Background: Many studies have reported a relationship between the vascular endothelial growth factor receptor 2 single nucleotide polymorphism (SNP) rs2305948 and glioma, but their conclusions have been controversial. A meta-analysis was performed to assess the association between rs2305948 and glioma susceptibility. Methods: Inclusion criteria and a strategy for screening of original literature were created. Eligible articles on the correlation between the SNP rs2305948 and glioma were identified in the PubMed, Embase, Web of Science, Cochrane Library, CNKI and Wanfang databases. After extracting the data, Stata 12. 0 software was used to perform statistical analysis under 5 genetic models and to calculate the combined odds ratio (OR) value and its 95% confidence interval (CI). Results: Four case-control studies including 1595 cases and 1657 controls were entered into the study. The overall analysis showed that no obvious association existed between rs2305948 and glioma risk (allele: OR = 1.20, 95% CI = 0.93–1.54, P = .162; dominant: OR = 1.17, 95% CI = 0.93–1.46, P = .174; recessive: OR = 1.72, 95% CI = 0.94–3.15, P = .076; heterozygous: OR = 1.11, 95% CI = 0.94–1.30, P = .226; homozygous: OR = 1.74, 95% CI = 0.92–3.29, P = .088). The subgroup analysis suggested that the SNP rs2305948 was related to glioma susceptibility under allele, dominant, recessive and homozygote models in the Asian population (allele: OR = 1.34, 95% CI = 1.16–1.55, P < .001; recessive: OR = 2.24, 95% CI = 1.49–3.36, P < .001; homozygous: OR = 2.32, 95% CI = 1.54–3.50, P < .001). Conclusion: The vascular endothelial growth factor receptor 2 rs2305948 gene polymorphism may be related to glioma susceptibility in the Asian population. However, the association is not clear in non-Asian populations, for which there has been less research.
Vertebrobasilar dolichoectasia (VBD) is a rare disease in clinic, with an incidence of 0.06% and 5.8%. It is a progressive vascular disease caused by the dilatation, tortuosity, and prolongation of vertebral and basilar arteries caused by a variety of factors. VBD can lead to hemodynamic changes, ischemic stroke, compression symptoms due to vasodilation, neurological dysfunction, hydrocephalus, subarachnoid hemorrhage, and other clinical manifestations. However, because the condition of VBD is complex and changeable, the treatment of VBD is not uniform. With the development of vascular intervention, especially the development of stent technology, it may become an effective method for the treatment of VBD. Two patients with VBD were treated with endovascular stent implantation.
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