• W-S Chung and C-L Lin.
• Department of Internal Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan.
• J. Thromb. Haemost. 2016 Jan 1; 14 (1): 98-104.

UnlabelledESSENTIALS: Risks of deep vein thrombosis (DVT) and pulmonary embolism (PE) in chronic pancreatitis (CP) are unclear. We conducted a nationwide cohort study to evaluate the risks of DVT and PE in CP patients. 17 778 patients with CP and 71 106 without CP were followed for 86 740 and 429 116 person-years, respectively. Patients with CP had a 2.95-fold increased rate of DVT and a 4.51-fold increased rate of PE.BackgroundStudies on the association between chronic pancreatitis (CP) and cardiovascular diseases are scarce. We conducted a nationwide cohort study to evaluate the risks of deep vein thrombosis (DVT) and pulmonary embolism (PE) in CP patients.MethodsUsing the data from the Taiwan National Health Insurance Research Database, we randomly selected a non-CP cohort from insurants without a history of CP, and frequency-matched them at a ratio of 4 : 1 according to age, sex and index year with each patient newly diagnosed with CP between 2000 and 2010. The follow-up period ranged from the index date of new CP diagnosis to the diagnosis of DVT or PE, censoring, or the end of 2011. We used univariable and multivariable Cox proportional hazard regression models to determine the risks of DVT and PE.ResultsIn total, 17 778 patients in the CP cohort (82.6% men; mean age of 48.6 years) and 71 106 persons in the non-CP cohort were observed for 86 740 and 429 116 person-years, respectively. The CP cohort showed a 2.95-fold greater adjusted hazard ratio (aHR) for DVT (95% confidence interval [CI] 2.06-4.22) and a 4.51-fold greater aHR for PE (95% CI 2.86-7.11) than the non-CP cohort. Substantial risks of DVT and PE were evident in patients with CP aged < 55 years. The CP cohort with comorbidities showed increased risks of DVT and PE as compared with the non-CP cohort with no comorbidities.ConclusionsThe risks of DVT and PE are significantly higher in CP patients than in the general population.© 2015 International Society on Thrombosis and Haemostasis.

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