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Computational analysis of the effect of valvular regurgitation on ventricular mechanics using a 3D electromechanics model
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Feb 03 2015
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Source: J Physiol Sci. 65(2):159-164.
[PDF-1.31 MB]
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Alternative Title:J Physiol Sci
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Description:Using a three-dimensional electromechanical model of the canine ventricles with dyssynchronous heart failure, we investigated the relationship between severity of valve regurgitation and ventricular mechanical responses. The results demonstrated that end-systolic tension in the septum and left ventricular free wall was significantly lower under the condition of mitral regurgitation (MR) than under aortic regurgitation (AR). Stroke work in AR was higher than that in MR. On the other hand, the difference in stroke volume between the two conditions was not significant, indicating that AR may cause worse pumping efficiency than MR in terms of consumed energy and performed work.
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Pubmed ID:25644379
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Pubmed Central ID:PMC4816651
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Volume:65
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Issue:2
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