The association between pancreatic enzyme serum concentrations and blunt pancreatic trauma: a systematic review.

Authors

Blake Sykes, Dylan Gracias, Cino Bendinelli, Zsolt J Balogh

Published in

European journal of trauma and emergency surgery : official publication of the European Trauma Society. Volume 52. Issue 1. Jul 21, 2026. Epub Jul 21, 2026.

Abstract

Blunt pancreatic trauma is uncommon. When suspected, serum amylase and lipase are measured, but their diagnostic value remains uncertain. This systematic review evaluated the diagnostic performance of serum amylase and serum lipase in detecting blunt pancreatic trauma in adults.
MEDLINE, Embase, Scopus and Cochrane Central were searched for studies evaluating serum amylase and/or lipase in adults with blunt pancreatic trauma. Observational studies reporting diagnostic accuracy or clinical outcomes were included. Two reviewers independently screened studies and assessed risk of bias using the Newcastle-Ottawa Scale.
Four observational studies met inclusion criteria. A total of 4937 patients with blunt abdominal trauma, including 150 with pancreatic injury were investigated. Two studies evaluated serum lipase alone and two compared amylase and lipase. Pancreatic injuries were graded according to the American or Japanese Association for the Surgery of Trauma. Early serum amylase measurement (< 90 min post-injury) demonstrated low sensitivity. In contrast, testing performed more than 3 h after injury has shown improved diagnostic accuracy with one study suggesting combined serum amylase and lipase testing can achieve a sensitivity of 85% and specificity of 100%.
Early serum pancreatic enzymes measurement does not appear to aid initial management decisions following blunt abdominal trauma. Delayed testing (> 3-6 h), particularly using lipase or combined lipase and amylase showed improved diagnostic performance. Prospective multicentre validation is needed to define their role in guiding further imaging after equivocal or negative initial CT.

PMID:
42479212
Bibliographic data and abstract were imported from PubMed on 21 Jul 2026.

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