Four hundred IU vs One thousand IU of vitamin D supplementation in first episode of nephrotic syndrome

Authors : Seema Lekhwani, Narain Das Vaswani, Sudeep Kumar, Pradeep Kamboj

DOI : 10.18231/j.ijcbr.2022.062

Volume : 9

Issue : 4

Year : 2022

Page No : 315-321

Use of steroids in nephrotic children may lead to changes in bone mineral density and osteoporosis eventually affecting growth on a long term basis. We compared the proportionate changes in bone mineral content (BMC) and density(BMD), Vitamin D levels, Serum Calcium, phosphate and alkaline phosphatase levels in nephrotic children with the aim of giving high Vs low vitamin D doses (1000 IU Vs 400 IU) to two groups; group 1 (n=20) vs group 2 (n=20) respectively. The median BMC in group 1 increased from 11.53±3.48 g to 11.61±3.54 g after 1000 IU Vitamin D supplement and was statistically significant. However group 2 showed insignificant increases in BMC from 11.24±2.71 g to 11.25±2.67 g following 400IU Vitamin D. The change in BMD observed in group 1 from a mean of 0.426 to 0.429g/cm2 whereas in group 2 with 400 IU of vitamin D it didn’t show any significant change. The median vitamin D increased significantly in both groups; from 16.62±7.20 ng/ml to 27.45±6.47 ng/ml in group 1 while in group 2 from 18.72±8.07 ng/ml to 26.18±7.61 ng/ml which was statistically significant. The serum calcium levels normalized irrespective of 1000 IU or 400 IU of vitamin D supplementation. Changes in serum phosphate levels (decline from initial) were statistically significant however the changes in serum ALP were insignificant. We concluded that children supplemented with 1000 IU /day of vitamin D had better osteoprotection as compared to the other group.
 

Keywords: BMC: Bone mineral content, BMD: Bone mineral density, DXA: Dual energy x-ray absorptiometry, NS: Nephrotic syndrome, Vitamin D, Calcium, Prednisolone, ALP: Alkaline phosphatase.


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