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目的:探讨分析经颅多普勒超声(TCD)在急性期脑梗死诊断中的应用。方法:回顾性分析2009年8月-2011年5月我院收治的86例经头颅CT或MRI确诊的急性脑梗死患者,应用TCD进行脑血管血流动力学监测。并与正常对照组(A组)45例进行比较。结果:86例急性脑梗死患者(B组)的TCD检查结果发现病灶区血流主要表现为减慢、加快或消失,其中82例脑血流异常,异常率95.35%,血流速度减慢39例,占44.35%;血流速度加快36例,占41.86%,36例血流速度加快有29例为脑血管狭窄,7例为血管痉挛;血流消失7例,占8.13%。A组血流异常率为33.4%,B组血流异常率明显高于A组,差异有统计学意义(P<0.05)。结论:TCD具有无创、实用、经济、简便等优点,可用于急性期脑梗死患者了解颅内血管血流动力学及血管阻力,间接了解颅内压,为治疗及预后提供参考。
Objective: To investigate the application of transcranial Doppler ultrasound (TCD) in the diagnosis of acute cerebral infarction. Methods: A retrospective analysis of 86 patients admitted to our hospital from August 2009 to May 2011 with acute brain infarction diagnosed by CT or MRI was performed. TCD was used to monitor the hemodynamics of cerebral vessels. And compared with the normal control group (A group) 45 cases. Results: The results of TCD in 86 patients with acute cerebral infarction (group B) showed that the blood flow in the lesion mainly slowed down, accelerated or disappeared. Among them, 82 cases had abnormal cerebral blood flow, the abnormal rate was 95.35% and the blood flow velocity was slowed down Cases, accounting for 44.35%; 36 cases of blood flow to speed up, accounting for 41.86%, 36 cases of blood flow to speed up 29 cases of cerebral vascular stenosis, 7 cases of vasospasm; blood flow disappeared in 7 cases, accounting for 8.13%. The rate of abnormal blood flow in group A was 33.4%, and the rate of abnormal blood flow in group B was significantly higher than that in group A (P <0.05). Conclusion: TCD is noninvasive, practical, economical and simple. It can be used in patients with acute cerebral infarction to understand the intracranial hemodynamics and vascular resistance, understand the intracranial pressure indirectly, and provide reference for the treatment and prognosis.