结论合理降压治疗可部分提高不同病理阶段老年高血压患者脑血管对二氧化碳的反应性，改善其脑血管储备功能。
Conclusion the cerebrovascular reactivity to CO_2 or the cerebral circulation reserve in senile hypertensive patients may be improved effectively by reasonable antihypertensive therapy.
目的：了解不同程度高血压对脑血管血流储备功能的损害。
Objective: To investigate the effects of different levels of hypertension on cerebrovascular reserve capacity damage.
目的：了解不同程度高血压对脑血管血流储备功能的损害。
Objective: To investigate the effects of different levels of hypertension on cerebrovascular reserve capacity damage.
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