{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T01:42:32Z","timestamp":1792806152301,"version":"4.5.0"},"reference-count":16,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,3]]},"abstract":"\n OBJECTIVE<\/jats:title>\n The ventral jugular foramen and the infrapetrous region are difficult to access through conventional lateral and posterolateral approaches. Endoscopic endonasal approaches to this region are obstructed by the eustachian tube (ET). This study presents a novel strategy for mobilizing the ET while preserving its integrity. Qualitative and quantitative comparisons with previous ET management paradigms are also presented.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n Ten dry skulls were analyzed. Four ET management strategies were sequentially performed on a total of 6 sides of cadaveric head specimens. Four measurement groups were generated: in group A, the ET was intact and not mobilized; in group B, the ET was mobilized inferolaterally; in group C, the ET underwent anterolateral mobilization; and in group D, the ET was resected. ET range of mobilization, surgical exposure area, and surgical freedom were measured and compared among the groups.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n \n Wide exposure of the infrapetrous region and jugular foramen was achieved by removing the pterygoid process, unroofing the cartilaginous ET up to the level of the posterior aspect of the foramen ovale, and detaching the ET from the skull base and soft palate. Anterolateral mobilization of the ET facilitated significantly more retraction (a 126% increase) of the ET than inferolateral mobilization (mean \u00b1 SD: 20.8 \u00b1 11.2 mm vs 9.2 \u00b1 3.6 mm [p = 0.02]). Compared with group A, groups C and D had enhanced surgical exposure (142.5% [1176.9 \u00b1 935.7 mm\n 2<\/jats:sup>\n ] and 155.9% [1242.0 \u00b1 1096.2 mm\n 2<\/jats:sup>\n ], respectively, vs 485.4 \u00b1 377.6 mm\n 2<\/jats:sup>\n for group A [both p = 0.02]). Furthermore, group C had a significantly larger surgical exposure area than group B (p = 0.02). No statistically significant difference was found between the area of exposure obtained by ET removal and anterolateral mobilization. Anterolateral mobilization of the ET resulted in a 39.5% increase in surgical freedom toward the exocranial jugular foramen compared with that obtained through inferolateral mobilization of the ET (67.2\u00b0 \u00b1 20.5\u00b0 vs 48.1\u00b0 \u00b1 6.7\u00b0 [p = 0.047]) and a 65.4% increase compared with that afforded by an intact ET position (67.2\u00b0 \u00b1 20.5\u00b0 vs 40.6\u00b0 \u00b1 14.3\u00b0 [p = 0.03]).\n <\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n Anterolateral mobilization of the ET provides excellent access to the ventral jugular foramen and infrapetrous region. The surgical exposure obtained is superior to that achieved with other ET management strategies and is comparable to that obtained by ET resection.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2019.12.jns192285","type":"journal-article","created":{"date-parts":[[2020,3,20]],"date-time":"2020-03-20T21:57:31Z","timestamp":1584741451000},"page":"831-842","source":"Crossref","is-referenced-by-count":19,"title":["The endoscopic endonasal eustachian tube anterolateral mobilization strategy: minimizing the cost of the extreme-medial approach"],"prefix":"10.3171","volume":"134","author":[{"given":"Mohamed A.","family":"Labib","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evgenii","family":"Belykh","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio","family":"Cavallo","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaochun","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel M.","family":"Prevedello","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo L.","family":"Carrau","sequence":"additional","affiliation":[{"name":"Otolaryngology\u2013Head and Neck Surgery, Wexner Medical Center at The Ohio State University, Columbus, Ohio;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew S.","family":"Little","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mauro A. 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