Johns Hopkins Manual for GI Endoscopic Nurses, Third Edition

Mouen Khashab, MD; Toshunia Robinson, MD; Anthony Kalloo, MD

Chapter 13: Barrett’s Ablation With RFA (continued)

Eun Ji Shin, MD

Barrett’s esophagus is when abnormal intestinal-type epithelium replaces the normal squamous epithelium that lines the esophagus, typically as a consequence of chronic gastroesophageal reflux disease (GERD). It is a predisposing condition to the development of esophageal adenocarcinoma. Radiofrequency ablation (RFA) is an endoscopic technique that delivers a precise amount of radiofrequency energy to cause coagulation injury to result in a full-thickness mucosal ablation of the Barrett’s epithelium. There are two types of RFA devices: the circumferential balloon-based catheter…