Investigation on basilar artery curvature and its risk factors in patients with vertigo

Objective To investigate the basilar artery curvature and its risk factors in patients with vertigo.Methods The clinical data of 237 patients with vertigo were understood.The cranium MRA or CTA and the levels of blood lipid,homocystine of all the patients were detected.The risk factors of basilar artery curvature were researched with multiple Logistic regression analysis.Results In this group of 237 patients,64 cases(27.0%) were inspected to exist in basilar artery curvature,and 173 cases(73.0%) were not found basilar artery curvature.The age of patients with basilar artery curvature were significantly higher than that of patients without basilar artery curvature(P0.01).And the rate of hypertensive disease,diabetes mellitus,stroke history,coronary heart disease,increased low density lipoprotein cholesterol,prolonged basilar artery and vertebral artery dominance in patients with basilar artery curvature were significantly higher than that in patients without basilar artery curvature(P0.05-0.01).Multiple regression analysis showed that prolonged basilar artery(OR=21.56,95%CI: 6.74-18.24,P=0.001) and vertebral artery dominance(OR=36.34,95%CI: 6.98-24.38,P0.001) were the risk factors of basilar artery curvature.Conclusions The ratio of basilar artery curvature is high in patients with vertigo.Prolonged basilar artery and vertebral artery dominance are important risk factors of basilar artery curvature in patients with vertigo.