{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T18:55:12Z","timestamp":1793127312099,"version":"4.5.0"},"reference-count":42,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2018,11,1]],"date-time":"2018-11-01T00:00:00Z","timestamp":1541030400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Anaesth Intensive Care"],"published-print":{"date-parts":[[2018,11]]},"abstract":"<jats:p>The purpose of this prospective observational study was to measure gastric volumes in fasted patients using bedside gastric ultrasound. Patients presenting for non-emergency surgery underwent a gastric antrum assessment, using the two-diameter and free-trace methods to determine antral cross-sectional area. Gastric residual volume (GRV) was calculated using a validated formula. Univariate and multivariable analyses were performed to examine any potential relationships between \u2018at risk\u2019 GRVs (&gt;100 ml) and patient factors. Two hundred and twenty-two successful scans were performed; of these 110 patients (49.5%) had an empty stomach, nine patients (4.1%) had a GRV &gt;100 ml, and a further six patients (2.7%) had a GRV &gt;1.5 ml\/kg. There was no significant relationship between \u2018at risk\u2019 GRV and obesity, diabetes mellitus, gastro-oesophageal reflux disease or opioid use, although our study had insufficient power to exclude an influence of one or more of these factors. Our results indicate that despite compliance with fasting guidelines, a small percentage of patients still have GRVs that pose a pulmonary aspiration risk. Anaesthetists should consider this background incidence when choosing anaesthesia techniques for their patients. While future observational studies are required to determine the role of preoperative bedside gastric ultrasound, it is possible that this technique may assist anaesthetists in identifying patients with \u2018at risk\u2019 GRVs.<\/jats:p>","DOI":"10.1177\/0310057x1804600612","type":"journal-article","created":{"date-parts":[[2019,1,10]],"date-time":"2019-01-10T00:52:25Z","timestamp":1547081545000},"page":"608-613","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":49,"title":["Preoperative Gastric Residual Volumes in Fasted Patients Measured by Bedside Ultrasound: A Prospective Observational Study"],"prefix":"10.1177","volume":"46","author":[{"given":"Y.","family":"Ohashi","sequence":"first","affiliation":[{"name":"Department of Anaesthesia and Pain Medicine, Fiona Stanley Fremantle Hospitals Group, Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. C.","family":"Walker","sequence":"additional","affiliation":[{"name":"Consultant Anaesthetist, Anaesthetic Department, Royal Bournemouth Hospital, Bournemouth, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Sir Charles Gairdner Hospital, Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. E.","family":"Prindiville","sequence":"additional","affiliation":[{"name":"Sonographer, Department of Imaging Services, Royal Perth Hospital, Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. P.","family":"Hanrahan","sequence":"additional","affiliation":[{"name":"General Practitioner, Queens Park Medical Centre, Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Mendelson","sequence":"additional","affiliation":[{"name":"Emeritus Consultant Radiologist, Department of Diagnostic and Interventional Radiology, Royal Perth Hospital; Clinical Professor, University of Western Australia; Adjunct Professor, Notre Dame University; Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Corcoran","sequence":"additional","affiliation":[{"name":"Director of Research, Department of Anaesthesia and Pain Medicine, Royal Perth Hospital; Clinical Professor, School of Medicine and Pharmacology, University of Western Australia; Raine Clinical Research Fellow, Raine Foundation\/WA Health Department; Adjunct Clinical Professor, School of Public Health and Preventive Medicine, Monash University Australia; Perth, Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2018,11,1]]},"reference":[{"key":"bibr1-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1136\/qshc.2002.004259"},{"key":"bibr2-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM200103013440908"},{"key":"bibr3-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.1986.tb02373.x"},{"key":"bibr4-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aer058"},{"key":"bibr5-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1177\/014860710202600602"},{"key":"bibr6-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/83.3.453"},{"key":"bibr7-0310057X1804600612","doi-asserted-by":"crossref","first-page":"376","DOI":"10.1097\/ALN.0000000000001452","volume":"126","author":"American Society of Anesthesiologists Committee.","year":"2017","journal-title":"Anesthesiology"},{"key":"bibr8-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/70.1.6"},{"key":"bibr9-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1016\/j.atc.2005.03.010"},{"key":"bibr10-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.291.6491.310"},{"key":"bibr11-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.2010.02277.x"},{"key":"bibr12-0310057X1804600612","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1213\/00000539-199801000-00030","volume":"86","author":"Harter R.L.","year":"1998","journal-title":"Anesth Analg"},{"key":"bibr13-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/00000539-200111000-00063"},{"key":"bibr14-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.1991.tb03354.x"},{"key":"bibr15-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aeu151"},{"key":"bibr16-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/ALN.0b013e3181a97250"},{"key":"bibr17-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aev113"},{"key":"bibr18-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1213\/ANE.0b013e318274fc19"},{"key":"bibr19-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/ALN.0b013e31820dee48"},{"key":"bibr20-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/ALN.0000000000000193"},{"key":"bibr21-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1111\/anae.14179"},{"key":"bibr22-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1007\/s12630-013-9974-y"},{"key":"bibr23-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aeu369"},{"key":"bibr24-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(07)61602-X"},{"key":"bibr25-0310057X1804600612","unstructured":"National confidential enquiry into patient outcome and death. classification of interventions. From http:\/\/www.ncepod.org.uk\/classification.html. Accessed July 2018."},{"key":"bibr26-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1007\/s12630-011-9661-9"},{"key":"bibr27-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1016\/0016-5085(85)90569-4"},{"key":"bibr28-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1213\/ANE.0b013e31821b98c0"},{"key":"bibr29-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/65.2.248"},{"key":"bibr30-0310057X1804600612","first-page":"754","volume":"87","author":"Schreiner M.S.","year":"1998","journal-title":"Anesth Analg"},{"key":"bibr31-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1007\/s12630-017-1031-9"},{"key":"bibr32-0310057X1804600612","first-page":"274","volume":"73","author":"Van de Putte P.","year":"2018","journal-title":"In search of the Holy Grail? Anaesthesia"},{"key":"bibr33-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aew435"},{"key":"bibr34-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aew462"},{"key":"bibr35-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1093\/nutrit\/nuv032"},{"key":"bibr36-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1007\/BF03010537"},{"key":"bibr37-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1007\/BF03007577"},{"key":"bibr38-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1213\/ANE.0000000000000373"},{"key":"bibr39-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/00000542-199301000-00010"},{"key":"bibr40-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1177\/009127009803801105"},{"key":"bibr41-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1097\/00000542-200505000-00007"},{"key":"bibr42-0310057X1804600612","doi-asserted-by":"publisher","DOI":"10.1111\/anae.14282"}],"container-title":["Anaesthesia and Intensive Care"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0310057X1804600612","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0310057X1804600612","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T09:10:42Z","timestamp":1777367442000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0310057X1804600612"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,11]]},"references-count":42,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2018,11]]}},"alternative-id":["10.1177\/0310057X1804600612"],"URL":"https:\/\/doi.org\/10.1177\/0310057x1804600612","relation":{},"ISSN":["0310-057X","1448-0271"],"issn-type":[{"value":"0310-057X","type":"print"},{"value":"1448-0271","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,11]]}}}