{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T16:46:30Z","timestamp":1782837990745,"version":"3.54.5"},"reference-count":20,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[2016,3,18]],"date-time":"2016-03-18T00:00:00Z","timestamp":1458259200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0022215116000700_sec_a1\"><jats:title>Objectives:<\/jats:title><jats:p>Carbon dioxide laser posterior transverse cordotomy is a common option for bilateral vocal fold paralysis. This study prospectively evaluated aerodynamic and acoustic effects of unilateral carbon dioxide laser posterior transverse cordotomy in bilateral vocal fold paralysis patients.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215116000700_sec_a2\"><jats:title>Methods:<\/jats:title><jats:p>The study comprised 11 bilateral vocal fold paralysis patients (9 females, 2 males), with a mean age of 46.6 \u00b1 14.1 years. All patients were treated by laser posterior transverse cordotomy. Pre-operative and two-month post-operative assessments were conducted, including: dyspnoea scales, maximum phonation time measurement, spirometry and bicycle ergometry.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215116000700_sec_a3\"><jats:title>Results:<\/jats:title><jats:p>All subjective and objective aerodynamic parameters showed statistically significant improvements between the pre- and post-operative period. Objective spirometric and ergometric parameters showed a significant increase post-operatively. The changes in objective voice parameters (fundamental frequency (f0), jitter, shimmer, soft phonation index and noise-to-harmonic ratio) were statistically non-significant; however, there was a significant improvement in subjective voice parameters post-operatively, as assessed by the voice handicap index and grade-roughness-breathiness-asthenia-strain scale (<jats:italic>p<\/jats:italic> = 0.026 and <jats:italic>p<\/jats:italic> = 0.018 respectively).<\/jats:p><\/jats:sec><jats:sec id=\"S0022215116000700_sec_a4\"><jats:title>Conclusion:<\/jats:title><jats:p>Unilateral carbon dioxide laser posterior transverse cordotomy is an effective procedure that results in improved dyspnoea and aerodynamic performance with some worsening of voice parameters.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0022215116000700","type":"journal-article","created":{"date-parts":[[2016,3,18]],"date-time":"2016-03-18T13:58:49Z","timestamp":1458309529000},"page":"373-379","source":"Crossref","is-referenced-by-count":21,"title":["Impact of unilateral carbon dioxide laser posterior transverse cordotomy on vocal and aerodynamic parameters in bilateral vocal fold paralysis"],"prefix":"10.1017","volume":"130","author":[{"given":"M B","family":"Asik","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O","family":"Karasimav","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H","family":"Birkent","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A L","family":"Merati","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M","family":"Gerek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y","family":"Yildiz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2016,3,18]]},"reference":[{"key":"S0022215116000700_ref18","doi-asserted-by":"publisher","DOI":"10.1007\/s004050050248"},{"key":"S0022215116000700_ref17","doi-asserted-by":"publisher","DOI":"10.1080\/000164800750001206"},{"key":"S0022215116000700_ref14","doi-asserted-by":"publisher","DOI":"10.1378\/chest.93.3.580"},{"key":"S0022215116000700_ref7","doi-asserted-by":"publisher","DOI":"10.1002\/lary.21003"},{"key":"S0022215116000700_ref4","doi-asserted-by":"publisher","DOI":"10.1097\/MLG.0b013e3180de4d49"},{"key":"S0022215116000700_ref3","doi-asserted-by":"publisher","DOI":"10.1258\/00222150260369426"},{"key":"S0022215116000700_ref2","doi-asserted-by":"publisher","DOI":"10.1017\/S0022215106000715"},{"key":"S0022215116000700_ref1","doi-asserted-by":"publisher","DOI":"10.1067\/mhn.2001.111599"},{"key":"S0022215116000700_ref20","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(96)80013-0"},{"key":"S0022215116000700_ref19","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-198407000-00013"},{"key":"S0022215116000700_ref5","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(03)00030-4"},{"key":"S0022215116000700_ref13","doi-asserted-by":"publisher","DOI":"10.1046\/j.1440-1622.1999.01613.x"},{"key":"S0022215116000700_ref16","first-page":"516","volume-title":"Physiology of Sport and Exercise","year":"1999"},{"key":"S0022215116000700_ref8","doi-asserted-by":"publisher","DOI":"10.1159\/000345501"},{"key":"S0022215116000700_ref9","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-008-0665-1"},{"key":"S0022215116000700_ref15","doi-asserted-by":"publisher","DOI":"10.1590\/S1806-37132010000500008"},{"key":"S0022215116000700_ref6","doi-asserted-by":"publisher","DOI":"10.1177\/000348948909801203"},{"key":"S0022215116000700_ref10","doi-asserted-by":"publisher","DOI":"10.1177\/000348940511400804"},{"key":"S0022215116000700_ref12","doi-asserted-by":"publisher","DOI":"10.1044\/1058-0360.0603.66"},{"key":"S0022215116000700_ref11","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-011-1711-y"}],"container-title":["The Journal of Laryngology &amp; 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