The utility of preoperative echocardiography in pediatric obstructive sleep apnea

ConclusionPreoperative echocardiogram abnormalities are not commonly found in children with OSA and presence of abnormalities does not predict postoperative adverse events. O2 saturation nadir measured on preoperative PSG is a significant predictor of postoperative adverse events and should be examined as a clinical indicator of OSA severity.
Source: Sleep and Breathing - Category: Respiratory Medicine Source Type: research