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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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Related Experiment Video

Updated: May 17, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
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High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

Do we always consistently define the clinically important echocardiographic parameters?

Jaroslav Meluzin1, Zdenka Gregorova, Helena Podrouzkova

  • 11st Department of Internal Medicine - Cardioangiology, Faculty of Medicine, Masaryk University Brno, Czech Republic.

Biomedical Papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia
|October 18, 2012
PubMed
Summary

This study highlights inconsistencies in how two important echocardiographic parameters are defined and used in clinical practice. The authors reviewed recent publications and found that definitions for left ventricular mass and relative wall thickness vary across studies. These inconsistencies may lead to misinterpretation of diagnostic data and affect patient care. The study does not propose new formulas but calls for standardized definitions to improve accuracy and reliability in published research and clinical practice.

Keywords:
EchocardiographyCardiologyMedical diagnosticsHeart function assessment

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Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

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Last Updated: May 17, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

Area of Science:

  • Cardiovascular imaging techniques
  • Clinical cardiology
  • Medical diagnostics

Background:

Echocardiography remains a cornerstone in diagnosing and managing heart conditions. Prior research has shown that standardized definitions are essential for reliable data interpretation. However, recent studies have raised concerns about the variability in how certain parameters are reported. No prior work had resolved the issue of inconsistent definitions across clinical studies. This gap motivated a closer examination of how specific echocardiographic measures are defined and applied. That uncertainty drove the need to assess whether these inconsistencies affect clinical outcomes. It was already known that left ventricular mass and relative wall thickness are frequently used in patient evaluations. Yet, the lack of a unified reporting framework remains a challenge in the field. This issue may lead to misinterpretation of results and affect treatment decisions.

Purpose Of The Study:

This study aimed to investigate inconsistencies in the definition of key echocardiographic parameters. The specific problem is the potential for variability in clinical data interpretation due to differing definitions. The motivation comes from the need to ensure accurate and consistent diagnostic practices. The authors propose that standardized definitions are necessary to avoid ambiguity in published data. They suggest that current definitions may lead to confusion among clinicians and researchers. The goal is to raise awareness of these inconsistencies and their possible impact on patient care. This work does not aim to propose new formulas but to highlight existing issues in parameter definitions. The study focuses on two widely used parameters: left ventricular mass and relative wall thickness.

Main Methods:

The researchers conducted a survey of recent publications in major cardiology journals. They examined how left ventricular mass and relative wall thickness were defined in these studies. The analysis included a review of the formulas and criteria used in each paper. The authors compared these definitions to established guidelines and standard formulas. They identified discrepancies in the application of Devereux’s formula for calculating left ventricular mass. The study also noted variations in how relative wall thickness was defined across different sources. No experimental data was collected; the approach was purely a literature-based analysis. The findings are based on a synthesis of definitions from multiple reputable journals.

Main Results:

The strongest finding is the presence of inconsistent definitions for left ventricular mass and relative wall thickness. Some studies used Devereux’s formula, while others applied modified versions or alternative methods. The authors observed that these variations may affect the accuracy of clinical assessments. In some cases, the formulas used were not clearly stated or referenced. The study found that relative wall thickness was defined differently depending on the journal or author. These inconsistencies may lead to misclassification of patients in clinical trials or routine practice. The results suggest that the lack of a unified definition may compromise the reliability of published data. The authors emphasize that these discrepancies could influence treatment decisions and diagnostic accuracy. The findings highlight the need for a standardized approach to defining these parameters.

Conclusions:

The authors conclude that inconsistencies in defining echocardiographic parameters may affect clinical outcomes. They suggest that such variability could lead to misinterpretation of diagnostic data. The study does not propose new formulas but calls for adherence to established definitions. The authors recommend that journals and researchers follow standardized definitions to ensure clarity. They propose that a unified framework for presenting these parameters is desirable. The findings may help improve the accuracy of published data in cardiology. The authors emphasize the importance of precise definitions in clinical and research settings. These conclusions are based on the observed discrepancies in current literature and their potential impact.

The study focuses on left ventricular mass and relative wall thickness, two commonly used parameters in clinical cardiology.

Devereux’s formula is widely used to estimate left ventricular mass from echocardiographic measurements.

Inconsistent definitions may lead to misclassification of patients and affect treatment decisions.

Relative wall thickness helps assess left ventricular geometry and is used to evaluate heart function.

The authors recommend adopting standardized definitions to ensure accurate and consistent reporting.

Yes, inconsistent definitions may compromise the reliability of published data in clinical studies.