Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Jul 27, 2025; 17(7): 107092
Published online Jul 27, 2025. doi: 10.4240/wjgs.v17.i7.107092
Table 1 Patient demographics

OAGB, n = 385
Age (mean), years41 (17-70)
Female gender, n (%)264 (69.0)
BMI (mean)43 (26-70)
Previous bariatric surgery, n (%)87 (22.6)
Previous LAGB44 (50.6)
Previous sleeve43 (49.4)
Smoking, n (%)77 (20.0)
Diabetes, n (%)68 (17.7)
Hypertension, n (%)83 (21.6)
Hyperlipidemia, n (%)113 (29.4)
Fatty liver, n (%)290 (75.3)
Table 2 Abnormal upper gastrointestinal swallow studies
Patient
Diagnosis on UGI
Clinical signs
Work-up
Outcome
1 (Figure 1)Slow passageNoneRepeat UGI swallow study on POD 2 showed normal passageDischarge on POD 3
2 (Figure 2A)Suspected anastomotic leakNoneImmediate CT scan without any pathologyDischarge on POD 3
3 (Figure 2B)Slow passageNauseaRepeat UGI and endoscopy on same day showed normal passageDischarge on POD 4
4 (Figure 2C)Slow passageNoneNoneDischarge on POD 3
Table 3 Clinical data of patients presenting with anastomotic leaks

POD at presentation
Symptoms
WBC count (5 × 103)
UGI swallow
CT
Treatment
Outcome
Leak 12Epigastric pain radiating to back; Foul discharge in drain17.0NegativeNot performedDiagnostic laparoscopy, lavage, drain, intravenous antibiotics, TPNMortality
Leak 24Epigastric and periumbilical pain; Foul discharge in drain14.2NegativeNot performedDiagnostic laparoscopy, lavage, drain, intravenous antibiotics, TPNLeak resolved; Discharge on POD 11