{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T23:56:51Z","timestamp":1788998211255,"version":"build-2803163510"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,1,2]],"date-time":"2020-01-02T00:00:00Z","timestamp":1577923200000},"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":["Pediatric Anesthesia"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Reliable sealing of the pediatric airway requires appropriately sized tracheal tube cuffs. The aim of this study was to compare residual cuff diameters of pediatric tracheal tubes with pediatric airway dimensions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Cuff diameters of five different brands of locally marketed pediatric cuffed tracheal tubes with internal diameters of 3.0\u20107.0\u00a0mm were measured at a cuff pressure of 20\u00a0cm H<jats:sub>2<\/jats:sub>O and compared with cuff diameters indicated by their manufacturers. The latter values were compared to tracheal dimensions using the Motoyama and Khine formulas for cuffed tracheal tube size selection.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There is considerable heterogeneity in cuff diameters among pediatric tracheal tube brands, except for two brands from different manufacturers (Halyard and Parker Medical) which were identically designed. Cuffs made from polyurethane revealed fewer differences (91%\u2010118%) between measured and manufacturer\u2010indicated values for outer cuff diameters than did those made from polyvinylchloride (91%\u2010146%). Particularly in smaller sized tracheal tubes, cuffs did not reach 100% of the tracheal lateral diameter, while others were oversized in larger tracheal tubes, independent of the two formulas used for cuffed tracheal tube size selection. Cuff diameters indicated by the manufacturer corresponded to 86%\u2010188% of the median and 68%\u2010157% of the maximum mid\u2010tracheal lateral diameter of the corresponding upper age range.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our findings show that many of the cuff diameters of currently marketed tracheal tube brands lack an age\u2010related anatomical rationale. A proposal for age\u2010related anatomically based cuff diameters is provided for both recommendations for cuffed tracheal tube size selection in children.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pan.13776","type":"journal-article","created":{"date-parts":[[2019,12,2]],"date-time":"2019-12-02T10:07:07Z","timestamp":1575281227000},"page":"424-434","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Cuffed pediatric endotracheal tubes\u2014Outer cuff diameters compared to age\u2010related airway dimensions"],"prefix":"10.1111","volume":"30","author":[{"given":"Martina","family":"Fischer","sequence":"first","affiliation":[{"name":"Department of Anaesthesia and Children's Research Center University Children's Hospital Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beate","family":"Grass","sequence":"additional","affiliation":[{"name":"Department of Intensive Care and Neonatology University Children's Hospital Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Kemper","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia and Children's Research Center University Children's Hospital Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5822-9591","authenticated-orcid":false,"given":"Markus","family":"Weiss","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia and Children's Research Center University Children's Hospital Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2301-1373","authenticated-orcid":false,"given":"Mital H.","family":"Dave","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia and Children's Research Center University Children's Hospital Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,1,2]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/ALN.0b013e318282cc8f"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aep290"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1460-9592.2001.0774d.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.12102"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.13340"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.2005.00599.x"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(94)70121-0"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2003.12.018"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1136\/archdischild-2015-309240"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.13519"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1651-2227.2007.00578.x"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aeq202"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1460-9592.2004.01316.x"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.13210"},{"key":"e_1_2_8_16_1","unstructured":"DIN EN ISO 5361.An\u00e4sthesie\u2010 und Beatmungsger\u00e4te \u2010 Trachealtuben und Verbindungsst\u00fccke (ISO 5361: 2016); Deutsche Fassung EN ISO 5361:2016: Deutsches Institut f\u00fcr Normung.2016:1\u201355."},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-032302647-5.50015-1"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/00000542-199703000-00015"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.140.6.1103"},{"key":"e_1_2_8_20_1","unstructured":"R Core Team.A Language and Environment for Statistical Computing.R Core Team;2016.https:\/\/www.R-project.org\/. 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