The primary defect is probably an anatomically small or collapsible pharyngeal airway, in combination with a sleep-induced fall in upper airway muscle activity 2.Īs mentioned in the study of Stuck and Maurer 7, airway anatomic variables related to OSA have been incorporated into complex models involving detailed physical or radiographic measurements. Pathogenesis of airway obstruction in patients with OSA remains incompletely understood 6. The upper airway anatomy and neuromuscular functions play a crucial role in the pathophysiology of OSA 1-5. Obstructive sleep apnea (OSA) is a common disorder characterized by recurrent episodes of upper airway obstruction during sleep. Palavras-Chave: apneia obstrutiva do sono, SAOS, reflexo palatal, reflexo nauseoso. Os achados mais relevantes em nosso estudo foram: ausência do reflexo nauseoso em pacientes com SAOS grave (p=0,001) ausência do reflexo palatal em pacientes com SAOS moderada (p=0,02).ĬONCLUSÃO: Os reflexos nauseoso e palatal, um simples exame não invasivo, aplicado em uma avaliação neurológica rotineira, pode revelar o impacto de lesões neurogênicas locais associadas ao ronco e/ou a SAOS. RESULTADOS: 41 pacientes apresentaram SAOS. MÉTODO: Avaliamos os reflexos palatal e nauseoso em 55 pacientes adultos, com exame polissonográfico subsequente. O objetivo deste estudo foi mostrar se métodos não invasivos como os reflexos nauseoso e palatal podem ser avaliações prospectivas multivariadas preditoras para SAOS. Key words: obstructive sleep apnea, OSA, gag reflex, palatal reflex.Ī síndrome da apneia obstrutiva do sono (SAOS) possui alta prevalência e pode causar sérias comorbidades. The most relevant findings in our study were: absence of gag reflex on patients with severe obstructive apnea (p=0.001) absence of palatal reflex on moderate obstructive apnea patients (p=0.02).ĬONCLUSION: Gag reflex and palatal reflex, a simple noninvasive test regularly performed in a systematic neurological examination can disclose the impact of the local neurogenic injury associated to snoring and/or obstructive sleep apnea syndrome. RESULTS: Forty-one participants presented obstructive sleep apnea. METHOD: We evaluate gag reflex and palatal reflex, of fifty-five adult patients, and their subsequent overnight polysomnography. The aim of this trial was to show if simple noninvasive methods such as gag reflex and palatal reflex are prospective multivariate assessments of predictor variables for OSA. IIIUniversidade Federal do Maranhão (UFMA), BrazilĠ1547-000 São Paulo SP - sleep apnea (OSA) has high prevalence and may cause serious comorbities. IIDepartament of Neurology, UNIFESP, São Paulo SP, Brazil ISão Paulo Hospital Sleep Laboratory, Neuro-Sono, UNIFESP, São Paulo SP, Brazil Carvalho I, II Gilmar Fernandes do Prado I, II Juliana Spelta Valbuza I, II Márcio Moysés de Oliveira I, II, III Cristiane Fiquene Conti I, II, III Lucila Bizari F. Oropharyngeal examination as a predictor of obstructive sleep apnea: pilot study of gag reflex and palatal reflexĪvaliação orofaríngea como preditor da apneia obstrutiva do sono: estudo piloto dos reflexos nauseoso e palatal
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