{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,11]],"date-time":"2026-11-11T08:00:47Z","timestamp":1794384047819,"version":"4.9.0"},"reference-count":29,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,8,1]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>Dural arteriovenous fistulas (dAVFs) are rare cerebrovascular anomalies. Tentorial dAVFs (TDAVFs) have more aggressive features, making them prone to symptomatic presentations and hemorrhage. TDAVFs are heterogenous and require tailored surgical approaches. Presented is a multicenter analysis of TDAVF surgical outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>The Consortium for Dural Arteriovenous Fistula Outcomes Research (CONDOR) consortium compiled data on dAVFs from 16 international centers from 1990 to 2021 retrospectively. Microsurgical treatment success was defined as angiographically confirmed complete obliteration of the fistula or discontinuation of cortical venous drainage (CVD) in high-grade TDAVFs. TDAVF subtypes and tailored surgical approaches were reviewed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Of 1360 patients in CONDOR, 161 had TDAVFs and 27% (44\/161) of these patients underwent surgical management, with the majority (52% [23\/44]) receiving surgery as a salvage treatment following failed embolization. The mean age (SD) of this cohort was 56 (15) years, and 68% (30\/44) were male. In total, 91% (40\/44) of surgically treated patients presented with aggressive symptoms: 64% (28\/44) presented with hemorrhage and 27% (12\/44) with nonhemorrhagic neurological deficit (NHND). The median (IQR) duration from symptom onset to diagnosis was 1 (1\u20134) day. The median time (IQR) between diagnosis and surgery was 15 (3\u201380) days. Surgical approaches varied across the cohort, with the retrosigmoid being the most common (44% [18\/41]), followed by the midline suboccipital (24% [10\/41]) and occipital (15% [6\/41]) approaches. Perioperative complications occurred in 11% (5\/44) of cases, as well as permanent neurological deficits in 2% (1\/44). Surgical success was achieved in 90% of patients (38\/42). During the mean 3-year follow-up, 2 patients experienced a recurrence of their fistula including representation of CVD (2\/38 [5%]) and 1 patient had a new NHND (1\/43 [2%]). Shorter symptom duration was significantly associated with success (15.6 vs 181.5 days, p = 0.001). Primary versus salvage microsurgery showed no difference in outcomes. Both patients with recurrent fistula were effectively treated with Gamma Knife radiosurgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>Resection is safe and durable for the treatment of TDAVF not otherwise amenable to embolization. It can achieve a high degree of success with a low rate of perioperative complications and permanent neurological deficits, benefits far exceeding the risks associated with TDAVF natural history or management with less effective modalities.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/2025.11.jns251185","type":"journal-article","created":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T16:11:35Z","timestamp":1776442295000},"page":"424-435","source":"Crossref","is-referenced-by-count":1,"title":["Microsurgical management of tentorial dural arteriovenous fistula: an analysis from the Consortium for Dural Arteriovenous Fistula Outcomes Research (CONDOR)"],"prefix":"10.3171","volume":"145","author":[{"given":"Hana","family":"Hallak","sequence":"first","affiliation":[{"name":"Department of Neurological Surgery, Washington University in St. Louis, Missouri;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle","family":"Connor","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Washington University in St. Louis, Missouri;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppe","family":"Lanzino","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery and"},{"name":"Radiology, Mayo Clinic, Rochester, Minnesota;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Louis","family":"Kim","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael R.","family":"Levitt","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"},{"name":"Radiology, and"},{"name":"Mechanical Engineering, University of Washington, Seattle, Washington;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minako","family":"Hayakawa","sequence":"additional","affiliation":[{"name":"Departments of Radiology,"},{"name":"Neurology, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edgar","family":"Samaniego","sequence":"additional","affiliation":[{"name":"Departments of Radiology,"},{"name":"Neurology, and"},{"name":"Neurosurgery, University of Iowa, Iowa City, Iowa;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sepideh","family":"Amin-Hanjani","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Illinois Chicago, Illinois;"},{"name":"Department of Neurosurgery, University Hospitals Cleveland Medical Center\/Case Western Reserve University School of Medicine, Cleveland, Ohio"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Alaraj","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Illinois Chicago, Illinois;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert M.","family":"Starke","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Miami;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adib A.","family":"Abla","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Miami;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Koch","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Florida, Gainesville, Florida;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abeer","family":"Dagra","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Florida, Gainesville, Florida;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason P.","family":"Sheehan","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Colin P.","family":"Derdeyn","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bradley A.","family":"Gross","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh, Pennsylvania;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junichiro","family":"Satomi","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Tokushima, Japan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshiteru","family":"Tada","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Tokushima, Japan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. Marc C.","family":"Van Dijk","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University Medical Center Groningen, University of Groningen, The Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adriaan R. E.","family":"Potgieser","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University Medical Center Groningen, University of Groningen, The Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diederik O.","family":"Bulters","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Wessex Neurological Centre, University Hospital Southampton, United Kingdom;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rose","family":"Du","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Massachusetts;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Lawton","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isaac Josh","family":"Abecassis","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Louisville, Kentucky; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua W.","family":"Osbun","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Washington University in St. Louis, Missouri;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory J.","family":"Zipfel","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Washington University in St. Louis, Missouri;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"5","key":"b1","series-title":"Stroke","first-page":"1156","article-title":"Scottish Intracranial Vascular Malformation Study (SIVMS): evaluation of methods, ICD-10 coding, and potential sources of bias in a prospective, population-based cohort","volume":"34","author":"Al-Shahi R","year":"2003","unstructured":"Al-Shahi R, Bhattacharya JJ, Currie DG,  Scottish Intracranial Vascular Malformation Study (SIVMS): evaluation of methods, ICD-10 coding, and potential sources of bias in a prospective, population-based cohort. 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