Frameless stereotactic radiosurgery for brain metastasis: a systematic review and meta-analysis

Stereotactic Radiosurgery (SRS) delivers a high dose of radiation to a specific brain area while limiting radiation to nearby healthy tissue. While most SRS has traditionally been performed with a stereotactic frame-based approach, this study aims to investigate the safety and efficacy of frameless...

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Veröffentlicht in:Neurosurgical review 2024-08, Vol.47 (1), p.423, Article 423
Hauptverfasser: Habibi, Mohammad Amin, Mirjnani, Mohammad Sina, Ghazizadeh, Yalda, Norouzi, Alireza, Minaee, Poriya, Eazi, SeyedMohammad, Atarod, Mohammad Hosein, Aliasgary, Aliakbar, Noroozi, Mohammad Zaman, Hajikarimloo, Bardia, Sheehan, Jason P.
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container_title Neurosurgical review
container_volume 47
creator Habibi, Mohammad Amin
Mirjnani, Mohammad Sina
Ghazizadeh, Yalda
Norouzi, Alireza
Minaee, Poriya
Eazi, SeyedMohammad
Atarod, Mohammad Hosein
Aliasgary, Aliakbar
Noroozi, Mohammad Zaman
Hajikarimloo, Bardia
Sheehan, Jason P.
description Stereotactic Radiosurgery (SRS) delivers a high dose of radiation to a specific brain area while limiting radiation to nearby healthy tissue. While most SRS has traditionally been performed with a stereotactic frame-based approach, this study aims to investigate the safety and efficacy of frameless radiosurgery in patients with brain metastases. Our study followed the recommended guidelines summarized in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. The electronic databases of PubMed/Medline, Scopus, Embase, and Web of Science (WOS) were searched from inception to 10 October 2023. The pooled rate of outcomes was calculated using random effect model and Restricted maximum–likelihood (REML) method. All statistical analysis was performed by STATA V.17. A total of 499 studies were recruited from the electronic databases. After removing duplicates ( n  = 117), 382 studies were used for title/abstract, and 329 were removed from the study selection process. A total of 53 articles were used for full-text assessment, and 35 studies were included for data extraction. Our analysis revealed a significant increase across all pooled survival rates and local control rates by initiating the radiosurgery for patients, estimating the pooled 6-month OSR of 75% (95% CI: 68-81%), 1-year overall survival rate (OSR) of 60% (95% CI: 51-69%), 18-month OSR of 48% (95% CI: 10-85%), 2-year OSR of 39% (95% CI: 19-58%), 1-year progression-free survival rate (PFSR) of 68% (95% CI: 39-98%), 2-year PFSR of 75% (95% CI: 58-91%), 6-month local control rate (LCR) of 93% (95% CI: 90-96%), and 12-month LCR of 86% (95% CI: 82-90%). Our meta-analysis findings confirm the efficacy of frameless radiosurgery in treating brain metastases. Using data from several trials, we were able to demonstrate stereotactic radiosurgery’s effectiveness as a therapy option for brain metastasis patients, demonstrating local control and reasonable overall survival.
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subjects Brain Neoplasms - radiotherapy
Brain Neoplasms - secondary
Humans
Medicine
Medicine & Public Health
Neurosurgery
Radiosurgery - methods
Review
Treatment Outcome
title Frameless stereotactic radiosurgery for brain metastasis: a systematic review and meta-analysis
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