Development and validation of a pancreatic injury mortality score (PIMS) based on 473 consecutive patients treated at

Jake E Krige1, Richard T Spence2, Pradeep H Navsaria2

  • 1Department of Surgery, Groote Schuur Hospital, Observatory, Cape Town, South Africa; University of Cape Town Health Sciences Faculty, Surgical Gastroenterology Unit, Groote Schuur Hospital, Observatory, Cape Town, South Africa.

Insights

A new Pancreatic Injury Mortality Score (PIMS) was developed to predict in-hospital death after major pancreatic trauma. This simple score identifies high-risk patients, aiding clinical decision-making.

Area of Science:

  • Trauma surgery
  • Surgical outcomes
  • Predictive modeling

Background:

  • Major pancreatic injuries pose a significant risk of in-hospital mortality.
  • Accurate risk stratification is crucial for effective patient management.

Purpose of the Study:

  • To develop and validate a novel, organ-specific risk prediction score for in-hospital mortality after major pancreatic trauma.
  • To identify key clinical factors associated with mortality in these patients.

Main Methods:

  • Utilized data from 473 patients in a prospective database (1990-2015).
  • Employed stepwise logistic regression on derivation and validation cohorts to identify predictors of in-hospital death.
  • Developed the Pancreatic Injury Mortality Score (PIMS) based on significant variables.

Main Results:

  • Five variables (age >55, shock on admission, vascular injury, number of associated injuries, AAST pancreatic injury scale) correlated with mortality.
  • The PIMS demonstrated strong discriminative ability (ROC 0.84-0.91) in both derivation and validation cohorts.
  • Risk stratification into low, medium, and high groups showed comparable mortality rates within groups.

Conclusions:

  • The Pancreatic Injury Mortality Score (PIMS) is a validated, simple, and understandable tool for predicting in-hospital mortality in major pancreatic trauma.
  • PIMS enhances clinical risk prediction for complex pancreatic injuries and serves as a survival benchmark.
Abstract