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Related Experiment Video

Updated: May 30, 2026

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

Reference normal absolute and indexed values from ECG-gated MDCT: left atrial volume, function, and diameter.

Jadranka Stojanovska¹, Paul Cronin, Smita Patel

¹Department of Radiology, Division of Cardiothoracic Radiology, University of Michigan Health System, 1500 E Medical Center Dr, UH B1-132 Taubman/Box 0302, Ann Arbor, MI 48109-0302, USA. jstoanov@umich.edu

AJR. American Journal of Roentgenology

|August 25, 2011

Summary

This study establishes normal reference values for left atrial volume, function, and diameter using CT angiography (CTA). These measurements, adjusted for age, sex, and body surface area, are crucial for patient care.

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Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

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Published on: July 20, 2022

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

Area of Science:

Cardiovascular Imaging
Radiology
Cardiac Anatomy

Background:

Left atrial (LA) size and function are vital indicators of cardiovascular health.
Standardized reference values for LA parameters are essential for accurate interpretation of cardiac CT angiography (CTA) datasets.

Purpose of the Study:

To establish CT-based normal reference values for left atrial volume, function, and diameter.
To normalize these parameters by age, sex, and body surface area (BSA).

Main Methods:

Retrospective analysis of 74 subjects undergoing ECG-gated coronary CTA.
Measurement of LA volume (end-diastolic, end-systolic, stroke volume) and function (ejection fraction) using the Simpson method.
General linear model analysis adjusted for age, sex, and BSA.

Main Results:

Established normalized reference ranges for LA volume, function, and diameter in healthy individuals.
Found significant influence of sex and BSA on LA parameters.
No significant difference in LA volume with age after adjustment for sex and BSA.

Conclusions:

CT angiography datasets can provide normalized left atrial volume, function, and diameter.
These normalized values are important for clinical decision-making and patient management.