Revisional Laparoscopic One Anastomosis Gastric Bypass for Weight Loss Failure after Restrictive Procedures - Scorecard - MDSpire

Revisional Laparoscopic One Anastomosis Gastric Bypass for Weight Loss Failure after Restrictive Procedures

  • By

  • Hossam S Abdelrahim

  • Ahmed Elnabil-Mortada

  • Wadie Boshra Gerges

  • Haitham M. Elmaleh

  • July 6, 2026

  • 0 min

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Clinical Scorecard: Laparoscopic One Anastomosis Gastric Bypass as a Revision for Weight Loss Failure Following Restrictive Surgical Interventions

At a Glance

CategoryDetail
ConditionObesity and weight loss failure after restrictive bariatric surgery
Key MechanismsConversion from restrictive procedures to OAGB for improved weight loss and comorbidity resolution
Target PopulationPatients aged 18–65 with BMI ≥ 35 kg/m2 and failed primary restrictive bariatric procedures
Care SettingUniversity hospital with a focus on bariatric metabolic surgery

Key Highlights

  • Cumulative failure rates after primary restrictive procedures range from 30% to 60% at five years.
  • OAGB is a viable conversion alternative to RYGB with comparable effectiveness.
  • Study included 150 patients with specific inclusion and exclusion criteria.

Guideline-Based Recommendations

Diagnosis

  • Identify suboptimal initial response (SIR) and late postoperative clinical deterioration (LPCD) based on defined criteria.

Management

  • Consider OAGB as a conversion procedure for patients with failed primary restrictive bariatric surgery.

Monitoring & Follow-up

  • Follow-up visits scheduled at 10 days, 1, 3, 6, 12, 18, 24 months, and annually up to 5 years post-operation.

Risks

  • Potential complications include procedure-related issues such as band erosion and postoperative leakage.

Patient & Prescribing Data

Patients with failed primary restrictive bariatric procedures (VBG, LAGB, LSG, GCP).

OAGB may offer a simpler and effective alternative for weight loss and comorbidity resolution.

Clinical Best Practices

  • Conduct thorough preoperative assessments including nutritional and psychological evaluations.
  • Utilize laparoscopic techniques for conversion procedures to minimize complications.

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