1. Volume 134, Issue 6, Pages 1162-1168 (December 2008)
Cardiac Effects of Continuous and Bilevel Positive Airway Pressure for Patients With Heart Failure and Obstructive Sleep Apnea 
Rami N. Khayat, MD, FCCP, William T. Abraham, MD, Brian Patt, BS, Monica Roy, MPH, Keding Hua, MS, David Jarjoura, PhD 
CHEST 
Volume 134, Issue 6, Pages (December 2008)
DOI: /chest
Copyright © 2008 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Change in LVEF with treatment in both groups; individual plot of LVEF change with each treatment modality. Left panel: CPAP group. Right panel: bilevel PAP group. One patient is missing a final LVEF measurement in the CPAP group. Means of LVEF at pretreatment and 3 months for each group are given.
CHEST  , DOI: ( /chest )
Copyright © 2008 The American College of Chest Physicians Terms and Conditions