Why the study?
Does exercise alter the mechanical matching of the left ventricle with the arterial system in dogs?
Does exercise alter the mechanical matching of the left ventricle with the arterial system in dogs?
In exercising dogs, the left ventricle maintains near-maximal external work and metabolic energy conversion efficiency for a given preload, as the ratio of arterial to ventricular elastance remains constant.
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Stable Ea/Ees during exercise preserves efficiency in dogs; leaves open translation to human ventricular-arterial coupling.
Hayashida et al. (1992) studied this question.
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