2002
DOI: 10.1097/00000539-200205000-00036
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Environmental Monitoring of Sevoflurane and Nitrous Oxide Using the Cuffed Oropharyngeal Airway

Abstract: In this study, we have shown that the occupational exposure to waste anesthetic gases is comparable when using the cuffed oropharyngeal airway (COPA) and the laryngeal mask airway and is increased when using the face mask. Therefore, the COPA may be a valuable alternative to the conventional face mask during short surgical procedures.

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Cited by 19 publications
(16 citation statements)
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“…to restore visibility), is therefore accompanied by the release of sevoflurane vapor. Hence, it is an additional source of waste anaesthetic gas (WAG) pollution [59,60,[63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78][79]. Known sources of WAG pollution include leakage from the patient's mask, from endotracheal coupling, from loose tube fittings and from air exhaled by the patient in the recovery room.…”
Section: Discussionmentioning
confidence: 99%
“…to restore visibility), is therefore accompanied by the release of sevoflurane vapor. Hence, it is an additional source of waste anaesthetic gas (WAG) pollution [59,60,[63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78][79]. Known sources of WAG pollution include leakage from the patient's mask, from endotracheal coupling, from loose tube fittings and from air exhaled by the patient in the recovery room.…”
Section: Discussionmentioning
confidence: 99%
“…Die Ex po si ti on ge gen über In ha la ti ons an äs-the ti ka ist be reits viel fach Ge gen stand von Un ter su chun gen ge we sen [3,4,5,6,8,9,10,11,12,13,14,17,18,19]. Da bei be stand aber fast im mer eine Misch ex po si ti on gegen über vo la ti len An äs the ti ka und N 2 O. Stu di en zur al lei ni gen Ex po si ti on ge genüber Sevoflu ran, also ohne N 2 O, lie gen für Bron cho sko pi en bei Kin dern [17] und für Se die run gen über eine Na sen mas ke [10] vor.…”
Section: Dis Kus Si Onunclassified
“…Eine Unter su chung von Gus torff et al ver gleicht die Ex po si ti on ge gen über Sevoflu ran und N 2 O bei der Ver wen dung ei ner Ge sichtsmas ke, ei ner La rynx mas ke und ei nes geblock ten Oro pha ryn ge al tu bus mit ein ander. Sie fin den ver gleich bar nied ri ge Werte bei Ver wen dung des ge block ten Oro pharyn ge al tu bus und der La rynx mas ke (0,5-1,0 ppm für Sevoflu ran), aber deut lich hö-he re Wer te bei Ver wen dung der Ge sichtsmas ke (2,2 ppm für Sevoflu ran) [6]. Eine Mes sung der Ex po si ti on bei un terschied li chen For men der Ein lei tung (in hala tiv vs. in tra ve nös) durch Hoer auf et al [11] er gab hö he re Sevoflu ran kon zen tra tionen in der Raum luft nach ei ner in ha la tiven Ein lei tung, die auch im Ver lauf der Nar ko se noch mehr fach die NIOSH-Richtwer te [15] von 0,5 ppm über schrit ten.…”
Section: Dis Kus Si Onunclassified
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“…Therefore, in most countries, governmental organizations have established exposure limits for the different volatile anaesthetic agents. The adherence to such guidelines, mainly by preventing gas waste and the implementation of efficient scavenging systems, has helped to minimize the risk of occupational exposure [2][3][4][5] . However, despite the implementation of such measures, clinical situations may remain that are associated with an increased risk of anaesthetic gas waste, such as during inhalational mask induction, rigid bronchoscopy and also the use of volatile anaesthetic agents on cardiopulmonary bypass 6,7 .…”
Section: Introductionmentioning
confidence: 99%