Neuroradiology · 2008
Endovascular treatment of tiny ruptured anterior communicating artery aneurysms.
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Tsutsumi Masanori, Aikawa Hiroshi, Onizuka Masanari, Kodama Tomonobu, Nii Kouhei, Matsubara Shuko, Iko Minoru, Etou Housei, Sakamoto Kimiya, Kazekawa Kiyoshi
Аннотация
INTRODUCTION: Because of its high complication rate, the endovascular treatment (EVT) of anterior communicating artery (ACoA) aneurysms less than 3 mm in maximum diameter remains controversial. We evaluated EVT of tiny ruptured ACoA aneurysms with Guglielmi detachable coils (GDCs).
METHODS: We treated 19 ruptured ACoA aneurysms with a maximum diameter of <or=3 mm with GDCs. The pretreatment Hunt and Hess score was grade 1 in four patients, grade 2 in six, grade 3 in six, and grade 4 in three. The patients were clinically assessed before and after treatment and with multiple angiographic follow-up studies.
RESULTS: All EVTs were successful; there were no aneurysm perforations or any other treatment-related complications. In five patients older than 80 years the transfemoral approach was difficult, and the direct carotid approach was used. Complete and near-complete occlusion was achieved in 16 patients (84.2%) and 3 patients (15.8%), respectively. Of the 19 patients, 16 (84.2%) were followed angiographically for a median of 38.5 months (range 16-72 months). None demonstrated recanalization of the aneurysm requiring additional treatment. In 15 patients (78.9%) the final outcome was good (modified Rankin scale, mRS, score 0-2), and 3 patients (15.8%) died or suffered severe disability (mRS score 4-6). None of 18 patients who were followed clinically for a median of 39.5 months (range 17-84 months) experienced rebleeding.
CONCLUSION: Even tiny ruptured ACoA aneurysms can be safely treated by EVT by expert neurointerventionalists using advanced techniques.
METHODS: We treated 19 ruptured ACoA aneurysms with a maximum diameter of <or=3 mm with GDCs. The pretreatment Hunt and Hess score was grade 1 in four patients, grade 2 in six, grade 3 in six, and grade 4 in three. The patients were clinically assessed before and after treatment and with multiple angiographic follow-up studies.
RESULTS: All EVTs were successful; there were no aneurysm perforations or any other treatment-related complications. In five patients older than 80 years the transfemoral approach was difficult, and the direct carotid approach was used. Complete and near-complete occlusion was achieved in 16 patients (84.2%) and 3 patients (15.8%), respectively. Of the 19 patients, 16 (84.2%) were followed angiographically for a median of 38.5 months (range 16-72 months). None demonstrated recanalization of the aneurysm requiring additional treatment. In 15 patients (78.9%) the final outcome was good (modified Rankin scale, mRS, score 0-2), and 3 patients (15.8%) died or suffered severe disability (mRS score 4-6). None of 18 patients who were followed clinically for a median of 39.5 months (range 17-84 months) experienced rebleeding.
CONCLUSION: Even tiny ruptured ACoA aneurysms can be safely treated by EVT by expert neurointerventionalists using advanced techniques.