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Accuracy and reproducibility of semi-automated late gadolinium enhancement quantification techniques in patients with hypertrophic cardiomyopathy

机译:半自动晚期late增强定量技术在肥厚型心肌病患者中的准确性和可重复性

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摘要

BackgroundThe presence and extent of late gadolinium enhancement (LGE) has been associated with adverse events in patients with hypertrophic cardiomyopathy (HCM). Signal intensity (SI) threshold techniques are routinely employed for quantification; Full-Width at Half-Maximum (FWHM) techniques are suggested to provide greater reproducibility than Signal Threshold versus Reference Mean (STRM) techniques, however the accuracy of these approaches versus the manual assignment of optimal SI thresholds has not been studied. In this study, we compared all known semi-automated LGE quantification techniques for accuracy and reproducibility among patients with HCM.
机译:背景晚期g增强(LGE)的存在和程度与肥厚型心肌病(HCM)患者的不良事件相关。通常采用信号强度(SI)阈值技术进行定量分析;建议将半峰全宽(FWHM)技术提供的重现性高于信号阈值与参考均值(STRM)技术,但是这些方法相对于手动方法的准确性尚未研究最佳SI阈值的分配。在这项研究中,我们比较了所有已知的半自动LGE定量技术在HCM患者中的准确性和可重复性。

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