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Related Experiment Video

Updated: Jul 13, 2026

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Three methods for evaluation of left atrial volume.

Panupong Jiamsripong¹, Tadaaki Honda, Christina S Reuss

¹Division of Cardiovascular Diseases, Mayo Clinic, 13400 East Shea Boulevard, Scottsdale, AZ 85259, USA.

European Journal of Echocardiography : the Journal of the Working Group on Echocardiography of the European Society of Cardiology

|July 31, 2007

Summary

Three echocardiographic methods for measuring left atrial (LA) volume show significant differences. The prolate ellipse method yields smaller volumes than area length or Simpson methods, necessitating measurement standardization.

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Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

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Published on: October 28, 2020

Area of Science:

Cardiology
Medical Imaging
Echocardiography

Background:

Left atrial (LA) volume is a critical indicator in cardiovascular assessment.
Accurate LA volume measurement is essential for diagnosing and managing various heart conditions.
Standardization of echocardiographic techniques is crucial for reliable clinical interpretation.

Purpose of the Study:

To compare and contrast three distinct echocardiographic methods for quantifying left atrial volume.
Evaluate the biplane area-length (AL), biplane modified Simpson (SIMP), and prolate ellipse (PE) techniques.
Identify discrepancies in LA volume measurements across these common methods.

Main Methods:

Retrospective review of 102 resting transthoracic echocardiograms.
Re-examination of echocardiograms to measure LA volume using AL, SIMP, and PE methods.
Statistical analysis to compare mean LA volumes obtained by each method.

Main Results:

Significant differences in mean LA volume measurements were observed among the AL, SIMP, and PE methods.
The PE method consistently produced smaller LA volume values compared to AL and SIMP (P < 0.001).
The SIMP method yielded slightly smaller values than the AL method across all LA volumes.

Conclusions:

Commonly employed echocardiographic methods for LA volume measurement exhibit significant variability.
The observed differences in LA volume measurements underscore the need for standardization.
Standardizing LA volume measurement techniques is recommended to improve diagnostic accuracy and clinical consistency.