Background
Methods
Haemodialysis prescriptions
Biochemistry
Echocardiography
Statistical methods
Results
Pre- and post-HD sampling, ultrafiltration rate, and residual urinary excretion rate – Influence on serum risk markers
Parameters | Before HD median (min - max) | After HD median (min - max) | Normal rangea
| Significance |
---|---|---|---|---|
Haemoglobin (g/dl) | 7.2 (5.5-8.2) | 7.4 (5.5-9.1) | 7.6-9.5 |
p = 0.007 |
Haematokrit (%) | 0.36 (0.28-0.41) | 0.37 (0.27-0.44) | 0.35-0.47 |
p = 0.229 |
Potassium (mmol/l) | 5.3 (2-6.2) | 4.2 (3.6-4.9) | 3.3-5.4 |
p = 0.02 |
Sodium (mmol/l) | 136 (133-147) | 137 (132-140) | 134-146 |
p = 0.168 |
Phosphate (mmol/l) | 1.6 (0.8-3.3) | 0.9 (0.4-1) | 0.9-1.5 |
p < 0.001 |
Urea (mmol/l) | 23 (10-37) | 6 (3-15) | 1.7-8.3 |
p < 0.001 |
Creatinine (μmol/l) | 929 (182-1481) | 357 (116-702) | < 80 |
p < 0.001 |
Albumin (g/l) | 44.5 (37-48) | 45 (35-52) | 34-48 |
p = 0.764 |
Osmolality (mosm/kgH2O) | 318 (301-338) | 302 (291-326) | 280-300 |
p < 0.001 |
Aldosterone (ng/l) | 148 (35-615) | 79 (10-707) | 20-150 |
p = 0.191 |
Renin active (direct) (ng/l) | 12 (1-683) | 18 (0.6-1705) | 1.68-23.9 |
p = 0.038 |
Metanephrine (free) (ng/l) | 146 (54-349) | 78 (32-308) | < 90 |
p = 0.001 |
Normetanephrine (free) (ng/l) | 459 (92-822) | 188 (75-328) | < 180 |
p < 0.001 |
AVP (ng/l) | 7.6 (1-9.4) | 5.1 (1-9.1) | < 8 |
p < 0.001 |
CT-proAVP (pmol/l) | 159 (14-291) | 63 (8-132) | 1-14 |
p < 0.001 |
MR-proANP (pmol/l) | 814 (285-2908) | 665 (222-2144) | 46.1-85.2 |
p < 0.001 |
NT-proBNP (ng/l) | 3020 (522-72,312) | - | < 169 |