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Using clinical decision support to improve urine culture diagnostic stewardship, antimicrobial stewardship, and financial cost: A multicenter experience

Published online by Cambridge University Press:  05 March 2020

Kaitlin J. Watson ,
Barbara Trautner ,
Hannah Russo ,
Kady Phe ,
Todd Lasco ,
Takei Pipkins ,
Bradley Lembcke  and
Mayar Al Mohajer
Kaitlin J. Watson
Affiliation:
School of Public Health Professions, Baylor College of Medicine, Houston, Texas, USA
Barbara Trautner
Affiliation:
Center for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA Section of Health Services Research, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
Hannah Russo
Affiliation:
Catholic Health Initiative, Baylor St Luke’s Medical Center, Houston, Texas, USA
Kady Phe
Affiliation:
Catholic Health Initiative, Baylor St Luke’s Medical Center, Houston, Texas, USA
Todd Lasco
Affiliation:
Catholic Health Initiative, Baylor St Luke’s Medical Center, Houston, Texas, USA Department of Pathology, Baylor College of Medicine, Houston, Texas, USA
Takei Pipkins
Affiliation:
Catholic Health Initiative, Baylor St Luke’s Medical Center, Houston, Texas, USA
Bradley Lembcke
Affiliation:
Catholic Health Initiative, Texas Division, Houston, Texas, USA
Mayar Al Mohajer*
Affiliation:
Center for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA Section of Infectious Diseases, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
*
Author for correspondence: Mayar Al Mohajer, MD, E-mail: mohajer@bcm.edu
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Abstract

Objective:

Despite evidence to the contrary, many practitioners continue to inappropriately screen for and treat bacteria in the urine of clinically asymptomatic patients. The purpose of this study was to evaluate the impact of a new order set on the number of urine culture performed, antibiotic days of therapy (DOT), catheter-associated urinary tract infections (CAUTI), and associated financial impact.

Design:

A quasi-experimental before-and-after intervention.

Setting:

We conducted this study at 5 Catholic Health Initiative (CHI) hospitals in Texas that use the same electronic health record (EHR) system.

Patients:

The study populations included adult patients who had urine culture performed from June 2017 to June 2019.

Intervention:

The intervention (implemented June 25, 2018) was the addition of a new order set in the electronic health record that required practitioners to choose an indication for the type of urine study. The primary outcome was number of urine cultures performed adjusted for the number of total patient days.

Results:

Following implementation of the new order set, the number of urine cultures performed among the 5 sites decreased from 1,175.8 tests per 10,000 patient days before the intervention to 701.4 after the intervention (40.4% reduction; P < .01). Antibiotic DOT for patients with a urinary tract infection indication decreased from 102.5 to 86.9 per 1,000 patient days (15.2% reduction; P < .01). The CAUTI standardized infection ratio was 1.0 before the intervention and 0.8 after the intervention (P = .23). The estimated yearly savings following the intervention was US$535,181.

Conclusions:

The addition of a new order set resulted in decreases in the number of urine cultures performed and the antibiotic DOT, as well as substantial financial savings.

Type
Original Article
Information
Infection Control & Hospital Epidemiology , Volume 41 , Issue 5 , May 2020 , pp. 564 - 570
Copyright
© 2020 by The Society for Healthcare Epidemiology of America. All rights reserved

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Footnotes

PREVIOUS PRESENTATION: Preliminary data were presented as an abstract at the European Congress for Clinical Microbiology and Infectious Diseases (ECCMID) 2019 on April 14, 2019, in Amsterdam, Netherlands.

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