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Related Experiment Videos

Transnasal gastroscopy.

M Christensen1, M Achiam, R Trap

  • 1Department of Surgical Gastroenterology, H:S Hvidovre Hospital. merete.christensen@dadlnet.dk

Danish Medical Bulletin
|July 29, 2000
PubMed
Summary
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Transnasal gastroscopy (TNG) is a well-tolerated endoscopic procedure in Denmark. This thin endoscope method showed high success rates and patient preference over traditional oral gastroscopy.

Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Transnasal gastroscopy (TNG) introduction in a Danish hospital setting.
  • Comparison of TNG with conventional oral gastroscopy regarding patient tolerance.

Purpose of the Study:

  • To evaluate the feasibility and patient experience of TNG in a Danish hospital.
  • To assess the tolerance and outcomes of TNG compared to oral gastroscopy.

Main Methods:

  • A prospective study involving patients scheduled for diagnostic gastroscopy.
  • Examination using a thin, transnasal endoscope (Olympus XGIF-N200 prototype, 6 mm diameter).

Main Results:

  • TNG was successful in 93% of 60 patients; 80% had satisfactory examination quality.

Related Experiment Videos

  • 68% of patients underwent unsedated TNG, with 55% reporting no gag reflex or nausea.
  • The median unpleasantness score was 2 (slightly unpleasant), with 88% preferring TNG for future procedures. Epistaxis occurred in 15 patients.

    • Conclusions:

    • Transnasal gastroscopy with a thin endoscope is well-tolerated by patients.
    • Subjective patient experiences and stable physiological parameters (heart rate, oxygen saturation) support TNG's tolerability.