Document Detail

Demonstration of the weighted-incidence syndromic combination antibiogram: an empiric prescribing decision aid.
MedLine Citation:
PMID:  22418634     Owner:  NLM     Status:  In-Data-Review    
Objective. Healthcare providers need a better empiric antibiotic prescribing aid than the traditional antibiogram, which supplies no information on the relative frequency of organisms recovered in a given infection and which is uninformative in situations where multiple antimicrobials are used or multiple organisms are anticipated. We aimed to develop and demonstrate a novel empiric prescribing decision aid. Design/Setting. This is a demonstration involving more than 9,000 unique encounters for abdominal-biliary infection (ABI) and urinary tract infection (UTI) to a large healthcare system with a fully integrated electronic health record (EHR). Methods. We developed a novel method of displaying microbiology data called the weighted-incidence syndromic combination antibiogram (WISCA) for 2 clinical syndromes, ABI and UTI. The WISCA combines simple diagnosis and microbiology data from the EHR to (1) classify patients by syndrome and (2) determine, for each patient with a given syndrome, whether a given regimen (1 or more agents) would have covered all the organisms recovered for their infection. This allows data to be presented such that clinicians can see the probability that a particular regimen will cover a particular infection rather than the probability that a single drug will cover a single organism. Results. There were 997 encounters for ABI and 8,232 for UTI. A WISCA was created for each syndrome and compared with a traditional antibiogram for the same period. Conclusions. Novel approaches to data compilation and display can overcome limitations to the utility of the traditional antibiogram in helping providers choose empiric antibiotics.
Courtney Hebert; Jessica Ridgway; Benjamin Vekhter; Eric C Brown; Stephen G Weber; Ari Robicsek
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Infection control and hospital epidemiology : the official journal of the Society of Hospital Epidemiologists of America     Volume:  33     ISSN:  1559-6834     ISO Abbreviation:  Infect Control Hosp Epidemiol     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-03-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804099     Medline TA:  Infect Control Hosp Epidemiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  381-8     Citation Subset:  IM; N    
Department of Biomedical Informatics, Ohio State University, Columbus, Ohio.
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