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The posterior glottis: structural and clinical considerations.

M N Kotby¹, E Kamal, A El-Makhzangy

¹Phoniatrics Unit, Ain Shams University, 11, El-Ansary Street, Manshiet El-Bakry, 11341, Cairo, Egypt. nkotby@cng.com.eg

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery

|May 23, 2012

Summary

The posterior glottis (PG) remains underappreciated in clinical practice. This study clarifies its features and proposes recommendations for endotracheal tube sizing.

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Area of Science:

Otolaryngology
Laryngology
Anatomy

Background:

The posterior glottis (PG) is a distinct laryngeal region often overlooked in clinical settings.
Despite existing literature, awareness and understanding of the PG's clinical significance remain limited.

Purpose of the Study:

To assess current awareness of the posterior glottis in laryngological practice.
To elucidate the clinical features and behavior of the posterior glottis.
To address and clarify misconceptions regarding the PG.

Main Methods:

A comprehensive literature review of the posterior glottis over the past 50 years.
Clinical examination of the posterior glottis in 100 healthy individuals.
Analysis of literature findings and clinical observations.

Main Results:

Literature analysis revealed limited recognition of the PG as a distinct laryngeal area.
Clinical observations identified misconceptions, such as equating PG changes with inter-arytenoid pachydermia or voice alterations.
Data on PG dimensions were collected to inform clinical practice.

Conclusions:

The posterior glottis requires greater clinical attention and understanding.
Clarification of PG structure, function, and clinical presentation is necessary.
Recommendations for optimal endotracheal tube sizing in both sexes are proposed based on PG dimensions.