Abstract #3134

Feature tracking imaging (FTI) for right ventricular strain assessment in patients with chronic thromboembolic pulmonary hypertension (CTEPH)

Yoshiaki Morita¹, Naoaki Yamada¹, Makoto Amaki², Emi Tateishi², Asuka Yamamoto², Masahiro Higashi¹, and Hiroaki Naito¹

¹Department of Radiology, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan, ²Division of Cardiology, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan

Right ventricular (RV) function has a significant impact on the prognosis of chronic thromboembolic pulmonary hypertension (CTEPH), as it does with other forms of pulmonary arterial hypertension (PH). In this study, we demonstrated that feature tracking imaging (FTI) is fast, simple, and has potential for clinical use for assessing RV strain in CTEPH. The global longitudinal strain (GLS) showed better correlation with the RV ejection fraction (RVEF) and mean pulmonary artery pressure (mPAP). FTI-derived strain measurement might offer a modality for good detection of RV dysfunction and repeatable monitoring after therapeutic intervention.

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