BACKGROUND: Hyperphosphatemia, secondary hyperparathyroidism (SHPT) and anemia are common secondary complications in hemodialysis patients with end-stage renal disease (ESRD). Compared with conventional hemodialysis (CHD), short daily hemodialysis (sDHD) has been found to be more effective in patients with ESRD. The objective of this study was to determine whether sDHD could improve hyperphosphatemia, SHPT and anemia in patients with ESRD. METHODS: Twenty-seven patients (11 women and 16 men, 46.8 ± 13.4 years old) were switched from CHD to sDHD. All hematologic parameters were measured prior to the switch (baseline), at 3 months after the switch (sDHD(1)) and at 6 months after the switch (sDHD(2)). RESULTS: The serum phosphate decreased from 2.54 ± 0.32 mmol/L at baseline to 2.15 ± 0.36 mmol/L (p < 0.001) at sDHD(1) and 1.97 ± 0.33 mmol/L (p < 0.001) at sDHD(2). Calcium-phosphate product decreased from 5.18 ± 1.24 mmol(2)/L(2) at baseline to 4.20 ± 0.71 mmol(2)/L(2) (p < 0.001) at sDHD(1) and 4.02 ± 0.83 mmol(2)/L(2) (p < 0.001) at sDHD(2). The serum PTH levels decreased from 223.9 ± 124.7 pmol/L at baseline to 196.3 ± 101.3 pmol/L (p < 0.05) at sDHD(2). The hemoglobin concentration increased significantly from CHD to sDHD. However, the requirement for erythropoietin (EPO) dose decreased from 6847.8 ± 1057.3 u/week at baseline to 5869.6 ± 1094.6 u/week (p < 0.05) at sDHD(2). CONCLUSIONS: sDHD may decrease serum phosphate, calcium-phosphate product and PTH, increase hemoglobin levels and decrease exogenous EPO dose requirements compared with CHD in hemodialysis patients.
BACKGROUND:Hyperphosphatemia, secondary hyperparathyroidism (SHPT) and anemia are common secondary complications in hemodialysis patients with end-stage renal disease (ESRD). Compared with conventional hemodialysis (CHD), short daily hemodialysis (sDHD) has been found to be more effective in patients with ESRD. The objective of this study was to determine whether sDHD could improve hyperphosphatemia, SHPT and anemia in patients with ESRD. METHODS: Twenty-seven patients (11 women and 16 men, 46.8 ± 13.4 years old) were switched from CHD to sDHD. All hematologic parameters were measured prior to the switch (baseline), at 3 months after the switch (sDHD(1)) and at 6 months after the switch (sDHD(2)). RESULTS: The serum phosphate decreased from 2.54 ± 0.32 mmol/L at baseline to 2.15 ± 0.36 mmol/L (p < 0.001) at sDHD(1) and 1.97 ± 0.33 mmol/L (p < 0.001) at sDHD(2). Calcium-phosphate product decreased from 5.18 ± 1.24 mmol(2)/L(2) at baseline to 4.20 ± 0.71 mmol(2)/L(2) (p < 0.001) at sDHD(1) and 4.02 ± 0.83 mmol(2)/L(2) (p < 0.001) at sDHD(2). The serum PTH levels decreased from 223.9 ± 124.7 pmol/L at baseline to 196.3 ± 101.3 pmol/L (p < 0.05) at sDHD(2). The hemoglobin concentration increased significantly from CHD to sDHD. However, the requirement for erythropoietin (EPO) dose decreased from 6847.8 ± 1057.3 u/week at baseline to 5869.6 ± 1094.6 u/week (p < 0.05) at sDHD(2). CONCLUSIONS:sDHD may decrease serum phosphate, calcium-phosphate product and PTH, increase hemoglobin levels and decrease exogenous EPO dose requirements compared with CHD in hemodialysis patients.
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