目的研究超急性脑梗死的磁共振的弥散加权像(DWI)征象。
Objective To study the features of MR diffusion-weighted imaging (DWI) in the hyperacute cerebral infarction.
目的应用弥散-灌注磁共振成像技术对改良线栓法建立的超急性脑梗死再灌注模型进行实验研究。
Objective To assess the role of diffusion-perfusion MRI in evaluating the experimental model of hyperacute cerebral infarction reperfusion in rat.
结论DWI诊断超急性脑梗死的准确率为100%。DWI对超急性脑梗死高度准确，优于常规mri。
Conclusion DWI is highly accurate in diagnosing and its specificity is 100% and is superior to conventional MRI.
目的探讨普通CT对超急性期脑梗死的诊断价值。
Objective To discuss the diagnostic value of conventional ct in hyperacute cerebral infarction.
结论超急性期脑梗死常规ct虽然征象轻微，但结合临床，具有一定的价值。
Conclusion Although the conventional ct symptoms of hyperacute cerebral infarction are light, but they have definitive value combining clinical manifestations.
目的探讨64排螺旋CT脑容积灌注成像在超急性期脑梗死的应用价值。
Objective to evaluate the application of 64-multidetector spiral ct cerebral perfusion imaging in patients with hyperacute infarct.
目的评价经颅超声溶栓治疗超早期急性脑梗死的临床疗效。
Objective To study the clinical outcome of transcranial ultrasound thrombolysis in the treatment for very early stage patients with acute cerebral infarction.
方法对急性脑梗死患者，随机进行超选择性动脉灌注尿激酶溶栓治疗30例和单纯静脉溶栓治疗32例对照研究。
Methods A random control study was made by supperselected intraaterial thrombolysis in 30 cases and venous thrombolysis in 32 cases respectively.
方法对32例超急性期脑梗死病人DWI扫描结果进行分析。
目的探讨超急性期脑梗死的CT表现特点，提高诊断水平。
Objective to analyze ct features of hyperacute cerebral infarction and to improve the diagnostic level.
DWI的全方向比单方向对显示超急性期脑梗死的梗死灶更清楚。
The whole direction diffusion showed clearer infarct lesions than that of single direction diffusion did.
DWI的全方向比单方向对显示超急性期脑梗死的梗死灶更清楚。
The whole direction diffusion showed clearer infarct lesions than that of single direction diffusion did.
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