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Availability of a suctioning device with a suction catheter capable of clearing the airway is mandatory for airway management. However, suction performance may be significantly different amongst different suction catheters. The aim of this study was to compare suction rates of a standard 14 Ch suction catheter (SC), a Yankauer catheter (Y) and a DuCanto catheter (DC) using 4 fluids with different viscosity.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>In this simulation trial, 4 preparations with standardized viscosity were prepared using a Xanthane-based medical fluid thickener. Lowest viscosity was achieved using tap water without thickener, syrup-like viscosity was achieved by adding 10\u00a0g per liter tap water, honey-like viscosity was achieved by adding 20\u00a0g per liter, and a pudding-like viscosity was achieved by adding 30\u00a0g of thickening powder per liter tap water. Each preparation was suctioned for 15\u00a0s with the three different suctioning devices. Measurements were repeated four times. The amount of removed preparation by suctioning was measured using a tared scale.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Suction rates for water were 580\u2009\u00b1\u200934\u00a0mg for SC, 888\u2009\u00b1\u20095\u00a0mg for Y and 1087\u2009\u00b1\u200915 for DC; for syrup-like viscosity it was 383\u2009\u00b1\u200934(SC) vs. 661\u2009\u00b1\u200964(Y) vs. 935\u2009\u00b1\u200942(DC); for honey-like viscosity it was 191\u2009\u00b1\u200921(SC) vs. 426\u2009\u00b1\u200934(Y) vs. 590\u2009\u00b1\u200968(DC); and for pudding-like viscosity 74\u2009\u00b1\u200913(SC) vs. 164\u2009\u00b1\u20096(Y) vs. 211\u2009\u00b1\u20098(DC).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Suctioning liquids of different viscosity, the new DuCanto catheter was more effective than the Yankauer catheter that was more effective than a standard suctioning catheter. The relative superiority of the DuCanto was highest in fluids with high viscosity.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12871-022-01830-2","type":"journal-article","created":{"date-parts":[[2022,9,10]],"date-time":"2022-09-10T07:02:48Z","timestamp":1662793368000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Comparing suction rates of novel DuCanto catheter against Yankauer and standard suction catheter using liquids of different viscosity\u2014a technical simulation"],"prefix":"10.1186","volume":"22","author":[{"given":"Simon-Richard","family":"Finke","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel C.","family":"Schroeder","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannes","family":"Ecker","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernd W.","family":"B\u00f6ttiger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holger","family":"Herff","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wolfgang A.","family":"Wetsch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,9,10]]},"reference":[{"key":"1830_CR1","doi-asserted-by":"publisher","first-page":"31","DOI":"10.1097\/ALN.0000000000004002","volume":"136","author":"JL Apfelbaum","year":"2022","unstructured":"Apfelbaum JL, Hagberg CA, Connis RT, Abdelmalak BB, Agarkar M, Dutton RP, et al. 2022 American Society of Anesthesiologists Practice Guidelines for Management of the Difficult Airway. 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