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Left ventricular volumes and ejection fraction quantification using an automated three-dimensional adaptive analytic
José J Carvajal-Rivera1, Johanna C López-Quintero1, Cristina González-Menchén2
1Cardiology Department, Hospital Clinico San Carlos, IDISSC, Madrid, Spain.
Echocardiography (Mount Kisco, N.Y.)
|August 29, 2018
Summary
The Heart Model® (HM) is an accurate tool for assessing pediatric cardiac function. This automated echocardiography algorithm shows good agreement with 3D echocardiography for measuring left ventricular volumes and ejection fraction in children over 6.
Area of Science:
- Cardiology
- Medical Imaging
- Pediatric Echocardiography
Background:
- Echocardiography is crucial for diagnosing pediatric heart conditions.
- Accurate measurement of left ventricular function is essential for patient management.
Purpose of the Study:
- To validate the Heart Model® (HM), an automated 3D echocardiography algorithm, in a pediatric population.
- To compare HM measurements of left atrial and ventricular volumes and ejection fraction against conventional 2D and 3D echocardiography.
Main Methods:
- A pilot study included 75 pediatric patients (aged 6-17 years).
- Patients underwent conventional 2D/3D echocardiography and analysis with HM.
- Conventional 3D echocardiography served as the reference standard.
Main Results:
- HM showed good agreement with 3D echocardiography for left ventricular end-diastolic volume (ICC: 0.98), end-systolic volume (ICC: 0.98), and ejection fraction (ICC: 0.87).
- Agreement remained strong when analysis was adjusted for body weight.
- HM agreement with 2D echocardiography was poor.
Conclusions:
- The Heart Model® is a feasible and accurate tool for evaluating cardiac volumes and ejection fraction in children over 6 years old.
- HM offers a reliable automated approach for pediatric echocardiographic analysis.
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