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This research aims to calculate three-dimensional strains in the myocardium using biplanar tagged MR images for better cardiac disease evaluation.

Calculation of three‐dimensional left ventricular strains from biplanar tagged MR images

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This research aims to calculate three-dimensional strains in the myocardium using biplanar tagged MR images for better cardiac disease evaluation.
Utilized an iterative material point-tracking algorithm to analyze tagged MR images during systole.
Tested the algorithm with mathematical models of the heart in various geometries experiencing deformations.
Compared the accuracy of 3D strain measurements to traditional 2D estimates derived from fixed image planes.
Corrected radial strains at the left ventricular base were approximately 2.5 times higher than 2D estimates.
Errors from point-tracking interpolation were negligible compared to those from marker identification.
The study provides evidence that accurate, time-resolved 3D strains can be derived from the method employed.

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Randomized trial measures 3D strains in the myocardium, indicating improved cardiac evaluation techniques.

Moore et al. (1992) studied this question.

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