |
Post-dialysis values | ||||||
Total magnesium (mg/dL) | 1.93 ± 0.14 | 1.95 ± 0.16 | 2.00 ± 0.15 | 1.95 ± 0.10 | 1.93 ± 0.12 | 0.911 |
Ionized magnesium (mmol/L) | 0.45 ± 0.05 | 0.44 ± 0.03 | 0.49 ± 0.02 | 0.43 ± 0.04 | 0.46 ± 0.02 | 0.166 |
Total calcium (mg/dL) | 9.92 ± 0.23 | 9.70 ± 0.18 | 10.0 ± 0.22 | 10.0 ± 0.25 | 9.95 ± 0.20 | 0.113 |
Ionized calcium (mmol/L) | 1.27 ± 0.06 | 1.21 ± 0.07 | 1.28 ± 0.02 | 1.27 ± 0.07 | 1.25 ± 0.04 | 0.207 |
pH | 7.41 ± 0.03 | 7.41 ± 0.03 | 7.42 ± 0.03 | 7.41 ± 0.02 | 7.41 ± 0.02 | 0.790 |
Pre-dialysis to post-dialysis | ||||||
Total magnesium (%) | 85.1 ± 9.2 | 86.6 ± 6.2 | 86.4 ± 6.7 | 87.2 ± 7.9 | 84.6 ± 5.6 | 0.967 |
Ionized magnesium (%) | 73.9 ± 7.3 | 79.1 ± 11.8 | 79.3 ± 7.9 | 78.4 ± 8.3 | 81.3 ± 9.5 | 0.373 |
Total calcium (%) | 109.0 ± 7.9 | 108.4 ± 6.9 | 111.9 ± 4.0 | 110.1 ± 5.8 | 109.1 ± 4.1 | 0.878 |
Ionized calcium (%) | 109.8 ± 6.7 | 105.8 ± 4.4 | 112.8 ± 7.0 | 109.2 ± 2.5 | 107.5 ± 6.7 | 0.672 |
pH | 100.3 ± 0.4 | 100.5 ± 0.4 | 100.6 ± 0.5 | 100.4 ± 0.3 | 100.4 ± 0.3 | 0.750 |
Removal amount | ||||||
Magnesium (mg) | 90 ± 95 | 67 ± 62 | 43 ± 72 | 128 ± 91 | 87 ± 94 | 0.513 |
Calcium (mg) | 196 ± 154 | 81 ± 85 | 187 ± 160 | 204 ± 90 | 202 ± 113 | 0.397 |
Albumin leakage (g/session) | 3.1 ± 1.2 | 3.0 ± 0.4 | 4.3 ± 0.9 | 5.2 ± 0.9 | 2.8 ± 0.5 | < 0.001 |