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Acute Mental Stress Has a Prolonged Unfavorable Effect on Arterial Stiffness and Wave Reflections

Charalambos Vlachopoulos, MD, Foteini Kosmopoulou, RN, Nikolaos Alexopoulos, MD, Nikolaos Ioakeimidis, MD, Gerasimos Siasos, MD and Christodoulos Stefanadis, MD

From the Department of Cardiology, Athens Medical School, Hippokration Hospital, Athens, Greece.


Figure 19
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  		Figure 1. Peripheral (radial) and central (aortic) systolic and pulse pressure response during the mental stress study. Each line represents response defined as net mental stress effect minus sham procedure effect at each time point. p Values refer to the response of mental stress compared with sham procedure during the whole study duration. * p < .05 When only the peak effect is compared with baseline. Error bars: SEM.

 

Figure 29
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  		Figure 2. Pulse wave velocity and augmentation index response during the mental stress study. Each line represents response-defined net mental stress effect minus sham procedure effect at each time point. p Values refer to the response of mental stress compared to sham procedure during the whole study duration. Error bars: SEM.

 

Figure 39
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  		Figure 3. Peripheral (radial) tonometric and derived central (aortic) pressure recordings from a subject during the mental stress study at baseline and immediately after the end of mental stress test. After the mental stress test, peripheral and central pressures increased significantly, and so did the augmentation index (from 14% to 23%), indicating increased wave reflections from the periphery. AIx = augmentation index.

 




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