Physiological Emergency Surgery Acuity Score Predicts Mortality and Anastomotic Leak in Emergency Laparotomy: An External Validation Study.
BACKGROUND The Physiological Emergency Surgery Acuity Score (PESAS) predicts 30-day mortality but has not been externally validated in emergency general surgery (EGS) patients. The study aim was to evaluate PESAS discrimination for predicting mortality and anastomotic leak in patients receiving emergency laparotomy....