Conclusion Intraoperative angiography is able to detect unexpected residual aneurysm, AVM nidus, and major artery occlusion, helps modify the technical faults, thus preventing re-operation, and decreases the complication rate in cerebrovascular surgery.

• 结论术中脑血管造影有助于医师及时发现残余动脉瘤或AVM,载瘤动脉闭塞,立即修正技术缺陷,避免再次手术,降低手术后合并症。