Articles Vol. 66 No. CĐ8-NCKH 22/08/2025

3. ELALUATION OF THE ROLE OF MULLER’S MANEUVER IN DIAGNOSING THE SITE OF UPPER AIRWAY OBSTRUCTION IN SLEEP APNEA/ SNORING SYNDROME

Dao Dinh Thi1,2, Nguyen Trung Hieu3,4, Nguyen Tuan Son5,6, Nguyen Quang Hung7,8
1 ational Otorhinolaryngology Hospital
2 Bệnh viện Tai Mũi Họng Trung ương
3 Hanoi Medical University
4 Đại học Y Hà Nội
5 University of Medicine and Pharmacy, Vietnam National University, Hanoi
6 Trường Đại học Y Dược, Đại học Quốc gia Hà Nội
7 Viet Tiep Friendship Hospital
8 Bệnh viện Hữu nghị Việt Tiệp
Corresponding author: tuansonent@gmail.com
DOI: 10.52163/yhc.v66iCD8.2547
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Keywords
Muller’s maneuver obstructive sleep apnea syndrome snoring.
Abstract

apnea condition.

Subjects and methods: The research involved 34 patients seeking surgical intervention for snoring at the National Otorhinolaryngology Hospital from January 2024 to September 2024.

Results: Features of the upper airway obstruction's location: only 20.6% of cases with turbinate hypertrophy, 14.7% with deviated septum, 17.6% with long and broad uvula, 13.5% with hypertrophied tonsils at the base of the tongue, and 1 patient (2.9%) with grade 4 tonsil and Mallampati hypertrophy were found during regular otolaryngologist endoscopy. The soft palate, lateral pharyngeal wall, base of the tongue, and epiglottis all completely collapsed at 41.2%, 70.6%, 0%, and 2.9%, respectively, during the Muller maneuver.

Conclusions: The Muller maneuver provides a basis for accurately diagnosing the location of airway narrowing causing snoring/sleep apnea and planning appropriate treatment, contributing to improving treatment quality.

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