Objective To investigate the correlation between carotid artery stenosis and cerebral infarction recurrence in youth with ischemic stroke patients. Methods Color doppler ultrasound was used to detect carotid artery. 42 patients with mild stenosis of in⁃ternal carotid artery,77 patients with moderate stenosis of internal carotid artery were enrolled following 12 months. Results 5 cases of recurrent cerebral infarction were observed in 42 patients with mild stenosis of internal carotid artery group and 19 cases of 77 patients with moderate stenosis of internal carotid artery group during 12 months follow-up;statistical analysis showed that moderate carotid ste⁃nosis recurrence rate was significantly higher than the mild carotid stenosis (P<0. 05). Conclusion Ischemic youth stroke in patients with carotid artery stenosis severity is related to recurrence of cerebral infarction. Carotid artery stenosis severities are risk factors for cere⁃bral infarction recurrence,which can be used as one predictor on recurrence of cerebral infarction in young adults.%目的：观察颈动脉狭窄的青年缺血性卒中患者的脑梗死复发及其临床意义。方法采用彩色多普勒超声对青年缺血性卒中患者的颈动脉进行检测，筛查出轻度颈动脉狭窄组患者42例及中度颈动脉狭窄组患者77例，随访12个月，比较2组患者脑梗死的复发率的差异。结果42例轻度颈动脉狭窄青年缺血性卒中患者在随访期内脑梗死复发5例（5／42），而77例中度颈动脉狭窄组有19例复发（19／77），中度颈动脉狭窄组复发率明显高于轻度颈动脉狭窄组（P＜0．05）。结论青年缺血性卒中患者颈动脉狭窄严重程度与脑梗死的复发有关，颈动脉狭窄的严重程度是青年缺血性卒中脑梗死复发的危险因素，可作为青年缺血性卒中脑梗死复发的预测指标之一。
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