{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T04:54:01Z","timestamp":1781931241825,"version":"3.54.5"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2014,6,23]],"date-time":"2014-06-23T00:00:00Z","timestamp":1403481600000},"content-version":"vor","delay-in-days":22,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Otolaryngology"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:sec><jats:title>Objectives\/hypothesis<\/jats:title><jats:p>Minimum cross\u2010sectional area of the nasal passage on CT (<jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content>) is an objective computerised determination of the minimum cross\u2010sectional area of the nasal passage on <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>. <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> was evaluated before and after surgery on the external nasal valve using the \u2018lateral crus pull\u2010up\u2019 procedure (<jats:styled-content style=\"fixed-case\">LCPU<\/jats:styled-content>). The outcomes of <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> were compared with other currently available objective tests for nasal valve patency.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study design<\/jats:title><jats:p>Prospective cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study included 34 patients undergoing surgery on the external nasal valve with the use of the <jats:styled-content style=\"fixed-case\">LCPU<\/jats:styled-content> technique. <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> was performed before and after surgery and compared with the subjective perception of nasal passage using the Nasal Obstruction Symptom Evaluation (<jats:styled-content style=\"fixed-case\">NOSE<\/jats:styled-content>) scale and with objective tests such as acoustic rhinometry (A\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content>), rhinomanometry (<jats:styled-content style=\"fixed-case\">NAR<\/jats:styled-content>) and peak nasal inspiratory flow (<jats:styled-content style=\"fixed-case\">PNIF<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>This study showed a significant correlation between <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> and the <jats:styled-content style=\"fixed-case\">NOSE<\/jats:styled-content> scale, <jats:styled-content style=\"fixed-case\">PNIF<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">NAR<\/jats:styled-content>. Paired\u2010samples <jats:italic>t<\/jats:italic>\u2010tests showed significant improvement after surgery on <jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\"> PNIF<\/jats:styled-content> and the <jats:styled-content style=\"fixed-case\">NOSE<\/jats:styled-content> scale. Multiple linear regression analysis showed that <jats:styled-content style=\"fixed-case\">PNIF<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\"> CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">NAR<\/jats:styled-content> were significantly associated with the <jats:styled-content style=\"fixed-case\">NOSE<\/jats:styled-content> scale.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">PNIF<\/jats:styled-content> were both significantly correlated and associated with the patient's subjective perception of nasal passage. The surgical procedure, the \u2018lateral crus pull\u2010up\u2019, showed a significant improvement in the postoperative result both subjectively and objectively.<\/jats:p><\/jats:sec>","DOI":"10.1111\/coa.12243","type":"journal-article","created":{"date-parts":[[2014,4,11]],"date-time":"2014-04-11T16:58:37Z","timestamp":1397235517000},"page":"150-155","source":"Crossref","is-referenced-by-count":23,"title":["Surgery of the external nasal valve: the correlation between subjective and objective measurements"],"prefix":"10.1111","volume":"39","author":[{"given":"D.J.","family":"Menger","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology \u2013 FPS University Medical Center Utrecht The Netherlands"},{"name":"O.L.V.G. 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