{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T09:05:54Z","timestamp":1780131954176,"version":"3.54.0"},"reference-count":84,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>Dural arteriovenous fistulas (dAVFs) of the superior sagittal sinus (SSS) are uncommon and represent 5%\u201312% of all intracranial dAVFs. SSS dAVFs can be divided into two main subtypes. The first type involves direct arterialization of the SSS, whereas the second type consists of a parasagittal arteriovenous shunt draining into a cortical vein directly lateral to the SSS and has retrograde cortical venous drainage with only secondary involvement of the SSS. Descriptions of the latter type of SSS dAVF are limited. As such, the authors present a consecutive case series of parasagittal SSS dAVFs from their institution. They detail clinical presentation, treatment strategies, and clinical and radiographic outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>The authors retrospectively reviewed a prospectively collected database of dAVFs that were treated between 2017 and 2023. All dAVFs characterized by an arterialized parasagittal vein directly lateral to the SSS were included in this study. Baseline demographic, clinical, radiological, treatment, and outcome-specific variables of interest were abstracted.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>One hundred fifty-four dAVFs were seen at the authors\u2019 institution over the 6-year period of interest. Eight (5.2%) were parasagittal dAVFs. At initial diagnostic imaging, 7 were Cognard grade III and 1 was grade IV. All patients initially underwent embolization of their dAVF. Three patients did not have complete obliteration of their dAVF after the first embolization. One patient underwent further treatment with repeat embolization, and 1 underwent microsurgical disconnection\u2014both resulted in complete occlusion of the dAVF. Seven dAVFs were obliterated at final follow-up and 1 remained patent as the patient refused further treatment despite angiographic progression of dAVF. All symptomatic patients had resolution of their symptoms, and the average length of follow-up was 16.8 months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>Treatment of parasagittal dAVFs consists of occluding the proximal portion of the parasagittal arterialized draining vein. Endovascular therapy with liquid embolic agents is usually the first line of treatment. Surgical ligation is a valid option if the fistula cannot be successfully obliterated with embolization. Symptoms related to the SSS dAVF resolve after their obliteration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/2023.12.focus23792","type":"journal-article","created":{"date-parts":[[2024,3,1]],"date-time":"2024-03-01T07:01:22Z","timestamp":1709276482000},"page":"E16","source":"Crossref","is-referenced-by-count":6,"title":["Clinical and radiological features of parasagittal dural arteriovenous fistulas: a report of 8 cases from a single institution"],"prefix":"10.3171","volume":"56","author":[{"given":"A. Yohan","family":"Alexander","sequence":"first","affiliation":[{"name":"Departments of Neurologic Surgery and"},{"name":"Medical School, University of Minnesota, Minneapolis, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nitesh P.","family":"Patel","sequence":"additional","affiliation":[{"name":"Departments of Neurologic Surgery and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harry J.","family":"Cloft","sequence":"additional","affiliation":[{"name":"Departments of Neurologic Surgery and"},{"name":"Radiology, Mayo Clinic, Rochester; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppe","family":"Lanzino","sequence":"additional","affiliation":[{"name":"Departments of Neurologic Surgery and"},{"name":"Radiology, Mayo Clinic, Rochester; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Waleed","family":"Brinjikji","sequence":"additional","affiliation":[{"name":"Departments of Neurologic Surgery and"},{"name":"Radiology, Mayo Clinic, Rochester; and"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"3","key":"b1","series-title":"Radiology","first-page":"671","article-title":"Cerebral dural arteriovenous fistulas: clinical and angiographic correlation with a revised classification of venous drainage","volume":"194","author":"Cognard C","year":"1995","unstructured":"Cognard C, Gobin YP, Pierot L,  Cerebral dural arteriovenous fistulas: clinical and angiographic correlation with a revised classification of venous drainage. 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