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) | 2.60 ± 0.12 | 2.50 ± 0.10 | 2.58 ± 0.13 | 2.50 ± 0.20 | 2.54 ± 0.23 | 0.817 |
Ionized magnesium (mmol/L) | 0.64 ± 0.03 | 0.59 ± 0.03 | 0.62 ± 0.04 | 0.60 ± 0.04 | 0.59 ± 0.03 | 0.146 |
Total calcium (mg/dL) | 8.96 ± 0.76 | 9.22 ± 0.78 | 9.16 ± 0.62 | 9.18 ± 0.76 | 9.02 ± 0.79 | 0.981 |
Ionized calcium (mmol/L) | 1.16 ± 0.09 | 1.15 ± 0.08 | 1.17 ± 0.06 | 1.14 ± 0.07 | 1.12 ± 0.11 | 0.926 |
pH | 7.38 ± 0.03 | 7.40 ± 0.03 | 7.40 ± 0.02 | 7.38 ± 0.03 | 7.39 ± 0.04 | 0.861 |
Post-dialysis values | ||||||
Total magnesium (mg/dL) | 1.98 ± 0.11 | 2.04 ± 0.13 | 1.98 ± 0.13 | 1.88 ± 0.11 | 1.98 ± 0.04 | 0.283 |
Ionized magnesium (mmol/L) | 0.48 ± 0.06 | 0.47 ± 0.06 | 0.45 ± 0.06 | 0.47 ± 0.04 | 0.48 ± 0.05 | 0.229 |
Total calcium (mg/dL) | 9.08 ± 0.28 | 8.96 ± 0.25 | 9.18 ± 0.17 | 9.10 ± 0.22 | 9.12 ± 0.28 | 0.705 |
Ionized calcium (mmol/L) | 1.20 ± 0.02 | 1.19 ± 0.03 | 1.16 ± 0.05 | 1.18 ± 0.03 | 1.19 ± 0.03 | 0.524 |
pH | 7.42 ± 0.01 | 7.41 ± 0.03 | 7.42 ± 0.03 | 7.41 ± 0.02 | 7.41 ± 0.02 | 0.951 |
Pre-dialysis to post-dialysis | ||||||
Total magnesium (%) | 76.3 ± 6.3 | 81.6 ± 4.5 | 76.9 ± 7.0 | 75.5 ± 5.4 | 78.4 ± 7.0 | 0.551 |
Ionized magnesium (%) | 75.3 ± 7.6 | 80.6 ± 10.2 | 72.6 ± 8.3 | 80.0 ± 9.1 | 81.9 ± 11.5 | 0.496 |
Total calcium (%) | 101.5 ± 6.1 | 97.6 ± 5.9 | 100.5 ± 5.4 | 99.6 ± 7.5 | 101.5 ± 6.2 | 0.843 |
Ionized calcium (%) | 103.8 ± 6.3 | 104.0 ± 5.2 | 99.5 ± 6.5 | 104.5 ± 5.2 | 106.4 ± 9.2 | 0.586 |
pH | 100.4 ± 0.3 | 100.2 ± 0.5 | 100.2 ± 0.3 | 100.3 ± 0.4 | 100.3 ± 0.3 | 0.827 |
Removal amount | ||||||
Magnesium (mg) | 129 ± 97 | 126 ± 57 | 102 ± 72 | 128 ± 107 | 129 ± 55 | 0.979 |
Calcium (mg) | 472 ± 176 | 385 ± 183 | 362 ± 126 | 343 ± 152 | 470 ± 181 | 0.615 |
Albumin leakage (g/session) | 3.5 ± 0.6 | 3.0 ± 0.3 | 4.3 ± 0.7 | 5.5 ± 0.7 | 3.0 ± 0.4 | < 0.001 |