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Infect Control Hosp Epidemiol. 1998 May;19(5):333-6.

Reduction in vancomycin-resistant Enterococcus and Clostridium difficile infections following change to tympanic thermometers.

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Department of Laboratories, Kingsbrook Jewish Medical Center, Brooklyn, NY 11203-1891, USA.



To contain a nosocomial outbreak of vancomycin-resistant Enterococcus (VRE).


Intervention study, with comparison of incidence rates before and after intervention to assess whether changes in incidence followed the intervention and were greater than expected based on trends observed before the intervention.


A 343-bed acute-care hospital serving a predominantly elderly population referred from nursing homes, as well as patients admitted from the community.


Interventions strategies were tested on three high-risk nursing stations. These included enhanced environmental sanitation; intensive staff retraining in Universal Precautions, body substance isolation, and proper use of gloves; and the use of tympanic thermometers to avoid possible rectal or oral VRE transmission during temperature taking.


Nosocomial VRE infections were reduced by 48% 9 months after switching to tympanic thermometers; incidence of Clostridium difficile infections also was reduced. As a result, tympanic thermometers were introduced facilitywide; additional observation for 20 months showed a risk reduction of 60% for VRE and 40% for C difficile.


Cross-transmission of VRE and C difficile during temperature taking may result in bowel colonization, placing the patient at increased risk for infection. This risk may be reduced by the use of tympanic thermometers.

[Indexed for MEDLINE]

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