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Updated: May 7, 2026

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Published on: December 6, 2016
Obstructive sleep apnea in infancy: a 7-year experience at a pediatric sleep center
Sriram Ramgopal1, Sanjeev V Kothare, Mandeep Rana
1Department of Neurology, Children's Hospital Boston, Harvard Medical School, Boston, Massachusetts.
Insights
Polysomnography (PSG) is a valuable tool for diagnosing obstructive sleep apnea (OSA) in infants, revealing common indications like snoring and comorbidities such as reflux. Interventions often lead to symptom resolution, highlighting the importance of early diagnosis and treatment.
Area of Science:
- Pediatric Sleep Medicine
- Neonatology
- Respiratory Medicine
Background:
- Obstructive sleep apnea (OSA) in infants presents unique challenges compared to older children.
- Understanding the specific indications, comorbidities, and outcomes of infant OSA is crucial for effective management.
Purpose of the Study:
- To investigate the common reasons for polysomnography (PSG) in infants with suspected obstructive sleep apnea (OSA).
- To identify associated comorbidities, evaluation strategies, treatment options, and outcomes in infants diagnosed with OSA via PSG.
Main Methods:
- A retrospective chart review was conducted over a 7-year period.
- Infants diagnosed with OSA (Apnea-Hypopnea Index ≥ 1/hr) by PSG were included.
Main Results:
- 97 infants were diagnosed with OSA; common indications included excessive snoring (53%) and nocturnal desaturations (24%).
- Frequent comorbidities were gastro-esophageal reflux (30%), laryngomalacia (24%), and genetic abnormalities (53%, including Trisomy 21).
- Interventions, including surgery (36%) and oxygen therapy (15%), led to symptom resolution in a majority of followed patients.
Conclusions:
- Infant OSA etiologies differ from those in older children.
- PSG is a feasible and valuable diagnostic tool for infant OSA, guiding timely interventions.
- Medical and/or surgical interventions resulted in clinical improvement and resolution of PSG parameters, though long-term neurocognitive outcomes require further study.
Purpose:
To investigate the common indications for polysomnogram (PSG) associated co-morbid conditions, evaluation strategies, treatment options, and outcomes in a series of infants diagnosed with obstructive sleep apnea (OSA) by a PSG.
Methods:
Retrospective chart review of infants who underwent PSG over a 7-year period was done. Infants with PSG diagnosed OSA were included in this study.
Results:
A total of 97 infants (59 males, mean age 4.6 months, standard deviation 3.3 months) were diagnosed with OSA (AHI ≥ 1/hr) based on PSG. The most common indication for PSG in infants were excessive snoring (53%) followed by nocturnal desaturations (24%). Associated co-morbid conditions included gastro-esophageal reflux (30%), laryngomalacia (24%), and craniofacial abnormalities (16%). Genetic abnormalities were found in 53%, of which trisomy 21 was the most common. Surgical treatments were employed in 36% and oxygen therapy in 15%. Thirty-eight patients were followed up with a repeat sleep study after a median interval of 8 months (range 1-24 months), of whom 26/38 had resolution of symptoms. Twenty-seven patients (28%) were followed clinically after a mean interval of 5 months of intervention (range, 1-34.5 months), in whom the symptoms resolved in 23/27 patients. Seven patients were deceased at review. Causes of death included status epilepticus, respiratory failure, hepatic failure, kidney failure, or unknown causes.
Conclusion:
The etiologies of OSA in infants are different when compared to older children. PSG is feasible and a valuable tool in the diagnosis of OSA in infants and may help determine timely and appropriate evaluation and interventions. Clinical improvement in symptoms and resolution of PSG parameters were noted following medical and/or surgical interventions. Prospective studies need to be done to ascertain the long-term outcome of infants diagnosed with OSA to assess the benefits of early intervention on their neurocognitive development.
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