Evaluation of otoscope cone cleaning and disinfection procedures commonly used in veterinary medical practices: a pilot study

Veterinary Dermatology
Heide M NewtonCraig E Griffin

Abstract

The objective of this study was to evaluate the relative efficacy of otoscope cone cleaning and disinfection methods commonly used in veterinary practices. Using sterile technique, 60 new gas-sterilized 4-mm otoscope cones were inoculated with a broth culture of 1.5 billion Pseudomonas aeruginosa bacteria per mL then allowed to dry for 10 min. Six study groups of 10 cones each were created. Group 1 served as positive control and received no cleaning or disinfection. Group 2 cones were wiped with sterile cotton-tipped applicators and gauze then rinsed with water. Group 3 cones were wiped with 70% isopropyl alcohol. Group 4 cones were scrubbed in a speculum cleaner with Cetylcide II solution (Cetylite Industries, Inc., Pennsauken, NJ). Groups 5 and 6 cones were soaked for 20 min in Cetylcide II and chlorhexidine gluconate 2% solutions, respectively. Using sterile technique and after 10-15 min drying time, the cones were swabbed in a consistent pattern, and samples were submitted for quantitative culture. Culture results showed no growth from cones soaked in Cetylcide II or chlorhexidine solutions. Two of the 10 cones wiped with alcohol, 3/10 cones wiped then rinsed with water, and 3/10 cones scrubbed with the speculum cleaner sho...Continue Reading

References

Sep 26, 1997·The Annals of Otology, Rhinology, and Laryngology·I Brook
Feb 26, 1998·Family Practice·H A CohenA Barzilai
Apr 29, 1998·The Veterinary Clinics of North America. Small Animal Practice·H W Boothe
Nov 6, 1998·International Journal of Pediatric Otorhinolaryngology·H A CohenA Barzilai
Mar 11, 2003·The Journal of Laryngology and Otology·Steven PowellDavid Meikle
Mar 10, 2004·Journal of the American Animal Hospital Association·Christine A Graham-Mize, Edmund J Rosser
Apr 6, 2004·The Veterinary Clinics of North America. Small Animal Practice·John C Angus

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Citations

Jun 15, 2013·The Journal of Hospital Infection·M J BruinsG J H M Ruijs
Aug 29, 2006·Clinical Techniques in Small Animal Practice·Craig E Griffin
Aug 20, 2010·Environmental Technology·Mariane SchmidtPeter Stougaard

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