{"title":"Operating room nitrous oxide trace concentrations: a clinical study in ambulatory surgery","authors":"R.E. Anderson , G. Barr , J.G. Jakobsson","doi":"10.1016/j.ambsur.2004.10.002","DOIUrl":null,"url":null,"abstract":"<div><h3>Purpose:</h3><p>This blinded study evaluates the N<sub>2</sub><span>O concentration variations in an ambulatory surgery centre using a small, simple on-line trace gas concentration monitor (GasFinder™ [Medair AB, Delsbo, Sweden]).</span></p></div><div><h3>Scope:</h3><p>Thirty-seven day surgical sessions using standardised anaesthesia with propofol/fentanyl induction and sevoflurane/N<sub>2</sub><span>O with larynx mask. Five of 37 time-weighted averages (TWA) were greater than 25</span> <!-->ppm but less than 100. Peak registered concentrations reached 2000<!--> <!-->ppm. Eleven sessions showed peak values higher than 100<!--> <!-->ppm (range 13–1693).</p></div><div><h3>Conclusions:</h3><p>This simple, on-line N<sub>2</sub>O monitor is a useful tool for detecting deviations from strict gas hygiene.</p></div>","PeriodicalId":38794,"journal":{"name":"Ambulatory Surgery","volume":"12 1","pages":"Pages 23-26"},"PeriodicalIF":0.0000,"publicationDate":"2005-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ambsur.2004.10.002","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ambulatory Surgery","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0966653204000368","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Nursing","Score":null,"Total":0}
引用次数: 3
Abstract
Purpose:
This blinded study evaluates the N2O concentration variations in an ambulatory surgery centre using a small, simple on-line trace gas concentration monitor (GasFinder™ [Medair AB, Delsbo, Sweden]).
Scope:
Thirty-seven day surgical sessions using standardised anaesthesia with propofol/fentanyl induction and sevoflurane/N2O with larynx mask. Five of 37 time-weighted averages (TWA) were greater than 25 ppm but less than 100. Peak registered concentrations reached 2000 ppm. Eleven sessions showed peak values higher than 100 ppm (range 13–1693).
Conclusions:
This simple, on-line N2O monitor is a useful tool for detecting deviations from strict gas hygiene.
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