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1 辐射冠区域不同门控条件下的表观扩散系数对比及线性混合效应模型分析结果
|
Table 1 Comparison of apparent diffusion coefficient (ADC) obtained under different gating conditions and results of linear mixed-effects model analysis in the corona radiata
|
|
| ADC/(μm2/ms) | P12 | P13 | P23 | | Cardiac gating | Respiratory gating | No gating | | tCho | LR | 0.144 ± 0.043 | 0.147 ± 0.017 | 0.164 ± 0.030 | 0.850 | 0.287 | 0.377 | | AP | 0.116 ± 0.030 | 0.118 ± 0.026 | 0.135 ± 0.016 | 0.842 | 0.073 | 0.105 | | HF | 0.134 ± 0.013 | 0.152 ± 0.027 | 0.178 ± 0.036 | 0.193 | 0.005** | 0.077 | | mean | 0.131 ± 0.023 | 0.139 ± 0.018 | 0.159 ± 0.025 | 0.477 | 0.023* | 0.091 | | tCr | LR | 0.166 ± 0.045 | 0.191 ± 0.023 | 0.193 ± 0.034 | 0.151 | 0.204 | 0.858 | | AP | 0.141 ± 0.026 | 0.167 ± 0.024 | 0.170 ± 0.020 | 0.072 | 0.049* | 0.839 | | HF | 0.162 ± 0.018 | 0.185 ± 0.015 | 0.195 ± 0.026 | 0.059 | 0.012* | 0.428 | | mean | 0.156 ± 0.025 | 0.181 ± 0.012 | 0.186 ± 0.024 | 0.044* | 0.028* | 0.817 | | tNAA | LR | 0.171 ± 0.041 | 0.186 ± 0.017 | 0.200 ± 0.038 | 0.432 | 0.125 | 0.427 | | AP | 0.161 ± 0.020 | 0.179 ± 0.027 | 0.182 ± 0.023 | 0.076 | 0.046* | 0.794 | | HF | 0.153 ± 0.020 | 0.171 ± 0.016 | 0.193 ± 0.027 | 0.054 | <0.001*** | 0.016* | | mean | 0.162 ± 0.018 | 0.178 ± 0.013 | 0.192 ± 0.022 | 0.081 | 0.004** | 0.157 |
|
|
|