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Effect of Omentopexy on Incisura Angularis Morphology and Gastric Emptying After Laparoscopic Sleeve Gastrectomy

Effect of Omentopexy on Incisura Angularis Morphology and Gastric Emptying After Laparoscopic Sleeve Gastrectomy

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07590206
Enrollment
36
Registered
2026-05-15
Start date
2023-06-26
Completion date
2024-12-27
Last updated
2026-05-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity & Overweight

Keywords

Obesity, Laparoscopic sleeve gastrectomy, Omentopexy, Dyspepsia

Brief summary

This prospective randomized study aimed to evaluate the effect of omentopexy performed during laparoscopic sleeve gastrectomy (LSG) on incisura angularis morphology, gastric emptying time, postoperative dyspeptic symptoms, and early weight loss outcomes. Patients undergoing primary LSG were randomized to either LSG with omentopexy or LSG without omentopexy. Gastric emptying was assessed using scintigraphic gastric emptying studies, and changes in incisura angularis angle were evaluated using intraoperative image analysis. Postoperative symptoms were assessed using the Short Form Leeds Dyspepsia Questionnaire.

Detailed description

Laparoscopic sleeve gastrectomy (LSG) is one of the most commonly performed bariatric surgical procedures worldwide. However, postoperative gastrointestinal symptoms, gastric torsion, and functional stenosis remain important concerns after surgery. Omentopexy has been proposed as a technical modification to stabilize the gastric tube and preserve anatomical alignment, but its clinical and functional effects remain controversial. This prospective randomized controlled study was conducted to evaluate the effect of omentopexy performed during LSG on incisura angularis morphology, gastric emptying time, postoperative dyspeptic symptoms, and early weight loss outcomes. Eligible patients undergoing primary LSG were randomized into two groups: LSG with omentopexy and LSG without omentopexy. The incisura angularis angle was evaluated using intraoperative image analysis. Gastric emptying time was assessed preoperatively and at the postoperative third month using scintigraphic gastric emptying studies (T½). Postoperative dyspeptic symptoms were evaluated using the Short Form Leeds Dyspepsia Questionnaire. Demographic, clinical, laboratory, and postoperative outcome data were prospectively recorded and compared between groups.

Interventions

Laparoscopic sleeve gastrectomy was performed using a standard surgical technique. In addition, omentopexy was performed by fixation of the greater omentum to the gastric staple line in order to stabilize the gastric tube anatomy.

Standard laparoscopic sleeve gastrectomy was performed without omentopexy.

Sponsors

Ankara University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Masking description

The researcher performing the incisura angularis angle measurements was blinded to the clinical outcomes and group allocation during image analysis.

Intervention model description

Participants were randomized in a 1:1 ratio into two parallel groups: laparoscopic sleeve gastrectomy with omentopexy and laparoscopic sleeve gastrectomy without omentopexy.

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Patients aged between 18 and 65 years Patients scheduled for primary laparoscopic sleeve gastrectomy for obesity treatment Patients who provided written informed consent

Exclusion criteria

* Previous gastrointestinal surgery Hiatal hernia Peptic ulcer disease Esophagitis Pangastritis detected on preoperative endoscopy Inability to tolerate postoperative scintigraphic evaluation

Design outcomes

Primary

MeasureTime frameDescription
Change in Incisura Angularis AnglePreoperative and postoperative 3 monthsChanges in the incisura angularis angle were evaluated using vector-based measurements obtained from intraoperative images before and after laparoscopic sleeve gastrectomy.

Countries

Turkey (Türkiye)

Contacts

PRINCIPAL_INVESTIGATORVolkan Genç, MD

Ankara University Faculty of Medicine

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 19, 2026