Wake-up strokes constitute 1/5 of all ischemic strokes. Studies suggest that patients have a 55% higher risk of having a stroke between the hours of 6:00am and noon. Why?
觉醒后脑卒中占所有缺血性脑卒中的1/5。科研结果提示在早6点到中午时间内发生脑卒中的风险高于55%。为什么？
Answer 答案：
In the morning hours there is increased sympathetic activity, frequent termination of a. fib (which is associated with cardiac embolism), and as sleep apnea affects cerebral perfusion（it is a risk factor for acute stroke ).
早上时间里交感神经活性增加，时常房颤会转复（与心脏栓子相关），和呼吸暂停影响脑灌注（导致急性脑卒中的一个风险）。
参考文献：
Am J EM.2019;37:954
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