Respiratory and Auditory Cortical Processing in Children with Obstructive Sleep Apnea Syndrome

Children with obstructive sleep apnea syndrome (OSAS) have impaired cortical processing of respiratory afferent stimuli, manifested by blunted sleep respiratory-related evoked potentials (RREP). However, whether this impairment is limited to respiratory stimuli, or reversible after successful treatm...

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Veröffentlicht in:American journal of respiratory and critical care medicine 2013-10, Vol.188 (7), p.852-857
Hauptverfasser: JINGTAO HUANG, MARCUS, Carole L, DAVENPORT, Paul W, COLRAIN, Ian M, GALLAGHER, Paul R, TAPIA, Ignacio E
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container_issue 7
container_start_page 852
container_title American journal of respiratory and critical care medicine
container_volume 188
creator JINGTAO HUANG
MARCUS, Carole L
DAVENPORT, Paul W
COLRAIN, Ian M
GALLAGHER, Paul R
TAPIA, Ignacio E
description Children with obstructive sleep apnea syndrome (OSAS) have impaired cortical processing of respiratory afferent stimuli, manifested by blunted sleep respiratory-related evoked potentials (RREP). However, whether this impairment is limited to respiratory stimuli, or reversible after successful treatment, is unknown. We hypothesized that, during sleep, children with OSAS have (1) abnormal RREP, (2) normal cortical processing of nonrespiratory stimuli, and (3) persistence of abnormal RREP after treatment. To measure sleep RREP and auditory evoked potentials in normal control subjects and children with OSAS before and after treatment. Twenty-four children with OSAS and 24 control subjects were tested during N3 sleep. Thirteen children with OSAS repeated testing 4-6 months after adenotonsillectomy. RREP were blunted in OSAS compared with control subjects (N350 at Cz -27 ± 15.5 vs. -47.4 ± 28.5 μV; P = 0.019), and did not improve after OSAS treatment (N350 at Cz pretreatment -25.1 ± 7.4 vs. -29.8 ± 8.1 post-treatment). Auditory evoked potentials were similar in OSAS and control subjects at baseline (N350 at Cz -58 ± 33.1 vs. -66 ± 31.1 μV), and did not change after treatment (N350 at Cz -67.5 ± 36.8 vs. -65.5 ± 20.3). Children with OSAS have persistent primary or irreversible respiratory afferent cortical processing deficits during sleep that could put them at risk of OSAS recurrence. OSAS does not seem to affect the cortical processing of nonrespiratory (auditory) afferent stimuli during sleep.
doi_str_mv 10.1164/rccm.201307-1257OC
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subjects Adenoidectomy
Adolescent
Afferent Pathways - physiopathology
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Auditory Cortex - physiology
Biological and medical sciences
Case-Control Studies
Child
Evoked Potentials - physiology
Female
Humans
Intensive care medicine
Male
Medical sciences
Nervous system
Pediatrics
Philadelphia
Pneumology
Polysomnography
Respiratory System - innervation
Respiratory System - physiopathology
Respiratory System - surgery
Respiratory system : syndromes and miscellaneous diseases
Sleep apnea
Sleep Apnea, Obstructive - complications
Sleep Apnea, Obstructive - physiopathology
Sleep Apnea, Obstructive - surgery
Statistical analysis
Tonsillectomy
Treatment Outcome
Turbinates - surgery
title Respiratory and Auditory Cortical Processing in Children with Obstructive Sleep Apnea Syndrome
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