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Association between venous thromboembolism and acute pancreatitis: An analysis from the nationwide inpatient sample
Wei-Sheng Chung1,2,3, Cheng-Li Lin4,5
1Department of Internal Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan.
Background And Aims:
Acute inflammation of the pancreas may trigger a systemic inflammatory response and initiate coagulation. Few studies have been conducted on the association between venous thromboembolism (VTE) and acute pancreatitis (AP). We investigated the incidence and risk of VTE in patients with AP.
Methods:
We conducted a retrospective cohort analysis for the nationwide AP cohort. We identified 91 786 patients with AP and 183 557 controls who were frequency-matched according to sex, age (5-y interval), and index year from the National Health Insurance Research Database between 2000 and 2008. The patients and controls were followed until diagnosis of deep vein thrombosis (DVT) or pulmonary embolism (PE), death or the end of 2011.
Results:
The nationwide cohort study showed that patients with AP exhibited a higher incidence of VTE (13.1 vs 5.65 per 10 000 person-y) than did the controls. After covariates were controlled for, the patients with AP had a 1.88-fold higher risk of VTE than did the controls (adjusted hazard ratios [aHR] = 1.88; 95% confidence intervals [CI] = 1.68-2.10). The incidence rates of DVT and PE were higher in the patients with AP than in the controls, irrespective of sex, age or comorbidity. The patients with AP exhibited a 1.86-fold higher aHR of DVT (95% CI = 1.63-2.12) and a 1.92-fold higher aHR of PE (95% CI = 1.59-2.31) than did the controls.
Conclusion:
Patients with AP exhibited a significantly higher risk of VTE than did the controls.
