Obstructive Sleep Apnea Syndrome
More Insights on Structural and Functional Cardiac Alterations, and the Effects of Treatment With Continuous Positive Airway Pressure
Bharati Shivalkar, MD, PhD*,
Caroline Van De Heyning, BSc,
Mieke Kerremans, BSc,
Diana Rinkevich, MD,
Johan Verbraecken, MD, PhD,
Wilfried De Backer, MD, PhD and
Christiaan Vrints, MD, PhD
Department of Cardiology and Pulmonary Medicine, University Hospital Antwerp, Antwerp, Belgium.
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Figure 1 (A) Correlation between apnea-hypopnea index (AHI) and interventricular septum thickness (IVS). (B) Correlation between apnea-hypopnea index and left ventricle stroke volume (SV). (C) Correlation between apnea-hypopnea index and right ventricular (RV) free wall tissue Doppler systolic velocities (RV Sm).
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Figure 2 (A) Changes in interventricular septum thickness (IVS) before and six months after continuous positive airway pressure treatment. (B) Left ventricular stroke volume before and six months after continuous positive airway pressure treatment. (C) Right ventricular tissue Doppler systolic velocity (RV Sm) before and six months after continuous positive airway pressure treatment.
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