Obstructive Sleep Apnea (OSA): Differences Between Normal-Weight, Overweight, Obese and Morbidly Obese Children

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dc.contributor.otherJohnson, Romaineen
dc.contributor.otherMitchell, Ronen
dc.creatorScott, Brianen
dc.date.accessioned2015-02-18T15:30:56Z
dc.date.available2015-02-18T15:30:56Z
dc.date.issued2015-01-26
dc.descriptionThe 53rd Annual Medical Student Research Forum at UT Southwestern Medical Center (Monday, January 26, 2015, 2-5 p.m., D1.602)en
dc.description.abstractThe severity of obstructive sleep apnea (OSA) in children determines perioperative management and is an indication for postoperative polysomnography (PSG). There is a paucity of data on differences and predictors of OSA severity in children in different weight categories. The primary objective was to compare demographic, clinical and polysomnography parameters in normal-weight, overweight, obese and morbidly obese children and to identify factors that are associated with OSA severity. Healthy children aged 2-18 who underwent polysomnography at an academic children's hospital were included in the study. Demographics, clinical findings, and polysomnogram parameters were recorded. Children were categorized as normal-weight, overweight, obese, or morbidly obese based on CDC criteria. Differences were assessed with linear and logistical regression models. Significance was set at p<0.05. 290 children were included. Morbidly obese were older than normal-weight children (mean 8.0±0.5 versus 5.8±0.3; p<0.001) but less likely to have a normal PSG (16% versus 48%; p=0.02). There were no differences in gender, ethnicity, birth status (term or pre-term), tonsil size or AHI between the different weight categories. Sleep efficiency and %REM were decreased in morbidly obese children (p<0.05). The AHI was positively correlated with increasing BMI z-score as a function of increasing age (p<0.001). There are important differences in children with OSA in different weight categories. OSA severity is correlated with a combination of increasing age and weight but not with either variable independently. This study suggests that obese and morbidly obese older children are most likely to have severe OSA and should undergo routine PSG.en
dc.description.sponsorshipSouthwestern Medical Foundationen
dc.identifier.citationScott, B., Johnson, R., & Mitchell, R., (2015, January 26). Obstructive sleep apnea (OSA): differences between normal-weight, overweight, obese and morbidly obese children. Poster presented at the 53rd Annual Medical Student Research Forum, Dallas, TX. Retrieved from https://hdl.handle.net/2152.5/1541en
dc.identifier.urihttps://hdl.handle.net/2152.5/1541
dc.language.isoenen
dc.relation.ispartofseries53rd Annual Medical Student Research Forumen
dc.subjectClinical Research and Case Reportsen
dc.subject.meshAdolescenten
dc.subject.meshBody Weighten
dc.subject.meshChilden
dc.subject.meshChild, Preschoolen
dc.subject.meshSleep Apnea, Obstructiveen
dc.titleObstructive Sleep Apnea (OSA): Differences Between Normal-Weight, Overweight, Obese and Morbidly Obese Childrenen
dc.typePresentationen

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