Transnasal Route: New Approach to Endoscopy
An ultrathin endoscope inserted via a nostril, so-called transnasal esophagogastroduodenoscopy (TN-EGD) is widely accepted nowadays.
Unsedated transnasal endoscopy: A Canadian experience in daily practice
The use of sedation is also associated with an increase in cost, loss of work on the day of endoscopy and the need for the patient to be accompanied home after the procedure. Transnasal endoscopy has advantages such as no sedation and less patient monitoring, nursing time and expenses than conventional per oral EGD.