The 4 advantages of Inward Displacement
As global strain is being adopted more and more to describe global LV function, what about regional function? In order to assess regional dysfunction in a more intuitive manner, we have introduced “Inward Displacement”.
InwD presents 4 advantages:
– Tracking of the endocardial structure, which is well represented in images, is more accurate than of the internal myocardial features.
– Direct measurement of displacements is more intuitive than the assessments of differential myocardial motion needed for strain.
– Regional InwD values effectively describe the segmental contribution to contraction, while longitudinal strain represents deformation along segments.
– Segmental InwD is less influenced by neighboring segments or basal plane motion
In general, Regional InwD results are more in line with visual observation.
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