{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T03:44:30Z","timestamp":1779335070039,"version":"3.51.4"},"reference-count":20,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2016,8,14]],"date-time":"2016-08-14T00:00:00Z","timestamp":1471132800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Anaesthesia"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    To assess the degree to which cricoid pressure (Sellick manoeuvre) actually compresses the oesophagus, we measured the effect of cricoid pressure and paralaryngeal pressure on the outer anteroposterior diameter of the upper oesophagus with ultrasound in 39 healthy volunteers. The mean (\n                    <jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>\n                    ) outer anteroposterior oesophageal diameter was 0.77 (0.11)\u00a0cm with no pressure, 0.79 (0.13)\u00a0cm with the application of cricoid pressure of 30\u00a0N and 0.68 (0.12)\u00a0cm with the application of paralaryngeal pressure of 30\u00a0N (p\u00a0&lt;\u00a00.0001). If cricoid pressure does not reduce the anteroposterior diameter of the oesophagus, it is difficult or impossible to explain the efficacy of the Sellick manoeuvre. However, paralaryngeal pressure decreases this diameter and has the potential to occlude the upper oesophagus.\n                  <\/jats:p>","DOI":"10.1111\/anae.13518","type":"journal-article","created":{"date-parts":[[2016,8,14]],"date-time":"2016-08-14T22:15:31Z","timestamp":1471212931000},"page":"1024-1029","source":"Crossref","is-referenced-by-count":28,"title":["Ultrasound evaluation of the impact of cricoid pressure versus novel \u2018paralaryngeal pressure\u2019 on anteroposterior oesophageal diameter"],"prefix":"10.1111","volume":"71","author":[{"given":"P.","family":"Andruszkiewicz","sequence":"first","affiliation":[{"name":"2nd Department of Anaesthesia and Intensive Care Warsaw Medical University Warsaw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Wojtczak","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia University of Rochester School of Medicine and Dentistry Rochester New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L.","family":"Wroblewski","sequence":"additional","affiliation":[{"name":"2nd Department of Anaesthesia and Intensive Care Warsaw Medical University Warsaw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Kaczor","sequence":"additional","affiliation":[{"name":"2nd Department of Anaesthesia and Intensive Care Warsaw Medical University Warsaw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Sobczyk","sequence":"additional","affiliation":[{"name":"Department of Noninvasive Cardiovascular Diagnostics John Paul 2nd Hospital Krakow Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I.","family":"Kowalik","sequence":"additional","affiliation":[{"name":"Institute of Cardiology Warsaw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,8,14]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2044.2008.05681.x"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aev371"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(61)92485-0"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF03026872"},{"key":"e_1_2_7_6_1","unstructured":"CookT WoodallN FrerkC.4th National Audit Project of The Royal College of Anaesthetists and The Difficult Airway Society. 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