Negative Expiratory Pressure Technique: An Awake Test to Measure Upper Airway Collapsibility in Adolescents | Zendy

Helena Larramona Carrera | Zendy; Carole L. Marcus | Zendy; Joseph M. McDonough | Zendy; Joan Carles Oliva Morera | Zendy; Jingtao Huang | Zendy; Ramón Farré | Zendy; Josep M. Montserrat | Zendy

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Negative Expiratory Pressure Technique: An Awake Test to Measure Upper Airway Collapsibility in Adolescents

Author(s) -

Helena Larramona Carrera,

Carole L. Marcus,

Joseph M. McDonough,

Joan Carles Oliva Morera,

Jingtao Huang,

Ramón Farré,

Josep M. Montserrat

Publication year - 2015

Publication title -

sleep

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.222

H-Index - 207

eISSN - 1550-9109

pISSN - 0161-8105

DOI - 10.5665/sleep.5164

Subject(s) - supine position , medicine , anesthesia , obstructive sleep apnea , expiration , airway , positive pressure , wakefulness , tidal volume , breathing , ventilation (architecture) , cardiology , respiratory system , mechanical engineering , electroencephalography , psychiatry , engineering

Upper airway (UA) collapsibility is a major pathophysiologic feature of the obstructive sleep apnea syndrome (OSAS). In adolescents, it is measured by obtaining the slope of pressure-flow relationship (SPF) while applying negative nasal pressure during sleep. An easier technique to assess UA collapsibility, consisting of application of negative expiratory pressure (NEP) during wakefulness, has demonstrated differences between control and OSAS subjects. We hypothesized that the NEP technique would correlate with SPF as a measurement of UA collapsibility in adolescents.

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