Stroke ranks as the second leading cause of death and the leading cause of morbidity worldwide. Large intracranial arterial stenosis (ICAS) is a major cause of stroke.
This study investigated the prevalence and associated vascular risk factors of ICAS in a high-risk population in Qalyeubia Governorate, Egypt. A cross-sectional pilot survey using transcranial Doppler (TCD) was conducted at Toukh Central Hospital and Aghore El-qubra primary healthcare units in the Qalyeubia Governorate from 1 January 2016 until the end of June 2016.