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对５２例闭塞性脑血管病患者进行穿颅多普勒（ＴＣＤ）及磁共振血管造影（ＭＲＡ）检查。结果ＭＲＡ显示２２例大血管闭塞，３０例正常；ＴＣＤ显示４５例异常，７例正常。认为ＭＲＡ诊断大血管闭塞有较肯定的价值。而ＴＣＤ不但对大血管闭塞有诊断价值，对小血管闭塞亦能反映相应血管的功能状态及脑血流灌注情况
52 patients with occlusive cerebrovascular disease underwent transcranial Doppler (TCD) and magnetic resonance angiography (MRA) examination. Results MRA showed 22 cases of macrovascular occlusion, 30 cases of normal; TCD showed 45 cases of abnormal, 7 cases of normal. MRA diagnosis of macrovascular occlusion has a more positive value. The TCD not only for the diagnosis of macrovascular occlusion, small vessel occlusion also reflects the corresponding vascular function and cerebral perfusion