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Related Experiment Video

Updated: Mar 6, 2026

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Bronchoscopy: Oral or Nasal Insertion?

Geertje M de Boer1, Yasemin Türk, Virginie H Meuleman-van Waning

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This summary is machine-generated.

Oral insertion of a bronchoscope is faster than nasal insertion for nonsedated procedures. Patient experience, particularly after nasal insertion, impacts willingness to return, suggesting oral insertion may be preferable.

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Area of Science:

  • Pulmonology
  • Medical Procedures

Background:

  • Flexible bronchoscopy is crucial for diagnosing and treating lung disorders.
  • Lack of standardized insertion guidelines necessitates comparative studies.
  • A prospective randomized controlled trial was conducted to evaluate nasal versus oral insertion.

Purpose of the Study:

  • To compare the time taken for oral versus nasal bronchoscope insertion.
  • To assess patient willingness to return (WTR) after each insertion method.
  • To explore the relationship between patient experience and WTR.

Main Methods:

  • 66 patients undergoing unsedated bronchoscopy were randomized to oral or nasal insertion.
  • Primary outcomes: time to pass vocal cords (VC) and WTR.
  • Secondary outcomes: patient experience and conversion rates.

Main Results:

  • Oral insertion was significantly faster (24.43s) than nasal insertion (52.33s) to pass the vocal cords.
  • Willingness to return did not significantly differ between groups (4 vs. 5 on a 10-point scale).
  • A strong correlation existed between patient experience and WTR, especially with nasal insertion (r=0.809). Conversion rates were higher with nasal insertion (51.6%) vs. oral (1.5%).

Conclusions:

  • Oral insertion is quicker for unsedated bronchoscopy.
  • Negative patient experiences with nasal insertion correlate with lower willingness to return.
  • Oral insertion is recommended for unsedated bronchoscopy with >6.0-mm scopes, unless upper airway inspection is needed.