Keywords: Nerves, BrainWe used the eASL technique to explore the mCBF, ATT and CBV alterations after MVD in patients with HFS. And found that the ATT values in the left superior frontal gyrus region 6 and the right precuneus region 1 were significantly increased in the L-HFS group after surgery compared with the preoperative ones. Furthermore, preoperative ATT values in the right precuneus 1 region were negatively correlated with mCBF values in the L-HFS group. It is suggested that these brain regions may play different roles in the underlying pathological mechanisms of HFS.
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