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Respiratory function and sleep in children with myotonic dystrophy type 1
Marie Cheminelle1, Marie-Christine Nougues2, Arnaud Isapof2
1Pediatric Pulmonology Department, Armand Trousseau Hospital, APHP, Sorbonne University, 26, avenue du Docteur Arnold Netter, 75012 Paris, France.
Neuromuscular Disorders : NMD
|February 13, 2023
Summary
Pediatric Myotonic dystrophy type 1 (DM1) patients frequently experience sleep and breathing issues, including sleep apnea and hypoventilation. Early respiratory monitoring is crucial for managing these complex symptoms in children with DM1.
Area of Science:
- Pediatric Pulmonology
- Neuromuscular Disorders
- Sleep Medicine
Background:
- Myotonic dystrophy type 1 (DM1) is a rare neuromuscular disease with poorly documented sleep and respiratory complications in pediatric populations.
- Adult DM1 respiratory and sleep issues are well-characterized, but pediatric data remains limited.
Purpose of the Study:
- To investigate the prevalence and characteristics of sleep and respiratory disorders in children with DM1.
- To provide insights for improved respiratory follow-up and management strategies in pediatric DM1 patients.
Main Methods:
- Retrospective observational study involving 24 children diagnosed with DM1.
- Data collection included pulmonary function tests, nocturnal gas exchange monitoring, and polysomnography.
Main Results:
- 39% of children reported symptoms of sleep-disordered breathing.
- Significant findings included restrictive respiratory patterns (12%), sleep apnea syndrome (42%, predominantly obstructive), and nocturnal alveolar hypoventilation (45%).
- Non-invasive ventilation (NIV) was prescribed to 37.5% of patients, with poor tolerance noted.
Conclusions:
- Pediatric DM1 patients exhibit a high burden of sleep and respiratory disorders, necessitating tailored clinical management.
- Further research is required to elucidate the underlying mechanisms of these disorders in pediatric DM1 and optimize therapeutic interventions.
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