Comparison of Tissue Architectural Changes between Radiofrequency Ablation and Cryospray Ablation in Barrett’s Esophagus Using Endoscopic Three-Dimensional Optical Coherence Tomography
Table 1
Summary of the comparison between RFA and CSA.
Treatment method
RFA
CSA
Number of patients
10
3
Characteristics
Burned tissues with hyperscattering desquamation and debris
Edema-like spongiform appearance and minimal hyperscattering desquamation caused by freezing
Maximum depth of architectural changes (Mean SD)
(i) m for the first set of ablations (ii) m for the second set of ablations