Intervention for A randomized trial of unruptured brain arteriovenous malformations (ARUBA) - Eligible patients: An evidence-based review. 2016

Christopher S Hong, and Eric C Peterson, and Dale Ding, and Samir Sur, and David Hasan, and Aaron S Dumont, and Nohra Chalouhi, and Pascal Jabbour, and Robert M Starke
Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, USA.

While intervention for ruptured arteriovenous malformations (AVMs) of the brain is typically warranted, the management of unruptured AVMs remains controversial. Despite numerous retrospective studies, only one randomized controlled trial has been conducted, comparing the role of medical management alone to medical management plus surgical and/or radiosurgical intervention in patients with unruptured AVMs: A Randomized Trial of Unruptured Brain Arteriovenous Malformations (ARUBA). To great controversy, ARUBA concluded that medical management alone was superior to intervention for unruptured AVMs, which was subsequently challenged by various single-institution and multi-center studies analyzing outcomes of ARUBA-eligible patients. This review summarizes studies returned from a PubMed database search querying, 'ARUBA,' 'ARUBA-eligible,' 'surgery unruptured AVM,' and "radiosurgery unruptured AVM". The rates of the primary endpoint of symptomatic stroke or death were low among the analyzed studies (0-12.2%, mean 8.0%) and similar to the medically managed arm of ARUBA (10.1%). Likewise, the percentage of patients with impaired functional outcomes (modified Rankin score ≥2) in the reviewed studies was low (5.9%-13.1%; mean: 9.9%) and comparable to the 14.0% observed in the medically management arm of ARUBA. The key findings of ARUBA and subsequent work in its aftermath are overviewed and analyzed for the role of surgery and/or radiosurgery in patients with unruptured AVMs.

UI MeSH Term Description Entries
D002538 Intracranial Arteriovenous Malformations Congenital vascular anomalies in the brain characterized by direct communication between an artery and a vein without passing through the CAPILLARIES. The locations and size of the shunts determine the symptoms including HEADACHES; SEIZURES; STROKE; INTRACRANIAL HEMORRHAGES; mass effect; and vascular steal effect. Arteriovenous Malformations, Cerebral,Intracranial Arteriovenous Malformations, Congenital,AVM (Arteriovenous Malformation) Intracranial,Cerebral Arteriovenous Malformations,Congenital Intracranial Arteriovenous Malformations,Intracranial Arteriovenous Malformation, Ruptured,Ruptured Intracranial Arteriovenous Malformation,Arteriovenous Malformation, Cerebral,Arteriovenous Malformation, Intracranial,Arteriovenous Malformations, Intracranial,Cerebral Arteriovenous Malformation,Intracranial Arteriovenous Malformation,Malformation, Cerebral Arteriovenous,Malformation, Intracranial Arteriovenous,Malformations, Cerebral Arteriovenous,Malformations, Intracranial Arteriovenous
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001164 Arteriovenous Fistula An abnormal direct communication between an artery and a vein without passing through the CAPILLARIES. An A-V fistula usually leads to the formation of a dilated sac-like connection, arteriovenous aneurysm. The locations and size of the shunts determine the degree of effects on the cardiovascular functions such as BLOOD PRESSURE and HEART RATE. Aneurysm, Arteriovenous,Arteriovenous Aneurysm,Arteriovenous Fistulas,Fistula, Arteriovenous,Fistulas, Arteriovenous
D016032 Randomized Controlled Trials as Topic Works about clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table. Clinical Trials, Randomized,Controlled Clinical Trials, Randomized,Trials, Randomized Clinical

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