Key result
Aerobic exercise in aortic stenosis rats improved functional capacity and reduced oxidative stress, but did not change left ventricular function and induced further myocyte hypertrophy.
Why the study?
The study evaluated the influence of aerobic exercise on cardiac remodelling during the transition from compensated LV hypertrophy to clinical heart failure in aortic stenosis rats.
Does aerobic exercise improve cardiac remodelling in rats with aortic stenosis transitioning to heart failure?
Comparison
Treadmill exercise vs sedentary AS vs Sham
Design
Animal experimental study
Follow-up
8 weeks
Authors
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Exercise does not support remodelling in aortic stenosis models; leaves open functional benefits in translational heart failure research.
Does aerobic exercise improve cardiac remodelling in rats with aortic stenosis transitioning to heart failure?
In a rat model of aortic stenosis, aerobic exercise improves functional capacity and reduces oxidative stress but does not prevent left ventricular dysfunction and exacerbates myocyte hypertrophy.
Reyes et al. (2018) studied Aortic stenosis. Aerobic exercise vs. Sedentary (AS) and Sham rats was evaluated on Cardiac remodelling and left ventricular function. Aerobic exercise in aortic stenosis rats improved functional capacity and reduced oxidative stress, but did not change left ventricular function and induced further myocyte hypertrophy.
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