Alexandra Povaliaeva, Artem Zhukov, Alina Tomilova, Axenia Bondarenko, Maksim Ovcharov, Mariya Antsupova, Vitaliy Ioutsi, Ekaterina Shestakova, Marina Shestakova, Ekaterina Pigarova, Liudmila Rozhinskaya, Natalia Mokrysheva
BACKGROUND: findings from the previously conducted studies indicate altered regulatory mechanisms of calcium and vitamin D metabolism in obese patients and a role for bariatric surgery in regulating vitamin D metabolism; however, the available data is controversial and does not provide an adequate understanding of the subject. METHODS: we evaluated serum parameters of vitamin D and mineral metabolism (vitamin D metabolites (25(OH)D3 , 25(OH)D2 , 1,25(OH)2 D3 , 3-epi-25(OH)D3 , and 24,25(OH)2 D3 ), vitamin D-binding protein (DBP), free 25(OH)D, fibroblast growth factor 23 (FGF-23), parathyroid hormone (PTH), total calcium, albumin, phosphorus, creatinine, magnesium) in 30 patients referred for bariatric surgery in comparison with 30 healthy volunteers of similar age, sex and baseline 25(OH)D3 ...
December 19, 2023: Journal of Clinical Medicine