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Original Article

Effectiveness of esophagogastroduodenoscopy in changing treatment outcome in refractory gastro-esophageal reflux disease

, , , &
Pages 124-130 | Received 10 Aug 2021, Accepted 28 Sep 2021, Published online: 20 Oct 2021
 

Abstract

Background/aims

The effectiveness of screening esophagogastroduodenoscopy (EGD) for refractory gastroesophageal reflux disease (GERD) symptoms alone has not been validated.

Methods

We performed an observational study of patients with refractory GERD who underwent EGD from 2013 to 2016 at a tertiary hospital. Among 928 patients with GERD, we excluded patients with other alarm features, other indications for EGD, history of gastroesophageal surgery, or EGD done for other diagnostic procedures, and identified 301 patients who underwent EGD solely for persistent reflux symptoms such as heartburn or regurgitation.

Results

Among 301 patients with refractory GERD, 81.4% of patients were taking PPIs. 49.8% of patients had completely normal EGD findings and 33.6% of patients had benign or incidental findings. Two patients (0.6%) had LA grade C or D esophagitis, and 16.3% of patients had irregular Z line or salmon-colored mucosa. 91.0% (122/134) who had a biopsy had normal or benign findings. 4.0% (12/301) of patients had biopsy-proven intestinal metaplasia which is similar to the previously known prevalence of intestinal metaplasia in patients without heartburn (5.6%) and none had dysplasia or malignancy. Male sex was associated with endoscopic intestinal metaplasia suspected lesions in multivariate analysis (OR: 1.96, 95% CI: 1.04–3.70, p = .036) but not biopsy-proven intestinal metaplasia. Elderly age, obesity, alcohol or cigarette consumption, PPI use, GERD duration >3–5 years did not predict endoscopically suspected or biopsy-proven intestinal metaplasia. Only 5% of patients had a pH-impedance study for refractory reflux symptoms.

Conclusions

Most patients who underwent EGD for refractory GERD symptoms alone did not have pathological findings requiring a change in management. Screening EGD for patients only with persistent reflux symptoms should not be routinely recommended.

Author contributions

Study concept and design: All authors. Acquisition of data: Kwak, Saleh. Analysis, or interpretation of data: Kwak, Masoud. Drafting of the manuscript: Kwak. Critical revision of the manuscript for important intellectual content: All authors. Statistical analysis: Kwak. Study supervision: Sanchez, Masoud.

Disclosure statement

No potential conflict of interest was reported by the author(s).

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