Special Case on Reflux Esophagitis Sequence 13 of 32

The endoscope was introduce through the nostrils observing the oropharynx Then we have performed another technical novelty, a retrograde maneuver, from the Gastrostomy- fistula to the superior esophageal sphincter, the endoscope was introduce through the nostrils observing the oropharynx; we have introduced another endoscope into the esophagus.