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目的 探讨三维数字减影血管造影 (3DDSA)在脑动脉瘤血管内栓塞治疗及随访中的价值。方法 对 4 9例疑诊或确诊动脉瘤的病例 ,术前、栓塞术中行 3DDSA检查 ,其中 10例作 3DDSA随访。结果 4 9例中经 3DDSA证实共检出 4 7例 5 3个动脉瘤 ,3DDSA对动脉瘤形状、瘤颈及瘤颈与载瘤血管关系能更好地显示 ,准确判断动脉瘤血管内栓塞的可行性 ,并为栓塞治疗提供最佳工作角度。 12例病人因 3DDSA检查而改变了原来的治疗方法。3DDSA尚可准确判断动脉瘤的栓塞程度及有无复发。结论 3DDSA可提高颅内动脉瘤血管内栓塞的安全性 ,并有助于随访研究。
Objective To investigate the value of three-dimensional digital subtraction angiography (3DDSA) in the treatment and follow-up of endovascular embolization of cerebral aneurysms. Methods A total of 49 cases of suspected or confirmed aneurysms were examined by 3DDSA before and after embolization. Ten cases were followed up for 3DDSA. Results Forty-seven cases of 53 aneurysms were confirmed by 3DDSA in 4 of 9 cases. 3DDSA showed better correlation with aneurysm shape, tumor neck and tumor-bearing vessels and vessel-bearing vessels. Accurate assessment of aneurysm endovascular embolization Feasibility and provide the best working angle for embolization. Twelve patients changed their original treatment for 3DDSA. 3DDSA can still accurately determine the degree of aneurysm embolism and recurrence. Conclusion 3DDSA can improve the safety of intracranial aneurysm endovascular embolization and help to follow-up study.