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  • Title: Waste anesthetic gas exposures to veterinarians and animal technicians.
    Author: Wingfield WE, Ruby DL, Buchan RM, Gunther BJ.
    Journal: J Am Vet Med Assoc; 1981 Feb 15; 178(4):399-402. PubMed ID: 7195390.
    Abstract:
    A survey of veterinarians was conducted in an 11-county region of eastern Colorado to determine the extent of usage of inhalation anesthetics and to measure exposures of veterinarians and their assistants to waste anesthetic gases. The survey indicated that inhalation anesthetics were used in 80.8% of the 210 practices. Exposures to waste anesthetics in veterinary practices were far less than reported in human hospitals. Waste anesthetic concentrations were affected by size of the patient, type of breathing system, and use of scavenging systems. Dilution ventilation had no effect on breathing zone concentrations. The endotracheal tube and occasionally the anesthetic machine were the major sources of leakage of anesthetic gases.
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