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Bratisl Lek Listy. 2013;114(8):439-45.

The prevalence and risk factors for osteoporosis in patients with inflammatory bowel disease.

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Department of Internal Medicine, Comenius University, Bratislava Ruzinov, Slovakia.



Osteoporosis is a known chronic complication of inflammatory bowel diseases (IBD). The aim of our study was to describe the prevalence of reduced bone mineral density (BMD) in IBD patients and to identify crucial risk factors for osteoporosis.


The cohort consisted of 76 IBD patients, 40 with Crohn's disease (CD) and 36 with ulcerative colitis (UC). Clinical characteristics of every patient were recorded, i.e. age, sex, duration of the disease, clinical behavior, location of disease according to Montreal classification, surgeries, steroid medication, sIBDQ, and smoking habits. We examined the serum 25-hydroxyl vitamin D3 (25-OHD3) in each patient. The BMD was determined by dual-energy X-ray absorptiometry (DXA) at the lumbar spine and femoral neck.


Osteoporosis was documented in 10 IBD patients (13.2 %), while osteopenia in 35 of them (46.1 %). Patients with CD have significantly lower femoral Z score than patients with UC. Femoral Z score was strongly associated with disease duration, and in CD patients suffering from stricturing form, with ileic or ileocolic location and history of proctocolectomy or total colectomy. Patients with osteoporosis had a significantly lower level of 25-OHD3 than patients with normal BMD.


Patients with long disease duration and those suffering from stricturing form of CD with ileic/ileocolic location and history of proctocolectomy/total colectomy are at higher risk of developing osteoporosis than other IBD patients. The high proportion of osteopenia/osteoporosis in our study underlines the importance of BMD measurement in all IBD patients as a base for initiating the appropriate treatment (Tab. 1, Fig. 3, Ref. 63).

[Indexed for MEDLINE]

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