title: Vitamin D metabolites in patients with established non-union of fracture.
abstract: The serum concentrations of vitamin D metabolites and biochemical markers of bone metabolism were measured in 15 patients with established non-union of fracture and in 15 age- and sex-matched controls. No significant differences between the two groups were observed in the concentrations of 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D3; or in the biochemical indices of skeletal metabolism. These results suggest that patients with established non-union have normal bone turnover with no evidence of disturbed production or utilization of 24,25-dihydroxyvitamin D3 or other major vitamin D metabolites. Disturbances in vitamin D metabolism are unlikely therefore to make a major contribution to the maintenance of non-union of fracture.
mesh_terms: D015650:24,25-Dihydroxyvitamin D 3; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001842:Bone and Bones / Q000378:metabolism; D004100:Dihydroxycholecalciferols / Q000097:blood; D005260:Female; D005599:Fractures, Ununited / Q000378:metabolism*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D004100:Dihydroxycholecalciferols; D014807:Vitamin D; D015650:24,25-Dihydroxyvitamin D 3