{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T06:35:19Z","timestamp":1777530919892,"version":"3.51.4"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T00:00:00Z","timestamp":1472688000000},"content-version":"vor","delay-in-days":5479,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2001,9]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>The purpose of this study was to compare closure rates of CO<jats:sub>2<\/jats:sub> laser myringotomies with those produced conventionally with a knife.<\/jats:p><\/jats:sec><jats:sec><jats:title>STUDY DESIGN AND SETTING<\/jats:title><jats:p>We investigated closure rates in 3 experimental groups of chinchillas: (1) semicircular myringotomy in both ears either produced with a knife or CO<jats:sub>2<\/jats:sub> laser; (2) CO<jats:sub>2<\/jats:sub> laser myringotomy, round in one ear and kidney shaped in the other; (3) CO<jats:sub>2<\/jats:sub> laser myringotomy, incisional in one ear and kidney shaped in the other.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Patency of knife myringotomies was shorter (<jats:italic>P<\/jats:italic> &lt; 0.01) than of similar laser myringotomies, means 10.0 and 21.8\u00a0days, respectively. The patency of kidney\u2010shaped laser myringotomies was longer (<jats:italic>P<\/jats:italic> &lt; 0.05) than of round ones. Incisional laser myringotomies remained open longer (<jats:italic>P<\/jats:italic> &lt; 0.01) than round ones.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSION<\/jats:title><jats:p>Use of CO<jats:sub>2<\/jats:sub> laser as well as certain geometries delay the closure of myringotomies. By allowing perforations of different shapes and sizes, CO<jats:sub>2<\/jats:sub> laser myringotomy may become an alternative in the treatment of otitis media.<\/jats:p><\/jats:sec>","DOI":"10.1067\/mhn.2001.117866","type":"journal-article","created":{"date-parts":[[2003,2,4]],"date-time":"2003-02-04T21:49:09Z","timestamp":1044395349000},"page":"161-165","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Experimental Co<sub>2<\/sub> Laser Myringotomy"],"prefix":"10.1002","volume":"125","author":[{"given":"Hannu J.","family":"Valtonen","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Central Hospital of Central Finland and Kuopio University Hospital Kuopio Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dennis S.","family":"Poe","sequence":"additional","affiliation":[{"name":"Otolaryngology Research Center for Advanced Endoscopic Applications Department of Otolaryngology\u2010Head and Neck Surgery New England Medical Center and Tufts University School of Medicine Boston Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stanley M.","family":"Shapshay","sequence":"additional","affiliation":[{"name":"Otolaryngology Research Center for Advanced Endoscopic Applications Department of Otolaryngology\u2010Head and Neck Surgery New England Medical Center and Tufts University School of Medicine Boston Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,9]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"1","volume-title":"Office visits for otitis media: United States 1975\u20131990. 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