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Published on: September 22, 2019
Incidence of Osteoporosis and Osteopenia in Newly Diagnosed Inflammatory Bowel Disease: A Population-Based Cohort
Mohamed Attauabi1,2,3, Gorm Roager Madsen2,3, Jakob Præst Holm4
1Department of Gastroenterology and Hepatology, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark.
Background:
Individuals with Crohn's disease (CD) and ulcerative colitis (UC) are at risk of developing osteoporosis. In Denmark, osteoporosis has been observed in 12.0% of postmenopausal women and 2.6% in men aged ≥ 50 years in the general population. We aimed to conduct a population-based analysis determining bone mineral density (BMD) at diagnosis of UC and CD.
Methods:
All adult patients diagnosed with UC or CD between May 2021 and May 2023 in an area covering 20% (1.2 million inhabitants) of the Danish population were invited for dual-energy X-ray absorptiometry at inflammatory bowel disease (IBD) diagnosis.
Results:
In total, 209 and 141 patients with UC and CD, respectively, were included. Among postmenopausal women (age ≥ 52 years) with UC, 15/42 (35.7%) had osteoporosis and 17/42 (40.5%) had osteopenia, while rates among patients with CD were 6/21 (28.6%, P = .57) and 8/21 (38.1%, P = .86), respectively. Among males aged ≥ 50 years, the rates were 5/38 (13.2%) and 17/38 (44.7%) in UC, respectively, and 3/24 (12.5%, P = 1.00) and 12/24 (50.0%, P = .69) in CD, respectively. Among younger patients, BMD below the expected range for age was observed in 3/69 (4.3%) and 3/60 (5.0%) of females and males with UC, and in 1/42 (2.4%) and 8/54 (14.8%) with CD, respectively. No nutritional or inflammatory marker, including C-reactive protein, fecal calprotectin, Mayo Endoscopic Score, or Simple Endoscopic Score for CD correlated with the T-score.
Conclusions:
This population-based study demonstrated high rates of osteoporosis among postmenopausal women and males aged ≥ 50 years at IBD diagnosis, highlighting the need for systematic evaluation in these patients.
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