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Intraoperative fluorescence-guided resection of high-grade malignant gliomas using 5-aminolevulinic acid-induced porphyrins: a systematic review and meta-analysis of prospective studies.


ABSTRACT:

Background

We performed a systematic review and meta-analysis to address the (added) value of intraoperative 5-aminolevulinic acid (5-ALA)-guided resection of high-grade malignant gliomas compared with conventional neuronavigation-guided resection, with respect to diagnostic accuracy, extent of tumor resection, safety, and survival.

Methods and findings

An electronic database search of Medline, Embase, and the Cochrane Library was undertaken. The review process followed the guidelines of the Cochrane Collaboration. 10 studies matched all selection criteria, and were thus used for qualitative synthesis. 5-ALA-guided resection demonstrated an overall sensitivity of 0.87 (95% confidence interval [CI], 0.81-0.92), specificity of 0.89 (95% CI, 0.79-0.94), positive likelihood ratio (LR) of 7.62 (95% CI, 3.87-15.01), negative LR of 0.14 (95% CI, 0.09-0.23), and diagnostic odds ratio (OR) of 53.06 (95% CI, 18.70-150.51). Summary receiver operating characteristic curves (SROC) showed an area under curve (AUC) of 94%. Contrast-enhancing tumor was completely resected in patients assigned 5-ALA as compared with patients assigned white light. Patients in the 5-ALA group had higher 6-month progression free survival and overall survival than those in the white light group.

Conclusion

Based on available literature, there is level 2 evidence that 5-ALA-guided surgery is more effective than conventional neuronavigation-guided surgery in increasing diagnostic accuracy and extent of tumor resection, enhancing quality of life, or prolonging survival in patients with high-grade malignant gliomas.

SUBMITTER: Zhao S 

PROVIDER: S-EPMC3665818 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Publications

Intraoperative fluorescence-guided resection of high-grade malignant gliomas using 5-aminolevulinic acid-induced porphyrins: a systematic review and meta-analysis of prospective studies.

Zhao Shiguang S   Wu Jianing J   Wang Chunlei C   Liu Huailei H   Dong Xingli X   Shi Chen C   Shi Changbin C   Liu Yaohua Y   Teng Lei L   Han Dayong D   Chen Xiaofeng X   Yang Guang G   Wang Ligang L   Shen Chen C   Li Huadong H  

PloS one 20130528 5


<h4>Background</h4>We performed a systematic review and meta-analysis to address the (added) value of intraoperative 5-aminolevulinic acid (5-ALA)-guided resection of high-grade malignant gliomas compared with conventional neuronavigation-guided resection, with respect to diagnostic accuracy, extent of tumor resection, safety, and survival.<h4>Methods and findings</h4>An electronic database search of Medline, Embase, and the Cochrane Library was undertaken. The review process followed the guidel  ...[more]

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