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  1. C100 医学部/医学系研究科
  2. C100b 紀要
  3. Nagoya journal of medical science
  4. 82(2)

Initial experience with in vivo “endovascular shaping” technique that utilizes the vascular configuration for small cerebral aneurysm coiling

https://doi.org/10.18999/nagjms.82.2.355
https://doi.org/10.18999/nagjms.82.2.355
a2ed2356-6334-4557-a112-108e9c6cc6e2
名前 / ファイル ライセンス アクション
19_Hanaoka.pdf 19_Hanaoka.pdf (11.0 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-06-01
タイトル
タイトル Initial experience with in vivo “endovascular shaping” technique that utilizes the vascular configuration for small cerebral aneurysm coiling
著者 Hanaoka, Yoshiki

× Hanaoka, Yoshiki

WEKO 99367

Hanaoka, Yoshiki

Search repository
Koyama, Jun-ichi

× Koyama, Jun-ichi

WEKO 99368

Koyama, Jun-ichi

Search repository
Yamazaki, Daisuke

× Yamazaki, Daisuke

WEKO 99369

Yamazaki, Daisuke

Search repository
Miyaoka, Yoshinari

× Miyaoka, Yoshinari

WEKO 99370

Miyaoka, Yoshinari

Search repository
Fujii, Yu

× Fujii, Yu

WEKO 99371

Fujii, Yu

Search repository
Nakamura, Takuya

× Nakamura, Takuya

WEKO 99372

Nakamura, Takuya

Search repository
Ogiwara, Toshihiro

× Ogiwara, Toshihiro

WEKO 99373

Ogiwara, Toshihiro

Search repository
Ito, Kiyoshi

× Ito, Kiyoshi

WEKO 99374

Ito, Kiyoshi

Search repository
Horiuchi, Tetsuyoshi

× Horiuchi, Tetsuyoshi

WEKO 99375

Horiuchi, Tetsuyoshi

Search repository
キーワード
主題Scheme Other
主題 cerebral aneurysm
キーワード
主題Scheme Other
主題 coil embolization
キーワード
主題Scheme Other
主題 microcatheter tip
キーワード
主題Scheme Other
主題 shaping
抄録
内容記述 Optimal shaping of a microcatheter tip is a key factor in cerebral aneurysm coiling. However, safe cannulation and stabilization of a microcatheter can be technically challenging with small aneurysms requiring precise microcatheter shaping. We devised a new microcatheter shaping technique which bends a microcatheter tip in the intended direction by placing and keeping the tip in the selected branch of the parent artery for 5 minutes: endovascular shaping technique. Our method can complete microcatheter shap-ing only inside the patient’s body; an endovascularly shaped microcatheter will never face a straightening deformity and rotation problem associated with catheter reinsertion. The aim was to assess the feasibility and safety of endovascular shaping for small aneurysm coiling. Clinically, 10 consecutive challenging small terminal-type aneurysms (< 5 mm) treated with endovascular shaping were included. We retrospectively analyzed the newly acquired bend angle of a microcatheter tip after the shaping, the procedural success, and clinical outcomes. An artificial vascular model was used to confirm our findings. In all the 10 patients (three middle cerebral artery, four anterior communicating artery, and three basilar artery aneurysms), the endovascularly shaped microcatheters were bent toward the placement branch at an average of 21.7° and excellently guided into the aneurysms. Coil embolization was successfully accomplished without any complications. The results of the vascular model experiment demonstrated that an endovascularly shaped microcatheter acquired new bend angle toward the placement branch. Endovascular shaping was feasible and safe for small terminal-type aneurysm coiling. Our method can provide accurate shaping and stability during aneurysm coiling procedure.
内容記述タイプ Abstract
出版者
出版者 Nagoya University Graduate School of Medicine, School of Medicine
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.18999/nagjms.82.2.355
ID登録タイプ JaLC
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/822.html
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0027-7622
ISSN(Online)
収録物識別子タイプ ISSN
収録物識別子 2186-3326
書誌情報 Nagoya Journal of Medical Science

巻 82, 号 2, p. 355-362, 発行日 2020-05
著者版フラグ
値 publisher
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