目的观察脑梗死患者脑血管反应性(CVR)变化，确定两者之间的相关性。
Objective To observe the changes of cerebrovascular reactivity (CVR) in cerebral infarct, and ascertain the correlation between them.
结论不同类型脑损伤脑血流的变化不同，但其脑血管反应性的变化均可评估患者预后。
Conclusion the changes of Cerebral Blood Flow are different in different types of brain injured patients, but the changes of Cerebral Vessels Responsivity could evaluate patients prognosis.
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).
结果提示：高原移居平原者与世居平原者相比，脑血管缺氧性扩张反应较强，而肺血管缺氧性收缩反应较弱。
This study suggests that long term residing at high altitude results in an increase in cerebral vasodilative response and a decrease in pulmonary vasoconstrictive response to acute hypoxia.
评价脑血流自身调节的方法很多，主要包括血压-自动调节和脑血管运动反应性两方面。
Methods to assess cerebrovascular autoregulation are variable, including blood pressure-autoregulation and cerebrovascular motor reactivity.
探讨c -反应蛋白(crp)与急性脑血管的相关性。
The correlation between C-Reactive Protein (CRP) and urgent cerebrovascular disease was discussed.
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.
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.
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