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Infect Control Hosp Epidemiol. 1992 Feb;13(2):98-103.

Reduction in the incidence of Clostridium difficile-associated diarrhea in an acute care hospital and a skilled nursing facility following replacement of electronic thermometers with single-use disposables.

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1
Department of Laboratories, Kingsbrook Jewish Medical Center, Brooklyn, NY 11203.

Abstract

OBJECTIVE:

To determine if the spread of Clostridium difficile-associated diarrhea is related to the use of electronic thermometers in an acute hospital and a chronic healthcare facility.

DESIGN:

After finding that a significant percentage (20.8%) of electronic rectal thermometer handles were contaminated with C difficile, all electronic thermometers were replaced with disposables. A before/after trial was conducted to determine if the change to disposable thermometers would reduce the incidence of C difficile-associated diarrhea.

SETTING:

The study took place in a 343-bed acute hospital and a 538-bed skilled nursing facility.

PATIENTS:

All patients who underwent routine microbiological evaluation for nosocomially acquired diarrhea over a 1-year period were included in the study. Nosocomial diarrhea was defined as 3 or more loose stools per day for 2 consecutive days and/or abdominal findings such as pain, distension, and ileus occurring 3 or more days after admission.

RESULTS:

During the 6-month postintervention period, the incidence of C difficile-associated diarrhea was reduced from 2.71/1,000 patient days to 1.76/1,000 patient days in the acute hospital and from 0.41/1,000 patient days to 0.11/1,000 patient days in the skilled nursing facility. The protective effect of the intervention was statistically significant for both facilities.

CONCLUSIONS:

Replacement of electronic thermometers with single-use disposables significantly reduced the incidence of C difficile-associated diarrhea in both acute care and skilled nursing care facilities. Data suggest that the rectal route may be important in the transmission of C difficile in these settings.

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PMID:
1541811
[Indexed for MEDLINE]

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