• World Neurosurg · Jan 2023

    Review Meta Analysis

    Frameless robotic-assisted biopsy of pediatric brainstem lesions: A systematic review and meta-analysis of efficacy and safety.

    • Victor M Lu, Stefan W Koester, Long Di, Turki Elarjani, Evan M Luther, Daniel G Eichberg, Alexis A Morell, Christopher S Graffeo, Othman Bin-Alamer, Hussam Abou-Al-Shaar, Ricardo J Komotar, Michael E Ivan, and Ashish H Shah.
    • Department of Neurological Surgery, University of Miami, Jackson Memorial Hospital, Miami, Florida, USA. Electronic address: victor.lu@jhsmiami.org.
    • World Neurosurg. 2023 Jan 1; 169: 8793.e187-93.e1.

    BackgroundPediatric brainstem lesions are diagnoses that require tissue sampling to advance our understanding of them and their management. Frameless, robot-assisted biopsy of these lesions has emerged as a novel, viable biopsy approach. Correspondingly, the aim of this study was to quantitively and qualitatively summarize the contemporary literature regarding the likelihood of achieving tumor diagnosis and experiencing any postoperative complications.MethodsSearches of 7 electronic databases from inception to September 2022 were conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Articles were screened against prespecified criteria. Outcomes were pooled by random-effects meta-analyses of proportions where possible.ResultsA total of 8 cohort studies satisfied all criteria. They described 99 pediatric patients with brainstem lesions in whom frameless, robot-assisted biopsy was involved in their work-up. There were 62 (63%) male and 37 (37%) female patients with a median age of 9 years at time of biopsy. Overall, all patients had sufficient tissue obtained by initial biopsy for evaluation. Pooled estimate of achieving tumor diagnosis was 100% (95% confidence interval [CI] 97%-100%) across all studies with a high degree of certainty. Across all studies, there were no cases of procedure-related mortality. The pooled estimates of transient and permanent complications after biopsy were 10% (95% CI 4%-19%) and 0% (95% CI 0%-2%), respectively, of very low and low degrees of certainty each.ConclusionsThe contemporary metadata demonstrates the frameless, robot-assisted biopsy of pediatric brainstem lesions is both effective and safe when performed in an experienced setting. Further research is needed to augment robot and automated technologies into workup algorithms.Copyright © 2022 Elsevier Inc. All rights reserved.

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