Effect of acute pancreatitis on the risk of developing osteoporosis: A nationwide cohort study
Shih-Yi Lin1,2, Wu-Huei Hsu1,3, Cheng-Chieh Lin1,4
1Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung, Taiwan.
Purpose:
Chronic exocrine pancreatic insufficiency can lead to osteoporosis. However, the incidence and risk of osteoporosis after acute inflammation of pancreas remained known. Thus, we conducted a population-based cohort study to clarify the association between acute pancreatitis (AP) and osteoporosis.
Methods:
Patients newly diagnosed with AP with index date between 2000 and 2011 were identified from the National Health Insurance Research Database. Osteoporosis were defined according to the International Classification of Diseases, Ninth Revision, Clinical Modification codes. We applied age-, sex-, and comorbidities-adjusted variable Cox proportional hazard models for assessing the association between AP and osteoporosis. Moreover, these models were used to adjust for the influences of patient characteristics and comorbidities.
Results:
In this study, 4,016 patients were included in the AP cohort (males, 67.9%; mean age, 51.8 years) and 4,016 matched controls in the non-AP cohort. After a mean follow-up period of 4.97 and 5.21 years in the AP and non-AP cohorts, respectively, the incidence of osteoporosis was 8.22 per 1000 person-years in the AP cohort. The AP cohort had a higher risk [adjusted hazard ratio (aHR) = 1.27, 95% confidence interval (CI) = 1.02-1.58] of osteoporosis than did the non-AP cohort. The risk of osteoporosis was highest in the female patients of the AP cohort (aHR = 2.26, 95% CI = 1.85-2.76) and patients aged 50-64 years (aHR = 4.14, 95% CI = 3.13-5.47).
Conclusion:
AP patients are at a risk of osteoporosis, especially female gender and age 50-64 years. Those with > 3 episodes of AP had highest significant risk of developing osteoporosis.
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