• Ryan Lamm, Micaela Collins, Jamie Bloom, Marisa Joel, Leah Iosif, Doo Park, Jacky Reny, Samuel Schultz, Charles J Yeo, David Beausang, Eric S Schwenk, Caitlyn Costanzo, and Benjamin R Phillips.
• From the Department of Surgery, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA (Lamm, Collins, Yeo, Costanzo, Phillips).
• J. Am. Coll. Surg. 2023 Apr 1; 236 (4): 554559554-559.

BackgroundDelayed bowel function (DBF) following intra-abdominal surgery is a common problem that contributes to postoperative complications and prolonged length of stay. Use of a handheld gastric point-of-care ultrasound (GPOCUS) can identify a full vs empty stomach in the postoperative period. We hypothesized that the findings of a full stomach identified on a postoperative day 1 (POD1) GPOCUS exam would predict an increased risk of delayed bowel function.Study DesignA blinded, prospective cohort study was performed. Postoperative colorectal surgery patients were identified as having either a full or empty stomach based on previously published definitions. GPOCUS examinations were performed on POD1 using a handheld ultrasound device, and the clinicians were blinded to the results. Demographic and perioperative data were collected. The primary outcome variable was gastrointestinal-3 (GI-3) recovery, defined as time to tolerance of diet and either flatus or bowel movement.ResultsFifty-six patients agreed to participate in the study; fifty were eligible and included. Eighteen patients' stomachs were identified as full on POD1 GPOCUS examination, and thirty-two were identified as empty. No significant demographic or perioperative differences existed between groups. Patients with full stomachs had significantly delayed GI-3 recovery (4 vs 1 days, p < 0.0001) and longer length of stay (5 vs 3 days, p < 0.0001). Full-stomach patients also had significantly more emesis and nasogastric tube (NGT) placement (both p < 0.05).ConclusionsGPOCUS performed on POD1 can predict DBF, length of stay, likelihood of emesis, and NGT placement. Use of handheld devices for GPOCUS showed promise for the identification of patients at high risk for DBF and could provide an opportunity for pre-emptive intervention.Copyright © 2023 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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