Evaluation of the Simpson's Method to Determine Left Ventricular Ejection Fraction Using the Transgastric Two-Chamber View.

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Accounts of Chemical Research Pub Date : 2022-09-01 Epub Date: 2022-02-15 DOI:10.1177/10892532211073240
Logan Gray, Fei Chen, Emily G Teeter, Lavinia M Kolarczyk, Alan M Smeltz
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引用次数: 2

Abstract

Introduction Left ventricular chamber size and functional assessment by transesophageal echocardiography can be difficult if visualization is poor in the mid-esophageal views. However, the accuracy of using the Simpson’s method in the transgastric 2-chamber (TG2C) as an alternative approach has not been assessed. Methods The Simpson’s method was performed by 2 independent reviewers using midesophageal 2-chamber (ME2C) and TG2C views. Echocardiographic images were retrieved retrospectively for 49 adult cardiac surgical patients. Results Two-way random effects intraclass correlation coefficients demonstrated no significant interobserver variability. Linear mixed effects models showed no significant differences in ME2C and TG2C measurements with regard to EDV (P=.4407), ESV (P=.5113), or EF (P=.0610). Compared to the ME2C view, the TG2C view had better image quality of the LV walls (image quality score median [interquartile range]: 2.00 [.00] vs 1.00 [1.00]; P<.0001), but worse image quality of the mitral annulus (1.00 [1.00] vs 2.00 [.00]; P<.0001) and LV apex (.00 [1.00] vs 2.00 [1.00]; P<.0001). Conclusions This study suggests the Simpson’s method can be applied to the TG2C view as an alternative to the standard midesophageal method to estimate chamber volumes and EF.
辛普森法测定左心室射血分数的评价。
导读:如果食道中期图像显示不佳,通过经食管超声心动图评估左心室大小和功能可能会很困难。然而,在经胃2室(TG2C)中使用辛普森法作为替代方法的准确性尚未得到评估。方法:辛普森法由2名独立审评员采用食管中2室(ME2C)和TG2C视图。回顾性分析49例成人心脏手术患者的超声心动图。结果:双向随机效应类内相关系数显示观察者间无显著差异。线性混合效应模型显示ME2C和TG2C测量在EDV (P=.4407)、ESV (P=.5113)或EF (P=.0610)方面无显著差异。与ME2C视图相比,TG2C视图具有更好的左室壁图像质量(图像质量评分中位数[四分位数范围]:2.00]。00] vs 1.00 [1.00];结论:本研究表明,辛普森方法可用于TG2C视图,作为标准食管中方法的替代方法,以估计腔容量和EF。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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