Urinary Leukotriene E4 Levels in Children With Obstructive Sleep Apnea

Investigate urinary leukotriene E4 levels and determine if there is a correlation with severity of obstructive sleep apnea. The investigators then would like to determine a threshold level which could then be used for confirmation of diagnosis of obstructive sleep apnea (OSA).

date/time interval

  • February 1, 2014 - December 1, 2016