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Results:

Patients' age ranged from 45 to 76 sears, with 58 women and 38 men. Among risk factors, hypertension was present in 87%, Diabetes 32%, hyper lipids in 29%, and smoking in92% of patients. In the acute phase of CVI, with TCD method we recorded hypo perfusion in 79% of cases, and extra cranial color Doppler indicated narrowing of ACI above 50% and expressed atherosclerotic changes among 42% of patient, while in 18% ACI narrowing is not found up to 30% and in remaining 28% was without stenosis changes. In 3 cases there was a complete occlusion of ACI (2 on the right and 1 on the left side), and neurology deficit was from very mild to mild hemiparesis.

Conclusions:

Disorder of hemodynamic in intracranial part is not in complete correlation with the extra carotid part of circulation.