The effect of cricoid and paralaryngeal force on upper oesophageal occlusion during induction of anaesthesia: a randomised, crossover study

Summary The aim of this study was to evaluate the effectiveness of cricoid and paralaryngeal force for oesophageal entrance occlusion during induction of anaesthesia. Seventy‐four patients were included in this randomised, crossover study. The relative position of the glottis and outer anteroposteri...

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Veröffentlicht in:Anaesthesia 2020-02, Vol.75 (2), p.179-186
Hauptverfasser: Kim, H., Chang, J.‐E., Won, D., Lee, J.‐M., Jung, J.‐Y., Choi, S., Min, S.‐W., Hwang, J.‐Y.
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container_end_page 186
container_issue 2
container_start_page 179
container_title Anaesthesia
container_volume 75
creator Kim, H.
Chang, J.‐E.
Won, D.
Lee, J.‐M.
Jung, J.‐Y.
Choi, S.
Min, S.‐W.
Hwang, J.‐Y.
description Summary The aim of this study was to evaluate the effectiveness of cricoid and paralaryngeal force for oesophageal entrance occlusion during induction of anaesthesia. Seventy‐four patients were included in this randomised, crossover study. The relative position of the glottis and outer anteroposterior diameter of the upper oesophageal entrance were assessed at baseline, after the application of 30 N cricoid and paralaryngeal force, and after induction of anaesthesia. The occlusion rate of the oesophageal entrance with cricoid and paralaryngeal force was assessed during direct laryngoscopy. The relative position of the upper oesophageal entrance to the glottis changed in 45 out of 74 patients after induction of anaesthesia and during direct laryngoscopy compared with the awake state. The application of cricoid and paralaryngeal force decreased the mean (SD) diameter of the upper oesophageal entrance to a similar degree in awake (8.5 (2.1) mm to 6.4 (1.7) mm and 6.5 (1.6) mm, respectively; p 
doi_str_mv 10.1111/anae.14873
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Seventy‐four patients were included in this randomised, crossover study. The relative position of the glottis and outer anteroposterior diameter of the upper oesophageal entrance were assessed at baseline, after the application of 30 N cricoid and paralaryngeal force, and after induction of anaesthesia. The occlusion rate of the oesophageal entrance with cricoid and paralaryngeal force was assessed during direct laryngoscopy. The relative position of the upper oesophageal entrance to the glottis changed in 45 out of 74 patients after induction of anaesthesia and during direct laryngoscopy compared with the awake state. The application of cricoid and paralaryngeal force decreased the mean (SD) diameter of the upper oesophageal entrance to a similar degree in awake (8.5 (2.1) mm to 6.4 (1.7) mm and 6.5 (1.6) mm, respectively; p &lt; 0.001) and anaesthetised (8.7 (2.2) mm to 6.5 (1.7) mm and (6.7 (1.9) mm, respectively; p &lt; 0.001) states. During direct laryngoscopy, the occlusion rate of the oesophageal entrance was greater with cricoid compared with paralaryngeal force (46/74 vs. 26/74, respectively; p = 0.002). The relative position of the upper oesophageal entrance to the glottis may change after induction of anaesthesia and during direct laryngoscopy. Cricoid and paralaryngeal force both decrease the diameter of the upper oesophageal entrance in awake and anaesthetised states. Occlusion of the oesophageal entrance is achieved more frequently with cricoid force compared with paralaryngeal force during direct laryngoscopy.</description><identifier>ISSN: 0003-2409</identifier><identifier>EISSN: 1365-2044</identifier><identifier>DOI: 10.1111/anae.14873</identifier><identifier>PMID: 31631314</identifier><language>eng</language><publisher>HOBOKEN: Wiley</publisher><subject>Anesthesia ; Anesthesia - methods ; Anesthesiology ; Cricoid Cartilage - anatomy &amp; histology ; cricoid force ; Cross-Over Studies ; direct laryngoscopy ; Esophagus ; Esophagus - anatomy &amp; histology ; Female ; Glottis ; Humans ; Intubation, Intratracheal - methods ; Laryngoscopy ; Laryngoscopy - methods ; Larynx - anatomy &amp; histology ; Life Sciences &amp; Biomedicine ; Male ; Medical instruments ; Middle Aged ; Occlusion ; oesophagus ; paralaryngeal force ; Pressure ; Randomization ; Science &amp; Technology ; Ultrasonography - methods ; ultrasound</subject><ispartof>Anaesthesia, 2020-02, Vol.75 (2), p.179-186</ispartof><rights>2019 Association of Anaesthetists</rights><rights>2019 Association of Anaesthetists.</rights><rights>Copyright © 2020 Association of Anaesthetists</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>6</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000491140700001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c3933-d65860d49a747dc5e2ae3baffdc8b22893d96ffb88769c9b16def204a97490093</citedby><cites>FETCH-LOGICAL-c3933-d65860d49a747dc5e2ae3baffdc8b22893d96ffb88769c9b16def204a97490093</cites><orcidid>0000-0001-6517-1634</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fanae.14873$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fanae.14873$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,782,786,1419,1435,27933,27934,28257,45583,45584,46418,46842</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31631314$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, H.</creatorcontrib><creatorcontrib>Chang, J.‐E.</creatorcontrib><creatorcontrib>Won, D.</creatorcontrib><creatorcontrib>Lee, J.‐M.</creatorcontrib><creatorcontrib>Jung, J.‐Y.</creatorcontrib><creatorcontrib>Choi, S.</creatorcontrib><creatorcontrib>Min, S.‐W.</creatorcontrib><creatorcontrib>Hwang, J.‐Y.</creatorcontrib><title>The effect of cricoid and paralaryngeal force on upper oesophageal occlusion during induction of anaesthesia: a randomised, crossover study</title><title>Anaesthesia</title><addtitle>ANAESTHESIA</addtitle><addtitle>Anaesthesia</addtitle><description>Summary The aim of this study was to evaluate the effectiveness of cricoid and paralaryngeal force for oesophageal entrance occlusion during induction of anaesthesia. Seventy‐four patients were included in this randomised, crossover study. The relative position of the glottis and outer anteroposterior diameter of the upper oesophageal entrance were assessed at baseline, after the application of 30 N cricoid and paralaryngeal force, and after induction of anaesthesia. The occlusion rate of the oesophageal entrance with cricoid and paralaryngeal force was assessed during direct laryngoscopy. The relative position of the upper oesophageal entrance to the glottis changed in 45 out of 74 patients after induction of anaesthesia and during direct laryngoscopy compared with the awake state. The application of cricoid and paralaryngeal force decreased the mean (SD) diameter of the upper oesophageal entrance to a similar degree in awake (8.5 (2.1) mm to 6.4 (1.7) mm and 6.5 (1.6) mm, respectively; p &lt; 0.001) and anaesthetised (8.7 (2.2) mm to 6.5 (1.7) mm and (6.7 (1.9) mm, respectively; p &lt; 0.001) states. During direct laryngoscopy, the occlusion rate of the oesophageal entrance was greater with cricoid compared with paralaryngeal force (46/74 vs. 26/74, respectively; p = 0.002). The relative position of the upper oesophageal entrance to the glottis may change after induction of anaesthesia and during direct laryngoscopy. Cricoid and paralaryngeal force both decrease the diameter of the upper oesophageal entrance in awake and anaesthetised states. Occlusion of the oesophageal entrance is achieved more frequently with cricoid force compared with paralaryngeal force during direct laryngoscopy.</description><subject>Anesthesia</subject><subject>Anesthesia - methods</subject><subject>Anesthesiology</subject><subject>Cricoid Cartilage - anatomy &amp; histology</subject><subject>cricoid force</subject><subject>Cross-Over Studies</subject><subject>direct laryngoscopy</subject><subject>Esophagus</subject><subject>Esophagus - anatomy &amp; histology</subject><subject>Female</subject><subject>Glottis</subject><subject>Humans</subject><subject>Intubation, Intratracheal - methods</subject><subject>Laryngoscopy</subject><subject>Laryngoscopy - methods</subject><subject>Larynx - anatomy &amp; histology</subject><subject>Life Sciences &amp; Biomedicine</subject><subject>Male</subject><subject>Medical instruments</subject><subject>Middle Aged</subject><subject>Occlusion</subject><subject>oesophagus</subject><subject>paralaryngeal force</subject><subject>Pressure</subject><subject>Randomization</subject><subject>Science &amp; Technology</subject><subject>Ultrasonography - methods</subject><subject>ultrasound</subject><issn>0003-2409</issn><issn>1365-2044</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>EIF</sourceid><recordid>eNqNkc2OFCEUhYnROD2jGx_AkLgxoz1CQVeBu05n_EkmuhnXFQou00yqixIKTT-DL-2t7nYWLoxsINzvHg7nEvKCsyuO650ZDFxxqRrxiCy4qFfLikn5mCwYY2JZSabPyHnO94zxSnH1lJwJXgsuuFyQX7dboOA92IlGT20KNgZHzeDoaJLpTdoPd2B66mOyQONAyzhCohFyHLfmUIrW9iUHrLmSwnBHw-CKneYLlJzd5WkLOZj31NCE0nEXMri3-FrMOf5AuTwVt39GnnjTZ3h-2i_Itw_Xt5tPy5uvHz9v1jdLK7QQS1evVM2c1KaRjbMrqAyIznjvrOqqSmnhdO19p1RTa6s7XjvwmIjRjdSMaXFBXh91xxS_FzTXoh8LfW8GiCW3lWCN0FpKgeirv9D7WNKA7pASsua1FgqpyyN1-FAC344p7DC6lrN2HlE7h9AeRoTwy5Nk6XbgHtA_M0FAHYGf0EWfbYDBwgOGM5Wac8kaPDG-CZOZk97EMkzY-ub_W5HmJzr0sP-H53b9ZX19dP8b76C-Fw</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Kim, H.</creator><creator>Chang, J.‐E.</creator><creator>Won, D.</creator><creator>Lee, J.‐M.</creator><creator>Jung, J.‐Y.</creator><creator>Choi, S.</creator><creator>Min, S.‐W.</creator><creator>Hwang, J.‐Y.</creator><general>Wiley</general><general>Blackwell Publishing Ltd</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7U7</scope><scope>C1K</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6517-1634</orcidid></search><sort><creationdate>202002</creationdate><title>The effect of cricoid and paralaryngeal force on upper oesophageal occlusion during induction of anaesthesia: a randomised, crossover study</title><author>Kim, H. ; Chang, J.‐E. ; Won, D. ; Lee, J.‐M. ; Jung, J.‐Y. ; Choi, S. ; Min, S.‐W. ; Hwang, J.‐Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3933-d65860d49a747dc5e2ae3baffdc8b22893d96ffb88769c9b16def204a97490093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Anesthesia</topic><topic>Anesthesia - methods</topic><topic>Anesthesiology</topic><topic>Cricoid Cartilage - anatomy &amp; histology</topic><topic>cricoid force</topic><topic>Cross-Over Studies</topic><topic>direct laryngoscopy</topic><topic>Esophagus</topic><topic>Esophagus - anatomy &amp; histology</topic><topic>Female</topic><topic>Glottis</topic><topic>Humans</topic><topic>Intubation, Intratracheal - methods</topic><topic>Laryngoscopy</topic><topic>Laryngoscopy - methods</topic><topic>Larynx - anatomy &amp; histology</topic><topic>Life Sciences &amp; Biomedicine</topic><topic>Male</topic><topic>Medical instruments</topic><topic>Middle Aged</topic><topic>Occlusion</topic><topic>oesophagus</topic><topic>paralaryngeal force</topic><topic>Pressure</topic><topic>Randomization</topic><topic>Science &amp; Technology</topic><topic>Ultrasonography - methods</topic><topic>ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, H.</creatorcontrib><creatorcontrib>Chang, J.‐E.</creatorcontrib><creatorcontrib>Won, D.</creatorcontrib><creatorcontrib>Lee, J.‐M.</creatorcontrib><creatorcontrib>Jung, J.‐Y.</creatorcontrib><creatorcontrib>Choi, S.</creatorcontrib><creatorcontrib>Min, S.‐W.</creatorcontrib><creatorcontrib>Hwang, J.‐Y.</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Anaesthesia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, H.</au><au>Chang, J.‐E.</au><au>Won, D.</au><au>Lee, J.‐M.</au><au>Jung, J.‐Y.</au><au>Choi, S.</au><au>Min, S.‐W.</au><au>Hwang, J.‐Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of cricoid and paralaryngeal force on upper oesophageal occlusion during induction of anaesthesia: a randomised, crossover study</atitle><jtitle>Anaesthesia</jtitle><stitle>ANAESTHESIA</stitle><addtitle>Anaesthesia</addtitle><date>2020-02</date><risdate>2020</risdate><volume>75</volume><issue>2</issue><spage>179</spage><epage>186</epage><pages>179-186</pages><issn>0003-2409</issn><eissn>1365-2044</eissn><abstract>Summary The aim of this study was to evaluate the effectiveness of cricoid and paralaryngeal force for oesophageal entrance occlusion during induction of anaesthesia. Seventy‐four patients were included in this randomised, crossover study. The relative position of the glottis and outer anteroposterior diameter of the upper oesophageal entrance were assessed at baseline, after the application of 30 N cricoid and paralaryngeal force, and after induction of anaesthesia. The occlusion rate of the oesophageal entrance with cricoid and paralaryngeal force was assessed during direct laryngoscopy. The relative position of the upper oesophageal entrance to the glottis changed in 45 out of 74 patients after induction of anaesthesia and during direct laryngoscopy compared with the awake state. The application of cricoid and paralaryngeal force decreased the mean (SD) diameter of the upper oesophageal entrance to a similar degree in awake (8.5 (2.1) mm to 6.4 (1.7) mm and 6.5 (1.6) mm, respectively; p &lt; 0.001) and anaesthetised (8.7 (2.2) mm to 6.5 (1.7) mm and (6.7 (1.9) mm, respectively; p &lt; 0.001) states. During direct laryngoscopy, the occlusion rate of the oesophageal entrance was greater with cricoid compared with paralaryngeal force (46/74 vs. 26/74, respectively; p = 0.002). The relative position of the upper oesophageal entrance to the glottis may change after induction of anaesthesia and during direct laryngoscopy. Cricoid and paralaryngeal force both decrease the diameter of the upper oesophageal entrance in awake and anaesthetised states. Occlusion of the oesophageal entrance is achieved more frequently with cricoid force compared with paralaryngeal force during direct laryngoscopy.</abstract><cop>HOBOKEN</cop><pub>Wiley</pub><pmid>31631314</pmid><doi>10.1111/anae.14873</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-6517-1634</orcidid><oa>free_for_read</oa></addata></record>
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subjects Anesthesia
Anesthesia - methods
Anesthesiology
Cricoid Cartilage - anatomy & histology
cricoid force
Cross-Over Studies
direct laryngoscopy
Esophagus
Esophagus - anatomy & histology
Female
Glottis
Humans
Intubation, Intratracheal - methods
Laryngoscopy
Laryngoscopy - methods
Larynx - anatomy & histology
Life Sciences & Biomedicine
Male
Medical instruments
Middle Aged
Occlusion
oesophagus
paralaryngeal force
Pressure
Randomization
Science & Technology
Ultrasonography - methods
ultrasound
title The effect of cricoid and paralaryngeal force on upper oesophageal occlusion during induction of anaesthesia: a randomised, crossover study
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