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您的检索式：作者名="Akiff Premjee"
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| 1 | Hydrocephalus after subarachnoid hemorrhage:A metaanalytic comparison of aneurysm treatments显示文摘AIM: To compare two treatments for ruptured cerebral aneurysm with reference to the relative risk of developing hydrocephalus.METHODS: We reviewed the English language literature on the risk of developing hydrocephalus after aneurysm treatment.Data were divided by type of study(randomized controlled trial,cohort trial,nonrandomized comparison,prospectively- and retrospectively-collected observational study).They were also divided by type of aneurysm treatment(microvascular- clipping,or endovascular- coiling).Additional predictive variables collected for each publication were average age,gender distribution,measures of hemorrhage volume and subarachnoid hemorrhage severity,aneurysm locations,time to treatment,duration of follow-up and date of publication.We employed meta-analysis to calculate pooled risk ratios of developing hydrocephalus in cases receiving aneurysm clipping vs those receiving coiling.Meta-regression was used to correct pooled results for covariates.RESULTS: Because indications for the two treatments are different,there is little clinical equipoise for treating most cases.The single randomized,controlled trial dealt with a small subset of ruptured aneurysms.Neither this nor pooled values from other studies which compared the two treatments had the power to demonstrate significant differences between the two treatments.Nor was there an apparent difference when observational data were meta-analytically pooled.However,when meta-regression was used to correct for predictive variables known to differ between the two treatment groups,a highly-significant difference appeared.Coiling is used more commonly in older,sicker patients with aneurysms in certain locations.These cases are more likely to develop hydrocephalus.When corrected for these covariates,the risk of hydrocephalus was found to be significantly lower in coiled vs clipped cases(P = 0.014).CONCLUSION: Pooled observational data were necessary to demonstrate that coiling ruptured cerebral aneurysms is associated with a lower risk of developing hydrocephalus than is clipping. | Shih-Shan Lang Matthew R Sanborn Connie Ju Akiff Premjee Sherman C Stein Michelle J Smith | 2014 | World Journal of Meta-Analysis2014，2，4： | 1 |
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