Sunday, January 31, 2021

Pilot study to characterize middle cerebral artery dynamic response to an acute bout of moderate intensity exercise at 3‐ and 6‐months poststroke

What the hell was this research for? It is your doctor's responsibility to get you able to do this moderate exercise.

Pilot study to characterize middle cerebral artery dynamic response to an acute bout of moderate intensity exercise at 3‐ and 6‐months poststroke

Billinger SA, Whitaker AA, Morton A, et al.
Journal of the American Heart Association|January 27, 2021

At 3‐ and 6‐months after stroke, researchers assessed the middle cerebral artery blood velocity (MCAv) dynamic response to an acute bout of exercise in humans. Individuals were categorized according to the MCAv dynamic response to the exercise bout as responder or nonresponder(???) and they investigated if physical activity, aerobic fitness, and exercise mean arterial blood pressure differed between groups. In this analysis, MCAv was evaluated by transcranial Doppler ultrasound during a 90‐second baseline followed by a 6‐minute moderate-intensity exercise bout. A faster time delay, higher amplitude, and reported higher levels of physical activity and aerobic fitness was seen in responders vs nonresponders. An immediate rise in MCAv following exercise onset followed by an immediate decline to near baseline values was seen in the nonresponders, while the responders showed an exponential rise until steady state was reached. It was shown that patients with a greater MCAv response to the exercise stimulus reported statin use and regular participation in exercise.

Read the full article on Journal of the American Heart Association.

 

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