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Year : 2021  |  Volume : 31  |  Issue : 3  |  Page : 125-130

Left atrial ejection force as a marker for the diagnosis of heart failure with preserved ejection fraction

Department of Cardiology, Ain Shams University, Cairo, Egypt

Correspondence Address:
Ahmed Mohamed El Missiri
Department of Cardiology, Ain Shams University, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcecho.jcecho_142_20

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Introduction: Several echocardiographic techniques are used to diagnose heart failure with preserved ejection fraction (HFPEF). Left atrial ejection force (LAEF) is a measure of left atrial (LA) systolic function. The aim of this study was to examine the use of LAEF as a measure for the diagnosis of HFPEF. Methods: A prospective study including 100 patients with HFPEF and 100 healthy controls. Heart failure association algorithm score for the diagnosis of HFPEF (HFA–PEFF score) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) were assessed. Transthoracic echocardiography measured indexed left ventricular mass index (LVMI), left ventricular (LV) ejection fraction, LA volume index (LAVI), global longitudinal strain (GLS), trans-mitral Doppler velocities, E/A ratio, E/e' ratio, and estimation of LAEF. Results: Patients in the HFPEF group were more frequently hypertensive, diabetic, and had a history of ischemic heart disease. NT-pro-BNP was higher in the HFPEF group (P < 0.0001). LVMI, relative wall thickness, and LAVI were all significantly higher in the HFpEF group (P < 0.0001 for all). LV-GLS was significantly lower in the HFPEF (P < 0.0001). LAEF was significantly higher in the study group 142.14 ± 24.27 versus 92.18% ±13.99% (P < 0.0001). A sub-group of 18 patients in the study group with a borderline HFA-PEF score of 4 had a LAEF that was significantly higher than the control group (P < 0.0001) but did not differ from the rest of the HFPEFF group patients. Conclusion: LAEF was significantly higher in patients with HFPEF compared to healthy controls. Patients with a borderline HFA-PEFF score of 4 had a significantly higher LAEF as compared to controls.

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