The relationship between carotid artery stenosis and clinical symptoms in TIA patients

Objective To investigate the relationship between the stenosis of clinically relevant carotid artery and frequent Transient Ischemic Attacks(TIA).Methods Examinations of 114 cases from internal carotid artery system TIA patients through carotid ultrasound and transcranial color doppler(TCD) were analyzed retrospectively,all the patients were divided into frequent TIA(n ≥3) and non frequent TIA(n 3) groups according to the different attack frequencies.The occurrence of severe stenosis and occlusion of side carotid artery stenosis at different age stages were compared.Results ① The incidence of the clinically relevant of side carotid artery severe stenosis in the frequent TIA group was higher than that in the non frequent TIA group(P0.05).② Most of the 114 patients with TIA aged 50 to 79 years,and there was a tendency that the incidence of severe stenosis or occlusion increased with age,but there was no significant difference(P0.05).Conclusion Frequent TIA is significantly associated with the carotid artery stenosis.Carotid artery stenosis is an important factor for carotid artery system TIA.