{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T19:07:12Z","timestamp":1782414432997,"version":"3.54.5"},"reference-count":21,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2001,3,1]],"date-time":"2001-03-01T00:00:00Z","timestamp":983404800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Rhinology"],"published-print":{"date-parts":[[2001,3]]},"abstract":"<jats:p>Choanal atresia is a congenital malformation of the posterior portion of the nasal cavity, which is usually unilateral. The incidence is estimated to be 1 in 5,000 to 8,000 live births. Several surgical approaches have been described to correct choanal atresia since Emmert's initial trocar perforation in 1853, including transnasal, transpalatal, transseptal, sublabial transseptal, transantral, and external rhinoplasty. Although the micro-endoscopic transnasal access is a more conservative technique, it allows greater surgical precision, and is currently recommended by many authors; choanal atresia repair is still considered a challenge, with risks of intraoperative and postoperative complications and re-stenosis. This paper reports the results of a series of 33 patients operated via the transnasal micro-endoscopic surgical approach, and describes a new endoscopic technique that the authors call \u201cnasal septal cross-over flap technique.\u201d<\/jats:p>","DOI":"10.2500\/105065801781543718","type":"journal-article","created":{"date-parts":[[2007,8,19]],"date-time":"2007-08-19T19:58:27Z","timestamp":1187553507000},"page":"143-148","source":"Crossref","is-referenced-by-count":31,"title":["Nasal Septal Cross-Over Flap Technique: A Choanal Atresia Micro-Endoscopic Surgical Repair"],"prefix":"10.1177","volume":"15","author":[{"given":"Aldo Cassol","family":"Stamm","sequence":"first","affiliation":[{"name":"S\u00e3o Paulo ENT Center, Hospital Professor Edmundo Vasconcelos, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shirley Shizue Nagata","family":"Pignatari","sequence":"additional","affiliation":[{"name":"S\u00e3o Paulo ENT Center, Hospital Professor Edmundo Vasconcelos, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2001,3,1]]},"reference":[{"key":"bibr1-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-5876(86)80010-6"},{"key":"bibr2-105065801781543718","volume-title":"Bilateral Bony Atresia","author":"Emmert C","year":"1853"},{"key":"bibr3-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1016\/S0030-6665(20)32300-8"},{"key":"bibr4-105065801781543718","first-page":"43","volume":"54","author":"Stamm A.","year":"1988","journal-title":"Rev Bras ORL"},{"key":"bibr5-105065801781543718","first-page":"279","volume-title":"Microcirurgia Naso-Sinusal.","author":"Stamm A.","year":"1995"},{"key":"bibr6-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1016\/1043-1810(94)90015-9"},{"key":"bibr7-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1177\/000348946607500401"},{"key":"bibr8-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-197708000-00010"},{"key":"bibr9-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199601000-00019"},{"key":"bibr10-105065801781543718","doi-asserted-by":"publisher","DOI":"10.1177\/000348947808700510"},{"key":"bibr11-105065801781543718","unstructured":"OttoA.W. 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