Objective To explore the safety and effectiveness of early microsurgical removal of bleeding arteriovenous malformations. Methods The clinical data of 46 patients with AVM by early microsurgical treatment in our hospital from January 2015 to April 2019 were retrospectively reviewed in the acute stage of bleeding(within the first week after bleed). All patients showed a cerebral AVM on DSA or CTA at admission. Results In the 46 patients, total resection was achieved in 40 cases(86.9%, 40/46). A favorable functional outcome was observed in 26 patients, 13 cases were mild disability, 5 cases were severe disability, and 2 patients died. The patients with high Spetzler-Martin(SM)grade, volume hematoma larger than 50 ml, AVM located in cerebellar resulted in poor outcomes. Conclusion Early microsurgery for bleeding AVMs is a safe and definitive treatment. It achieves both immediate cerebral decompression and protection against rebreeding, resects cerebral AVMs totally, avoids neurologic comprimise and allows a more rapid rehabilitative course whenever necessary.
Journal of Molecular Imaging