Prevalence of bruxism in children with episodic migraine - a case–control study with polysomnography

BMC Research Notes

Fernando Morgadinho Santos Coelho¹  Gilmar Fernandes do Prado⁴  Sergio Tufik²  Deusvenir de Souza Carvalho⁴  Alexander Joseph Moszczynski³  Marcia Pradella-Hallinan²  Thais Rodrigues Villa⁴  Alice Hatsue Masuko² 

[1] Rua Marselhesa, 529, Vila Clementino, CEP 04020-060, São Paulo, SP, Brasil;Disciplina de Medicina e Biologia do Sono, Departamento de Psicobiologia da Universidade Federal de São Paulo, São Paulo, Brazil;Robarts Research Institute, Western University, London, Ontario, Canada;Disciplina de Neurologia, Departamento de Neurologia e Neurocirurgia e da Universidade Federal de São Paulo, São Paulo, Brazil

关键词: Polysomnography;    Migraine;    Sleep;    Bruxism;   

Others  :  1132761
DOI  :  10.1186/1756-0500-7-298

 received in 2014-01-20, accepted in 2014-04-29,  发布年份 2014

【 摘 要 】

Background

Parents of children with migraine have described a higher prevalence of sleep bruxism and other sleep disturbances in their children. The objective of this study was to use polysomnography to investigate the prevalence of bruxism during sleep in children with episodic migraine relative to controls.

Findings

Controls and patients were matched by sex, age, years of formal education, presence of snoring, arousals per hour, and respiratory events per hour.

A total of 20 controls, between 6 and 12 years old, with no history of headache, recruited from public schools in Sao Paulo between 2009 and 2012, and 20 patients with episodic migraine recruited from the Headache Clinic at the Federal University of Sao Paulo between 2009 and 2012 underwent polysomnography.

No intervention was performed before sleep studies.

Among migraine patients, 27.5% experienced aura prior to migraine onset. The sleep efficiency, sleep latency, REM sleep latency, arousals per hour, percentage of sleep stages, and breathing events per hour were similar between groups. Five children (25%) with episodic migraine exhibited bruxism during the sleep study while this finding was not observed in any control (p = 0.045).

Conclusions

Our data demonstrate that bruxism during sleep is more prevalent in children with episodic migraine. Further prospective studies will help elucidate the underlying shared pathogenesis between bruxism and episodic migraine in children.

【 授权许可】

   
2014 Masuko et al.; licensee BioMed Central Ltd.

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