Abstract
Background
To investigate whether associations exist between venous drainage subtypes (types I, II, and III) and the risk of subarachnoid hemorrhage subtypes.
Methods
Published case–control and case series from 2010 to 2014 which met all the inclusion criteria for the meta-analysis were selected and subjected to rigorous statistical analysis.
Results
A total of 11 studies with an overall patient population (case and controls) of 891 were involved in the study. Types I and II venous drainage had odds against peri-mesencephalic subarachnoid hemorrhage. The odds were in favor of type III venous drainage and peri-mesencephalic sub-arachnoid hemorrhage and idiopathic sub-arachnoid hemorrhage (ISAH).
Conclusions
Type I deep venous drainage may not be associated with the risks of peri-mesencephalic subarachnoid hemorrhage and ISAH, however, types II and III may be associated with high risk of peri-mesencephalic subarachnoid hemorrhage and ISAH, respectively.
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Acknowledgments
We thank Dr. Alex Boye (Department of Pharmacology and Institute of Natural Medicine, Anhui Medical University) for his technical help. We are also grateful to Miss Baofeng Wang (Department of Neurosurgery, Anhui Medical University) for translating Chinese articles to English.
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All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
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Yadav, C.P., Shen, J., Karki, M. et al. Relationship between venous drainage subtypes and sub-arachnoid hemorrhage subtypes: a meta-analysis. Acta Neurochir 158, 2067–2074 (2016). https://doi.org/10.1007/s00701-016-2967-1
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DOI: https://doi.org/10.1007/s00701-016-2967-1