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Review
. 2021 Dec;38(12):2077-2082.
doi: 10.1111/echo.15259. Epub 2021 Nov 24.

Left atrial strain: A novel "biomarker" for chronic kidney disease patients?

Ana Tanasa  1   2 , Laura Tapoi  1   2 , Carina Ureche  1   2 , Radu Sascau  1   2 , Cristian Statescu  1   2 , Adrian Covic  2   3
Affiliations
Review

Left atrial strain: A novel "biomarker" for chronic kidney disease patients?

Ana Tanasa et al. Echocardiography. 2021 Dec.

Abstract

Cardiovascular disease and chronic kidney disease are frequently inter-connected and this association leads to an exponential growth of cardiovascular risk. This risk is currently underestimated by the existing algorithms and there is a constant need for new markers to predict adverse outcomes in this special population. In general population left atrial strain has emerged as an important tool for both the diagnosis and prognostic stratification, but data regarding its role in chronic kidney disease patients is scarce. The purpose of this review is to summarize the current evidence regarding this matter. Left atrial size and function mirror the duration and severity of increased left ventricular filling pressures. Increased left atrial volume index and impaired left atrial strain parameters are independent predictors for adverse cardiovascular events. Left atrial strain is impaired before changes in volume appear, thus being able to predict both diastolic and systolic function in chronic kidney disease patients. Finally, left atrial strain can identify renal patients with impaired exercise capacity and this could have clinical applications in the rehabilitation of this patients.

Keywords: chronic kidney disease; left atrial strain; left atrial volume.

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References

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