NCT07031414

Preoperative Residual Gastric Volume

Comparison of Ultrasonography-Guided Residual Gastric Volume Measurement Before Elective Surgery in Diabetic and Non-Diabetic Patients

• Status: Active Not Recruiting
• Phase: —
• Study type: Observational
• Enrollment: 400 (estimated)
• Sponsor: Izmir City Hospital · Other Government
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Not accepted

Summary

The goal of this observational study is to assess the preoperative gastric residual volume in adult patients undergoing elective surgery. The main question it aims to answer is: Does gastric residual volume, content type, and aspiration risk differ between diabetic and non-diabetic patients with similar fasting durations? Participants undergoing elective surgery will receive bedside gastric ultrasound as part of their preoperative assessment. Ultrasound images will be used to estimate gastric volume and evaluate aspiration risk.

Detailed description

The goal of this observational study is to assess whether bedside gastric ultrasound can identify differences in residual gastric volume, content type, and aspiration risk in adult diabetic and non-diabetic patients (ages 18-65) undergoing elective surgery under general anesthesia. The main questions it aims to answer are: Do diabetic patients have higher residual gastric volume than non-diabetic patients despite similar fasting durations? Does the type or amount of gastric content differ between the two groups, potentially increasing aspiration risk? Researchers will compare diabetic and non-diabetic groups to see if diabetes is associated with delayed gastric emptying and increased aspiration risk. Participants will: Undergo bedside gastric ultrasound prior to anesthesia induction Be scanned in semi-sitting and right lateral decubitus positions using a convex ultrasound probe Have gastric antrum graded and volume calculated Be evaluated for aspiration risk based on validated ultrasound criteria

Conditions

• Preoperative
• Gastric
• Residual Volume

Timeline

• Start date: 2025-03-15
• Primary completion: 2025-08-15
• Completion: 2025-08-15
• First posted: 2025-06-22
• Last updated: 2025-06-22

Locations

1 site across 1 country: Turkey (Türkiye)