Utilization of Narrow Band Imaging and Acetic Acid Chromoendoscopy for Barrett’s Oesophagus Surveillance

Overview

This systematic review synthesizes evidence on the effectiveness of narrow band imaging (NBI) and acetic acid chromoendoscopy (AAC) in Barrett’s oesophagus (BO) surveillance.

Background

Barrett’s oesophagus is a precancerous condition that can progress to oesophageal adenocarcinoma, necessitating regular surveillance. Traditional surveillance methods, such as the Seattle protocol, are labor-intensive and may miss dysplastic lesions. Advanced imaging techniques like NBI and AAC have been evaluated for their effectiveness in enhancing detection rates.

Data Highlights

No numerical data or trial data was provided in the article.

Key Findings

• NBI-targeted biopsies are more effective in overall dysplasia detection than white light endoscopy.
• AAC demonstrates higher sensitivity for neoplasia detection compared to white light endoscopy.
• Both NBI and AAC require fewer biopsies than traditional methods.
• Neither NBI nor AAC can replace the Seattle protocol due to potential neoplasia missing rates.
• The review included 44 interventional studies evaluating NBI and AAC in BO surveillance.

Clinical Implications

The findings indicate that while NBI and AAC improve dysplasia and neoplasia detection rates, they should be used in conjunction with the Seattle protocol.

Conclusion

NBI and AAC have been shown to improve detection rates in Barrett’s oesophagus surveillance; however, adherence to established biopsy protocols remains essential.

Related Resources & Content

1. American Gastroenterological Association, Surveillance of Barrett’s esophagus, 2025 -- Clinical Practice Guideline
2. BMJ Open Gastroenterology, Advanced imaging and guided biopsies in surveillance of Barrett’s oesophagus: a systematic review, 2026 -- Systematic Review
3. The New Gastroenterologist, Updated Guidelines for Endoscopic Monitoring of Barrett's Esophagus Issued by AGA, 2025 -- Updated Guidelines
4. The New Gastroenterologist — Shifting Approaches in Clinical Practice: Management of Esophageal Varices and Barrett’s Esophagus
5. The New Gastroenterologist — Is Symptom-Driven Endoscopy as Effective as Routine Surveillance for Patients with Barrett's Esophagus?
6. Journal of Gastroenterology — Endoscopic Evaluation and Management of Esophageal Adenocarcinoma: A New Classification System for Barrett’s Esophagus by the Japan Esophageal Society
7. Shifting Approaches in Clinical Practice: Management of Esophageal Varices and Barrett’s Esophagus
8. Is Symptom-Driven Endoscopy as Effective as Routine Surveillance for Patients with Barrett's Esophagus?
9. Surveillance of Barrett’s esophagus - American Gastroenterological Association
10. Advanced imaging (narrow band and acetic acid chromoendoscopy) and guided biopsies in surveillance of Barrett’s oesophagus: a systematic review | BMJ Open Gastroenterology
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