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Patulous Eustachian tube was identified by observation of synchronous movement of the tympanic membrane with respiration and swallowing. The diagnosis of spontaneous intracranial hypotension was confirmed by negative cerebrospinal fluid pressure, and typical magnetic resonance imaging and radioisotope cisternography findings. All symptoms completely resolved within a few days after epidural blood patch treatment. Changes in the venous blood distribution led by collapse of the dural sac of the cervical spine in the standing position presumably caused decreased size of the pterygoid venous plexus around the Eustachian tube.<\/jats:p>","DOI":"10.1111\/j.1526-4610.2006.00661.x","type":"journal-article","created":{"date-parts":[[2007,1,16]],"date-time":"2007-01-16T05:29:52Z","timestamp":1168925392000},"page":"131-135","source":"Crossref","is-referenced-by-count":8,"title":["Patulous Eustachian Tube in Spontaneous Intracranial Hypotension Syndrome"],"prefix":"10.1111","volume":"47","author":[{"given":"Toru","family":"Horikoshi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunichi","family":"Imamura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zensei","family":"Matsuzaki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takako","family":"Umeda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mikito","family":"Uchida","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kentaro","family":"Mitsuka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Kinouchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,1,15]]},"reference":[{"key":"e_1_2_4_2_2","doi-asserted-by":"publisher","DOI":"10.3171\/jns.2005.103.4.0608"},{"key":"e_1_2_4_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/000348940211100910"},{"issue":"1","key":"e_1_2_4_4_2","first-page":"9","article-title":"The international classification of headache disorders: 2nd edition","volume":"24","author":"Headache Classification Subcommittee of the International Headache Society","year":"2004","journal-title":"Cephalalgia."},{"key":"e_1_2_4_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0385-8146(02)00113-X"},{"key":"e_1_2_4_6_2","first-page":"215","article-title":"Voluntarily retractable tympanic membranes: Case report","volume":"12","author":"Kobayashi T","year":"1991","journal-title":"Am J Otol."},{"key":"e_1_2_4_7_2","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.1939.00650060232004"},{"key":"e_1_2_4_8_2","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awg190"},{"key":"e_1_2_4_9_2","doi-asserted-by":"publisher","DOI":"10.3109\/00016486909121567"},{"key":"e_1_2_4_10_2","doi-asserted-by":"publisher","DOI":"10.1080\/00016480410017422"},{"key":"e_1_2_4_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-510X(01)00601-3"},{"key":"e_1_2_4_12_2","first-page":"618","article-title":"Intracranial hypotension as a cause of radiculopathy from cervical epidural venous engorgement: Case report","volume":"23","author":"Albayram S","year":"2002","journal-title":"AJNR Am J Neuroradiol."},{"key":"e_1_2_4_13_2","doi-asserted-by":"publisher","DOI":"10.2176\/nmc.40.404"},{"key":"e_1_2_4_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1526-4610.2006.00302.x"}],"container-title":["Headache: The Journal of Head and Face Pain"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fj.1526-4610.2006.00661.x","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/headachejournal.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/j.1526-4610.2006.00661.x","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T11:45:44Z","timestamp":1762083944000},"score":1,"resource":{"primary":{"URL":"https:\/\/headachejournal.onlinelibrary.wiley.com\/doi\/10.1111\/j.1526-4610.2006.00661.x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,1]]},"references-count":13,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2007,1]]}},"alternative-id":["10.1111\/j.1526-4610.2006.00661.x"],"URL":"https:\/\/doi.org\/10.1111\/j.1526-4610.2006.00661.x","archive":["Portico"],"relation":{},"ISSN":["0017-8748","1526-4610"],"issn-type":[{"type":"print","value":"0017-8748"},{"type":"electronic","value":"1526-4610"}],"subject":[],"published":{"date-parts":[[2007,1]]}}}