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Titolo:
Occupational exposure in hospitals to nitrous oxide and the new inhalationanaesthetics desflurane and sevoflurane
Autore:
Byhahn, C; Lischke, V; Westphal, K;
Indirizzi:
Univ0590nkfurt Klinikum, Klin Anasthesiol Intens Med & Schmerztherapie, D-6 Univ Frankfurt Klinikum Frankfurt Germany D-60590 & Schmerztherapie, D-6
Titolo Testata:
DEUTSCHE MEDIZINISCHE WOCHENSCHRIFT
fascicolo: 6, volume: 124, anno: 1999,
pagine: 137 - 141
Fonte:
ISI
Lingua:
GER
Soggetto:
ANESTHETIC-GASES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Byhahn, C Univodornkfurt Klinikum, Klin Anasthesiol Intens Med & Schmerztherapie, The Univ Frankfurt Klinikum Theodor Stern Kai 7 Frankfurt Germany D-60590
Citazione:
C. Byhahn et al., "Occupational exposure in hospitals to nitrous oxide and the new inhalationanaesthetics desflurane and sevoflurane", DEUT MED WO, 124(6), 1999, pp. 137-141

Abstract

Background and objektive: There have been few studies of the occupational exposure of the new volatile anaesthetic agents desflurane and sevoflurane. Because a health risk through long-term exposure to these inhalants cannotas yet be definitely excluded, we undertook to measure the concentrations of these three anaesthetics in different parts of the Frankfurt University Medical Centre. Considering the results the relevance of exposure for surgical and anaesthesiogical personnel, possible consequences due to laws and possibilities of improvement were shown,Methods: The concentration of the three anaesthetics was measured during and after 345 procedures under general anaesthesia, using photoacoustic infra-red-spectrometry every 90 sec in the breathing zone of the same operatingroom personnel or in the recovery room and the intensive care unit. Results: Exposure of personnel in the air-conditioned operating rooms was very low, but in those rooms that were not or inadequately air conditioned was a times very high. The level of the concentrations was also significantly related to the anaesthesia system and the distance of the exposed personto the patient. The concentration of nitrous oxide was below the maximal working-place concentration (MWC) of 100 ppm, but it exceeded the threshold concentration of 0,1 MAC, as laid down in the,,Maternal Protection Law" in the surgical intensive care unit and the recovery room. There are no limiting concentrations for desflurance and sevoflurane yet but their concentrations were clearly below the MWC laid down for isoflurance and enflurane. Conclusion: In principle the use of inhalation anaesthetics tan be considered to be without occupational health risk under the present legally defined standards of air-conditioning and the requirements of a modern occupational protection law. Because of the increased concentrations in the recovery room and intensive care unit pregnant and breast-feeding women should not work in these areas.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/10/20 alle ore 18:26:45