结论有症状单侧颈动脉重度狭窄患者狭窄侧脑血管储备能力明显受损，CAS后显著改善。
Conclusion the significantly impaired cerebrovascular reserve capacity on the stenotic side in symptomatic patients with unilateral high-grade carotid stenosis was significantly improved after CAS.
测定血管运动反应性(VMR)观察脑血管储备能力及SPECT观察脑局部血流灌注的情况。
Vascular motor reactivity (VMR) was used for investigating the cerebrovascular reserve capacity and SPECT was used for investigating he region cerebral blood flow (rCBF).
目的探讨有症状单侧颈动脉重度狭窄患者血管内支架成形术（CAS）前后脑血管储备能力的变化。
Objective To explore the changes of cerebrovascular reserve capacity in patients with symptomatic unilateral high-grade carotid stenosis before and after angioplasty and stenting(CAS).
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