Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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Σάββατο 26 Ιανουαρίου 2019

Complete Polysomnographic Parameters In Infants With Severe Laryngomalacia Prior To And After Supraglottoplasty. A Pilot Study

Publication date: Available online 26 January 2019

Source: International Journal of Pediatric Otorhinolaryngology

Author(s): Cortes María Cristina, Villamor Perla, González C. de la Torre, Álvarez-Neri Hiram

Abstract
Introduction

Laryngomalacia is the most common congenital laryngeal anomaly. Because of supraglottic prolapse, laryngomalacia may be associated with obstructive sleep apnea (OSA) and sleep disturbances. The effects of OSA and sleep disorders in children include failure to thrive, cognitive and behavioral disturbances, cardiovascular compromise, and an association with sudden infant death syndrome.

Objective

To evaluate the presence of OSA and sleep disturbances in children with severe laryngomalacia through complete nocturnal polysomnography, as well as to establish the effects of supraglottoplasty in each of the polysomnographic parameters.

Results

Nine infants with severe laryngomalacia were included, all with a complete polysomnographic study prior to and after supraglottoplasty. The average age was 5.5 months. All patients presented an Apnea-Hypopnea Index (AHI) within the range of severe OSA. After supraglottoplasty, a significant reduction in AHI was found, from 34.87±20.34 to 9.44±5.28 after surgery (p: 0.022). Additionally, sleep efficiency had a significant increase, from 21.4% to 56.29% of total sleep time (p: 0.0013). All patients presented a significant decrease in obstructive apnea episodes (p <0.0001), as well as in hypopnea episodes (p: 0.0154). The mean and minimum peripheral oxygen saturation (SpO2) had a significant increase after supraglottoplasty from 88.2% to 94.09% (p: 0.0002), and from 81.01% to 89.33% (p <0.0001), respectively.

Conclusion

Polysomnography (PSG) may provide better surgical sustenance in infants with severe laryngomalacia and OSA, as well as, serving as a monitoring tool of success. However, the surgical decision should not be reduced to polysomnographic results, and a good history and examination remain as the fundamental criteria.



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