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Clinicians' interpretation of thresholds in hospital antibiograms for gram-negative rod infections: A survey and contingent valuation study of hospitalists.

Hasegawa S, Harris CM, Gupta V, Pappas M, Vaughn VM, Perencevich EN, Dukes KC, Goto M. Clinicians' interpretation of thresholds in hospital antibiograms for gram-negative rod infections: A survey and contingent valuation study of hospitalists. Journal of hospital medicine. 2024 Apr 1; 19(4):297-301.

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Abstract:

Clinical guidelines suggest that hospital antibiograms are a key component when deciding empiric therapy, but little is known about how often clinicians use antibiograms and how they influence clinicians'' empiric therapy decisions. We surveyed hospitalists at seven healthcare systems in the United States on their reported practices related to antibiograms and their hypothetical prescribing for four clinical scenarios associated with gram-negative rod pathogens. Each was given a randomly assigned antibiogram susceptibility percentage, and we used contingent valuation analysis to assess whether the antibiogram susceptibility percentage was associated with prescribing practices. Of the 193 survey responders, only 52 (26.9%) respondents reported using antibiograms more than monthly. Across all four clinical scenarios, there was no evidence that antibiogram susceptibility levels influenced antibiotic prescribing practices. With limited utilization and no evidence that they influenced practice, antibiograms may have a limited role in hospitalist care delivery for common gram-negative rod infections.




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