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Table 2: 
Patient AVM grades, embolization results, and adjuvant treatments
AVM S-M GradeNo. Patients% Complete Obliteration Using Embolization (n)Clinical Complications (of Endovascular Procedures)SurgeryRadiosurgery
1367% (2)1 Elective
2560% (3)2
3967% (6)3 Intracerebral hemorrhage, 1 subarachnoid hemorrhage2 Urgent0
41429% (4)2 Intracerebral hemorrhage, 1 extravasation of Onyx6
5128% (1)2 Elective1
Total43
  • Note:—Twenty-nine out of 43 patients have concluded endovascular treatments; the remaining 14 patients are scheduled for further endovascular treatments.