Key result
Periodic breathing significantly increased the magnitude of systolic blood pressure oscillations (up to 25±7 vs 14±5 mm Hg; p<0.005) and heart rate oscillations compared to regular breathing.
Why the study?
Do periodic alterations in ventilation alone promote oscillations in blood pressure and heart rate in healthy subjects?
Do periodic alterations in ventilation alone promote oscillations in blood pressure and heart rate in healthy subjects?
p-value: p=<0.005
Periodic alterations in ventilation alone can amplify and entrain oscillations in blood pressure and heart rate, independent of hypoxia or sleep arousals.
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Ventilation patterns alone may drive cardiovascular oscillations independent of hypoxia; challenges the traditional belief that.
Lorenzi‐Filho et al. (1999) studied Healthy (n=7). Periodic breathing vs. Regular breathing was evaluated on Magnitudes of systolic blood pressure and heart rate oscillations (p=<0.005). Periodic breathing significantly increased the magnitude of systolic blood pressure oscillations (up to 25±7 vs 14±5 mm Hg; p<0.005) and heart rate oscillations compared to regular breathing.
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