World neurosurgery · 2020
Relationship Between Oral Contraceptives and the Risk of Gliomas and Meningiomas: A Dose-Response Meta-Analysis and Systematic Review.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод в очереди
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Yang Xin, Liu Feng, Zheng Jiawei, Cheng Wenke, Zhao Chao, Di Ji
Аннотация
OBJECTIVE: Glioma and meningioma are the most common primary brain tumors in adults. Epidemiologic studies of the relationship between female hormone exposure and exogenous hormone use and the risk of meningioma and glioma in females have yielded inconsistent results.
METHODS: Two investigators comprehensively searched 3 electronic databases, including PubMed, Embase, and Cochrane Library. A total of 11 case-control studies were enrolled for meta-analysis. Dose-response meta-analyses were conducted.
RESULTS: Compared with the non-oral contraceptives (OCs) female users, the female OC users might have reduced risk of glioma (risk ratio [RR], 0.87; 95% confidence interval [CI], 0.77-0.97; I2 = 42.6%). However, there was no obvious evidence of an association between OC use and the risk of meningioma in females (RR, 0.99; 95% CI, 0.87-1.13; I2 = 42.7%). Using OCs for >10 years in females may significantly decrease the risk of glioma to 30% (RR, 0.7; 95% CI, 0.6-0.81; I2 = 0%). The dose-response meta-analyses indicated that the risk of glioma in females significantly decreased when the duration of oral OC use was >7.5 years.
CONCLUSIONS: OC use may not increase the risks of glioma and meningioma in females. Instead, the long-term use of OCs may significantly decrease the risk of glioma, and the benefits are even more pronounced when the time window is >7.5 years. Nonetheless, the pooled results in this study suggest that OC use may not increase the risk of meningioma. Therefore, our conclusion should be validated and supplemented in future larger studies.
METHODS: Two investigators comprehensively searched 3 electronic databases, including PubMed, Embase, and Cochrane Library. A total of 11 case-control studies were enrolled for meta-analysis. Dose-response meta-analyses were conducted.
RESULTS: Compared with the non-oral contraceptives (OCs) female users, the female OC users might have reduced risk of glioma (risk ratio [RR], 0.87; 95% confidence interval [CI], 0.77-0.97; I2 = 42.6%). However, there was no obvious evidence of an association between OC use and the risk of meningioma in females (RR, 0.99; 95% CI, 0.87-1.13; I2 = 42.7%). Using OCs for >10 years in females may significantly decrease the risk of glioma to 30% (RR, 0.7; 95% CI, 0.6-0.81; I2 = 0%). The dose-response meta-analyses indicated that the risk of glioma in females significantly decreased when the duration of oral OC use was >7.5 years.
CONCLUSIONS: OC use may not increase the risks of glioma and meningioma in females. Instead, the long-term use of OCs may significantly decrease the risk of glioma, and the benefits are even more pronounced when the time window is >7.5 years. Nonetheless, the pooled results in this study suggest that OC use may not increase the risk of meningioma. Therefore, our conclusion should be validated and supplemented in future larger studies.