扩散加权磁共振波谱采集策略优化：门控及循环模式影响

文玉林, 李改英, 武玉朋, 李建奇

Optimization of DW-MRS Acquisition Protocol: The Impact of Gating and Cycling Modes

WEN Yulin, LI Gaiying, WU Yupeng, LI Jianqi

表3 b值内、外循环模式获取的表观扩散系数对比及线性混合效应模型分析结果

Table 3 Comparison of the apparent diffusion coefficient (ADC) obtained using the internal and external b-value cycling methods and results of linear mixed-effects model analysis

ADC/(μm2/ms) P values Internal b-value cycling External b-value cycling tCho LR 0.109 ± 0.014 0.109 ± 0.019 0.826 AP 0.112 ± 0.018 0.104 ± 0.024 0.158 HF 0.097 ± 0.016 0.099 ± 0.021 0.614 mean 0.106 ± 0.011 0.104 ± 0.018 0.601 tCr LR 0.133 ± 0.014 0.134 ± 0.019 0.680 AP 0.117 ± 0.016 0.120 ± 0.020 0.542 HF 0.110 ± 0.011 0.109 ± 0.014 0.749 mean 0.120 ± 0.010 0.121 ± 0.015 0.883 tNAA LR 0.144 ± 0.017 0.143 ± 0.021 0.806 AP 0.121 ± 0.008 0.122 ± 0.013 0.486 HF 0.117 ± 0.014 0.116 ± 0.016 0.637 mean 0.127 ± 0.011 0.127 ± 0.013 0.780