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Year : 2022  |  Volume : 22  |  Issue : 3  |  Page : 163-167

Study of vitamin D3 level in Egyptian hemodialysis patients and the effect of replacement therapy

1 Mansoura Nephrology and Dialysis Unit, Faculty of Medicine, Mansoura University, Mansoura, Egypt
2 Ministry of Health, Mansoura, Egypt

Correspondence Address:
Dr. Alaa A. A. Sabry
Department of Nephrology, Mansoura School of Medicine, Mansoura University, Mansoura 35111
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jesnt.jesnt_1_22

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Background The ability of extrarenal tissues to convert 25-hydroxyvitamin D into 1,25-hydroxyvitamin D and its dependence on substrate levels provide the rationale for supplementing vitamin D in dialysis patients who usually have severe depletion of both calcitriol and vitamin D. The primary aim of the study was to detect serum vitamin D3 levels in a cohort of Egyptian hemodialysis patients and to check the effect of 12-week therapy of cholecalciferol on serum calcium, phosphate, and parathyroid hormone (PTH) in vitamin D-naïve hemodialysis patients with vitamin D deficiency. Patients and methods A total of 40 patients (25 males and 15 females) with chronic kidney disease on regular hemodialysis, attending the Nephrology Unit of internal Medicine Department, Mansoura University Hospital, during the period from January to June 2017, were included. According to laboratory investigations and clinical examination, deficient patients were treated with Devarol-S (cholecalciferol) for 3 months and then revaluated. Deficient patients received intramuscular injection of 50 000 IU monthly for 3 consecutive months. Results The patient group included 40 persons, comprising 27 (73%) male patients and 13 (27%) female patients. Their mean age was 47.16 ± 14.92 years. The mean dialysis duration was 4.68 ± 2.42 years. At 3 months after vitamin D replacement, significant increase in serum calcium (8.33–8.89 mg/dl), phosphorous (4.99–5.85 mg/dl), and vitamin D3 (4.01–28.43 ng/ml) levels were observed compared with pretreatment levels. There was also significant decrease in PTH level (419.30–377.20 pg/ml). After 3 months of follow-up, there were no significant changes in the levels of hemoglobin, Kt/v, albumin, and alkaline phosphatase in the study group. Conclusions In most patients, treatment with cholecalciferol in a 50 000 IU/month dose permits safe correction of vitamin D deficiency and control of PTH level, yet serum phosphorus should be monitored.

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