• Zhong Yao, Xin Hu, Chao You, and Min He.
• Department of Neurosurgery and West China Brain Research Centre, West China Hospital, Sichuan University, Chengdu, China.
• World Neurosurg. 2018 May 1; 113: 348-356.e2.

BackgroundSpontaneous intracerebral hemorrhage remains a major cause of death and dependence. Endoscopic surgery (ES) is potential to improve outcomes, but a consensus on the superiority of ES has not been achieved. We conducted a systematic review to clarify the effect of ES in spontaneous intracerebral hemorrhage and compare it with other treatment options (craniotomy, conservation, and stereotactic aspiration [SA]).MethodsWe performed this review based on the Preferred Reporting Items for Systematic review and Meta-Analysis. The subgroup analyses were stratified by study type, location, hematoma volume, interval to treatment, follow-up time, and stereotactic frame assistance.ResultsA total of 18 studies were included containing 1213 patients, most of whom harbored a hematoma greater than 50 mL. Compared with craniotomy and conservation, ES significantly reduced the mortality (P < 0.0001), poor outcomes (P < 0.00001), rebleeding (P = 0.0009), and pneumonia (P < 0.00001). In the subgroup analyses, late surgery (<48 hours) benefited more from ES than early surgery (<24 hours). The study location, hematoma volume, and stereotactic frame assistance insignificantly influenced the therapeutic effect of ES. Comparing ES and SA, we found that differences in mortality, poor outcomes, and rebleeding were insignificant, but ES had a greater evacuation rate and SA had shorter operative times.ConclusionsES achieves a better performance than craniotomy and conservation in terms of reducing mortality, dependence, and specific complications. Despite being similarly effective in improving functional outcomes, ES and SA have respective advantages. ES is a feasible alternation to craniotomy and conservation, and the comparison between ES and SA warrants further study.Copyright © 2018 Elsevier Inc. All rights reserved.

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