{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T04:29:05Z","timestamp":1771475345941,"version":"3.50.1"},"reference-count":30,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2010,1,5]],"date-time":"2010-01-05T00:00:00Z","timestamp":1262649600000},"content-version":"vor","delay-in-days":2410,"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":[[2003,6]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    <jats:italic>Reasons for performing study<\/jats:italic>\n                    : Laryngoplasty (LP) is currently the most common surgical treatment for equine laryngeal paralysis, however, there have been no reports quantifying the degree of retention of arytenoid abduction following L P. ADitionally, the complications of LP have been poorly documented.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Objectives<\/jats:italic>\n                    : To record the degree of arytenoid abduction retention following LP and to accurately document all complications of surgery.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Methods<\/jats:italic>\n                    : A study (1986\u20131998) of 200 horses of mixed breed and workload, median age 6 years (prospective 136 cases and retrospective 64 cases) undergoing LP (using 2 stainless steel wires) and combined ventriculocordectomy was undertaken; 198 owners completed questionnaires, a median of 19 months following surgery. The degree of arytenoid abduction achieved was endoscopically, semi\u2010quantitatively evaluated using a 5\u2010grade system, at 1 day, 7 days, and 6 weeks after surgery.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Results<\/jats:italic>\n                    : On the day following LP, 62% of horses had good (median\n                    <jats:italic>grade<\/jats:italic>\n                    2) arytenoid abduction, 10% had excessive (\n                    <jats:italic>grade<\/jats:italic>\n                    1), and 5% had minimal (\n                    <jats:italic>grade<\/jats:italic>\n                    4) abduction (overall \u2010 median\n                    <jats:italic>grade<\/jats:italic>\n                    2). Due to progressive loss of abduction, moderate (median\n                    <jats:italic>grade<\/jats:italic>\n                    3, range 1\u20135) abduction was present overall at 1 and 6 weeks after LP. Further surgery was required to re\u2010tighten prostheses in 10% of cases with excessive loss of abduction, or to loosen prostheses in 7% of horses which had continuing high levels of LP abduction and significant post operative dysphagia. LP wound problems (mainly seromas and suture abscesses) were reported to last &lt;2 weeks in 9% of cases, &lt;4 weeks in 4% and &gt;4 weeks in 4%. The (partially sutured) laryngotomy wounds discharged post operatively for &lt;2 weeks in 22% of cases, &lt;4 weeks in 7% and for &gt;4 weeks in 2%. Coughing occurred at some stage post operatively in 43% of cases and its presence correlated significantly with the degree of surgical arytenoid abduction. This coughing occurred during eating in 24% of cases and was not associated with eating (or dysphagia) in the other 19% of cases. Chronic (&gt;6 months duration) coughing occurred in 14% of cases, but appeared to be due to intercurrent pulmonary disease in half of these horses.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Conclusions<\/jats:italic>\n                    : Suturing the cricotracheal membrane allows most laryngotomy wounds to heal quickly. Laryngoplasty wound problems were of little long\u2010term consequence when stainless steel wire prostheses were used.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Potential relevance<\/jats:italic>\n                    : A significant loss of LP abduction occurs in most horses in the 6 weeks following surgery and efforts should be made to find ways to prevent such loss. However, excessive LP abduction is associated with post operative dysphagia and coughing.\n                  <\/jats:p>","DOI":"10.2746\/042516403776014172","type":"journal-article","created":{"date-parts":[[2007,4,12]],"date-time":"2007-04-12T19:03:27Z","timestamp":1176404607000},"page":"389-396","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":88,"title":["Long\u2010term survey of laryngoplasty and ventriculocordectomy in an older, mixed\u2010breed population of 200 horses. Part 1: Maintenance of surgical arytenoid abduction and complications of surgery"],"prefix":"10.1111","volume":"35","author":[{"given":"P. M.","family":"DIXON","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. C.","family":"McGORUM","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. I.","family":"RAILTON","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"HAWE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W. H.","family":"TREMAINE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"DACRE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"McCANN","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,1,5]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2042-3292.1993.tb01003.x"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.1990.tb01233.x"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-950X.1995.tb01322.x"},{"key":"e_1_2_1_5_1","volume-title":"Roaring in Horses, its Pathology and Treatment","author":"Cadiot P.J.","year":"1893"},{"key":"e_1_2_1_6_1","doi-asserted-by":"crossref","first-page":"114","DOI":"10.2460\/ajvr.1990.51.01.114","article-title":"Effects of age and prosthesis material on in\u2010vitro cartilage retention of laryngoplasty prostheses in horses","volume":"51","author":"Dean P.W.","year":"1990","journal-title":"Am. 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