{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T14:05:53Z","timestamp":1777730753858,"version":"3.51.4"},"reference-count":13,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2022,11,27]],"date-time":"2022-11-27T00:00:00Z","timestamp":1669507200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Interv Neuroradiol"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:p>Neurointervention via transradial access (TRA) is challenging when the radial artery is narrow. We performed aneurysm embolization via TRA using a novel 3-Fr guiding sheath (GS) (Axcelguide; Medikit, Tokyo, Japan) with an outer diameter of only 1.76 mm for patients with a radial artery of inner diameter less than 2 mm, and described the whole procedure and pitfalls as a technical note. Here, we present two patients with radial arteries less than 2 mm. One patient had a narrow neck intracranial aneurysm at the bifurcation of the left vertebral artery and posterior inferior cerebellar artery, which was embolized with the primary coiling technique. The other was a patient with a wide-necked extracranial aneurysm in the cavernous portion of the right internal carotid artery, which was embolized with the transcell technique with stent. We utilized a 3-Fr GS, distal access catheter, and a 0.0165-inch microcatheter for coil embolization. All aneurysms were completely occluded, without neurological or puncture site-related complications including subcutaneous hematoma, radial artery occlusion, and vasospasm. This report provides the first description of neurointervention using a 3-Fr GS. The 3-Fr GS contributed to successful completion of TRA aneurysm embolization without neurological or puncture site-related complications in patients with radial arteries narrower than 2 mm. The 3-Fr GS may be useful to accomplish aneurysmal embolization via TRA even in patients with a small radial artery.<\/jats:p>","DOI":"10.1177\/15910199221142093","type":"journal-article","created":{"date-parts":[[2022,11,28]],"date-time":"2022-11-28T02:20:51Z","timestamp":1669602051000},"page":"291-295","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["A novel 3-Fr guiding sheath for transradial access in aneurysm embolization: Technical note"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0517-6617","authenticated-orcid":false,"given":"Michiyasu","family":"Fuga","sequence":"first","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshihide","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rintaro","family":"Tachi","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryoto","family":"Wachi","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akihiko","family":"Teshigawara","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1044-5604","authenticated-orcid":false,"given":"Toshihiro","family":"Ishibashi","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuzuru","family":"Hasegawa","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuichi","family":"Murayama","sequence":"additional","affiliation":[{"name":"Jikei University School of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,11,27]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1136\/neurintsurg-2021-017325"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1136\/neurintsurg-2021-018032"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/ccd.25508"},{"key":"e_1_3_4_5_2","doi-asserted-by":"crossref","unstructured":"Rashid M Kwok CS Pancholy S et al. 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