Annals of Indian Academy of Neurology 2017 20(4):387-392
Background: Intracranial atherosclerotic stenosis (ICAS) is a common cause of ischemic stroke in Asian countries and probably in India. Aim: The aim of this study was to describe the risk factors, distribution of vascular lesions, recurrence and outcome of stroke due to ICAS. Methodology: A total of 100 consecutive patients of ischemic stroke due to ICAS were enrolled prospectively from January 1, 2015, to December 31, 2015, and followed for 1 year for treatment compliance and recurrence. The details about demographics, risk factors, and vascular lesions were noted. Results: There were 68 males and 32 females. Hypertension (HTN), diabetes, alcohol, smoking, hyperlipidemia, and hyperhomocysteinemia was present in 82%, 52%, 34%, 33%, 28%, and 23%, respectively. The number of arteries involved were middle cerebral artery, 53 (37.3%); posterior cerebral artery, 24 (16.9%); internal cerebral artery, 21 (14.8%); vertebral artery, 18 (12.7%); basilar artery, 6 (4.2%); and anterior cerebral artery, 6 (4.2%). Seventeen (17%) patients had a recurrent stroke during 1 year follow-up. The presence of uncontrolled HTN and diabetes mellitus after discharge were significantly associated with stroke recurrence (P < 0.05). The use of dual antiplatelet agents and statins was found to have a significant effect in the prevention of recurrent stroke (P < 0.05). Severe stroke at presentation and presence of hemiparesis were the predictors for unfavorable outcome at 3 months (P < 0.05). Conclusion: Risk factors, distribution of vascular lesions and high recurrence of stroke due to ICAS in this study is similar to that reported from other Asian countries. Aggressive medical management and risk factor control remains the best strategy for preventing recurrence.
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