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依据美国国立神经疾病与卒中研究所(NINDS)资料库资料,对1805例急性卒中中1273例诊为梗塞的病因分析,大动脉粥样硬化不是卒中的常见原因,且按传统的分类许多梗塞的原因不能纳入。为此,将CT、脑血管造影等作为补充诊断标准后,发现许多不能解释的卒中可因栓子引起的认识,已导致继续对新机制的研究和揭示一些潜在的卒中危险因素。1877年由Cohnheim首先描述的通过未闭的卵园孔(PFO)由右向左分流的逆行栓塞长期被认为是一种卒中的潜在病因。1972年对逆行栓塞提出四条诊断标准:①全身或脑的栓塞元左侧心脏病;②有静
According to the National Institute of Neurological Disorders and Stroke (NINDS) database, 1273 out of 1805 acute stroke patients were analyzed for etiology. Atherosclerosis was not a common cause of stroke and many of the causes of infarction were traditionally classified Can not be included. For this reason, CT and cerebral angiography as supplementary diagnostic criteria, found that many unexplained stroke can be caused by embolism awareness, has led to the continued study of new mechanisms and reveal some of the potential risk factors for stroke. Retrograde embolization, first described by Cohnheim in 1877, from right to left shunt through the unoccupied ovulation hole (PFO) has long been considered a potential cause of stroke. 1972 retrograde embolism proposed four diagnostic criteria: ① systemic or cerebral embolism left heart disease; ② have static