Advertisement

Contamination and resterilization of the bain circuit

  • A. C. Enright
  • R. L. Moore
  • F. L. Parney
Article

Summary

Fifty Bain circuits were tested for contamination following single patient use. A contamination rate of 8 per cent was found. Two methods of resterilization were examined. Sterilization by activated glutaraldehyde proved unsatisfactory, while ethylene oxide sterilization was found to be an effective method which produced no detectable adverse physical or chemical alterations of the circuits.

Keywords

Ethylene Oxide Tracheal Stenosis Contamination Rate Bain Circuit Cross Infection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Résumé

Une recherche de contamination effectuée sur 50 circuits Bain après usage chez un seul patient, a mis en évidence une contamination bactérienne dans quatre cas. Deux des six circuits contaminés ont continué à donner des cultures positives après tentative de les stériliser au moyen de glutaraldehyde activée. Vingt cinq circuits contaminés ont tous été démontrés bien stériles après stérilisation à l’oxyde d’éthylène. Dix circuits stérilisés cinq fois de suite à l’oxyde d’éthylène sont demeurés mécaniquement inchangés. Les auteurs discutent de la restérilisation de l’équipement “à usage unique” et concluent que l’oxyde d’éthylène est une méthode satisfaisante de restérilisation des circuits Bain.

References

  1. 1.
    Roberts, R.B. The anaesthetist, cross-infection and sterilization. Techniques - a review. Anaesth. Interns. Care1: 400 (1973).Google Scholar
  2. 2.
    Thomas, E. Bacterial hazards and control in anaesthesia. AORN journal19: 88 (1974).PubMedCrossRefGoogle Scholar
  3. 3.
    Walter, Carl. Cross infection and the anaesthesiologist. Anaesth. & Analg.35: 631 (1974).Google Scholar
  4. 4.
    Pandit, S.K., Mehta, S., &Agarwal, S.C. Risk of cross infection from inhalation anaesthetic equipment. Brit. J. Anaesth.39: 838 (1967).PubMedCrossRefGoogle Scholar
  5. 5.
    Drydex, G.E. Uncleaned anaesthesia equipment J.A.M.A.233: 1297 (1975).CrossRefGoogle Scholar
  6. 6.
    Roberts, R.B. Eradication of cross infection from anaesthetic equipment. Anaesth. & Analg.49: 63 (1970).Google Scholar
  7. 7.
    Albrecht, W.H. &Dryden, G.E. Five-year experience with the development of an individually clean anaesthesia system. Anaesth. & Analg.53: 24 (1974).Google Scholar
  8. 8.
    Parmley, J.B., Tahir, A.H., Dascomb, H.E., &Adriani, J. Disposable versus reusable breathing circuits; advantages, disadvantages, hazards and bactériologic studies. Anaesth. & Analg.51: 888 (1972).Google Scholar
  9. 9.
    Pethick, S.L. (Letters to the editor). Can Anaesth. Soc. J.22: 115 (1975).Google Scholar
  10. 10.
    Joseph, J.M. Disease transmission by inefficiently sanitized anaesthetizing apparatus. J.A.M.A.149: 1196 (1952).Google Scholar
  11. 11.
    Tinne, J.E., Gordon, A.M., Bain, W.H., &Mackey, W.A. Cross-infection byPseudomonas aeruginosa as a hazard of intensive surgery. Brit. Med. J.4: 313 (1967).PubMedGoogle Scholar
  12. 12.
    Old, J.W., Kisch, A.L., Eberle, B.J., &Wilson, J.N.Pseudomonas aeruginosa respiratory tract infection acquired from a contaminated anaesthesia machine. Am. Rev. Respir. Dis.105: 628 (1972).Google Scholar
  13. 13.
    Warner, P. &Doherty, J. Disinfection of anaesthetic apparatus. Can. J. Surg.3: 349 (1960).PubMedGoogle Scholar
  14. 14.
    Lumley, J. Decontamination of anaesthetic equipment and ventilators. Brit. J. Anaesth.48: 3 (1976).PubMedCrossRefGoogle Scholar
  15. 15.
    Whitcher, C.E. Dirty equipment - cleaning and sterilization. Audiodigest Anaesthesiology17: 14 (1975).Google Scholar
  16. 16.
    Craig, D.B., Cowan, S.A., Forsyth, W., &Parker, S.E. Disinfection of anaesthesia equipment by a mechanized pasteurization method. Can. Anaes. Soc. J.22: 219 (1975).CrossRefGoogle Scholar
  17. 17.
    Roberts, R.B. (Editor). Infections and sterilization problems. International Anaesthesiology Clinics10: 2 (1972).Google Scholar
  18. 18.
    Marx, G.F. Hazards associated with ethylene oxide sterilization. N.Y. State J. Med.69: 1319 (1969).Google Scholar
  19. 19.
    Rendell-Baker, L. &Roberts, R.B. Safe use of ethylene oxide sterilization in hospitals. Anaesth. & Analg.49: 919 (1970).Google Scholar
  20. 20.
    Lipton, B., Gutierrez, R., Blaugrund, S., Litwak, R., &Rendell-Baker, L. Irradiated PVC plastic and gas sterilization in the production of trachéal stenosis following tracheostomy. Anaesth. & Analg.50: 578 (1971).Google Scholar
  21. 21.
    Holley, H.S. &Gildea, J.E. Vocal cord paralysis after trachéal intubation. J.A.M.A.215: 281 (1971).PubMedCrossRefGoogle Scholar
  22. 22.
    Cunliffe, A.C. &Wesley, F. Hazards from plastics sterilized by ethylene oxide. Brit. Med. J.2: 575 (1967).CrossRefGoogle Scholar
  23. 23.
    Stetson, J.B., Whitbourne, J.E., &Eastman, C. Ethylene oxide degassing of rubber and plastic materials. Anaesthesiology44: 174 (1976).CrossRefGoogle Scholar

Copyright information

© Canadian Anesthesiologists 1976

Authors and Affiliations

  • A. C. Enright
    • 1
  • R. L. Moore
    • 1
  • F. L. Parney
    • 1
  1. 1.Departments of Anaesthesia and LaboratoriesFoothills HospitalCalgary

Personalised recommendations