Open Access
CC BY-NC-ND 4.0 · Sleep Sci 2022; 15(S 01): 229-233
DOI: 10.5935/1984-0063.20210017
SHORT COMMUNICATIONS

Characterization of cyclic alternating pattern in infants with laryngomalacia

Authors

  • Laura Mendoza Cáceres

    1   Universidad Nacional Autónoma de México, Facultad de Medicina, Sleep disorders Clinic - Mexico City - Mexico.
  • Ángel Daniel Santana Vargas

    1   Universidad Nacional Autónoma de México, Facultad de Medicina, Sleep disorders Clinic - Mexico City - Mexico.
    2   General Hospital of Mexico, Department of Research - Mexico City - Mexico.
  • Gabriela Millán Rosas

    1   Universidad Nacional Autónoma de México, Facultad de Medicina, Sleep disorders Clinic - Mexico City - Mexico.
  • Eduardo Barragán Pérez

    3   Hospital Infantil de México Federico Gómez, Pediatric Neurology Department - Mexico City - Mexico.
  • Adrián Poblano

    1   Universidad Nacional Autónoma de México, Facultad de Medicina, Sleep disorders Clinic - Mexico City - Mexico.
    4   National Institute of Rehabilitation, Laboratory of Cognitive Neurophysiology - Mexico City - Mexico.s
  • Rafael Santana Miranda

    1   Universidad Nacional Autónoma de México, Facultad de Medicina, Sleep disorders Clinic - Mexico City - Mexico.
Preview

Objective Cyclic alternanting pattern (CAP) has been considered a marker of sleep instability in children. The aim of this study was to evaluate the CAP in infants with laryngomalacia.

Material and Methods CAP were quantified in 15 infants with laryngomalacia (mean age 167.2±97.21 days) and 10 controls (mean age of 158.5±116.2 days) using polysomnography.

Results The distribution of the A2 subtypes across NREM stages in infants with laryngomalacia showed a decrease, as well as in the mean duration of CAP sequences. The A3 CAP and arousals increased in infants with laryngomalacia. Our data showed a stronger correlation between the mean duration of A1 CAP and the age in healthy controls than in infants with laryngomalacia. In accordance to previous reports infants with laryngomalacia exhibited an increase in total awake time, apnea-hypopnea index, and a decrease in N3 stage compared to controls.

Discussion Our findings add to a growing body of literature of CAP as an indicator of brain maturation



Publikationsverlauf

Eingereicht: 10. August 2020

Angenommen: 08. März 2021

Artikel online veröffentlicht:
01. Dezember 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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