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Echocardiographic multiparameter assessment for patients with heart failure with preserved ejection fraction and atrial fibrillation.
Cardiovascular Journal of Africa 2023 October 5
We aimed to assess the echocardiographic parameters of cardiac structure and function in patients with heart failure with preserved ejection fraction (HFpEF) and atrial fibrillation (AF). Thirty-seven HFpEF patients with AF were selected, while 38 patients with simple HFpEF in the same period were selected as controls. Three-dimensional speckle-tracking echocardiography was performed on both groups and the parameters were compared. The early diastolic longitudinal peak strain rates [early diastolic longitudinal strain rate (LSRE ), early diastolic circumferential strain rate (CSRE ), early diastolic radial strain rate (RSRE ) and early diastolic rotational strain rate (RotRE )], late diastolic longitudinal peak strain rates (LSRA , CSRA , RSRA and RotRA ) and untwisting parameters [untwisting rate during isovolumic relaxation time (UTRIVR ) and early peak untwisting rate (UTRE )] were all negatively correlated with the ratio of early diastolic transmitral velocity to early diastolic mitral annular velocity ( E/E') ( p < 0.01). The cardiac event-free survival rate of the simple HFpEF group (92.11%) was significantly higher than that of the HFpEF + AF group (81.08%) ( p < 0.0001). UTRIVR had a more significant correlation with E/E' ratio than the other indicators and could serve as a sensitive indicator for evaluating the diastolic function of patients with HFpEF + AF.
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