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Microsurgical resection of Spetzler–Martin grades 1 and 2 unruptured brain arteriovenous malformations results in lower long-term morbidity and loss of quality-adjusted life-years (QALY) than conservative management—results of a single group series

Vascular MalformationVascular SurgeryExtracranial ComplicationsSurgeryNeurologyBrain InjurySingle Group SeriesSpetzler–martin Grades 1NeuropathologyMedicineCerebrovascular InterventionNeurovascular DiseaseClinical NeurosurgeryMicrosurgical ResectionNeurological Surgery