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Anatomical morphometry for Cricothyrotomy puncture and incision
Kaiji Suzuki1, Naohito Yambe2, Kentaro Hojo3
1Department of Oral Functional Anatomy, Graduate School of Dentistry, Ohu University, Koriyama, Japan.
BMC Surgery
|July 12, 2023
Summary
Laryngeal morphology, including cricothyroid ligament dimensions, varies by sex and correlates with estimated height in Japanese individuals. This finding aids in selecting appropriate surgical airway instruments.
Area of Science:
- Anatomy
- Emergency Medicine
- Surgical Procedures
Background:
- Emergency surgical airways are critical.
- Current methods lack patient-specific laryngeal morphology data for instrument selection.
Purpose of the Study:
- To measure cricothyroid ligament morphology in Japanese individuals.
- To assess correlations between laryngeal morphology and estimated height.
Main Methods:
- Retrospective analysis of 61 anatomical specimens.
- Measurement of cricothyroid ligament width/height and laryngeal depth.
- Estimation of height from tibial length and statistical correlation analysis.
Main Results:
- Significant differences in laryngeal width and depth between sexes.
- Slight correlations observed between laryngeal measurements and estimated height.
Conclusions:
- Laryngeal morphology, crucial for cricothyrotomy, differs by sex and correlates with height.
- Patient sex, weight, and height are important factors for predicting laryngeal morphology.
