Bone histomorphometry and vitamin D status were investigated in 41 patients studied 1-5 yr after partial or total biliopancreatic bypass. Metabolic bone disease, characterized by defective mineralization, decreased bone formation rate, and increased surface extent of resorption, was present in 30 patients (73%). Nine patients (22%) were hypocalcemic, but serum 25-hydroxyvitamin D concentrations were normal in all 41 patients. We conclude that metabolic bone disease is common after biliopancreatic bypass and usually occurs in the absence of simple vitamin D deficiency. The pathogenesis of the bone disease is unclear
BONE HISTOMORPHOMETRY AND VITAMIN D STATUS AFTER BILIOPANCREATIC BYPASS FOR OBESITY.
GIANETTA, EZIO;CIVALLERI, DARIO;SCOPINARO, NICOLA
1984-01-01
Abstract
Bone histomorphometry and vitamin D status were investigated in 41 patients studied 1-5 yr after partial or total biliopancreatic bypass. Metabolic bone disease, characterized by defective mineralization, decreased bone formation rate, and increased surface extent of resorption, was present in 30 patients (73%). Nine patients (22%) were hypocalcemic, but serum 25-hydroxyvitamin D concentrations were normal in all 41 patients. We conclude that metabolic bone disease is common after biliopancreatic bypass and usually occurs in the absence of simple vitamin D deficiency. The pathogenesis of the bone disease is unclear
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