NCT07898215

Preoperative Gastric Ultrasound and Left Ventricular Function in Coronary Artery Bypass Surgery

StatusNot Yet Recruiting

PhaseNot specified

SponsorAdiyaman University

Primary completionMar 1, 2027 (estimated)

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Record History

All 2 versions: 2 with changes below. See every version on ClinicalTrials.gov ↗

Minor Oct 28, 2026 Study description shortened, about 357 words
Oct 21, 2026 Study First Submitted

Minor: routine updates

Endpoints

Primary

Distribution of Perlas Gastric Ultrasound Grades Between LVEF Groups

Timeframe: Preoperatively, immediately before induction of general anesthesia

Secondary (4)

Association Between LVEF and Estimated Gastric Volume (mL/kg)

Gastric Antral Cross-Sectional Area (CSA)

Presence of Solid Gastric Contents

Prevalence of High-Risk Gastric Contents

Arms and interventions

Group L-EF - Reduced LVEF (LVEF <40%)

This cohort will include 25 adult patients scheduled for elective coronary artery bypass grafting (CABG) surgery with a preoperative left ventricular ejection fraction (LVEF) \<40%, as determined by transthoracic echocardiography. Before induction of general anesthesia, patients will undergo gastric ultrasonography to assess Perlas grade, gastric antral cross-sectional area, estimated gastric volume, and the presence of high-risk gastric contents. No experimental therapeutic intervention will be administered.

Group N-EF - (LVEF ≥40%)

This cohort will include 25 adult patients scheduled for elective coronary artery bypass grafting (CABG) surgery with a preoperative left ventricular ejection fraction (LVEF) ≥40%, as determined by transthoracic echocardiography. Before induction of general anesthesia, patients will undergo gastric ultrasonography to assess Perlas grade, gastric antral cross-sectional area, estimated gastric volume, and the presence of high-risk gastric contents. No experimental therapeutic intervention will be administered.

Diagnostic tests: Gastric Ultrasonography

Sites

1 site in 1 country

Adıyaman Training and Research HospitalAdıyaman, Turkey (Türkiye)

About this trial

This study aims to investigate whether reduced heart function is associated with differences in stomach contents before elective coronary artery bypass graft (CABG) surgery. Patients undergoing elective cardiac surgery will be divided into two groups based on their left ventricular ejection fraction (LVEF), a measure of how well the heart pumps blood: patients with an LVEF below 40% and patients with an LVEF of 40% or higher. Before surgery, the researchers will use ultrasound to examine the stomach. They will assess the presence and amount of stomach contents using the Perlas grading system and ultrasound measurements of the gastric antrum. The main objective is to compare gastric ultrasound findings between the two groups. The researchers will also evaluate estimated gastric volume and the frequency of stomach findings associated with a higher risk of aspiration during anesthesia.

Trial details

Enrollment: 50 participants (estimated)
Started: Nov 1, 2026
Study completion: Mar 1, 2027 (estimated)
Eligibility: 18 and older, all sexes, no healthy volunteers
Design: Observational
Oversight: No data monitoring committee
Conditions: Coronary Artery Disease, Ventricular Dysfunction, Left, Left Ventricular Systolic Dysfunction, Gastric Contents
Official title: Evaluation of the Relationship Between Preoperative Gastric Ultrasonography Findings and Left Ventricular Systolic Function in Patients Undergoing Elective Coronary Artery Bypass Graft Surgery
First posted: Oct 27, 2026
Registry updated: Oct 30, 2026
Last verified: Oct 2026

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