Residual sleep disordered breathing under ventilatory support in children: a polysomnography study

Area of Science:

• Pediatric Pulmonology
• Sleep Medicine
• Respiratory Care

Background:

• Sleep-disordered breathing (SDB) significantly impacts children's health and development.
• Long-term ventilatory support (VS), including continuous positive airway pressure (CPAP) and non-invasive ventilation (NIV), is a common treatment for pediatric SDB.
• Residual symptoms like sleepiness and asthenia (RSA) can persist despite VS.

Purpose of the Study:

• To evaluate the effectiveness of long-term VS on symptoms, sleep, and respiratory parameters in children with SDB.
• To determine the prevalence of RSA in children receiving VS.
• To identify factors associated with RSA in this population.

Main Methods:

• Multicenter retrospective study of 61 children (1 month-18 years) with SDB undergoing VS.
• Polysomnography (PSG) was performed at diagnosis and during VS.
• Clinical, sleep, and respiratory data were compared between diagnostic and VS PSG, and between patients with and without RSA.

Main Results:

• VS significantly improved nighttime SDB symptoms and respiratory parameters, with mild OSA (OAHI 2/hr) during VS.
• However, daytime symptoms were not fully controlled, and 42% of children experienced RSA.
• Children with RSA were more likely to use NIV and had less REM sleep during VS.

Conclusions:

• Long-term VS effectively improves SDB symptoms and respiratory function in children.
• A significant proportion of children on VS experience residual sleepiness and asthenia (RSA).
• Close monitoring during follow-up is essential for children with SDB on VS to manage persistent symptoms.