Cardiac resynchronization therapy improves central sleep apnea and Cheyne-Stokes respiration in patients with chronic heart failure
Anil-Martin Sinha, MD, DPhil*,
Erik C. Skobel, MD*,
Ole-Alexander Breithardt, MD*,
Christine Norra, MD ,
Kai U. Markus, MD*,
Christian Breuer, MD*,
Peter Hanrath, MD, FESC, FACC* and
Christoph Stellbrink, MD, FESC*,*
* Department of Cardiology, University Hospital, RWTH, Aachen, Germany
Clinic for Psychiatry and Psychotherapy, University Hospital, RWTH, Aachen, Germany

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Figure 1 Effects of cardiac resynchronization therapy (CRT) on apnea hypopnea index (AHI) in patients with and without central sleep apnea (CSA). The area under the dotted line represents a normal AHI (<5). Squares = mean ± SD of all patients; triangles = mean ± SD of patients with CSA; octagons = mean ± SD of patients without CSA. Stars = p < 0.005 vs. baseline.
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