Abstract
To determine the factors associated with serial lipase measurement in patients with acute pancreatitis (AP). Patients admitted to Johns Hopkins Health System between September 2019 and August 2020 with lipase ≥3 times upper limit normal were prospectively identified. Acute pancreatitis was defined using revised Atlanta criteria. Serial lipase measurement was defined as >2 lipase measurements on consecutive days within 7 days of presentation. There were 294 patients with AP with mean age 52.4 ± 16 years (SD), and 155 (52.7%) were male. A total of 227 (77.2%) were admitted to a medical service. There were 111 (37.7%) who underwent serial lipase measurements. There were 89 (30.8%), 36 (12.2%), 6 (1%), and 40 (13.6%) patients with systemic inflammatory response syndrome at time of initial lipase measurement, persistent organ failure, necrosis on admission, and intensive care unit admission. Serial lipase measurements were more likely to be obtained in patients admitted to surgical services (odds ratio, 4.3; 95% confidence interval, 1.4-13.2; P = 0.01) and nontertiary hospitals (odds ratio, 1.8; 95% confidence interval, 1.0-2.9; P = 0.04). More than one-third of AP patients undergo serial lipase measurements. This practice is more likely to occur on surgical services and in nontertiary hospitals.
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