Appendix, Gallbladder and Surgical Emergencies · 15 September 2026

Physiological Emergency Surgery Acuity Score Predicts Risks

The Physiological Emergency Surgery Acuity Score (PESAS) effectively predicts 30-day mortality and anastomotic leak in patients undergoing emergency laparotomy.

In a study of 1,086 patients, PESAS demonstrated strong discrimination for 30-day mortality (AUROC 0.86), with a mortality rate of 14.7%.
For a subset undergoing bowel anastomosis, PESAS also predicted anastomotic leak (AUROC 0.82) with a 5.1% leak rate.

PESAS, based on objective physiological variables, may enhance automated risk stratification in emergency general surgery, though further validation is needed before widespread adoption.

Journal Article by Hopper W, Duncan AJ and Ahmeti M in World J Surg

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