Usefulness of an estimation of physiologic ability and surgical stress (E-PASS) scoring system to predict the incidence of postoperative complications in gastrointestinal surgery.

Surgical intervention induces various host responses to maintain homeostasis. When postoperative inflammation is intense and persists for a long time, postoperative complications may occur, sometimes developing into multiple organ failure. Therefore, it is very important to assess surgical stress and predict the risk of morbidity and mortality.