Abstract
We read with interest the article by Mori et al. [1] on their proposal for grading nasomucosal injury from grade 0 (no injury), grade 1 (mucosal redness), grade 2 (oozing hemorrhage), to grade 3 (overt bleeding). A reporting system to record nasal injury/bleeding after ultrathin transnasal esophagogastroduodenoscopy (UT-EGD) is important for the next pre-exam reference. There are several solid data showing UT-EGD to be a safe procedure with minor complications [2], which contradict Mori’s statement about “lack of data regarding its safety.” Thus, the American Society for Gastrointestinal Endoscopy report on UT-EGD published 10 years ago may require amendment.
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