• Toshinari Meguro, Ken Kuwahara, Yusuke Tomita, Yu Okuma, Tomoyuki Tanabe, Kenichiro Muraoka, Kinya Terada, Nobuyuki Hirotsune, and Shigeki Nishino.
• Department of Neurological Surgery, Hiroshima City Hospital.
• No Shinkei Geka. 2014 Oct 1;42(10):917-23.

AbstractIschemic stroke of the anterior choroidal artery(AChA)is the most common and serious complication after AChA aneurysm treatment. The purpose of this study was to retrospectively evaluate and compare the treatment-related ischemic complications after surgical clipping and endovascular coiling of AChA aneurysms.
Between June 2006 and March 2013, 32 patients with 34 AChA aneurysms were treated in our hospital by surgical clipping or endovascular coiling. There were 12 cases of ruptured aneurysms, seven cases of unruptured aneurysms, and 15 cases of incidentally identified unruptured aneurysms. Of the 34 aneurysms, 19 were managed with surgical clipping and 15 were managed with endovascular coiling. No rebleeding or retreatment occurred in any case during 4-84 months(median, 25 months)of follow-up, and no significant differences in clinical outcome were seen between clipping and coiling cases. Although there were four cases(11.8%;surgical clipping in three;endovascular coiling in one)of postoperative AChA infarction, we believe that we preserved the blood flow of the AChA during the procedure. The occurrence of subarachnoid hemorrhage and premature rupture during surgical clipping were significantly correlated with AChA infarction.

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