Cross-cultural association between dietary animal protein and hip fracture: a hypothesis.

TitleCross-cultural association between dietary animal protein and hip fracture: a hypothesis.
Publication TypeJournal Article
Year of Publication1992
AuthorsAbelow BJ, Holford TR, Insogna KL
JournalCalcified tissue international
Volume50
Issue1
Pagination14-8
Date Published1992 Jan
ISSN0171-967X
KeywordsAcid-Base Equilibrium, Aged, Aged, 80 and over, Bone and Bones, Calcium, Dietary, Cross-Cultural Comparison, Diet, Vegetarian, Dietary Proteins, Energy Intake, Female, Hip Fractures, Humans, Middle Aged, Regression Analysis
Abstract

Age-adjusted female hip fracture incidence has been noted to be higher in industrialized countries than in nonindustrialized countries. A possible explanation that has received little attention is that elevated metabolic acid production associated with a high animal protein diet might lead to chronic bone buffering and bone dissolution. In an attempt to examine this hypothesis, cross-cultural variations in animal protein consumption and hip fracture incidence were examined. When female fracture rates derived from 34 published studies in 16 countries were regressed against estimates of dietary animal protein, a strong, positive association was found. This association could not plausibly be explained by either dietary dietary calcium or total caloric intake. Recent studies suggest that the animal protein-hip fracture association could have a biologically tenable basis. We conclude that further study of the metabolic acid-osteoporosis hypothesis is warranted.

Alternate JournalCalcif. Tissue Int.
PubMed ID1739864
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