{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T23:34:05Z","timestamp":1776468845488,"version":"3.51.2"},"reference-count":26,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,8,30]],"date-time":"2022-08-30T00:00:00Z","timestamp":1661817600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Ultrasound"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>We described the accuracy of ultrasound in determining the position of bronchial blockers (BBs) in children underwent thoracoscopic surgery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We enrolled 52 children with ASA grade I\u2010III who received thoracoscopic surgery with placement of BBs. Point\u2010of\u2010care ultrasound was performed according to the BLUE protocol. The ultrasound\u2010guided lung sliding sign and curtain sign were used to assess the position of BBs. The accuracy of ultrasound in evaluating the position of BBs, as well as the accuracy and operating time of sliding sign and curtain sign at each examination point were recorded and compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The accuracy of ultrasound in evaluating the position of BBs was 88% (46\/52, 95% CI 0.69\u20130.97). When using the curtain sign to assess the position of BBs, the accuracy was 90% (94\/104, 95% CI 0.78\u20130.96), which was significantly higher than when using the sliding sign (65% (136\/208), 95% CI 0.55\u20130.74) (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.002). The accuracy of curtain sign at the left mid\u2010axillary line\u2010diaphragm and the right mid\u2010axillary line\u2010diaphragm was respectively 96% (50\/52, 95% CI 0.80\u20130.99) and 84% (44\/52, 95% CI 0.65\u20130.95), which were higher than that of sliding sign at upper blue points and lower blue points. There was no significant difference in the operating time between two ultrasound signs (the curtain sign, 13.4\u2009\u00b1\u20098.2\u00a0s vs. the lung sliding sign, 16.2\u2009\u00b1\u200910.0\u00a0s, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.065).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Point\u2010of\u2010care ultrasound can effectively assess the position of BBs. The accuracy of using the curtain sign at the mid\u2010axillary line\u2010diaphragm is higher than that of using the lung sliding sign at the anterior chest wall.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jcu.23305","type":"journal-article","created":{"date-parts":[[2022,8,30]],"date-time":"2022-08-30T13:34:29Z","timestamp":1661866469000},"page":"1391-1398","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Point\u2010of\u2010care ultrasound to confirm the position of bronchial blockers in children"],"prefix":"10.1002","volume":"50","author":[{"given":"Junxia","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Pediatrics the First Affiliated Hospital of Shandong First Medical University &amp; Shandong Provincial Qianfoshang Hospital  Jinan People's Republic of 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