Population
8 open-chest adult pigs
Design
Preclinical
Authors
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Validates TDI against sonomicrometry for helical subendocardial strain in animals; leaves open human translation.
The study demonstrates that biphasic isovolumic movements observed with high-resolution tissue Doppler imaging are associated with asynchronous deformation of subendocardial and subepicardial muscle fibers.
Sengupta et al. (2005) studied this question.
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