SynthesisNeurosurgical review2025
Treatment outcomes of Spetzler-Ponce grade A brain AVMs in a low-volume center: a systematic review and single institution experience.
Synthesis in Neurosurgical review, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Arteriovenous malformations of the brain (bAVMs) are complex lesions in the treatment of which patient volumes and subsequent experience are likely to reflect on the outcome. We investigated whether a small neurosurgical center with a limited caseload can achieve similar results to larger centers in treatment of low grade bAVMs. We performed a systematic literature review of studies that have reported outcomes for Spetzler-Ponce A bAVM patients and completed a statistical analysis with a binary random-effects model (Simonian Laird). Since the definition of morbidity varied significantly between studies, we also grouped surgical and endovascular studies according to the definition. We examined treatment outcomes at our own institution and compared them to the literature. In the random effects model based on the literature review, surgery achieved a cure more consistently (98.2%, CI 97.3-99.2%, I
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