Abstract：
OBJECTIVE:We aimed to describe our single-center experience in treating cerebellar arteriovenous malformations (AVMs) with microsurgical resection. METHODS:During a 16-year period, 181 patients with cerebellar AVMs were surgically treated at the Department of Neurosurgery in Beijing Tiantan Hospital. Patient functional status was evaluated using modified Rankin Scale (mRS) scores both before treatment and at the last follow-up. The mRS scores at the last follow-up were dichotomized as good outcome (mRS <3) and poor outcome (mRS ≥3). The treatment modalities, post-treatment complications, obliteration rate, and follow-up outcomes were analyzed. RESULTS:Of the 181 patients, 172 (95%) patients presented with initial hemorrhage and 62 (34%) patients experienced rehemorrhage before microsurgical treatment. Complete obliteration of the AVMs was achieved in 177 (97.8%) patients. Good functional outcome was achieved in 144 (80%) of the patients. The surgical mortality rate was 4.4% (8/181), and overall mortality rate was 6.6% (12/181). Poor outcome was significantly associated with increasing age (P = 0.035; odds ratio [OR], 1.030; 95% CI 1.002-1.060), presurgical mRS ≥3 (P = 0.029; OR, 2.563; 95% CI 1.101-5.968), eloquent AVM location (P = 0.015; OR, 3.058; 95% CI 1.244-7.516), and presurgical rehemorrhage (P = 0.008; OR, 3.266; 95% CI 1.358-7.858). CONCLUSION:Good outcome can be achieved by microsurgical resection in most patients with cerebellar AVMs. Increasing age at surgery, poor presurgical functional status, eloquent AVM location, and presurgical rehemorrhage are independent predictors of poor outcomes after AVM resection. We recommend early surgical resection for all surgically accessible cerebellar AVMs to prevent subsequent hemorrhage and resultant poor neurologic outcomes.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Tong X,Wu J,Lin F,Cao Y,Zhao Y,Wang S,Zhao Jdoi
10.1016/j.wneu.2016.08.059subject
Has Abstractpub_date
2016-11-01 00:00:00pages
469-479eissn
1878-8750issn
1878-8769pii
S1878-8750(16)30727-6journal_volume
95pub_type
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更新日期：2018-02-01 00:00:00
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pub_type： 历史文章,杂志文章,评审
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journal_title：World neurosurgery
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