Korean J Gastrointest Endosc.  2005 Nov;31(5):297-305.

Comparison of Patients' Satisfaction for Transnasal or Transoral Endoscopy in Unsedated Patients

  • 1Department of Gastroenterology, Ajou University School of Medicine, Suwon, Korea. jinhkim@ajou.ac.kr


The aim of this study was to compare the patient's satisfaction and tolerance of transnasal (TN) and transoral (TO) endoscopy prospectively.
120 patients were assigned to undergo TN (age: 49.5, M : F=65 : 55) or TO (age: 47.4, M : F=63 : 57) endoscopy according to their wishes.
The patients' satisfaction was higher in the TN group than in the TO group (8.45 vs. 4.95, p <0.05). The degree of choking sensation, nausea, and throat soreness was lower in the TN group than the TO group. There was no difference in endoscopists' satisfaction between the two groups. The duration for TN was longer than for TO. Epistaxis and nasal pain were the common complications in the TN group. All complications were mild and were relieved spontaneously. An endoscopic examination could be completed in all patients in the TO group. In the TN group, examination failure was quite common in the early phase but the incidence decreased with increasing experience. It took the experience of at least 20 cases for the endoscopist to adapt to the TN route.
TN endoscopy is believed to be a comfortable and safe procedure for improving the patients' satisfaction and for reducing the level of inconvenience.


Transnasal endoscope; Transoral endoscope; Patients' satisfaction
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