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    Neurobehavioral and autonomic alterations in adults with obstructive sleep apnea

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    item_2-s2.0-84908458020.pdf (3.952Kb)
    Date
    2014
    DOI
    10.1016/j.sleep.2014.05.030

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    Author
    Idiaquez J.
    Santos I.
    Santin J.
    Del Rio R.
    Iturriaga R.
    Abstract
    Objective: Obstructive sleep apnea (OSA) is associated with sympathetic hyperactivity, excessive nocturnal sweating, sleepiness, and neurobehavioral cognitive alterations. However, it is not well known if cognitive consequences of OSA are independent from autonomic alterations. Thus, we assessed the association between polysomnographic, autonomic, and cognitive tests performance in OSA patients. Methods: Fifty eight OSA patients (53 male) were administered with questionnaires assessing demographic, Epworth, Beck Depression Inventory, Syndrom Kurz test (SKT), Trail Making part B (TMT-B), and Frontal Assessment Battery (FAB) tests. Spectral analysis of heart rate variability (HRV) and night sweating symptoms (NSwS) score were used to assess autonomic function. Results: Global cognitive function (SKT) was normal in mild-moderate (M-OSA) and severe (S-OSA) patients. In S-OSA patients AHI was correlated with TMT-B (r = 0.30 P < 0.05) and with FAB (r = -0.31 P < 0.05). Oxygen desaturation was correlated with TMT-B (r = -0.45 P = < 0.001) and FAB (r = 0.29 P = < 0.05). Sympathetic overactivity was correlated with oxygen desaturation: HRV (r = -0.39 P < 0.05) and NSwS score (r = -0.49 P < 0.01), but HRV and NSwS score were not correlated with TMT-B and FAB. Conclusion: Frontal cognitive dysfunction and predominance of sympathetic drive occur in OSA patients. Abnormal frontal cognitive function and sympathetic hyperactivity were related to oxygen desaturation, but not between each other. We conclude that neurobehavioral changes and autonomic imbalance in OSA patients take place independently from each other, suggesting different pathophysiological pathways. © 2014 Elsevier B.V.
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    LA UNIVERSIDAD
    • Aseguramiento de Calidad
    • Internacional
    • Vinculación con el Medio
    • Más Transparencia
    • Acreditación
    • Reglamentos e instructivos
    • Reclamos y Sugerencias
    FACULTADES
    • Administración y Negocios
    • Arquitectura y Construcción
    • Ciencias de la Salud
    • Ciencias Sociales y Humanidades
    • Derecho
    • Educación
    • Ingeniería
    INVESTIGACIÓN
    • Estructura
    • Comités de Ética
    • Institutos de Investigación
    • Centros de Investigación
    • Grupos de Investigación
    • Docentes Investigadores
    POSTGRADOS
    • Postgrados
    • Doctorados
    • Magíster
    • Especialidades
    • Escuela Internacional
    • Escuela Alta Dirección