{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T16:50:29Z","timestamp":1789577429943,"version":"build-2803163510"},"reference-count":16,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"\nBackground: <\/jats:title>\nMiddle meningeal artery (MMA) pseudoaneurysm following revascularization surgery for moyamoya disease (MMD) is rare.<\/jats:p>\n<\/jats:sec>\n\nCase Description: <\/jats:title>\nHere, a 29-year-old man presented with an MMA pseudoaneurysm after he underwent revascularization surgery (superficial temporal artery-to-middle cerebral artery bypass and encephalo-duro-myoarterio-pericranial synangiosis) for hemorrhagic MMD. At 3 months post-surgery, digital subtraction angiography showed a pseudoaneurysm in the right MMA. Transdural anastomosis to the parietal and occipital lobes was opacified at the distal MMA of the pseudoaneurysm. Intra-aneurysmal coil embolization was performed for preservation of transdural anastomosis. The postoperative course was uneventful. At 1 month post-embolization, angiography revealed an entirely occluded pseudoaneurysm.<\/jats:p>\n<\/jats:sec>\n\nConclusion: <\/jats:title>\nAn increase in blood flow in the MMA due to bypass surgery may accelerate aneurysm development by increasing the hemodynamic stress. This case suggested that intra-aneurysmal embolization may be a potential treatment.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_224_2023","type":"journal-article","created":{"date-parts":[[2023,4,28]],"date-time":"2023-04-28T08:39:21Z","timestamp":1682671161000},"page":"157","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Coil embolization for post-bypass aneurysm of middle meningeal artery for moyamoya disease \u2013 preservation of transdural anastomosis"],"prefix":"10.25259","volume":"14","author":[{"given":"Kunitaka","family":"Maruyama","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Toyama University Hospital, Sugitani, Toyama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daina","family":"Kashiwazaki","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Toyama University Hospital, Sugitani, Toyama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shusuke","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Toyama University Hospital, Sugitani, Toyama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoki","family":"Akioka","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Toyama, Sugitani, Toyama, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emiko","family":"Hori","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Toyama, Sugitani, Toyama, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Satoshi","family":"Kuroda","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Toyama, Sugitani, Toyama, 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