PMC2892704_01
Respiratory analysis of a patient before (a) and after (b) aortic valve replacement. (a) Typical breathing in CSA without respiration efforts (nasal airflow, abdominal and thoracic breathing efforts, oxygen saturation, and heart rate are shown), (b) Only mild undulating nocturnal respiration.
CRM2010-952634.001.jpg
PMC2892704_01_CRM2010-952634.001.jpg
fig1
P < .05) (Figure 1).