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经颅多普勒超声 (ＴＣＤ)用来评价缺血性脑血管病和蛛网膜下腔出血患者的脑血流量 (ＣＢＦ)变化的价值已得到多数学者的认可[1,2 ] 。采用单光子发射计算机断层显像 (ｓｉｎｇｌｅ ｐｈｏｔｏｎｅｍｉｓｓｉｏｎｃｏｍｐｕｔｅｒｔｏｍｏｇｒａｐｈｉａ ,ＳＰＥＣＴ)等检查发现
The value of transcranial Doppler ultrasound (TCD) to assess changes in cerebral blood flow (CBF) in patients with ischemic cerebrovascular disease and subarachnoid hemorrhage has been recognized by most scholars [1,2]. Using single photon emission computed tomography (SPECT) and other tests found