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KMID : 0988920180160030436
Intestinal Research
2018 Volume.16 No. 3 p.436 ~ p.444
What nutritional factors influence bone mineral density in Crohn¡¯s disease patients?
Coqueiro Fernanda Gomes

Rocha Raquel
Menezes Camilla Almeida
Lopes Mirella Brasil
Oliveira Vanessa Rosa
Fortes Flora Maria Lorenzo
Santana Genoile Oliveira
Abstract
Background/Aims: Bone mineral density (BMD) is often low in patients with Crohn¡¯s disease (CD). This study aimed to evaluate the association between nutritional factors and BMD in a group of CD patients.

Methods: CD patients 18 years of age or older were included. The body mass index (BMI), waist circumference (WC) and dietary intake were evaluated during two 24-hour recalls. Bone densitometry was performed by dual-energy X-ray absorptiometry of the full body to assess body composition and of the lumbar vertebrae and femoral neck to assess BMD.

Results: In the 60 patients evaluated, there was no association between BMD and disease activity or between BMD and disease duration. We observed moderate correlations between BMD in at least one of the evaluated sites and BMI, lean mass, WC, and protein, calcium, phosphorus and magnesium dietary intakes (P<0.05). In the linear regression analysis for spinal BMD, only BMI and calcium dietary intake remained associated (P<0.05). In the linear regression analysis for femoral BMD, WC and phosphorus intake continued to be significant in the final model, although they had low explanatory power for BMD (P<0.05).

Conclusions: The prevalence of low BMD was high in CD patients. BMI, WC, calcium and phosphorus dietary intake were positively correlated with BMD.
KEYWORD
Crohn disease, Bone density, Body mass index, Waist circumference, Nutritional features
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