Impact of Combination Antibiogram and Related Education on Inpatient Fluoroquinolone Prescribing Patterns for Patients With Health Care–Associated Pneumonia

Background: Previous studies have shown that development of a unit-specific combination antibiogram improves optimal selection of empiric therapy for Gram-negative infections, yet no published data exist regarding the role of the combination antibiogram as an antimicrobial stewardship program tool f...

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Veröffentlicht in:The Annals of pharmacotherapy 2016-03, Vol.50 (3), p.172-179
Hauptverfasser: Liang, Baoqi, Wheeler, James S., Blanchette, Lisa M.
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Sprache:eng
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Zusammenfassung:Background: Previous studies have shown that development of a unit-specific combination antibiogram improves optimal selection of empiric therapy for Gram-negative infections, yet no published data exist regarding the role of the combination antibiogram as an antimicrobial stewardship program tool for disease-specific prescribing. Objective: To evaluate the utility of a combination antibiogram to guide antibiotic prescribing for patients with health care–associated pneumonia (HCAP). Methods: This was a retrospective preprovider and postprovider education intervention study aimed to evaluate fluoroquinolone (FQ) use in patients with HCAP. Data were collected retrospectively to evaluate antibiotic prescribing patterns and patient outcomes. Results: A total of 87 patients were eligible for study inclusion. The primary end point, FQ days of therapy (DOT) was decreased by 2.3 days (P < 0.001). The secondary end point included FQ DOT per 1000 patient-days in patients with discharge diagnosis-related group of pneumonia and was decreased by 83.5 days (P = 0.08); double coverage reduced by 13% postintervention (P = 0.22); mean days of double coverage decreased by 2.1 days (P < 0.001), and length of stay was shortened by 2.1 days (P = 0.22). Clinical success was achieved more often in the postintervention group (90% vs 98%, P = 0.18) when compared with the preintervention group. No difference was found in microbiological outcomes in the subset of microbiologically evaluable patients (P = 0.57). Conclusion: Facility-specific combination antibiograms may be used to inform antibiotic prescribing in HCAP patients.
ISSN:1060-0280
1542-6270
DOI:10.1177/1060028015625658