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Abstract #3633

Early Cardiac Involvement Detected by CMR Feature Tracking in Idiopathic Inflammatory Myopathy with Preserved Ejection Fraction

Wangyan Liu1, Yinsu Zhu1, and Yi Xu1
1the first affiliated hospital of Nanjing medical university, Nanjing, China

We applied CMR-FT technique to evaluate LV and LA performance in IIM patients. The main findings were as follow: (1) compared with controls, the damaged LV strain in IIM patients mainly involved global and regional LV PS in longitudinal direction; (2) LA reservoir function and conduit function were impaired in IIM patients; (3) LA volumetric parameters and function parameters showed significant difference between IIM patients and the controls. (4) Combination of global LV longitudinal PS, LAVpre-ac index and Apical LV circumferential PS can improve diagnostic accuracy. Therefore, CMR-FT can help early diagnosis of cardiac involvement of IIM patients.

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