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Polygraphy in hospitalized pediatric patients: A real-life practice
Daniel Zenteno1,2, Gerardo Torres-Puebla2, Camila Sánchez1
1Universidad de Concepción Facultad de Medicina Departamento de Pediatría Concepción Chile.
Insights
Polygraphy effectively identifies obstructive sleep apnea-hypopnea syndrome in children, especially those with obesity or neuromuscular conditions. Children with Down syndrome face a significantly higher risk, highlighting the need for targeted screening.
Area of Science:
- Pediatric Pulmonology
- Sleep Medicine
- Diagnostic Tools
Background:
- Polysomnography is the gold standard for diagnosing sleep-disordered breathing but is limited in availability.
- Polygraphy offers a more accessible and cost-effective alternative for diagnosing sleep-disordered breathing.
Purpose of the Study:
- To investigate the association between underlying medical conditions and obstructive sleep apnea-hypopnea syndrome (OSAHS) in children.
- To evaluate the utility of polygraphy in identifying OSAHS in a pediatric population.
Main Methods:
- A retrospective cross-sectional study analyzed 407 polygraphy studies of hospitalized children (≥1 year) with suspected sleep-disordered breathing.
- Data collected included demographics, clinical information, and polygraphic variables.
- Logistic regression assessed the relationship between underlying conditions and OSAHS prevalence.
Main Results:
- Obstructive sleep apnea-hypopnea syndrome was prevalent in 56% of analyzed cases, with mild, moderate, and severe classifications.
- Obesity and neuromuscular diseases were strongly associated with OSAHS.
- Children with Down syndrome exhibited a 5.5-fold increased risk of OSAHS compared to those with chronic lung disease.
Conclusions:
- Obstructive sleep apnea-hypopnea syndrome is common in children with obesity and neuromuscular diseases.
- Polygraphy is a viable tool for diagnosing OSAHS in pediatric healthcare settings.
- Targeted screening for OSAHS is crucial in high-risk pediatric groups, including those with Down syndrome.
Introduction:
The gold standard test for diagnosing sleep-disordered breathing is polysomnography; however, its limited availability has led to the emergence of alternatives such as polygraphy, which is more accessible and cost-effective.
Objective:
To analyze the association between underlying conditions and obstructive sleep apnea-hypopnea syndrome in children with suspected sleep-disordered breathing.
Methods:
Retrospective cross-sectional study. Polygraphy studies of hospitalized children aged ≥1 year with suspected sleep-disordered breathing were included. Demographic, clinical, and polygraphic variables were collected. A logistic regression analysis was performed to evaluate the presence of obstructive sleep apnea-hypopnea syndrome according to underlying conditions.
Results:
Of 1,000 polygraphy studies, 407 were analyzed. The median age was 8.2 years (range 4.1-12.2), with 56% male patients. The main diagnoses were neurological impairment (19.4%), neuromuscular diseases (16.0%), upper airway obstruction (15.5%), and chronic lung disease (15.5%). Abnormal polygraphy was found in 56.0% of cases, with obstructive sleep apnea syndrome classified as mild in 63.0%, moderate in 21.0%, and severe in 16.0%, with obesity and neuromuscular diseases being most prominent. Significant differences were found in age (p=0.001) and apnea-hypopnea index (p=0.002) across diagnostic categories. Children with Down syndrome had a 5.5-fold higher risk of obstructive sleep apnea-hypopnea syndrome compared to those with chronic lung disease.
Conclusions:
There was a high prevalence of obstructive sleep apnea-hypopnea syndrome, particularly in children with obesity and neuromuscular diseases. Patients with Down syndrome had a higher risk of obstructive sleep apnea-hypopnea syndrome compared to those with chronic lung disease. Polygraphy is a potentially implementable tool in healthcare centers with similar characteristics.
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