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. 2019;47(5-6):299-302.
doi: 10.1159/000502314. Epub 2019 Aug 21.

Effect of A Randomized trial of Unruptured Brain Arteriovenous Malformation on Interventional Treatment Rates for Unruptured Arteriovenous Malformations

Alexandra S Reynolds  1   2 , Monica L Chen  1 , Alexander E Merkler  1 , Abhinaba Chatterjee  1 , Iván Díaz  1   3 , Babak B Navi  1 , Hooman Kamel  4
Affiliations

Effect of A Randomized trial of Unruptured Brain Arteriovenous Malformation on Interventional Treatment Rates for Unruptured Arteriovenous Malformations

Alexandra S Reynolds et al. Cerebrovasc Dis. 2019.

Abstract

Background: In 2013, investigators from A Randomized Trial of Unruptured Brain Arteriovenous Malformations (AVM; ARUBA) reported that interventions to obliterate unruptured AVMs caused more morbidity and mortality than medical management.

Objective: We sought to determine whether interventions for unruptured AVM decreased after publication of ARUBA results.

Methods: We used the Nationwide Readmissions Database to assess trends in interventional AVM management in patients ≥18 years of age from 2010 through 2015. Unruptured brain AVMs were identified using International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) code 747.81 and excluding any patient with a diagnosis of intracranial hemorrhage. Our primary outcome was interventional AVM treatment, identified using ICD-9-CM procedure codes for surgical resection, endovascular therapy, and stereotactic radiosurgery. Join-point regression was used to assess trends in the incidence of interventional AVM management among adults from 2010 through 2015.

Results: There was no significant U.S. population level change in unruptured brain AVM intervention rates before versus after ARUBA (p = 0.59), with the incidence of AVM intervention ranging from 8.0 to 9.2 per 10 million U.S. residents before the trial publication to 7.7-8.3 per 10 million afterwards.

Conclusions: In a nationally representative sample, we found no change in rates of interventional unruptured AVM management after publication of the ARUBA trial results.

Keywords: Arteriovenous malformations; Health services research; Neurology; Neurosurgery.

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Conflict of interest statement

Disclosure Statement

The authors have no conflicts of interest to declare.

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