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Automated Quantification of Left Ventricular Function by the Automated Contour Tracking Method by Kenichi Sugioka; Takeshi Hozumi; Toshikazu Yagi; Atsushi Yamamuro; Takashi Akasaka; Kazuhide Takeuchi; Shunichi Homma; Kiyoshi Yoshida; Junichi Yoshikawa is a Medicine article available to read on EtoBox.

What is Automated Quantification of Left Ventricular Function by the Automated Contour Tracking Method about?

__The automated contour tracking (ACT) method has been developed for the automated measurement of area volume using the energy minimization method without tracing a region of interest. The purpose of this study was to compare the ACT method and left ventriculography (LVG) for the measurement of left ventricular (LV) function in the clinical setting. An apical four‐chamber view was visualized by two‐dimensional echocardiography and recorded for off‐line analysis in 14 patients with high‐quality images who underwent LVG. The ACT method automatically traces the endocardial border from the recorded images and calculates LV volumes (end‐diastole and end‐systole) and ejection fraction (EF). Both ACT and LVG were compared by linear regression analysis for the measurement of EF. EF determined by the ACT method agreed well with that by LVG (__ __r = 0.96, y = 0.94x + 4.6__ __, standard error of the estimate = 3.9%). The mean difference between the ACT and LVG was –__ __1.4%± 7.3%.__ __In conclusion, the ACT method is reliable for noninvasive estimation of EF in high‐quality images. This suggests that this new technique may be useful in the automated quantification of LV function. (ECHOCARDI

Who reads Automated Quantification of Left Ventricular Function by the Automated Contour Tracking Method?

Author

Kenichi Sugioka; Takeshi Hozumi; Toshikazu Yagi; Atsushi Yamamuro; Takashi Akasaka; Kazuhide Takeuchi; Shunichi Homma; Kiyoshi Yoshida; Junichi Yoshikawa

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0742-2822)

Published

2003

Language

EN

Field

Medicine (Health Sciences)