{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T06:45:18Z","timestamp":1769237118224,"version":"3.49.0"},"reference-count":19,"publisher":"S. Karger AG","issue":"4","license":[{"start":{"date-parts":[[2006,12,11]],"date-time":"2006-12-11T00:00:00Z","timestamp":1165795200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2006,12,11]],"date-time":"2006-12-11T00:00:00Z","timestamp":1165795200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Respiration"],"published-print":{"date-parts":[[2007]]},"abstract":"<i>Background:<\/i> Quantitative assessment of airway caliber is generally confined to indirect methods. Fiberoptic bronchoscopy provides a direct view of the airways, but measurement of the internal size of bronchi in a standard examination is not possible. Using a special image analysis program, we developed a method allowing quantitative assessment of airway caliber by means of videobronchoscopic (VB) examination. <i>Objectives:<\/i> The purpose of the study was toshow that quantitative videobronchoscopy (VB coupled with a computer image analysis) allows direct and accurate measurement of the bronchi diameter. <i>Methods:<\/i> To test our hypothesis, we measured the same areas of a bronchial tree in CT and in VB in 40 patients with diagnostic indications for both the procedures. <i>Results:<\/i> We measured the diameters of 149 bronchi. The mean value of the difference between VB and CT measurements was equal to \u20130.071 mm and was not significantly different from 0 (p = 0.086). There was no obvious relation between the difference and the mean (r = 0.026, p = 0.745). The Bland Altman limits of agreement were <i>L<\/i> = \u20131.071 mm and <i>U<\/i> = 0.929 mm. We also assessed the bronchial diameter after endobronchial challenge and in patients with tracheobronchomalacia to show the application of this method for dynamic measurements. <i>Conclusions:<\/i> Quantitative videobronchoscopy allows the accurate and direct measurement of an airway caliber. It may be useful in clinical setting to quantify changes in a bronchial caliber (endobronchial masses, tracheobronchomalacia). Dynamic visualization of changes in airways may be useful in research, especially to explore the mechanics of airway narrowing.<\/jats:p>","DOI":"10.1159\/000097993","type":"journal-article","created":{"date-parts":[[2006,12,13]],"date-time":"2006-12-13T10:38:10Z","timestamp":1166006290000},"page":"432-438","source":"Crossref","is-referenced-by-count":12,"title":["Assessment of Airway Caliber in Quantitative Videobronchoscopy"],"prefix":"10.1159","volume":"74","author":[{"given":"Pawe\u0142","family":"Czaja","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jerzy","family":"Soja","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Piotr","family":"Grzanka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam","family":"\u00c7miel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrzej","family":"Szczeklik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Krzysztof","family":"S\u0142adek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"127","published-online":{"date-parts":[[2006,12,11]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1097%2F00004424-196807000-00001"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1378%2Fchest.102.4.1251"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1159%2F000093369"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016%2Fj.athoracsur.2005.04.084"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1183%2F09031936.94.07030596"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1136%2Fthx.53.4.248"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016%2FS0140-6736%2886%2990837-8"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1007%2Fs00595-004-2942-y"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1016%2FS1076-6332%2805%2980671-3"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1007%2FBF00181147"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1136%2Fthx.49.6.586"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1183%2F09031936.94.070071317"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1183%2F09031936.94.07020298"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1006%2Fpulp.1996.0003"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1111%2Fj.1440-1681.1997.tb01816.x"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1183%2F09031936.98.12051053"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1203%2F00006450-199806000-00018"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1034%2Fj.1399-3003.1999.14d09.x"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1002%2F%28SICI%291099-0496%28199604%2921%3A4%3C241%3A%3AAID-PPUL7%3E3.0.CO%3B2-R"}],"container-title":["Respiration"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/97993","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/97993","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T02:26:49Z","timestamp":1745461609000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000097993"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,12,11]]},"references-count":19,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2007,7,1]]}},"URL":"https:\/\/doi.org\/10.1159\/000097993","archive":["Portico"],"relation":{},"ISSN":["0025-7931","1423-0356"],"issn-type":[{"value":"0025-7931","type":"print"},{"value":"1423-0356","type":"electronic"}],"subject":[],"published":{"date-parts":[[2006,12,11]]}}}