Diffusion perfusion weighted imaging ( PWI) can provide more useful information in superacute stage, of which the changes in perfusion imaging is earlier than that of DW1. PWI能在超急性阶段提供非常有用的信息,在超早期脑缺血性卒中灌注图像改变要先于DWI图像改变。
Diffusion-Perfusion MRI in Superacute Cerebral Infarction: An Experimental Study in Rats 大鼠超急性脑梗死弥散-灌注磁共振成像的实验研究
Low field MR diagnosis of superacute cerebral hemorrhage 超急性期脑出血低场强MR诊断研究
Methods Twenty one patients onset within 6 hours were divided into superacute stage, acute stage, subacute stage, chronic stage. 方法将21例患者分为超急性期、急性期、亚急性期、慢性期。
Purpose To evaluate the diagnostic value of diffusion weighted magnetic resonance imaging ( MRI DWI) performed within superacute stroke ( 6 hours of the onset of stroke symptoms) in patients. 目的评价磁共振弥散成像(MRIDWI)对超急性中风患者(发病后6小时内)影像学诊断的价值。
Objective To study a rapid and quantitative method for the diagnosis of cerebral hemorrhage at superacute stage by MRI, and to define the quantitative criterion of the differential diagnosis between acute cerebral hemorrhage and calcification by using FLASH T2 dual-echo magnetic resonance imaging. 目的研究磁共振扰相梯度回波诊断与鉴别诊断急性出血和钙化的定量指标,总结急性脑出血在双回波T2加权像上影像表现,探讨其影像表现的产生机制。
Objective To analyze the relationship between multislice CT ( MSCT) perfusion and NIHSS of diabetic and non-diabetic patients with superacute stroke and in clinical outcome. 目的分析糖尿病组与非糖尿病组超急性期脑梗死的MSCT灌注结果与NIHSS评分的关系。
Superselective intraarterial fibrinolysis in acute or superacute embolic stroke 急性期或超急性期脑栓塞的超选择性动脉内溶栓疗法
Diffusion-weighted MR Imaging: Diagnostic Value in Patients Imaged within Superacute Stroke 磁共振弥散成像对超急性中风患者诊断的价值
Seven AMI patients who had severe superacute ventricular arhythmia and had no response to regular antiarrhythmic treatment were treated with thrombolytic therapy. 我们对7名发生超急性期严重室性心律失常、常规抗心律失常治疗无效的急性心肌梗塞患者进行了溶栓治疗。
Materials and Methods: 31 patients with cerebral infarction ( 4 superacute, 7 acute, 12 subacute, 8 chronic) were imaged with both conventional MRI and single-shot echo-planar diffusion-weighted MRI. 材料和方法:31例脑梗塞(4例超急性,7例急性,12例亚急性,8例慢性)患者行头颅单次激发回波平面弥散加权MRI和常规MRI扫描。
Correlation between multislice CT perfusion and NIHSS of diabetic and non-diabetic patients with superacute stroke 糖尿病组与非糖尿病组超急性期脑梗死的多层螺旋CT灌注与临床评分相关性的分析
Results: 2 of 4 cases with superacute cerebral infarction demonstrated abnormal high signal on FLAIR sequence, but 4 cases of superacute cerebral infarction demonstrated normally on FSE sequence. 结果:4例超急性期病人,FLAIR序列显示2例异常信号,FSE序列无1例发现异常信号。
CT Diagnosis of Superacute Cerebral Infarction 超急性期脑梗死的CT诊断
Superacute rejection was in 8 cases, acute rejection in 24 cases, chronic rejection in 16 cases. 8例发生超急排斥反应,急性排斥反应24例,慢性排斥反应16例。
Conclusion: The effective range of the rate of infusion of UK during superacute stage of cerebral stroke in rabbits is 160U/ s to 800U/ s, 320U/ s being the best. 结论:兔脑血栓形成超急性期动脉内灌注尿激酶进行溶栓治疗的有效速率范围为160~800U/s,以320U/s左右的注射速率为最佳。
The changes of Q-Tc interval ( Q-T/ ( R-R)~ ( 1/ 2)) in the superacute phase of myocardial infarction and the effect of intravenous propranolol on Q-Tc interval are studied with rabbits. 本文观察了家兔实验性急性心肌梗塞超急性期的Q-Tc间期的变化,以及静注心得安对Q-Tc间期的影响。
Methods: Among 40 patients with early cerebral infarction, 4 cases belong to superacute stage ( < 6h), 36 cases are acute stage ( 6h~ 72h). 方法:收集40例早期脑梗塞患者,其中超急性期(<6h)4例,急性期(6h~72h)36例。
Conclusion: DWI and PWI can detect the position and extent of the cerebral ischemia at the superacute stage, and are superior to SE T_1WI, T_2WI and FLAIR sequence in diagnosing superacute cerebral infarction. 结论:DWI、PWI可在超急性期显示脑梗死的部位和范围,其诊断价值优于SE序列T1WI、T2WI和FLAIR序列。
Conclusion The size, extent and development of superacute cerebral infarction can be well demonstrated on DWI, while the area of ischemia can be displayed on PI. 结论弥散磁共振成像可显示超急性脑梗死灶大小及其演变规律,灌注成像显示脑梗死缺血范围。
Conclusion: Mean DWI, b value, and artificial colour map may have great influence on DWI, and the superacute cerebral infarction could be found easier with suitable DWI parameters. 结论:平均DWI、b值和DWI伪彩图对扩散加权成像有重要影响,选择合适的参数有利于超急性期脑梗死的诊断。
Conclusion: DWI has higher sensitivity for acute, especially superacute cerebral infarction than conventional MRI and can differentiate acute from nonacute lesions. 结论:DWI对急性脑梗塞,尤其是超急性脑梗塞较常规MRI具有更高的敏感性;DWI还可以鉴别急性和非急性脑梗塞。
MRI Findings and Pathologic basis in Superacute Stage of Ischemic Cerebral Apoplexy: An Experimental Study in Rabbit Model 缺血性脑卒中超急性期MRI表现与病理动物实验研究
Study of Superacute ECG Abnormalities in Acute Myocardial Infarction 冠心病急性心肌梗塞超急性期心电图研究
Methods One hundred twenty six patients with AMI of CHD ( superacute period) were selected, and followed to record 12 leads ECG, then was analyzed. 方法选择冠心病急性心肌梗死(超急性期)患者126例,追踪描记12导联心电图,予以分析研究。
Objective To study the electrocardiogram ( ECG) changes of superacute period in acute myocardial infarction ( AMI) of coronary heart disease ( CHD). 目的研究冠心病急性心肌梗塞超急性期心电图改变,降低其病死率。
Objective To study superacute cerebral infarction with diffusion perfusion MRI in experimental rat model by occluding middle cerebral artery. 目的应用弥散灌注磁共振成像技术对改良线栓法制作的鼠大脑中动脉阻塞超急性脑梗死进行实验研究。
The Observation of Thrombolytic Treatment in AMI Patients with Superacute Severe Ventricular Arrhythmia 伴有超急性期严重定性心律失常的急性心肌梗塞患者溶栓治疗的观察