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Related Experiment Videos

Do ventilated packs reduce post-operative eustachian tube dysfunction?

N J Morgan1, G Soo, I Frain

  • 1ENT Department, Leicester Royal Infirmary, UK.

Clinical Otolaryngology and Allied Sciences
|October 1, 1995
PubMed
Summary
This summary is machine-generated.

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Cannulated nasal packing did not improve middle ear pressure after nasal surgery. This study found that venting nasal packs does not prevent post-operative Eustachian tube dysfunction.

Area of Science:

  • Otolaryngology
  • Surgical Innovation
  • Clinical Trials

Background:

  • Nasal packing after surgery can cause Eustachian tube dysfunction.
  • Cannulated nasal packs aim to improve nasopharyngeal ventilation.
  • Eustachian tube dysfunction impacts middle ear pressure.

Purpose of the Study:

  • To investigate if cannulated nasal packs reduce post-operative Eustachian tube dysfunction.
  • To compare middle ear pressures with cannulated versus non-cannulated nasal packs.
  • To assess the impact of nasopharyngeal ventilation on middle ear pressure after nasal surgery.

Main Methods:

  • Prospective randomized controlled trial.
  • Adult patients undergoing intranasal surgery without pre-operative Eustachian tube dysfunction.

Related Experiment Videos

  • Randomization to cannulated or non-cannulated Merocel nasal packs.
  • Measurement of middle ear pressures pre- and post-operatively.

    • Main Results:

    • Both groups showed a significant post-operative change in middle ear pressure (P < 0.0001).
    • No significant difference in post-operative middle ear pressure between cannulated (-85 dPa) and non-cannulated (-70 dPa) groups.
    • Nasal surgery with packing objectively reduces middle ear pressure, irrespective of pack venting.

    Conclusions:

    • Venting nasal packs does not alter the objective reduction in middle ear pressure post-surgery.
    • Cannulated nasal packs do not prevent post-operative Eustachian tube dysfunction compared to standard packing.
    • Nasal surgery and packing significantly affect middle ear pressure, a finding not mitigated by cannulation.