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Updated: Jan 13, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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External Pressure During Microlaryngeal Surgery - A New Device For Improved Visualization.

Emma Malmström1, Gregory Margolin1, Stellan Hertegård1

  • 1Department of Otorhinolaryngology, Karolinska University Hospital, CLINTEC, Karolinska Institutet, Sweden.

Journal of Voice : Official Journal of the Voice Foundation
|January 6, 2026
PubMed
Summary
This summary is machine-generated.

External laryngeal pressure is necessary in 34% of microlaryngeal surgeries for adequate vocal fold visualization. A new laryngoscope holder aids this pressure, improving surgical outcomes.

Keywords:
Cricoid pressureLaryngoscopyMLSPhonosurgery

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Area of Science:

  • Otolaryngology
  • Surgical Technology

Background:

  • Microlaryngeal surgery (MLS) requires optimal laryngeal exposure.
  • External laryngeal counter pressure is sometimes needed for adequate visualization.

Purpose of the Study:

  • To determine the necessity of external laryngeal counter pressure during MLS.
  • To introduce a novel laryngoscope holder designed to assist with this pressure and enhance laryngeal visualization.

Main Methods:

  • Retrospective analysis of 452 MLS procedures performed between 2018-2019.
  • Data collected included patient demographics, diagnosis, need for external laryngeal pressure, and complications.
  • Development and presentation of a new, adjustable laryngoscope holder.

Main Results:

  • External laryngeal pressure was required in 34% of cases for adequate laryngeal exposure.
  • Male patients more frequently required external pressure (P=0.007).
  • Lesion characteristics (location, malignancy) did not significantly impact the need for pressure.

Conclusions:

  • A significant portion of MLS cases (34%) necessitate external laryngeal pressure for optimal exposure.
  • The presented adjustable laryngoscope holder offers a solution for consistent external pressure application.
  • This device has the potential to improve vocal fold visualization during microlaryngeal surgery.