{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T15:53:47Z","timestamp":1770220427617,"version":"3.49.0"},"reference-count":23,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,10,11]],"date-time":"2018-10-11T00:00:00Z","timestamp":1539216000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Vet Radiology Ultrasound"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Bronchomalacia and bronchial collapse are important causes of chronic coughing in dogs. The current reference standard diagnostic tests for these problems are flexible bronchoscopy and biopsy. Previous human studies have also supported inspiration\/expiration computed tomography (CT) as a diagnostic test. The current prospective, pilot study aimed to determine whether inspiration\/expiration CT is also a feasible test for quantifying bronchial collapsibility in dogs. Thoracic CT images were acquired using a 64\u2010row multidetector CT for 10 healthy Beagle dogs during maximal inspiration and expiration. For each scan, one observer measured transverse sectional areas of the mainstem and lobar bronchi, and the dorsal and ventral segmental bronchi of the left cranial lobar bronchus. Diameters for each bronchus were also measured in transverse, sagittal, and dorsal planes. Bronchial collapsibility (%) was calculated as the difference between inspiration\/expiration transverse sectional areas divided by the inspiration transverse sectional areas. Mean bronchial collapsibility of all bronchi was 38.20\u00a0\u00b1\u00a015.17%. A collapsibility of over 50% was found in the dorsal (<jats:italic>n<\/jats:italic>\u00a0=\u00a07) and ventral (<jats:italic>n<\/jats:italic>\u00a0=\u00a04) segmental bronchi of the left cranial lobar bronchus, and the left caudal (<jats:italic>n<\/jats:italic>\u00a0=\u00a05) and right middle (<jats:italic>n<\/jats:italic>\u00a0=\u00a02) lobar bronchus. Bronchial collapsibility measurements were greater in the dorsal and ventral segmental bronchi of the left cranial lobar bronchus and the left caudal lobar bronchus (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001). Findings supported inspiration\/expiration CT as a modality to noninvasively assess bronchial collapse in dogs and a bronchial collapsibility value greater than 50% for detecting pathologic bronchial collapse in clinically affected dogs.<\/jats:p>","DOI":"10.1111\/vru.12692","type":"journal-article","created":{"date-parts":[[2018,10,12]],"date-time":"2018-10-12T01:14:45Z","timestamp":1539306885000},"page":"28-37","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Computed tomographic bronchial collapsibility values over 50% may be detected in healthy dogs"],"prefix":"10.1111","volume":"60","author":[{"given":"Dayoung","family":"Oh","sequence":"first","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Siheon","family":"Lee","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seungji","family":"Kim","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sangkyung","family":"Choen","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3456-4790","authenticated-orcid":false,"given":"Mincheol","family":"Choi","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2077-763X","authenticated-orcid":false,"given":"Junghee","family":"Yoon","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University  Seoul 08826 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,10,11]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/jvim.12096"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tvjl.2010.11.021"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/jvim.13612"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cvsm.2013.09.004"},{"key":"e_1_2_6_6_1","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1002\/9781118785676.ch26","volume-title":"Veterinary computed tomography","author":"Schwarz T","year":"2011"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1939-1676.2009.0451.x"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-1843.2006.00862.x"},{"key":"e_1_2_6_9_1","first-page":"955","article-title":"Cervical lung lobe herniation in dogs identified by fluoroscopy","volume":"54","author":"Nafe LA","year":"2013","journal-title":"Can Vet J"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1096-2867(99)80012-7"},{"key":"e_1_2_6_11_1","unstructured":"LevyA MasseauI BeauchampG ReineroC.Dynamic large and small airway caliber changes documented on inspiratory and expiratory CT scans in dogs. 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