{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T14:43:32Z","timestamp":1784558612955,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2020,9,13]],"date-time":"2020-09-13T00:00:00Z","timestamp":1599955200000},"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":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Age\u2010related recommendations for size selection of bronchial blocker devices are based on a few dated anatomical autopsy and radiological studies determining lower airway dimensions in children. These recommendations are based on anterior\u2010posterior internal bronchial diameters, which are smaller than the more relevant lateral internal bronchial diameters.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Outer diameters of bronchial blocker balloons inflated with the maximum recommended volume of air were compared to age\u2010related lateral internal bronchial diameters of left and right proximal mainstem bronchi using five different recommendations for age\u2010related size selection of bronchial blocker equipment in children published in the literature.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The ratio of outer bronchial blocker diameters inflated with the maximal recommended volume of air to the median lateral internal diameters of the proximal mainstem bronchus ranged from 71.4% to 181.8% for the left side and from 61.7% to 162.6% for the right side. There were many settings where the blocker diameters did not reach the median lateral internal diameters of the proximal mainstem bronchus. This was more often observed for the right than for the left side (37 vs 22 settings).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This analysis demonstrates that irrespective of the recommendation for size selection used, neither the two balloon\u2010tipped vascular catheters included nor the Arndt endobronchial blockers are ideal for lung isolation in children are compared with the age\u2010related relevant dimensions of pediatric airway anatomy. A redesign of bronchial blocker equipment with age\u2010related anatomically based high\u2010volume, low\u2010pressure blocker balloons made from ultrathin membranes and with smaller catheters would be desirable.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pan.13973","type":"journal-article","created":{"date-parts":[[2020,7,20]],"date-time":"2020-07-20T21:46:23Z","timestamp":1595281583000},"page":"1245-1253","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Dimensional compatibility of balloon\u2010tipped bronchial blockers with the pediatric airway anatomy using different recommendations for age\u2010related size selection"],"prefix":"10.1111","volume":"30","author":[{"given":"Markus","family":"Goetschi","sequence":"first","affiliation":[{"name":"Department of Anesthesia University Children\u2019s Hospital Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Kemper","sequence":"additional","affiliation":[{"name":"Department of Anesthesia University Children\u2019s Hospital Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mital H.","family":"Dave","sequence":"additional","affiliation":[{"name":"Department of Anesthesia University Children\u2019s Hospital Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5595-8529","authenticated-orcid":false,"given":"Maren","family":"Kleine\u2010Brueggeney","sequence":"additional","affiliation":[{"name":"Department of Anesthesia University Children\u2019s Hospital Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georg","family":"Henze","sequence":"additional","affiliation":[{"name":"Department of Anesthesia University Children\u2019s Hospital Zurich Zurich 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 Anesthesia University Children\u2019s Hospital Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,9,13]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.atc.2005.07.006"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00000539-199912000-00019"},{"key":"e_1_2_8_4_1","first-page":"57","article-title":"Paediatric lung isolation","volume":"17","author":"Letal M","year":"2017","journal-title":"Br J Anesth"},{"key":"e_1_2_8_5_1","first-page":"651","volume-title":"Pediatric Anesthesia","author":"Bissonnette B","year":"2011"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.12129"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1460-9592.2002.00818.x"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/00001503-200502000-00003"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/0310057X0203000512"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/pan.13210"},{"key":"e_1_2_8_11_1","unstructured":"Fogarty arterial embolectomy catheters.https:\/\/edwardsprod.blob.core.windows.net\/media\/Default\/devices\/catheters\/clot%20management\/fogartyclotmanagement.pdf. 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