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Updated: Jan 26, 2026
Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
Published on: October 28, 2020
Left Atrial Structure and Function, and Left Ventricular Diastolic Dysfunction: JACC State-of-the-Art Review
Liza Thomas1, Thomas H Marwick2, Bogdan A Popescu3
1University of Sydney, Sydney, NSW, Australia; Department of Cardiology Westmead Hospital; South West Clinical School, University of New South Wales, Sydney, NSW, Australia.
Insights
Left atrial function is crucial for diagnosing diastolic dysfunction and heart failure. New metrics offer better insights than volume alone, aiding early detection and treatment monitoring.
Area of Science:
- Cardiology
- Echocardiography
- Heart Failure Research
Background:
- Left atrial (LA) function is increasingly recognized as vital for assessing left ventricular (LV) diastolic dysfunction (LVDD) and heart failure with preserved ejection fraction (HFpEF).
- Current echocardiographic methods for LVDD diagnosis, while simplified, have limitations, leaving LVDD presence and severity undetermined in many patients.
- Maximum LA volume (LAV) is a surrogate for LVDD chronicity but insensitive to early stages, as LA remodeling takes time.
Purpose of the Study:
- To critically review existing evidence on the utility of LA metrics in evaluating LVDD.
- To assess the role of LA function in diagnosing and grading HFpEF.
- To explore the potential of LA functional changes in monitoring treatment efficacy for LVDD and HFpEF.
Main Methods:
- Review of current literature and echocardiographic guidelines on LVDD and HFpEF assessment.
- Analysis of the limitations of standard echocardiographic parameters (transmitral flow, tissue velocity, LAV, estimated pulmonary artery systolic pressure).
- Evaluation of the emerging role of LA functional parameters beyond volumetric assessment.
Main Results:
- LA functional changes are detectable early in LVDD due to the LA's role in modulating LV filling.
- LA function provides additive value in diagnosing LVDD and grading its severity.
- LA metrics may be essential for monitoring therapeutic responses in LVDD and HFpEF.
Conclusions:
- Standard echocardiographic assessments for LVDD and HFpEF have significant limitations.
- LA function offers a more sensitive biomarker for early LVDD detection and severity grading than LAV alone.
- Comprehensive assessment of LA function is crucial for accurate diagnosis and management of LVDD and HFpEF.
Abstract:
Defining left atrial (LA) function has recently emerged as a powerful parameter, particularly in evaluation of left ventricular (LV) diastolic dysfunction (LVDD) and heart failure with preserved ejection fraction. Echocardiographic assessment of LVDD by echocardiography remains a challenging task; recent recommendations provide a simpler approach than previous. However, the shortcomings of the proposed approach (including transmitral flow, tissue velocity, maximum left atrial volume [LAV], and estimated pulmonary artery systolic pressure), lead to the presence and severity of LVDD remaining undetermined in a significant proportion of patients. Maximum LAV is a surrogate measure of the chronicity and severity of LVDD, but LAV alone is an insensitive biomarker of early phases of LVDD, because the LA may take time to remodel. Because the primary function of the LA is to modulate LV filling, it is not surprising that functional LA changes become evident at the earliest stages of LVDD. Moreover, LA function may provide additive value, not only in diagnosing LVDD, but also in grading its severity and in monitoring the effects of treatment. The current review provides a critical appraisal on the existing evidence for the role of LA metrics in evaluation of LVDD and consequent heart failure with preserved ejection fraction.
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