Myocardial Strain by Doppler Echocardiography
Why the study?
Can myocardial strain be accurately measured by Doppler echocardiography compared to sonomicrometry in an animal model?
Population
13 anesthetized dogs
Comparison
Myocardial strain measurement by Doppler… vs Sonomicrometry (reference method)
Design
Preclinical
Authors
Discussion
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Member takes
Implication
Supports Doppler strain feasibility in animals; leaves open human validation before clinical adoption.
Structured PICO
Can myocardial strain be accurately measured by Doppler echocardiography compared to sonomicrometry in an animal model?
P
Population
13 anesthetized dogs
I
Intervention
Myocardial strain measurement by Doppler echocardiography (time integral of regional velocity gradients)
C
Comparator
Sonomicrometry (reference method)
O
Outcome
Correlation between percentage systolic strain by Doppler and strain by sonomicrometrysurrogate
Myocardial strain measured by Doppler echocardiography correlates well with sonomicrometry and represents a potentially powerful method for quantifying regional myocardial function.
Cite This Study
Urheim et al. (2000) studied this question.