{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T23:09:11Z","timestamp":1749683351463,"version":"3.37.3"},"reference-count":6,"publisher":"Georg Thieme Verlag KG","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Neurol Surg A Cent Eur Neurosurg"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Background\u2003Chiari malformations, usually congenital, can rarely be associated with arteriovenous (AV) fistulas. We present the first case involving a type IV dural AV fistula with a Chiari type I malformation.<\/jats:p><jats:p>\n          Methods\u2003Retrospective chart review was performed to obtain pertinent details regarding history and examination, pathologic findings, and treatment course.<\/jats:p><jats:p>\n          Results\u2003A 63-year-old woman with a 2-year history of migraines presented with 5 months of occipital, right-sided headaches and neck pain exacerbated by Valsalva maneuvers. Computed tomography (CT) and magnetic resonance imaging (MRI) of the head showed a possible right occipital AV malformation, bilateral cerebellar subdural hygromas, and tonsillar crowding at the foramen magnum indicating an acquired Chiari type I malformation. Angiography demonstrated a Cognardtype IV right posterior occipital dural AV fistula supplied by bilateral middle meningeal and posterior meningeal arteries.<\/jats:p><jats:p>\n          Conclusion\u2003After treatment of the dural AV fistula, hygroma evacuation, and decompression of the acquired Chiari malformation, the patient's Valsalva-induced headaches abated.<\/jats:p>","DOI":"10.1055\/a-1792-5000","type":"journal-article","created":{"date-parts":[[2022,3,10]],"date-time":"2022-03-10T00:03:18Z","timestamp":1646870598000},"page":"094-099","source":"Crossref","is-referenced-by-count":1,"title":["Acquired Chiari Type I Malformation Associated with Type IV Dural Arteriovenous Fistula: Case Report"],"prefix":"10.1055","volume":"85","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6507-0884","authenticated-orcid":false,"given":"Diego D.","family":"Luy","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nitin","family":"Agarwal","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael M.","family":"McDowell","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel A.","family":"Tonetti","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ezequiel","family":"Goldschmidt","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert M.","family":"Friedlander","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2022,7,4]]},"reference":[{"key":"ref1","first-page":"137","article-title":"Basichondrocranium anomalies in adult Chiari type I malformation: a morphometric study","volume":"99","author":"A Vega","year":"1990","journal-title":"J NeurolSci"},{"key":"ref2","first-page":"28","article-title":"Acquired Chiari malformation Type I associated with a supratentorialarteriovenous malformation. Case report and review of the literature","volume":"104","author":"B A O'Shaughnessy","year":"2006","journal-title":"J Neurosurg"},{"issue":"04","key":"ref3","doi-asserted-by":"crossref","first-page":"604","DOI":"10.3171\/jns.1981.55.4.0604","article-title":"Chiari I \u201cmalformations\u201d: an acquired disorder?","volume":"55","author":"K Welch","year":"1981","journal-title":"J Neurosurg"},{"issue":"06","key":"ref4","first-page":"1381","article-title":"Resection of a giant intracranial dural arteriovenous fistula with the use of low-flow deep hypothermic cardiopulmonary bypass after partial embolization: technical case report","volume":"48","author":"H Dufour","year":"2001","journal-title":"Neurosurgery"},{"issue":"04","key":"ref5","doi-asserted-by":"crossref","first-page":"1202","DOI":"10.3171\/2019.5.JNS19297","article-title":"Use of a near-infrared vein finder to define cortical veins and dural sinuses prior to dural opening","volume":"133","author":"E Goldschmidt","year":"2020","journal-title":"J Neurosurg"},{"issue":"03","key":"ref6","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1007\/BF00301078","article-title":"Reversible tonsillar prolapse in vein of Galen aneurysmal malformations: report of eight cases and pathophysiological hypothesis","volume":"10","author":"N Girard","year":"1994","journal-title":"Childs NervSyst"}],"container-title":["Journal of Neurological Surgery Part A: Central European Neurosurgery"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.1055\/a-1792-5000.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,11,5]],"date-time":"2024-11-05T11:02:52Z","timestamp":1730804572000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.1055\/a-1792-5000"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,3,9]]},"references-count":6,"journal-issue":{"issue":"01","published-online":{"date-parts":[[2024,1,3]]},"published-print":{"date-parts":[[2024,1]]}},"URL":"https:\/\/doi.org\/10.1055\/a-1792-5000","archive":["Portico","CLOCKSS"],"relation":{},"ISSN":["2193-6315","2193-6323"],"issn-type":[{"type":"print","value":"2193-6315"},{"type":"electronic","value":"2193-6323"}],"subject":[],"published-other":{"date-parts":[[2022,3,9]]},"published":{"date-parts":[[2022,3,9]]}}}