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Controlling Methicillin-Resistant Staphylococcus aureus: A Feedback Approach Using Annotated Statistical Process Control Charts

Published online by Cambridge University Press:  02 January 2015

Evonne T. Curran ,
James C. Benneyan  and
John Hood
Evonne T. Curran*
Affiliation:
Glasgow Royal Infirmary Hospitals, Glasgow, United Kingdom
James C. Benneyan
Affiliation:
Northeastern University, Boston, Massachussetts
John Hood
Affiliation:
Glasgow Royal Infirmary Hospitals, Glasgow, United Kingdom
*
Evonne Curran, Bacteriology Department, Glasgow Royal Infirmary, 84 Castle Street, Glasgow, G4 OSF , United Kingdom
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Abstract

Objectives:

To investigate the benefit of a hospitalwide feedback program regarding methicillin-resistant Staphylococcus aureus (MRSA), using annotated statistical process control charts.

Design:

Retrospective and prospective analysis of MRSA rates using statistical process control charts.

Participants:

Twenty-four medical, medical specialty, surgical, intensive care, and cardiothoracic care wards and units at four Glasgow Royal Infirmary hospitals.

Methods:

Annotated control charts were applied to prospective and historical monthly data on MRSA cases from each ward and unit during a 46-month period from January 1997 through September 2000. Results were fed back from December 1999 and then on a regular monthly basis to medical staff, ward managers, senior managers, and hotel services.

Results:

Monthly reductions in the MRSA acquisition rate started 2 months after the introduction of the feedback program and have continued to the present time. The overall MRSA rate currently is approximately 50% lower than when the program began and has become more consistent and less variable within departments throughout Glasgow Royal Infirmary. The control charts have helped to detect rate changes and manage resources more effectively. Medical and nursing staff and managers also report that they find this the most positive form of MRSA feedback they have received.

Conclusions:

Feedback programs that provide current information to front-line staff and incorporate annotated control charts can be effective in reducing the rate of MRSA.

Type
Original Articles
Information
Infection Control & Hospital Epidemiology , Volume 23 , Issue 1 , January 2002 , pp. 13 - 18
Copyright
Copyright © The Society for Healthcare Epidemiology of America 2002

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