{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:58:07Z","timestamp":1777730287233,"version":"3.51.4"},"reference-count":18,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T00:00:00Z","timestamp":1529366400000},"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":[[2018,12]]},"abstract":"<jats:sec>\n                    <jats:title>Background and importance<\/jats:title>\n                    <jats:p>Pial arteriovenous fistulas (AVFs) of the brain are treacherous lesions that can be challenging to treat because of high risk of hemorrhage. We report on a rare case of a pial AVF with a giant venous varix as a draining vein treated successfully with flow-directed balloon-assisted Onyx embolization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical presentation<\/jats:title>\n                    <jats:p>A 56-year-old female with headaches underwent brain magnetic resonance imaging, which demonstrated a 4\u2009cm aneurysmal malformation in the right temporal lobe. A diagnostic cerebral angiogram demonstrated a right temporal pial AVF fed by an enlarged right posterior cerebral artery with drainage into a giant venous varix. Onyx embolization was curative using a flow-directed Scepter balloon catheter.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Flow-directed balloon-assisted Onyx embolization can be highly successful for the curative embolization of pial AVFs. Balloon application changes the nature of the lesion from high-flow\u2013high risk to no-flow\u2013low-risk. Using a flow-directed technique with balloon microcatheters may help minimize the risk of intracranial vascular injury.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1591019918781670","type":"journal-article","created":{"date-parts":[[2018,6,20]],"date-time":"2018-06-20T01:25:06Z","timestamp":1529457906000},"page":"702-705","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Onyx embolization of a pial AV fistula with a giant venous varix using a flow-directed Scepter balloon catheter: Technical note"],"prefix":"10.1177","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3266-1359","authenticated-orcid":false,"given":"Andrew S","family":"Griffin","sequence":"first","affiliation":[{"name":"Department of Radiology, Duke University Medical Center, Durham, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicholas","family":"Befera","sequence":"additional","affiliation":[{"name":"Department of Radiology, Duke University Medical Center, Durham, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erik","family":"Hauck","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2018,6,19]]},"reference":[{"key":"bibr1-1591019918781670","first-page":"747","volume":"10","author":"Halbach VV","year":"1989","journal-title":"AJNR Am J Neuroradiol"},{"key":"bibr2-1591019918781670","doi-asserted-by":"publisher","DOI":"10.7461\/jcen.2016.18.3.291"},{"key":"bibr3-1591019918781670","doi-asserted-by":"publisher","DOI":"10.3171\/2011.4.PEDS10577"},{"key":"bibr4-1591019918781670","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/S1052-5149(25)00092-9","volume":"2","author":"Nelson PK","year":"1992","journal-title":"Neuroimaging Clin N Am"},{"key":"bibr5-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-200112000-00011"},{"key":"bibr6-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1227\/NEU.0000000000000220"},{"key":"bibr7-1591019918781670","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A2439"},{"key":"bibr8-1591019918781670","doi-asserted-by":"publisher","DOI":"10.15274\/INR-2014-10040"},{"key":"bibr9-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1016\/j.neurad.2013.10.001"},{"key":"bibr10-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197008272830902"},{"key":"bibr11-1591019918781670","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1982.56.5.0615"},{"key":"bibr12-1591019918781670","first-page":"407","volume":"3","author":"Debrun GM","year":"1982","journal-title":"AJNR Am J Neuroradiol"},{"key":"bibr13-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1016\/j.neurad.2013.08.001"},{"key":"bibr14-1591019918781670","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A2101"},{"key":"bibr15-1591019918781670","doi-asserted-by":"publisher","DOI":"10.3171\/2011.12.FOCUS11323"},{"key":"bibr16-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1016\/j.clineuro.2013.12.001"},{"key":"bibr17-1591019918781670","doi-asserted-by":"publisher","DOI":"10.1007\/s00381-014-2576-3"},{"issue":"2","key":"bibr18-1591019918781670","first-page":"ons238","volume":"73","author":"Jagadeesan BD","year":"2013","journal-title":"Neurosurgery"}],"container-title":["Interventional Neuroradiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1591019918781670","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1591019918781670","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1591019918781670","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T10:58:04Z","timestamp":1777460284000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1591019918781670"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,6,19]]},"references-count":18,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2018,12]]}},"alternative-id":["10.1177\/1591019918781670"],"URL":"https:\/\/doi.org\/10.1177\/1591019918781670","relation":{},"ISSN":["1591-0199","2385-2011"],"issn-type":[{"value":"1591-0199","type":"print"},{"value":"2385-2011","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,6,19]]}}}