• World Neurosurg · Dec 2022

    Clinical Characteristics and Multimodality Therapy Outcomes in 304 Pediatric Patients with Cerebral Arteriovenous Malformations.

    • Haoyu Zhu, Yupeng Zhang, Shikai Liang, Chao Ma, Fei Liang, Longhui Zhang, and Chuhan Jiang.
    • Department of Interventional Neuroradiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
    • World Neurosurg. 2022 Dec 1; 168: e150e161e150-e161.

    BackgroundClinical follow-up data of pediatric patients with cerebral arteriovenous malformations (AVMs) are limited. This study investigated the characteristics of AVMs in children and analyzed the clinical outcomes of multimodality therapy in pediatric patients with AVMs at a single center.MethodsThis retrospective study included consecutive patients diagnosed with AVMs at our institution between August 2008 and June 2018. Data on demographic characteristics, AVM features, and clinical outcomes were collected. Patients aged <18 years at admission were defined as children.ResultsOverall, 1009 patients with AVMs were included, with 304 (30.1%) patients aged <18 years. AVMs in pediatric patients were more likely to present with intracranial hemorrhage, mostly located in deep areas of the brain. A small nidus, exclusively deep drainage, and deep AVM location were associated with hemorrhage in children; Kaplan-Meier analysis revealed that patients with ruptured AVMs had a higher risk of developing a follow-up hemorrhage than those with unruptured AVMs. Among 290 children who were followed up, the multivariate regression analysis showed that a higher pretreatment modified Rankin Scale score, deep AVM location, and conservative treatment were significantly associated with unfavorable outcomes.ConclusionsIn pediatric patients, AVMs were more likely to present with intracranial hemorrhage than that in adults. Hemorrhagic presentation in children was associated with a small nidus, exclusively deep drainage, and deep AVM location. Pediatric patients with ruptured AVMs had significantly higher risks of follow-up hemorrhage than those with unruptured AVMs. Our clinical results suggest that nonconservative treatment is better for pediatric patients with AVMs.Copyright © 2022 Elsevier Inc. All rights reserved.

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