Polysomnographic scoring of sleep bruxism events is accurate even in the absence of video recording but unreliable with EMG-only setups

Purpose To determine the accuracy of scoring masticatory muscle activity (MMA) events in seven different polysomnography (PSG) setups. Methods Nineteen volunteers (13 females, 6 males, age 31.1 ± 12.9 years, 12 self-proclaimed bruxers) attended one-night PSG recording, supplemented with audio, video...

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Bibliographic Details
Published in:Sleep & breathing 2020-09, Vol.24 (3), p.893-904
Main Authors: Miettinen, Tomi, Myllymaa, Katja, Muraja-Murro, Anu, Westeren-Punnonen, Susanna, Hukkanen, Taina, Töyräs, Juha, Lappalainen, Reijo, Mervaala, Esa, Sipilä, Kirsi, Myllymaa, Sami
Format: Article
Language:English
Subjects:
Accuracy
Dentistry
EEG
Electromyography
Internal Medicine
Mastication
Medicine
Medicine & Public Health
Neurology
Otorhinolaryngology
Pediatrics
Pneumology/Respiratory System
Sleep
Sleep Breathing Physiology and Disorders • Original
Sleep Breathing Physiology and Disorders • Original Article
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Summary:Purpose To determine the accuracy of scoring masticatory muscle activity (MMA) events in seven different polysomnography (PSG) setups. Methods Nineteen volunteers (13 females, 6 males, age 31.1 ± 12.9 years, 12 self-proclaimed bruxers) attended one-night PSG recording, supplemented with audio, video, and a separate frontal electroencephalography electrode set (FES). The same examiner scored the MMA events with seven different setups, with varying number of channels available: (1) one, (2) two, and (3) four EMG channels, (4) PSG without audio or video (PSG-N), (5) home PSG with FES and audio (FES-A), (6) PSG with audio (PSG-A), and (7) PSG with audio and video (PSG-AV). A subset ( n  = 10) of recordings was scored twice to determine intra-scorer reliability. MMA indices and accuracy of scoring the events in different setups were compared against PSG-AV. Results The intra-class correlation coefficient (ICC) between PSG-AV and PSG-A was high (0.940, p  
ISSN:1520-9512
1522-1709
DOI:10.1007/s11325-019-01915-2