Pollution of delivery ward air by nitrous oxide – methoxyflurane

BENGT-EINAR DAHLGREN Department of Anaesthesiology, University Hospital, S-581 85 Linköping, Sweden

LARS OLANDER Department of Occupational Safety and Health, S-100 26 Stockholm, Sweden

PER ÖVRUM Department of Occupational Safety and Health, S-100 26 Stockholm, Sweden

Abstract

Pollution of delivery ward atmosphere by analgesic gases and vapors has not been studied as extensively as pollution of operating theaters. This study shows that delivery room atmosphere is polluted by methoxyflurane (0.5–0.8 ppm) and nitrous oxide (300–540 ppm) and that a local gas exhaust system reduces the concentration by half.

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Pollution of delivery ward air by nitrous oxide – methoxyflurane

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Pollution of delivery ward air by nitrous oxide – methoxyflurane

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