Figure 1From: Assessment of endovascular embolization of cerebral arterio-venous malformations in vertebrobasilar domainA, B Left parieto-occipital AVM first session of embolization, hemorrhage occurred on the second day after injection due to increased systolic blood pressure over 140Â mmHg with minor neurological complications in the form of right homonymous hemianopia that improved with conservative treatment after 1Â month. C Second session of embolization after six months, despite injection of large amounts of ONYX, hemorrhage occurred due to rapid change in the hemodynamics within the nidus. D Intraprocedural complication in the form of hematoma due to perforation of the nidus by the wireBack to article page