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目的:探讨脑梗死患者记忆减退与快速眼动(REM)睡眠的关系。方法:对40例脑梗死患者进行记忆测定和多导睡眠图通宵描记,分析有关睡眠参数并与22名正常人比较。结果:脑梗死患者睡眠潜伏期长,醒转次数增多,总睡眠时间减少,睡眠效率低,REM时间减少,REM活动度和密度均降低(P<001),其记忆减退与REM减少具有相关性(r=068,P<001)。结论:脑梗死患者不但有睡眠量的减少而且有睡眠质的改变,尤其REM睡眠减少与记忆减退有密切关系。
Objective: To investigate the relationship between memory loss and REM sleep in patients with cerebral infarction. METHODS: Memory measurements and polysomnography were performed in 40 patients with cerebral infarction. Traces were recorded overnight and the sleep parameters were analyzed and compared with 22 normal controls. Results: Patients with cerebral infarction had longer sleep latency, more awake times, less total sleep time, lower sleep efficiency, decreased REM duration, decreased REM activity and density (P <001), and decreased memory loss correlated with REM reduction (R = 068, P <001). Conclusion: Patients with cerebral infarction not only reduce the amount of sleep and sleep quality changes, especially the reduction of REM sleep and memory are closely related.