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Vitamin D Effect on Ultrasonography and Laboratory Indices and Biochemical Indicators in the Blood: an Interventional Study on 12 to 18-Year-Old Children with Fatty Liver

Namakin Kokab, Hosseini Mahya, Zardast Mahmoud, Mohammadifard Mahyar,
소속 상세정보
 ( Namakin Kokab ) - Birjand University of Medical Sciences Birjand Atherosclerosis and Coronary Artery Research Center
 ( Hosseini Mahya ) - Birjand University of Medical Sciences Student Research Center
 ( Zardast Mahmoud ) - Birjand University of Medical Sciences Birjand Atherosclerosis and Coronary Artery Research Center
 ( Mohammadifard Mahyar ) - Birjand University of Medical Sciences Fellowship of Interventional Radiology

Abstract


Purpose: The rising prevalence of childhood obesity in the past decades has caused non-alcoholic fatty liver disease (NAFLD) to become the most common cause of pediatric chronic liver disease worldwide. This study was aimed at determining the effect of vitamin D (Vit D) on ultrasonography and laboratory indices of NAFLD and some blood biochemical indicators in children.

Methods: In this interventional study liver ultrasonography was performed in 200 children with overweight and obesity. A 108 had fatty liver among which 101 were randomly divided into two groups of study (n=51) and control (n=50). The study group was treated with Vit D, 50000 U once a week whereas the control group received placebo with the same dose and package, both for 12 weeks. At the end of the intervention lab tests and ultrasound study was performed once again to evaluate the response to treatment.

Results: It was found out that Vit D supplementation improved the fatty liver grade in the study group. The mean changes in hemoglobin (Hb), uric acid, highdensity lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), insulin, albumin and alanine aminotransferase (ALT) was significantly higher in the study group compared to controls (p<0.05). After the intervention and means adjustment, a significant difference was obtained in HDL-C, insulin, LDL-C and homeostasis model assessment of insulin resistance (HOMA-IR) between the two groups.

Conclusion: Vit D supplementation in addition to improving the fatty liver grade in ultrasonography and increasing the blood Vit D level, increases the HDL and Hb level besides decreasing uric acid, LDL, HOMA-IR, insulin and ALT levels.

키워드

Child; Liver; Enzymes; Non-alcoholic fatty liver disease; Overweight; Obesity; Vitamin D

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