{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T06:00:51Z","timestamp":1785477651591,"version":"3.56.0"},"reference-count":32,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T00:00:00Z","timestamp":1785456000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Neurol."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Despite the growing adoption of trans-radial access in neurointervention, no validated scoring system currently exists to predict procedural difficulty of trans-radial cerebral angiography.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To develop and validate a scoring system for pre-procedural assessment of trans-radial cerebral angiography difficulty.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>We recruited consecutive patients who underwent trans-radial cerebral angiography between June 2024 and April 2025. Patients were grouped according to the modified operator rating scale based on previous literature and assigned to either the easy or hard group. Baseline characteristics, imaging measurements, procedural information, and complications were recorded. The scoring system was developed through multivariable logistic regressions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Forty-nine patients were included in this study (mean age, 63.53\u202f\u00b1\u202f1.57\u202fyears, 31 men). The easy group included 26 patients, and the hard group included 23 patients. Independent predictors of trans-radial cerebral angiography difficulty were diameter of aortic arch at apex \u226528\u202fmm (OR\u202f=\u202f4.651, 95% CI\u202f=\u202f1.099\u201319.658,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.037) and total number of vascular angulations (OR\u202f=\u202f3.680, 95% CI\u202f=\u202f1.441\u20139.395,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.006). A scoring system (range: 0\u20135 points) was derived, with scores \u2265 3 indicating high difficulty.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Patients with a larger diameter of aortic arch, and more tortuous vessels have a higher difficulty of trans-radial cerebral angiography. This scoring system may be useful for predicting difficulty in pre-procedural trans-radial cerebral angiography.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fneur.2026.1762959","type":"journal-article","created":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T05:38:48Z","timestamp":1785476328000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["A scoring system for predicting the difficulty of trans-radial cerebral angiography"],"prefix":"10.3389","volume":"17","author":[{"given":"Bing-Sen","family":"Xie","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, the First Affiliated Hospital of Fujian Medical University","place":["Fuzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao-Rong","family":"Shan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, the People\u2019s Hospital of Yuanzhou District","place":["Guyuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Hong","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Neurology, the People\u2019s Hospital of Yuanzhou District","place":["Guyuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, the People\u2019s Hospital of Yuanzhou District","place":["Guyuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shufa","family":"Zheng","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, the First Affiliated Hospital of Fujian Medical University","place":["Fuzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, the People\u2019s Hospital of Yuanzhou District","place":["Guyuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin-Long","family":"Wan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, the People\u2019s Hospital of Yuanzhou District","place":["Guyuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"De-Zhi","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, the First Affiliated Hospital of Fujian Medical University","place":["Fuzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,7,31]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1328","DOI":"10.3171\/2023.9.JNS23941","article-title":"Transradial versus transfemoral access routes for diagnostic cerebral angiography: a large single-center comparative cost-analysis study","volume":"140","author":"Atallah","year":"2024","journal-title":"J 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