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January 1, 2019Journal of Cardiovascular Echography3 citationsOpen Access

Left Atrial Fractional Shortening: A Simple and Practical “Strain” for Everyone

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Why the study?

Does left atrial fractional shortening (LAFS) correlate with peak atrial longitudinal strain (PALS) and left atrial emptying fraction in patients undergoing transthoracic echocardiography?

Population

153 consecutive patients undergoing transthoracic echocardiography with an acoustic window and informed…

Comparison

Left atrial fractional shortening calculated as/… vs Peak atrial longitudinal strain and left atrial…

Design

Cross-sectional

Key result

Left atrial fractional shortening (LAFS) correlated with peak atrial longitudinal strain (PALS) (P<0.05) and can serve as a surrogate using the formula PALS = 21.07 + 0.364x(LAFS).

Authors

GMGiuliaElena MandoliMCMatteo CameliELEdoardo Lisi

Discussion

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Overview

LAFS may enable PALS estimation without speckle tracking; leaves open prospective validation before clinical adoption.

Study Design

Type

Observational (n=153)

Multicenter

No

Structured PICO

Does left atrial fractional shortening (LAFS) correlate with peak atrial longitudinal strain (PALS) and left atrial emptying fraction in patients undergoing transthoracic echocardiography?

P
Population
153 consecutive patients undergoing transthoracic echocardiography to assess the feasibility and correlation of left atrial fractional shortening with peak atrial longitudinal strain.
E
Exposure
Left atrial fractional shortening (LAFS) calculated as (maxAPD-minAPD)/(maxAPD) × 100 in parasternal long-axis view
C
Comparator
Peak atrial longitudinal strain (PALS) and left atrial emptying fraction (EF)
O
Outcome
Correlation of LAFS value with peak atrial longitudinal strain (PALS) and LA emptying fraction (EF)surrogate

Left atrial fractional shortening is a simple, feasible echocardiographic measurement that correlates with peak atrial longitudinal strain and can serve as a practical surrogate when speckle-tracking is unavailable.

Main Result

p-value: p=< 0.05

Cite This Study

Mandoli et al. (2019) conducted an observational in Patients undergoing transthoracic echocardiography (n=153). Left atrial fractional shortening (LAFS) vs. Peak atrial longitudinal strain (PALS) was evaluated on Correlation of LAFS with peak atrial longitudinal strain (PALS) and LA emptying fraction (EF) (p=< 0.05). Left atrial fractional shortening (LAFS) correlated with peak atrial longitudinal strain (PALS) (P<0.05) and can serve as a surrogate using the formula PALS = 21.07 + 0.364x(LAFS).

synapsesocial.com/papers/6a2112e9326281f4d7c3b711https://doi.org/10.4103/jcecho.jcecho_74_18
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