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目的探讨颈内动脉系统频发短暂性脑缺血发作(TIA)的临床特征以及颈内动脉系统血管狭窄特点。方法回顾性分析51例颈内动脉系统频发TIA患者的临床资料。结果51例患者临床表现以一侧肢体无力[30例(59%)]最为常见,其余依次为肢体无力合并感觉症状[14例(27%)]、失语[4例(8%)]、感觉障碍[3例(6%)]。平均发作持续时间为23min;平均ABCD2评分为4.1分,4例患者在发作后1周内形成缺血性脑卒中。33例(65%)有颈内动脉系统血管狭窄,其中颅内动脉狭窄18例(35%),颅外动脉狭窄10例(20%),颅内动脉、颅外动脉均有狭窄5例(10%)。轻度、中度、重度狭窄患者分别为7例(14%)、11例(22%)、15例(29%)。结论颈内动脉系统频发TIA以一侧肢体无力为主要临床表现。颈内动脉系统血管狭窄率为65%,且以颅内动脉狭窄为主。
Objective To investigate the clinical characteristics of the internal carotid artery system of frequent ischemic attack (TIA) and the characteristics of the internal carotid artery system. Methods A retrospective analysis of 51 cases of internal carotid artery in patients with frequent TIA clinical data. Results The clinical manifestations of 51 patients were most common in one limb (30 cases, 59%), followed by limb weakness and sensory symptoms (14 cases, 27%), aphasia (4 cases, 8%), sensation Barrier [3 cases (6%)]. The mean duration of attack was 23 min; mean ABCD2 score was 4.1 and 4 patients developed ischemic stroke within 1 week of the onset. Thirty-three patients (65%) had stenosis of internal carotid artery, including 18 cases of intracranial stenosis (35%), 10 cases of extracranial artery stenosis (20%), 5 cases of intracranial artery and extracranial artery stenosis 10%). Seven patients (14%), 11 patients (22%) and 15 patients (29%) had mild, moderate and severe stenosis respectively. Conclusions The internal carotid artery system of frequent TIA with one limb weakness as the main clinical manifestations. Internal carotid artery vascular stenosis rate was 65%, and the main intracranial artery stenosis.