Journal
CLINICAL AND EXPERIMENTAL NEPHROLOGY
Volume 20, Issue 5, Pages 815-821Publisher
SPRINGER
DOI: 10.1007/s10157-015-1212-1
Keywords
Diet; Dietitian; Education; Hemodialysis; Hyperphosphatemia
Categories
Funding
- Far Eastern Memorial Hospital
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Sustained adherence to dietary phosphorus (P) restriction recommendations among hemodialysis patients is questionable. The aim of this study was to evaluate the effectiveness of additional diet education delivered by a dietitian on the control of hyperphosphatemia. We conducted an 8-month prospective observational study in hemodialysis patients who had uncontrolled hyperphosphatemia. In the first half of the study (experimental) period, the dialysis nurses and physicians provided the routine dietetic education with the control group (n = 31), while the experimental group (n = 30) received the routine dietetic education plus an additional diet education delivered by dietitians. Both groups received the routine dietetic education in the rest of the study period to test whether the improvement of serum P level was sustained. The primary outcomes were changes in serum P level. At baseline, there was no significant difference in serum P levels between groups (P = 0.27). In the experimental period, monthly serum P levels decreased significantly in both groups (P < 0.001) and the magnitudes of reduction were 1.81 +/- 1.46 and 0.94 +/- 1.33 mg/dL in the experimental and control groups, respectively (P = 0.02), at the end. The experimental group maintained such improvement for one more month (P = 0.02), but faded out over time. Renal diet education guided either by dietitians plus dialysis staffs or dialysis staffs alone reduces serum P level and dietitian-guided diet education provides an additional benefit on controlling hyperphosphatemia in hemodialysis patients.
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