A new index predicts gastric stasis post-gastrectomy, crucial for improving surgical outcomes.

• In a study of 203 patients, the Hiki Index showed 85.7% sensitivity and 76.7% specificity for stasis-related interventions.
• Age under 75, female sex, and pylorus-preserving gastrectomy raise risk for gastric distension.

Implementing the Hiki Index can lead to timely interventions and better postoperative care.