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find Keyword "Intra-operative ultrasound" 1 results
  • Value of Intra-operative Ultrasound in Diagnosis of Tumor Residue after Resection of Intracranial Gliomas: A Meta-Analysis

    ObjectiveTo systematically review the value of intra-operative ultrasound in diagnosis of tumor residue after resection of intracranial gliomas. MethodsSuch databases as PubMed, EMbase, The Cochrane Library, CBM, CNKI, WanFang Data and VIP were electronically searched for the diagnostic test about intra-operative ultrasound in diagnosis of tumor residue after resection of intracranial gliomas by March 31st, 2013. Meanwhile, search engines such as Google, Baidu were also used for relevant search. According to the inclusion and exclusion criteria, the literature was screened and the data were extracted. The methodological quality was evaluated in accordance with the quality assessment tool for diagnostic accuracy studies (QUADAS) and then meta-analysis was conducted using Meta-DiSc 1.4 software. ResultsA total of 10 studies involving 423 patients were included. The results of meta-analysis showed that the sensitivity, specificity, positive likelihood ratio, negative likelihood ratio and diagnostic odds ratio (DOR) were 0.78 (95%CI 0.74 to 0.82), 0.90 (95%CI 0.88 to 0.90), 5.12 (95%CI 2.86 to 9.16), 0.29 (95%CI 0.21 to 0.39) and 25.00 95%CI (13.27 to 47.10), respectively; and the AUC was 0.89. In the subgroup analysis, for low grade intracranial gliomas, the results of meta-analysis showed that the sensitivity, specificity and DOR were 0.87 (95%CI 0.77 to 0.94), 0.88 (95%CI 0.78 to 0.94) and 28.93 (95%CI 7.46 to 112.14), respectively, and the AUC was 0.92. For high grade gliomas, the results of meta-analysis showed that the sensitivity, specificity and DOR were 0.80 (95%CI 0.72 to 0.87), 0.67 (95%CI 0.53 to 0.79) and 7.20 (95%CI 3.04 to 17.09), respectively, and the AUC was 0.80. ConclusionIntra-operative ultrasound is useful for the diagnosis of tumor residue after resection of intracranial gliomas, especially for low grade gliomas.

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