Clinical Scorecard: Outcomes of Roux-en-Y Gastric Bypass Surgery on Gastro-Oesophageal Reflux Disease in Obese Patients: A Systematic Review and Meta-Analysis

At a Glance

Key Highlights

• RYGB is an effective bariatric surgery providing long-term weight loss and resolution of obesity-related co-morbidities.
• GORD diagnosis requires objective evidence such as erosive oesophagitis on OGD or distal oesophageal acid exposure >6% on pH monitoring.
• The systematic review assesses RYGB impact on GORD symptoms, PPI discontinuation, and DeMeester scores to guide clinical decision-making.

Guideline-Based Recommendations

Diagnosis

• Use oesophagogastro-duodenoscopy (OGD) to identify advanced erosive oesophagitis, Barrett’s mucosa, or peptic strictures.
• Employ distal oesophageal acid exposure time >6% on pH monitoring as conclusive evidence of GORD.
• Consider pH-impedance monitoring as the gold standard for reflux detection, acknowledging limited availability and cost.

Management

• Consider bariatric surgery, specifically Roux-en-Y gastric bypass (RYGB), for obese patients with GORD when conservative measures fail.
• Counsel patients on potential benefits of RYGB for GORD symptom improvement and weight loss.
• Recognize that laparoscopic sleeve gastrectomy (LSG) may have a higher risk of exacerbating GORD symptoms.

Monitoring & Follow-up

• Monitor GORD symptoms pre- and post-RYGB using validated symptom questionnaires such as GORD-HRQL.
• Assess PPI therapy use and potential discontinuation following RYGB.
• Evaluate perioperative outcomes including operative time, length of stay, and BMI changes.

Risks

• Be aware that bariatric surgery can exacerbate or induce new GORD symptoms.
• Understand that surgical and anesthetic challenges exist with RYGB.
• Recognize the uncertainty regarding the exact prevalence of GORD post-RYGB and the risk of de novo symptoms.

Patient & Prescribing Data

Obese patients undergoing primary RYGB surgery for weight loss and GORD management

RYGB may lead to improvement or resolution of GORD symptoms and allow discontinuation of proton-pump inhibitors, though individual outcomes vary.

Clinical Best Practices

• Perform thorough preoperative assessment of GORD using objective diagnostic modalities to guide surgical decision-making.
• Use validated symptom questionnaires to monitor patient-reported outcomes before and after RYGB.
• Provide multidisciplinary counseling addressing potential benefits and risks of RYGB on GORD symptoms.
• Apply standardized quality assessment tools such as the Newcastle–Ottawa Scale to evaluate study quality when reviewing evidence.
• Follow PRISMA guidelines and register systematic reviews in databases like PROSPERO to ensure methodological rigor.

References

• Obesity and associated co-morbidities
• GORD diagnosis criteria and pH monitoring
• Bariatric surgery efficacy and RYGB outcomes
• PRISMA guidelines for systematic reviews
• Newcastle–Ottawa Scale for quality assessment