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Effectiveness of Color-Coded Doppler Ultrasonography for Detecting the Trajectory in the Surgical Management of Distal ACA Aneurysms Ayana SAWAYANAGI 1 , Kazutaka SUMITA 1 , Yoji TANAKA 1 , Jun KARAKAMA 1 , Takumi KUDO 1 , Kaoru TAMURA 1 , Takashi SUGAWARA 1 , Motoki INAJI 1 , Tadashi NARIAI 1 , Taketoshi MAEHARA 1 1Department of Neurosurgery, Tokyo Medical and Dental University Keyword: color Doppler imaging , distal anterior cerebral artery aneurysm , surgical trajectory pp.321-327
Published Date 2019/3/10
DOI https://doi.org/10.11477/mf.1436203937

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  • Abstract
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 Distal anterior cerebral artery(DACA)aneurysms are relatively rare. The detection of the surgical trajectory of DACA aneurysmal clipping is difficult because DACA aneurysms are located at various sites in the ACA. The purpose of this study was to evaluate the effectiveness of intraoperative use of color Doppler ultrasonography for the surgery of DACA aneurysms. DACA aneurysms of ten patients(three men, seven women;64.5 years old on median)were examined using intraoperative color Doppler imaging(CDI), which was performed before microscopic procedures, to detect the location of the aneurysms. Among them, six patients had ruptured aneurysms with diameters ranging from 2.5 to 10.8mm, and four of them had intracerebral hematomas. All the aneurysms and surrounding arteries were clearly detected using CDI. Moreover, in larger aneurysms, blood flow dynamics inside the aneurysm were also observed using CDI. As a result, we concluded that the intraoperative use of color Doppler ultrasonography was effective of detecting the trajectory for the DACA aneurysms without causing any damage to the brain by redundant dissections.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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