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Year : 2020  |  Volume : 4  |  Issue : 2  |  Page : 176-183

Left Atrial and Renal Functional Status as Drivers of Adverse Outcome in Heart Failure with Reduced Ejection Fraction: A Four-Chamber Deformation Study in a Small Cohort of Northern Sweden

1 Umeå University, Umeå, Sweden
2 Narayana Institute of Cardiac Sciences, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Samir Kanti Saha
Faculty of Medicine, Umeå University, Umeå 90187
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jiae.jiae_37_20

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In a small cohort of patients (58 ± 12 years) with heart failure and reduced ejection fraction (HFREF), we have analyzed myocardial mechanics in all the four principal cardiac chambers to investigate the prognostic value of left atrial (LA) remodeling. We have also studied to investigate a possible prognostic role of the biochemical markers, such as estimated glomerular filtration rate (eGFR, mL/min/1.73 m2) and N-terminal pro-brain natriuretic peptide (NT-proBNP). We used two-dimensional speckle tracking echocardiography to compute cardiac deformation in addition to measuring LA reservoir strain using two algorithms based on the type of electrocardiogram gating protocol chosen. The data have shown that not only four-chamber strain was significantly lower in HFREF compared with the controls but also LA strain predicted an adverse outcome. In addition, in the subgroup analysis, eGFR was significantly lower in patients with adverse outcome (death or cardiac transplantation). Interestingly, the contribution of the renal biomarker was as significant as NT-proBNP in this regard.

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