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异常校正对图像质量和室内量化 transthoracic 心脏回声学中的影响

Erik Andreas Rye Berg^1,2, Torvald Espeland^1,2, Håvard Dalen^1,2

¹Department of Circulation and Medical Imaging, Faculty of Medicine and Health Science, Norwegian University of Science and Technology, Prinsesse Kristinas gate 3, Trondheim 7030, Norway.

European heart journal. Imaging methods and practice

|February 26, 2025

概括

在心声回声学中,偏差校正 (AC) 提高了图像质量 (IQ) 并与全球图像连贯性 (GIC) 相对应. AC增强可视化,但不会显著改变左心室或左心房大小和应变的测量.

科学领域:

心血管成像 - 心血管成像
医学超声波技术医学超声波技术
图像处理在心声成像中的图像处理.

背景情况:

心声图像质量 (IQ) 对于准确的诊断至关重要.
在商业扫描仪中出现了异常校正 (AC) 算法,以提高智商.
需要对IQ评估的客观指标来补充主观评分.

研究的目的:

评估主观智商分数与客观全球图像连贯性 (GIC) 之间的相关性.
为了确定AC是否能改善心声回应图的智商.
评估AC对心脏结构的定量测量和观察者间协议的影响.

主要方法:

从50名患者获得未经处理的心声回声数据.
处理了有AC和没有AC的数据,产生了300个cine-loops.
两个失明的专家评价者主观地得分智商和量化左心室 (LV) 和左心房 (LA) 参数.

主要成果:

主观智商得分与GIC有很强的相关性 (斯皮尔曼rho=0.72,P<0.001).
AC显著改善了IQ中位数 (从2.5到3.0,P<0.001).
AC并没有导致平均LV/LA测量或观察者间一致的统计学意义上的变化.

结论:

主观智商评估和GIC之间存在强烈的相关性.
AC有效地提高了心声回声图像的质量.
虽然AC可以改善可视化,但它对定量心脏测量及其可靠性的影响很小.

关键词:

偏差纠正偏差纠正室内量化量化室内量化图像的一致性图像的一致性图像质量图像质量图像质量可复制性的可复制性跨胸腔心脏回声学 (Transthoracic Echocardiography) 是一种心脏回声学.

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