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Severity Assessment of Obstructive Sleep Apnea Syndrome (OSAS) in Pediatric Patients

Division of Critical Care Medicine and the Sleep Disorder Center, North Shore-Long Island Jewish Health System, Schneider Children's Hospital, New Hyde Park, New York

Mayer Sagy, MD, FCCP, FCCM

Division of Critical Care Medicine and the Sleep Disorder Center, North Shore-Long Island Jewish Health System, Schneider Children's Hospital, New Hyde Park, New York, msagy{at}lij.edu

Noa Sagy, BS

School of Public Health, George Washington University, Washington, DC

Kevin Bock, MD, FCCM

Division of Critical Care Medicine and the Sleep Disorder Center, North Shore-Long Island Jewish Health System, Schneider Children's Hospital, New Hyde Park, New York

Objective. To assess obstructive sleep apnea syndrome (OSAS) severity among pediatric patients. Design. A retrospective review of charts and polysomnography (PSG) results. Measurements and main results. Apnea—hypopnea index (AHI) and the cumulative duration of sleep while O₂SAT was <91% were determined in 389 patients with OSAS. Patients with AHI ranging <5, 5 to 15, 16 to 30, and >30, had mean lowest observed O₂SAT values of 88% ± 8%, 85% ± 9%, 78% ± 12%, and 69% ± 13%, respectively. The patients spent a mean of 3.5% ± 9.2 % of their sleep time with O₂SAT < 91%. AHI values showed a poor linear correlation with the lowest measured O₂SAT values. Body mass index percentiles showed no significant linear correlation with AHI values or with the lowest measured values of O₂SAT. Conclusion. Values of AHI cannot accurately predict severity of oxyhemoglobin desaturation in pediatric OSAS and vice versa. No significant correlation between body mass index percentiles and severity of OSAS was established.

Key Words: polysomnogram • sleep disorders • obstructive sleep apnea • obesity

This version was published on June 1, 2009

Clinical Pediatrics, Vol. 48, No. 5, 528-533 (2009)
DOI: 10.1177/0009922809332584


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