Abstract
Cerebral vasospasm (CVS) is the main complication of spontaneous subarachnoid hemorrhage (SAH), severely affecting clinical outcome of patients with SAH. Apolipoprotein E gene (APOE) is associated with prognosis of spontaneous subarachnoid hemorrhage (SAH), and APOEε4 allele is reported to be apt to CVS after SAH. The current study aimed to investigate the association of APOE polymorphisms with CVS after SAH. One hundred and eighty-five patients with spontaneous SAH were recruited in the study. APOE genotypes were determined by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). CVS was judged by Transcranial Doppler sonography (TCD) combined with patients’ condition. χ2-test and logistic regression analysis were done by SPSS (version 11.5). The distributions of APOE genotypes and alleles matched Hardy–Weinberg Law. In 185 patients, 21 of 32 (65.7%) patients with APOEε4 allele showed CVS, which was significantly different from those without APOE ε4 allele (56 of 153 patients, 36.6%, P = 0.022). However, neither the presence of ε2 nor ε3 was significantly different from those absent of it (P > 0.05). Logistic regression analysis demonstrated that ApoEε4 allele was a risk factor (OR = 2.842.95%CI1.072–6.124.P = 0.019) to predispose to CVS after adjusting for age, sex, hypertension or not, hyperlipemia or not, Fisher grade, and Hunt–Hess grade after SAH. Our finding suggests that the patients with APOEε4 allele predispose to CVS after spontaneous SAH.
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Wu, Ht., Zhang, Xd., Su, H., Jiang, Y., Zhou, S., Sun, Xc. (2011). Association of Apolipoprotein E Polymorphisms with Cerebral Vasospasm After Spontaneous Subarachnoid Hemorrhage. In: Feng, H., Mao, Y., Zhang, J.H. (eds) Early Brain Injury or Cerebral Vasospasm. Acta Neurochirurgica Supplements, vol 110/1. Springer, Vienna. https://doi.org/10.1007/978-3-7091-0353-1_24
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DOI: https://doi.org/10.1007/978-3-7091-0353-1_24
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