冠脉高度狭窄组及冠脉中度狭窄组的TB水平显著低于冠脉造影正常组（P<0.05-<0.01）。
The serum TB concentrations of severe stenosis and middle stenosis groups were significantly lower than that of normal group (P< 0. 05-<0. 01) .
结果18例脑梗死患者中颈内动脉轻度狭窄3例，中度狭窄9例，重度狭窄6例，颈动脉粥样斑块15例。
Results Of 18 cases with cerebral infarct, mild stenosis was found in 3 case, moderate stenosis in 9 cases, severe stenosis in 6 cases and atherosclerotic plaque in 15 cases.
颅内动脉狭窄按照TCD收缩期血流速度判断分成四组：正常组、轻度狭窄组、中度狭窄组、重度狭窄组。
Intracranial arterial stenosis according to TCD peak systolic flow velocity divided into four groups: normal, mild stenosis, moderate stenosis, severe stenosis.
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