期刊
WORLD NEUROSURGERY
卷 108, 期 -, 页码 347-355出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.wneu.2017.09.022
关键词
Density heterogeneity; Hematoma expansion; Noncontrast computed tomography; Shape irregularity; Spontaneous intracerebral hemorrhage
资金
- Science and Technology Department of Sichuan Province [2014SZ0043]
OBJECTIVE: This systematic review and meta-analysis was aimed to evaluate the predictive values of shape irregularity and density heterogeneity of hematoma on noncontrast computed tomography (NCCT) for hematoma expansion (HE). METHODS: A literature search was performed in PubMed, Embase, Scopus, Web of Science, and Cochrane Library. Studies about predictive values of shape regularity or density heterogeneity of hematoma on NCCT for HE in spontaneous intracerebral hemorrhage were included. Meta-analysis was performed to pool the data. Publication bias assessment, subgroup analysis, and univariate meta-regression were conducted. RESULTS: A total of 7 studies with 2294 patients were included. The pooled sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio of shape irregularity were 67%, 47%, 1.30, and 0.71, respectively. In contrast, the pooled sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio of density irregularity were 52%, 69%, 1.70, and 0.69, respectively. CONCLUSIONS: Considering the relatively low sensitivity and specificity, the predictive values of shape irregularity and density heterogeneity of hematoma for HE are limited. Further studies are still needed to find optimal NCCT predictors for HE in spontaneous intracerebral hemorrhage patients.
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