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Risk of Fractures in Inflammatory Bowel Diseases: A Systematic Review and Meta-Analysis.
Journal of Clinical Gastroenterology 2018 April 19
BACKGROUND: Studies assessing the risk of fractures in inflammatory bowel diseases (IBD) have shown controversial results.
GOALS: We performed a systematic review and meta-analysis to assess the risk of fractures in IBD.
STUDY: Electronic databases were searched for cohort studies assessing the risk of fractures in IBD. The outcomes were the risk of overall fractures and at specific sites, and the association between the risk of fractures and the proportion of patients with corticosteroid use or osteoporosis.
RESULTS: Ten studies including 470,541 patients were identified. The risk of overall fractures in IBD patients was similar to controls [odds ratio (OR), 1.08; P=0.70; 95% confidence interval (CI), 0.72-1.62) with moderate heterogeneity (I=74.4%) which appeared to be due to the variable power and outcomes among the studies. The OR of fractures at the spine was significantly elevated at 2.21 (P<0.0001; 95% CI, 1.39-3.50) with low heterogeneity (I=26.1%). Meta-regression showed a correlation with the proportion of patients with steroid use. Risks of fractures at other sites (hip, rib, and wrist) were not elevated. Patients with fractures were more commonly on steroids compared with those without fractures (OR, 1.47; P=0.057; 95% CI, 0.99-2.20; I<0.0001%), but there was no correlation with osteoporosis.
CONCLUSIONS: IBD patients had no increased risk of overall fractures, but were at significantly increased risk of fractures at the spine, which was associated with steroid use. Strict surveillance and prevention of spine fractures are indicated in patients with IBD.
GOALS: We performed a systematic review and meta-analysis to assess the risk of fractures in IBD.
STUDY: Electronic databases were searched for cohort studies assessing the risk of fractures in IBD. The outcomes were the risk of overall fractures and at specific sites, and the association between the risk of fractures and the proportion of patients with corticosteroid use or osteoporosis.
RESULTS: Ten studies including 470,541 patients were identified. The risk of overall fractures in IBD patients was similar to controls [odds ratio (OR), 1.08; P=0.70; 95% confidence interval (CI), 0.72-1.62) with moderate heterogeneity (I=74.4%) which appeared to be due to the variable power and outcomes among the studies. The OR of fractures at the spine was significantly elevated at 2.21 (P<0.0001; 95% CI, 1.39-3.50) with low heterogeneity (I=26.1%). Meta-regression showed a correlation with the proportion of patients with steroid use. Risks of fractures at other sites (hip, rib, and wrist) were not elevated. Patients with fractures were more commonly on steroids compared with those without fractures (OR, 1.47; P=0.057; 95% CI, 0.99-2.20; I<0.0001%), but there was no correlation with osteoporosis.
CONCLUSIONS: IBD patients had no increased risk of overall fractures, but were at significantly increased risk of fractures at the spine, which was associated with steroid use. Strict surveillance and prevention of spine fractures are indicated in patients with IBD.
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