Abstract
Background/objectivesAcute pancreatitis (AP) is a procoagulant state, and markers of coagulopathy are associated with AP severity. We aimed to explore the association of systemic anticoagulation therapy before AP onset with the inpatient outcomes of patients with acute pancreatitis. MethodsThis case-control, retrospective study used data from the Nationwide Inpatient Sample (Jan 2014–Dec 2016). We used medical coding data to identify patients with a principal diagnosis of AP who were receiving systemic anticoagulation therapy. Patients with anticoagulation were matched to those without it on the propensity for having anticoagulation. The propensity for having anticoagulation was estimated using a logistic regression model, matching for age, gender, race, median household income for patients' zip code, Charlson comorbidity score, region of hospital, location of hospital (urban/rural), teaching status of hospital, if admission day was on a weekend, pancreatic cancer class, obesity, tobacco usage. Secondary outcomes were inpatient outcomes and hospital expenditures. ResultsA total of 190,474 patients admitted for acute pancreatitis were identified, out of which 7827 patients were on anticoagulation. After propensity matching, 5776 matched pairs were successfully identified. Patients with AP on anticoagulation tended to have lower risk for ICU admission, acute kidney injury, organ failure or inpatient mortality. However, the group with anticoagulation had longer hospital length of stay and higher hospital costs. ConclusionsAnticoagulation therapy may have a pivotal role in the pathogenesis and progression of AP. These data suggest a potential therapeutic role for anticoagulants in AP. Further studies are needed to better understand these observations.
Published Version
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