{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T20:49:21Z","timestamp":1779914961640,"version":"3.53.1"},"reference-count":29,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2014,10,19]],"date-time":"2014-10-19T00:00:00Z","timestamp":1413676800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["beva.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Equine Veterinary Journal"],"published-print":{"date-parts":[[2015,9]]},"abstract":"Summary<\/jats:title>\n \n Reasons for performing study<\/jats:title>\n \n To investigate laryngeal function in cases of recurrent laryngeal neuropathy pre\u2010 and post laryngoplasty (\n LP<\/jats:styled-content>\n ) using dynamic respiratory endoscopy (\n DRE<\/jats:styled-content>\n ).\n <\/jats:p>\n <\/jats:sec>\n \n Objectives<\/jats:title>\n \n To compare the\n rima glottidis<\/jats:italic>\n area during\n DRE<\/jats:styled-content>\n pre\u2010 and post\n LP<\/jats:styled-content>\n ; document all forms of dynamic upper airway obstruction (\n DUAO<\/jats:styled-content>\n ) pre\u2010 and post\n LP<\/jats:styled-content>\n and investigate the relationship between post operative abduction at rest and exercise.\n <\/jats:p>\n <\/jats:sec>\n \n Study design<\/jats:title>\n Prospective case series.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n Thoroughbred racehorses with pre\u2010 and post\n LP DRE<\/jats:styled-content>\n were included. Left\u2010to\u2010right arytenoid cartilage angle ratios and\n rima glottidis<\/jats:italic>\n area ratios were used to quantify laryngeal function during rest and exercise, pre\u2010 and post\n LP<\/jats:styled-content>\n .\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n In 35 horses, mean pre\u2010\n LP<\/jats:styled-content>\n ratios were greater during rest (left\u2010to\u2010right quotient angle ratio [\n LRQ<\/jats:styled-content>\n ] 0.76 \u00b1 0.13; left\u2010to\u2010right arytenoid ratio [\n LRR<\/jats:styled-content>\n ] 0.72 \u00b1 0.14;\n rima glottidis<\/jats:italic>\n area ratio [\n RGA<\/jats:styled-content>\n ] 0.40 \u00b1 0.10) than exercise (\n LRQ<\/jats:styled-content>\n 0.39 \u00b1 0.16, P<0.001;\n LRR<\/jats:styled-content>\n 0.38 \u00b1 0.16, P<0.001;\n RGA<\/jats:styled-content>\n 0.15 \u00b1 0.05, P<0.001). Exercising ratios were larger post\n LP<\/jats:styled-content>\n (\n LRQ<\/jats:styled-content>\n 0.61 \u00b1 0.13;\n LRR<\/jats:styled-content>\n 0.60 \u00b1 0.12;\n RGA<\/jats:styled-content>\n 0.30 \u00b1 0.08) than pre\u2010\n LP<\/jats:styled-content>\n (\n LRQ<\/jats:styled-content>\n 0.39 \u00b1 0.16, P<0.001;\n LRR<\/jats:styled-content>\n 0.38 \u00b1 0.16, P<0.001;\n RGA<\/jats:styled-content>\n 0.15 \u00b1 0.05, P<0.001). A positive linear relationship was found between post\n LP<\/jats:styled-content>\n resting and exercising ratios (R\n 2<\/jats:sup>\n = 0.48; P<0.001) and post operative abduction grades (R\n 2<\/jats:sup>\n = 0.63; P<0.001). Pre\u2010\n LP<\/jats:styled-content>\n all horses demonstrated left arytenoid cartilage collapse with bilateral vocal cord collapse and 37% had aryepiglottic fold collapse. Post\n LP<\/jats:styled-content>\n 13 horses (37%) developed additional\n DUAO<\/jats:styled-content>\n s and these horses had smaller\n RGA<\/jats:styled-content>\n s (0.25 \u00b1 0.08) than horses that did not develop\n DUAO<\/jats:styled-content>\n s (0.32 \u00b1 0.07, P = 0.01).\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n \n Multiple forms of\n DUAO<\/jats:styled-content>\n occurred pre\u2010\n LP<\/jats:styled-content>\n and additional forms often developed post\n LP<\/jats:styled-content>\n . Post\n LP<\/jats:styled-content>\n the degree of arytenoid cartilage abduction at rest was useful to predict the degree of abduction during exercise.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1111\/evj.12331","type":"journal-article","created":{"date-parts":[[2014,8,15]],"date-time":"2014-08-15T09:28:36Z","timestamp":1408094916000},"page":"531-536","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Dynamic respiratory endoscopic findings pre\u2010 and post laryngoplasty in\n T<\/scp>\n horoughbred racehorses"],"prefix":"10.1111","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7537-9041","authenticated-orcid":false,"given":"J. L.","family":"Leutton","sequence":"first","affiliation":[{"name":"Perth Equine Hospital Ascot Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. M.","family":"Lumsden","sequence":"additional","affiliation":[{"name":"Randwick Equine Centre Randwick New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,10,19]]},"reference":[{"key":"e_1_2_12_2_1","first-page":"592","volume-title":"Larynx","author":"Fulton I.C.","year":"2012"},{"key":"e_1_2_12_3_1","doi-asserted-by":"crossref","first-page":"157","DOI":"10.2460\/javma.1970.157.02.157","article-title":"Use of a prosthetic device for surgical correction of laryngeal hemiplegia in horses","volume":"157","author":"Marks D.","year":"1970","journal-title":"J. Am. Vet. Med. Ass."},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516409X407107"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2042-3306.1991.tb02749.x"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.2010.00746.x"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2042-3306.2012.00612.x"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/evj.12020"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516408X330329"},{"key":"e_1_2_12_10_1","doi-asserted-by":"crossref","first-page":"16","DOI":"10.2460\/ajvr.1986.47.01.16","article-title":"Effect of laryngeal hemiplegia and laryngoplasty on airway flow mechanics in exercising horses","volume":"47","author":"Derksen F.J.","year":"1986","journal-title":"Am. J. Vet. Res."},{"key":"e_1_2_12_11_1","doi-asserted-by":"crossref","first-page":"1760","DOI":"10.2460\/ajvr.1988.49.10.1760","article-title":"Effects of ventriculectomy, prosthetic laryngoplasty, and exercise on upper airway function in horses with induced left laryngeal hemiplegia","volume":"49","author":"Shappell K.K.","year":"1988","journal-title":"Am. J. Vet. Res."},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.1992.tb00075.x"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.2460\/ajvr.1993.54.05.766"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1053\/jvet.2000.5599"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.2010.00773.x"},{"key":"e_1_2_12_16_1","unstructured":"Pollock P.J.(2012)Dynamic exercising endoscopy: longitudinal studies. In:ACVS Veterinary Symposium. p115."},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.1991.tb00319.x"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2042-3306.2010.00033.x"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516403776014172"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.1053\/jvet.2001.21389"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2042-3292.2004.tb00323.x"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516406778400583"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.2005.00085.x"},{"key":"e_1_2_12_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.2013.01109.x"},{"key":"e_1_2_12_25_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.2012.01017.x"},{"key":"e_1_2_12_26_1","doi-asserted-by":"crossref","first-page":"1668","DOI":"10.2460\/ajvr.1996.57.11.1668","article-title":"Efficacy of prosthetic laryngoplasty with and without bilateral ventriculocordectomy as treatments for laryngeal hemiplegia in horses","volume":"57","author":"Tetens J.","year":"1996","journal-title":"Am. J. Vet. Res."},{"key":"e_1_2_12_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tvjl.2004.06.011"},{"key":"e_1_2_12_28_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516408X281216"},{"key":"e_1_2_12_29_1","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.2460\/javma.1994.204.08.1235","article-title":"Performance analysis after prosthetic laryngoplasty and bilateral ventriculectomy for laryngeal hemiplegia in horses: 70 cases (1986\u20101991)","volume":"204","author":"Russell A.P.","year":"1994","journal-title":"J. Am. Vet. Med. Ass."},{"key":"e_1_2_12_30_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532\u2010950X.2014.12101.x"}],"container-title":["Equine Veterinary Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fevj.12331","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/beva.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/evj.12331","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T08:57:07Z","timestamp":1762073827000},"score":1,"resource":{"primary":{"URL":"https:\/\/beva.onlinelibrary.wiley.com\/doi\/10.1111\/evj.12331"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,10,19]]},"references-count":29,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2015,9]]}},"alternative-id":["10.1111\/evj.12331"],"URL":"https:\/\/doi.org\/10.1111\/evj.12331","archive":["Portico"],"relation":{},"ISSN":["0425-1644","2042-3306"],"issn-type":[{"value":"0425-1644","type":"print"},{"value":"2042-3306","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,10,19]]},"assertion":[{"value":"2014-01-20","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2014-07-17","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2014-10-19","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}