Spectral editing in (1) H magnetic resonance spectroscopy: Experts' consensus recommendations.

Spectral editing in (1) H magnetic resonance spectroscopy: Experts' consensus recommendations.
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DOI:
10.1002/nbm.4411
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发表时间:
2021-05
期刊:
影响因子:
2.9
通讯作者:
de Graaf RA
de Graaf RA
中科院分区:
医学3区
文献类型:
--
作者:
Choi IY;Andronesi OC;Barker P;Bogner W;Edden RAE;Kaiser LG;Lee P;Marjańska M;Terpstra M;de Graaf RA

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体内光谱编辑 1H-MRS 提供了一种有效的方法来测量由于信号重叠而无法通过传统 MRS 技术可靠测量的低浓度代谢物信号,例如 γ-氨基丁酸 (GABA)、谷胱甘肽 (GSH) 和 D-2-羟基戊二酸 (2HG)。光谱编辑策略利用感兴趣的代谢物内已知的 J 耦合关系来区分它们的共振与叠加的信号。这份共识推荐论文简要概述了常用的同核编辑技术以及数据采集、处理和量化的注意事项。此外,我们还列出了专家对实现充分光谱编辑和可靠量化的最低要求的建议。这些包括选择正确的编辑序列、处理频率漂移、处理不需要的共同编辑共振、编辑光谱的光谱拟合、建立多中心临床试验以及推荐在出版物中报告的序列参数。
Spectral editing in in vivo 1H-MRS provides an effective means to measure low-concentration metabolite signals that cannot be reliably measured by conventional MRS techniques due to signal overlap, e.g., γ-aminobutyric acid (GABA), glutathione (GSH) and D-2-hydroxyglutarate (2HG). Spectral editing strategies utilize known J-coupling relationships within the metabolite of interest to discriminate their resonances from overlying signals. This consensus recommendation paper provides a brief overview of commonly used homo-nuclear editing techniques and considerations for data acquisition, processing, and quantification. Also, we have listed the experts’ recommendations for minimum requirements to achieve adequate spectral editing and reliable quantification. These include selecting the right editing sequence, dealing with frequency drift, handling unwanted co-edited resonances, spectral fitting of edited spectra, setting up multi-center clinical trials, and recommending sequence parameters to be reported in publications.
MRS的运动校正方法:专家的共识建议。
DOI: 10.1002/nbm.4364
发表时间: 2021-05
期刊: NMR in biomedicine
影响因子: 2.9
作者:
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