Related Experiment Video
Updated: Jun 2, 2026
07:41
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Left atrial volume by real-time three-dimensional echocardiography: validation by 64-slice multidetector computed
Yoko Miyasaka1, Satoshi Tsujimoto, Hirofumi Maeba
1Cardiovascular Division, Department of Medicine II, Kansai Medical University, 2-3-1 Shin-machi, Hirakata, Japan. miyasaka@hirakata.kmu.ac.jp
Summary
Three-dimensional echocardiography accurately measures left atrial (LA) volume, closely matching CT scans. This noninvasive method is feasible for evaluating LA size, a key factor in cardiovascular health.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Left atrial (LA) enlargement is a significant predictor of cardiovascular disease.
- Accurate assessment of LA volume is crucial for risk stratification.
Purpose of the Study:
- To compare the accuracy of 2D and 3D echocardiography for determining LA volume against MDCT.
- To assess the feasibility of 3D echocardiography for noninvasive LA volume evaluation.
Main Methods:
- Prospective evaluation of 57 patients undergoing both echocardiography and 64-slice MDCT.
- Comparison of LA volume measurements between 2D/3D echocardiography and MDCT (reference standard).
Main Results:
- 3D echocardiography showed high correlation with MDCT (r=0.95) with 8% underestimation.
- 2D echocardiography demonstrated lower correlation (r=0.86) and 19% underestimation, especially with larger atria.
Conclusions:
- 3D echocardiography provides a feasible, noninvasive method for accurate LA volume assessment.
- 3D echocardiography is a reliable alternative to MDCT for evaluating LA size.
