Lee Jong-Young, Kim Moon-Kyu, Cho Byung-Moon, Park Se-Hyuck, Oh Sae-Moon
Department of Neurosurgery, College of Medicine, Hallym University, Kangdong Sacred Heart, Hospital, Seoul, Korea.
J Korean Neurosurg Soc. 2007 Oct;42(4):281-5. doi: 10.3340/jkns.2007.42.4.281. Epub 2007 Oct 20.
OBJECTIVE: Distal anterior cerebral artery (DACA) aneurysms are fragile and known to have high risks for intraoperative premature rupture and a relatively high associated morbidity. To improve surgical outcomes of DACA aneurysms, we reviewed our surgical strategy and its results postoperatively. METHODS: A total of 845 patients with ruptured cerebral aneurysms were operated in our hospital from January 1991 to December 2005. Twenty-three of 845 patients had ruptured DACA aneurysms which were operated on according to our surgical strategy. Our surgical strategy was as follows; early surgery, appropriate releasing of CSF, appropriate surgical approach, using neuronavigating system, securing the bridging veins, using temporary clipping and/or tentative clipping, meticulous manipulation of aneurysm, and using micro-Doppler flow probe. Twenty of 23 patients who had complete medical records were studied retrospectively. We observed the postoperative radiographic findings and checked Glasgow Outcome Scale score sixth months after the operation. RESULTS: Nineteen DACA aneurysms were clipped through a unilateral interhemispheric approach and one DACA aneurysm was clipped through a pterional approach. Postoperative radiographic findings revealed complete clipping of aneurysmal neck without stenosis or occlusion of parent arteries. In two patients, a residual neck of aneurysm was visualized. Seventeen patients showed good recovery, one patient resulted in moderate disability, while 2 patients died. CONCLUSION: With our surgical strategy it was possible to achieve acceptable surgical morbidity and mortality rates in patients with DACA aneurysms. Appropriate use of tentative clipping, temporary clipping and neuro-navigating systems can give great help for safe approach and clipping of DACA aneurysm.
目的:大脑前动脉远段(DACA)动脉瘤质地脆弱,术中过早破裂风险高,相关发病率也相对较高。为改善DACA动脉瘤的手术效果,我们回顾了手术策略及其术后结果。 方法:1991年1月至2005年12月,我院共对845例破裂脑动脉瘤患者进行了手术。845例患者中有23例为破裂的DACA动脉瘤,均按照我们的手术策略进行了手术。我们的手术策略如下:早期手术、适当释放脑脊液、选择合适的手术入路、使用神经导航系统、保护桥静脉、使用临时夹闭和/或试验性夹闭、精细操作动脉瘤以及使用微型多普勒血流探测仪。对23例有完整病历的患者中的20例进行了回顾性研究。我们观察了术后影像学检查结果,并在术后6个月检查格拉斯哥预后评分。 结果:19例DACA动脉瘤通过单侧纵裂入路夹闭,1例通过翼点入路夹闭。术后影像学检查结果显示动脉瘤颈完全夹闭,载瘤动脉无狭窄或闭塞。2例患者可见动脉瘤残颈。17例患者恢复良好,1例患者中度残疾,2例患者死亡。 结论:采用我们的手术策略,DACA动脉瘤患者可获得可接受的手术发病率和死亡率。适当使用试验性夹闭、临时夹闭和神经导航系统有助于安全地处理和夹闭DACA动脉瘤。
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