Milk and dairy product consumption in patients with inflammatory bowel disease: Helpful or harmful to bone mineral density?

Limiting the consumption of milk and dairy products (DPs) constitutes a risk factor for osteoporosis in patients with inflammatory bowel disease (IBD). The aim of this study was to evaluate bone mineral density (BMD) and the frequency of osteopenia and osteoporosis in patients with IBD. We also investigated the correlation between BMD and consumption of milk and DPs, as well as with calcium, phosphate, and parathyroid hormone (PTH) and 25-hydroxyvitamin D [25(OH)D] serum concentration levels. The study comprised 208 patients with IBD. Densitometric measurements were performed using the dual-energy x-ray absorpiometry. Before (IBD-I) and after the diagnosis (IBD-II) of IBD, we used a questionnaire to assess the consumption of milk and DPs. Serum concentrations of PTH, 25(OH)D, calcium, and phosphate were determined. The prevalence of osteopenia and osteoporosis in the IBD patient group was 48.1%. At the same time, 87% of patients with IBD reported milk consumption. Patients from this group with proper bone mass amounted to 91.7%, whereas patients with osteopenia and osteoporosis comprised 82% (P = 0.0382) of patients. In patients with IBD who consumed milk, femoral neck BMD (0.97 ± 0.17 g/cm Not only does IBD entail a high prevalence of osteoporosis, but BMD values are also indirectly affected by the fact that patient consumption of milk and other DPs decreases after diagnosis.

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