A simple and reliable predictor for an adequate laryngeal view with rigid endoscopic laryngoscopy

Author:

Low Christopher1,Young PAM2,Webb Christopher J.1,Walshe Peter1,Hone Stephen1,Panarese Alessandro1,Mccormick Maxwell S.1

Affiliation:

1. From the ENT Department (Drs Low, Webb, Walshe, Hone, Panarese, and McCormick), Liverpool, United Kingdom.

2. From the Speech and Language Therapy Department (Dr Young) Royal Liverpool University Hospital, Liverpool, United Kingdom.

Abstract

OBJECTIVES: It is sometimes impossible to obtain an adequate laryngeal view during rigid endoscopic laryngoscopy. This may be due to a high tongue base. Our study seeks to determine a correlation between tongue base level and the adequacy of laryngeal view obtained with a 70-degree rigid endoscope. STUDY DESIGN AND SETTING: Over a period of 4 months, patients from a voice clinic were gathered and categorized into class I to III according to Mallampati et al (1985). Rigid laryngo-videostroboscopy was conducted to assess the larynx and the adequacy of the view was recorded. RESULTS: 74 patients were recruited. The number of adequate views were: class I = 18/20 (90%); class II = 20/33 (60.6%); class III = 7/21 (33.3%). χ2 analysis demonstrated significance trend in all 3 classes. CONCLUSION: The level of the tongue base correlated well with the adequacy of laryngeal view obtained from a 70-degree rigid endoscope. This can be used to predict the success of obtaining adequate views during rigid laryngoscopy.

Publisher

SAGE Publications

Subject

Otorhinolaryngology,Surgery

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