{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T06:08:18Z","timestamp":1792649298108,"version":"4.5.0"},"reference-count":29,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,7,23]],"date-time":"2019-07-23T00:00:00Z","timestamp":1563840000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001136","name":"Australian and New Zealand College of Anaesthetists","doi-asserted-by":"publisher","award":["15\/024"],"award-info":[{"award-number":["15\/024"]}],"id":[{"id":"10.13039\/501100001136","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007617","name":"Falck Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007617","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Anaesthesiol Scand"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Noninvasive monitoring of cerebral physiology could potentially guide pre\u2010hospital management of patients with traumatic injuries. Near\u2010infrared spectroscopy (NIRS) is one such modality but the consistency of monitoring performance remains unclear. This study assessed the proportion of successful signal collection during pre\u2010hospital care.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>As part of a prospective observational study, an independent study observer placed three sensors for a Nonin 7610 NIRS device; two on the forehead and one on the forearm. NIRS records were analysed for time of adequate monitoring signal in each sensor (&gt;70% of total pre\u2010hospital time). We also compared pre\u2010hospital scene and transport times for patients with or without NIRS monitoring.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Sixty\u2010three patients with monitoring sensors applied were compared to 255 patients where no study observer was on board and 97 without NIRS monitoring for various reasons within the same time period. The proportion of pre\u2010hospital time with successful monitoring (&gt;70%) was 71.4% (45 of 63) for all three sensors, with at least two sensors functional in 90.4% (57 of 63). The median (interquartile range) scene time was 19 (11\u201023) minutes in patients with NIRS monitoring compared to 18 (11\u201027) minutes without NIRS monitoring (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.570). There was no difference in the median (interquartile range) total pre\u2010hospital time between patients with or without monitoring sensors (72 [59\u201089] versus 72 [59\u201080] minutes; <jats:italic>P<\/jats:italic>\u00a0=\u00a0.605).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In this pre\u2010hospital observational feasibility study with dedicated personnel an acceptable proportion of measurement time was achieved in over 90% of monitored subjects. Addition of NIRS monitoring did not alter pre\u2010hospital scene or transport times in this research setting.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aas.13444","type":"journal-article","created":{"date-parts":[[2019,7,9]],"date-time":"2019-07-09T10:23:37Z","timestamp":1562667817000},"page":"117-123","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Near\u2010infrared spectroscopy monitoring in a pre\u2010hospital trauma patient cohort: An analysis of successful signal collection"],"prefix":"10.1111","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6070-9466","authenticated-orcid":false,"given":"Andrew","family":"Weatherall","sequence":"first","affiliation":[{"name":"CareFlight Northmead New South Wales Australia"},{"name":"Discipline of Child and Adolescent Health, Faculty of Medicine and Health The University of Sydney Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elwyn","family":"Poynter","sequence":"additional","affiliation":[{"name":"CareFlight Northmead New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4010-9137","authenticated-orcid":false,"given":"Alan","family":"Garner","sequence":"additional","affiliation":[{"name":"CareFlight Northmead New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2864-0045","authenticated-orcid":false,"given":"Anna","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia and Intensive Care The Chinese University of Hong Kong Sha Tin Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,7,23]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/TA.0b013e3182127baa"},{"key":"e_1_2_11_3_1","unstructured":"Access Economics. 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