Reduction of nitrous oxide contamination in a paediatric hospital

Flowerdew, Richard M.; Brummitt, W. M.

doi:10.1007/bf03006450

Cited by 2 publications

(2 citation statements)

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“…Median [interquartile range] 1 h postoperative nitrous oxide concentrations (ppm) in oncology, dental theatre, day surgery unit and MRI suite were: blood, 6 [3][4][5][6][7] [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. .............................................................................................................................................................................................................. Unpaired t-test was applied to determine if there were any significant relationships between blood sevoflurane and nitrous oxide concentration and the type of induction technique, airway management, circuit used or presence of scavenging.…”

Section: Resultsmentioning

confidence: 99%

“…Sevoflurane and nitrous oxide are used frequently in these circumstances. Studies have shown that exposure to waste anaesthetic gases during paediatric operating lists is high, especially during inhalational induction [1–6]. Previous studies in our hospital have also shown that staff exposure in nonopertaing theatre situations is high, whereas in the operating theatre, exposure was generally found to be within acceptable limits [7].…”

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confidence: 93%

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Evaluation of personal, environmental and biological exposure of paediatric anaesthetists to nitrous oxide and sevoflurane*

Raj¹,

Henderson

Hall

et al. 2003

Anaesthesia

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SummaryPaediatric anaesthetists are at higher risk of exposure to waste anaesthetic gases, which often exceed set safety limits. Recommended personal diffusive sampling techniques for monitoring exposure to waste anaesthetic gases may not give a true profile of exposure and hence biological sampling may also be necessary. We evaluated the exposure of paediatric anaesthetists to nitrous oxide and sevoflurane as assessed by personal environmental and biological samples. The influence of venue and technique, and the strength of the relationship among the various sampling techniques were analysed. The study found that exposure to nitrous oxide during paediatric anaesthetic inductions is still a major problem, although exposure to sevoflurane was usually within the accepted limits. The type of breathing system used and the presence of scavenging seem to influence this exposure, though surprisingly, the induction technique or the methods of airway control do not. No significant relationship was found between the various biological indicators measured.

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