Gastroesophageal Reflux Disease Referral to Gastroenterology
Referral to gastroenterology (typically for upper endoscopy and/or reflux testing) is recommended for patients with GERD alarm features or for patients with inadequate response to an empiric proton pump inhibitor (PPI) trial ACG GERD guideline (2013; reaffirmed in subsequent summaries).
Immediate Referral for Alarm Features
Upper endoscopy–directed gastroenterology referral is recommended in patients with classic GERD symptoms who have alarm features, including any of the following ACG GERD guideline (2013; reaffirmed in subsequent summaries):
- Dysphagia.
- Odynophagia.
- Unintentional weight loss.
- Gastrointestinal bleeding (including iron-deficiency anemia or hematemesis/melena when clinically present).
- Suspected complications of GERD (e.g., stricture features).
Referral After Inadequate Response to Empiric PPI Therapy
Gastroenterology referral for diagnostic evaluation is recommended when classic GERD symptoms do not respond adequately to an empiric PPI trial ACG GERD guideline (2013; reaffirmed in subsequent summaries):
- An empiric PPI trial should be given for 8 weeks for patients with typical GERD symptoms and no alarm features ACG GERD guideline (2013; reaffirmed in subsequent summaries).
- Diagnostic endoscopy is recommended when symptoms do not respond adequately to the empiric 8-week PPI trial ACG GERD guideline (2013; reaffirmed in subsequent summaries).
- Diagnostic evaluation is also recommended when symptoms return when PPI therapy is discontinued ACG GERD guideline (2013; reaffirmed in subsequent summaries).
Medication-Related Decision Points That Trigger Evaluation
Gastroenterology referral is recommended when ongoing symptoms or relapse occur despite appropriate empiric acid suppression or when objective testing is required to define phenotype AGA Clinical Practice Update (personalized approach; expert review):
- Persistent troublesome heartburn and/or regurgitation despite adequate PPI trial warrants investigation with endoscopy AGA Clinical Practice Update (personalized approach; expert review).
- If endoscopy does not show erosive reflux disease of sufficient severity or Barrett’s esophagus, prolonged reflux monitoring off medication is recommended to confirm and phenotype GERD AGA Clinical Practice Update (personalized approach; expert review).
Timing of Referral Relative to PPI Trial
Gastroenterology referral for diagnostic endoscopy should follow an empiric PPI trial failure rather than preceding initial empiric therapy in patients without alarm features ACG GERD guideline (2013; reaffirmed in subsequent summaries).
- No alarm features: empiric PPI trial for 8 weeks first ACG GERD guideline (2013; reaffirmed in subsequent summaries).
- Alarm features or inadequate response to 8-week empiric PPI trial: endoscopy-directed evaluation ACG GERD guideline (2013; reaffirmed in subsequent summaries).
Key Information to Document Before GI Referral
The referral should include symptom phenotype and the adequacy of empiric therapy because endoscopy and reflux monitoring decisions depend on these factors AGA Clinical Practice Update (personalized approach; expert review):
- Presence or absence of alarm features.
- Classic symptoms (heartburn and/or regurgitation).
- Details of PPI trial adequacy (drug, dose, frequency, and duration).
- Whether symptoms recur after discontinuation.
- Any prior endoscopy results or known Barrett’s esophagus status (if applicable).