The factors associated with hemorrhagic presentation in children with untreated brain arteriovenous malformation: a meta-analysis

被引:16
作者
Ai, Xiaolin [1 ]
Ye, Zengpanpan [1 ]
Xu, Jianguo [1 ]
You, Chao [1 ]
Jiang, Yan [2 ]
机构
[1] Sichuan Univ, West China Hosp, Dept Neurosurg, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, West China Hosp, Nursing Dept, Chengdu, Sichuan, Peoples R China
关键词
arteriovenous malformation; pediatric; hemorrhagic presentation; vascular disorders; GAMMA-KNIFE SURGERY; INTERNATIONAL MULTICENTER COHORT; PEDIATRIC-PATIENTS; STEREOTACTIC RADIOSURGERY; MICROSURGICAL RESECTION; ANGIOARCHITECTURAL FEATURES; INTRACRANIAL HEMORRHAGE; MULTIMODALITY TREATMENT; CLINICAL PRESENTATION; FUNCTIONAL OUTCOMES;
D O I
10.3171/2018.9.PEDS18262
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
OBJECTIVE Rupture of arteriovenous malformations (AVMs) would result in high mortality and prevalence of disability in pediatric patients. Decisions regarding the treatment of AVMs need to weigh the risk of rupture over the course of their natural history against the possibility of creating a lesion during treatment. Multiple factors have been proposed to predict hemorrhagic presentation of pediatric patients with AVMs. The aim of this meta-analysis was to evaluate the predictors of hemorrhagic presentation in pediatric patients with AVMs. METHODS The authors searched the PubMed and EMBASE databases. Studies reporting the predictors of hemorrhagic presentation in children with untreated brain AVMs were included. The predictive ability of identified predictors was assessed by odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS A higher risk of hemorrhagic presentation was found in AVMs with smaller size (< 3 cm, OR 2.97, 95% CI 1.94-4.54, p < 0.00001), deep venous drainage (OR 2.28, 95% CI 1.55-3.36, p < 0.0001), a single draining vein (OR 2.23, 95% CI 1.27-3.92, p = 0.005), a single feeder (OR 3.72, 95% CI 1.31-10.62, p = 0.01), a deep location (OR 1.82, 95% CI 1.22-2.72, p = 0.004), an infratentorial location (OR 2.25, 95% CI 1.19-4.26, p = 0.01), and diffuse morphology (OR 8.94, 95% CI 3.01-26.55, p < 0.0001). In addition, the AVMs with draining vein ectasia (OR 0.35, 95% CI 0.13-0.97, p = 0.04) and high Spetzler-Martin (SM) grade (OR 0.53, 95% CI 0.36-0.78, p = 0.001) had a lower risk of hemorrhagic presentation in pediatric patients. CONCLUSIONS Smaller AVMs, deep venous drainage, a single draining vein, a single feeder, deep/infratentorial location, diffuse morphology, and high SM grade were identified as positive predictors for hemorrhagic presentation. Particularly, patients with diffuse AVMs have a higher risk of hemorrhagic presentation than other factors and may need active treatments. However, factors such as age, sex, draining vein stenosis, and associated aneurysms were not associated with hemorrhagic presentation.
引用
收藏
页码:343 / 354
页数:12
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