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Potenciales provocados auditivos en niños con riesgo neonatal de hipoacusia / Auditory evoked potentials in children at neonatal risk for hypoacusis
Garza Morales, Saúl; Poblano, Adrián; Robledo Galván, Alicia; Fernández Carrocera, Luis Alberto.
  • Garza Morales, Saúl; s.af
  • Poblano, Adrián; s.af
  • Robledo Galván, Alicia; s.af
  • Fernández Carrocera, Luis Alberto; s.af
Rev. panam. salud pública ; 1(2): 119-124, feb. 1997. tab
Article in Spanish | LILACS | ID: lil-201124
RESUMEN
Los potenciales provocados auditivos del tallo cerebral (PPATC) son un método sencillo y no invasor de evaluación de la función auditiva, que se utiliza ampliamente en niños para detectar tempranamente hipoacusia. Entre abril de 1992 y mayo de 1994, se estudiaron 400 niños mexicanos que presentaban, al menos, un factor de riesgo neonatal de hipoacusia. La media de la edad de los niños estudiados fue 6,6 meses y la media de la edad gestacional al nacer, 35,1 semanas. El 51% de ellos fueron tratados con amikacina. Se registraron 1 427 factores de riesgo (3,5 por niño), entre los que predominaron la exposición a ototóxicos, la hiperbilirrubinemia y el peso al nacer menor de 1 500 g. En 27% se encontraron alteraciones auditivas de tipo periférico y en 13%, ausencia de respuesta a estímulos auditivos. El bajo peso y la menor edad gestacional al nacer, la concentración máxima de bilirrubina en el suero, la presencia de sepsis, la hemorragia subependimaria o intraventricular, la ventilación mecánica y la exposición a ototóxicos se asociaron significativamente con la presencia de hipoacusia grave o profunda
ABSTRACT
Auditory evoked potentials of the brain stem (AEPBS) provide a simple, noninvasive method of evaluating hearing function and have been widely used for early detection of hypoacusis in children. Between April 1992 and May 1994, a study was done of 400 Mexican children who presented at least one neonatal risk factor for hearing impairment. The average age of the children studied was 6.6 months and their average gestational age at birth was 35.1 weeks. Just over half of them (51%) had been treated with amikacin. The study found 1 427 risk factors (3.5 per child), the most common ones being exposure to ototoxic substances, hyperbilirubinemia, and birthweight of less that 1 500 g. In 27% of the children, peripheral auditory changes were found, and 13% did not respond to auditory stimuli. Low birthweight and young gestational age at birth, high serum concentration of bilirubin, sepsis, subependymal or intraventricular hemorrhage, mechanical ventilation, and exposure to ototoxic substances were significantly associated with the presence of severe or profound hypoacusis.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Auditory Perceptual Disorders / Risk Factors / Evoked Potentials, Auditory, Brain Stem / Perinatal Care Type of study: Etiology study / Risk factors Limits: Female / Humans / Male / Pregnancy Country/Region as subject: Mexico Language: Spanish Journal: Rev. panam. salud pública Journal subject: Public Health Year: 1997 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Auditory Perceptual Disorders / Risk Factors / Evoked Potentials, Auditory, Brain Stem / Perinatal Care Type of study: Etiology study / Risk factors Limits: Female / Humans / Male / Pregnancy Country/Region as subject: Mexico Language: Spanish Journal: Rev. panam. salud pública Journal subject: Public Health Year: 1997 Type: Article