title: The audiological profile of adults with and without hypertension.
abstract: OBJECTIVE
  To determine whether there is any influence of systemic arterial hypertension on the peripheral auditory system.
  
  
  METHODS
  This was a cross-sectional study that investigated 40 individuals between 30 and 50 years old, who were divided into groups with and without systemic arterial hypertension, using data from high-frequency audiometry, transient-evoked otoacoustic emissions and distortion-product otoacoustic emissions. The results were compared with those from groups of normal-hearing individuals, with and without systemic arterial hypertension, who underwent the pure-tone audiometry test. All individuals also underwent the following procedures: otoscopy, acoustic immittance measures, pure-tone audiometry at frequencies from 250 to 16000 Hz, transient-evoked otoacoustic emissions test and distortion-product otoacoustic emissions test.
  
  
  RESULTS
  No statistically significant difference was observed between the groups with and without systemic arterial hypertension in either conventional or high-frequency audiometry. Regarding transient-evoked otoacoustic emissions, there was a trend toward statistical significance whereby the systemic arterial hypertension group showed lower results. Regarding distortion-product otoacoustic emissions, the systemic arterial hypertension group showed significantly lower results at the following frequencies: 1501, 2002, and 3003 Hz. A discriminant analysis indicated that the distortion-product otoacoustic emissions variables best distinguished individuals with and without systemic arterial hypertension.
  
  
  CONCLUSIONS
  Data from this study suggest cochlear dysfunction in individuals with systemic arterial hypertension because their otoacoustic emission results were lower than those in the systemic arterial hypertension group.
authors.affiliation: Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Universidade de São Paulo, São Paulo, SP, Brazil.
authors.forename: Mariana Aparecida
authors.initials: MA
authors.lastname: Soares
authors.affiliation: Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Universidade de São Paulo, São Paulo, SP, Brazil.
authors.forename: Seisse Gabriela Gandolfi
authors.initials: SG
authors.lastname: Sanches
authors.affiliation: Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Universidade de São Paulo, São Paulo, SP, Brazil.
authors.forename: Carla Gentile
authors.initials: CG
authors.lastname: Matas
authors.affiliation: Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Universidade de São Paulo, São Paulo, SP, Brazil.
authors.forename: Alessandra Giannella
authors.initials: AG
authors.lastname: Samelli
mesh_terms: D000328:Adult; D001299:Audiometry / Q000379:methods*; D001301:Audiometry, Pure-Tone; D001309:Auditory Threshold / Q000502:physiology*; D016022:Case-Control Studies; D003430:Cross-Sectional Studies; D016002:Discriminant Analysis; D005260:Female; D034381:Hearing Loss / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D006317:Hearing Loss, Noise-Induced / Q000209:etiology; D006801:Humans; D006973:Hypertension / Q000150:complications / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D017084:Otoacoustic Emissions, Spontaneous / Q000502:physiology*