1. Postoperative Complications in Obesity Hypoventilation Syndrome and Hypercapnic OSA 
Jessica Cooksey, MD, Babak Mokhlesi, MD, FCCP 
CHEST 
Volume 149, Issue 1, Pages (January 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
A-C, Excerpts of hypnograms of three patients with similar severity of OSA based on the AHI but significantly different profiles of intermittent and sustained hypoxemia during sleep. AHI = apnea-hypopnea index; ODI = oxygen desaturation index; T90 = time during a sleep study with oxygen saturation < 90%.
CHEST  , 11-13DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions