Why the study?
Does 2DE-derived RV longitudinal strain correlate with CMR-derived RVEF and strain in patients with pulmonary arterial hypertension?
Does 2DE-derived RV longitudinal strain correlate with CMR-derived RVEF and strain in patients with pulmonary arterial hypertension?
2DE-derived RV longitudinal strain is a good alternative to CMR-derived RVEF in PAH patients, though strain measurements between the two modalities are not yet interchangeable.
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Supports 2DE RV strain as noninvasive correlate to CMR RVEF in PAH; leaves open interchangeability of strain values across modalities.
Freed et al. (2014) studied this question.
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