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| Study on the Relationship between Basilar Artery Tortuosity and Posterior Circulation Infarction |
| WU Xiao-lin, WANG Li-na |
| The Ninth Hospital of Xi'an,Shan Xi 710054 China |
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Abstract 【Objective】To investigate the correlation between basilar artery tortuosity and posterior circulation infarction. 【Methods】A total of 87 patients with posterior circulation cerebral infarction who were admitted to the hospital between June 2014 and June 2016 were included in the cerebral infarction group. Another 60 healthy persons who underwent magnetic resonance angiography (MRA) in the same period were selected as the control group. The basic data of the two groups were analyzed, and the relationship between basilar artery tortuosity and posterior circulation cerebral infarction was analyzed by multivariate Logistic regression analysis. 【Results】The probabilities of diabetes, hypertension, smoking, basilar artery tortuosity ≥ grade 2 and vertebral artery dominance in the cerebral infarction group (40.23%, 65.52%, 33.33%, 56.32% and 63.22%, respectively) were higher than those in the control group (13.33%, 28.33%, 16.67%, 18.33%,41.67%, respectively) with significantly statistical difference (P ＜ 0.05) The tortuosity coefficient (TC), theoretical basilar artery length (BAL) and bending length (BL) in the cerebral infarction group were higher than those in the control group (P＜0.05). Logistic regression analysis showed that diabetes, hypertension, basilar artery tortuosity ≥ 2, TC and BL were the independent risk factors for posterior circulation cerebral infarction. 【Conclusion】The basilar artery tortuosity is related to the incidence of posterior circulation infarction. Diabetes, hypertension and smoking are the independent risk factors for posterior circulation cerebral infarction.
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Received: 22 January 2017
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2017, Vol. 34 
