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  • Title: Comorbid risks of deep vein thrombosis and pulmonary thromboembolism in patients with chronic pancreatitis: a nationwide cohort study.
    Author: Chung WS, Lin CL.
    Journal: J Thromb Haemost; 2016 Jan; 14(1):98-104. PubMed ID: 26563680.
    Abstract:
    UNLABELLED: ESSENTIALS: 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. BACKGROUND: Studies 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. METHODS: Using 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. RESULTS: In 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. CONCLUSIONS: The risks of DVT and PE are significantly higher in CP patients than in the general population.
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