{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T23:53:23Z","timestamp":1790639603899,"version":"4.1.0"},"reference-count":27,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2023,1,5]],"date-time":"2023-01-05T00:00:00Z","timestamp":1672876800000},"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":[[2025,2]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Thoraco-lumbar spinal dural arteriovenous fistulae represent a rare subset of central nervous system vascular malformations. One of the unique features of spinal dural arteriovenous fistulae is their extremely low propensity to cause hemorrhage (either parenchymal or subarachnoid), with a distinct clinical presentation of myelopathy secondary to spinal venous congestion. The exact mechanism for this unique presentation is still unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Following institutional review board approval, we retrospectively analyzed our prospectively maintained database of spinal dural arteriovenous fistulae and cranial (cr) DAVF cases presenting between 2008 and 2021. For all cases, angiograms were reviewed and arteriovenous transit times were calculated. Patient demographics, angiographic features, and clinical and radiological outcomes were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, 66 patients presenting with confirmed thoracolumbar spinal dural arteriovenous fistulaes were identified and compared to patients presenting with cervical spinal dural arteriovenous fistulaes (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009\u2009=\u2009\u200910), ruptured crDAVFs (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009\u2009=\u2009\u200932) and unruptured crDAVFs (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009\u2009=\u2009\u200920). Mean age in the target group was 66\u2009\u2009\u00b1\u2009\u200913 versus 57\u201362 in the other groups,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05 on one-way analysis of variance; with 80% males versus 50%\u201365% in other groups. Mean arteriovenous transit time in the thoracolumbar group measured 1.98 s\u2009\u00b1\u20090.96 versus 0.25\u20130.5 s range in other groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.0001 on one-way analysis of variance).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Prolonged arteriovenous transit times may represent a distinct feature of thoracolumbar spinal dural arteriovenous fistulaes. This may, amongst other factors, play a role in the observed lesser likelihood of hemorrhagic complications compared to other dural arteriovenous shunts.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15910199221149096","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T01:06:54Z","timestamp":1672967214000},"page":"57-62","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Thoracolumbar spinal dural arteriovenous fistulae present with longer arteriovenous transit compared to cranial and cervical dural fistulae"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8320-4129","authenticated-orcid":false,"given":"Ze\u2019ev","family":"Itsekzon-Hayosh","sequence":"first","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"},{"name":"Departments of Neurology and Neurovascular Disorders, Sheba Medical Center, Affiliated to Tel Aviv University, Sackler Faculty of Medicine, Ramat Gan, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eef J","family":"Hendriks","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sean T","family":"O\u2019Reilly","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rabab","family":"Al Shahrani","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronit","family":"Agid","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7182-5112","authenticated-orcid":false,"given":"Patrick","family":"Nicholson","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karel","family":"Terbrugge","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of 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Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timo","family":"Krings","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, Canada"},{"name":"Department of Neurosurgery, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, ON, 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