Cynthia T Nguyen1, Tejal Gandhi2, Carol Chenoweth2, Jessica Lassiter1, Jenny Dela Pena3, Gregory Eschenauer4, Jerod L Nagel5. 1. Department of Pharmacy, University of Michigan Hospitals and Health Systems (UMHS), 1500 E. Medical Center Dr., Ann Arbor, MI 48109, USA. 2. Department of Infectious Diseases, University of Michigan Hospitals and Health Systems (UMHS), 1500 E. Medical Center Dr., Ann Arbor, MI 48109, USA. 3. College of Pharmacy, University of Michigan, 428 Church St., Ann Arbor, MI 48109, USA. 4. Department of Pharmacy, University of Michigan Hospitals and Health Systems (UMHS), 1500 E. Medical Center Dr., Ann Arbor, MI 48109, USA College of Pharmacy, University of Michigan, 428 Church St., Ann Arbor, MI 48109, USA. 5. Department of Pharmacy, University of Michigan Hospitals and Health Systems (UMHS), 1500 E. Medical Center Dr., Ann Arbor, MI 48109, USA nageljl@med.umich.edu.
Abstract
BACKGROUND: Staphylococcus aureus bacteraemia (SAB) carries high rates of morbidity and mortality. Antimicrobial stewardship programmes (ASPs) are well situated to promote adherence to quality performance measures in order to optimize the management of SAB and associated clinical outcomes. METHODS: This uncontrolled pre-post quasi-experimental study evaluated compliance with an ASP-driven comprehensive care bundle and associated clinical outcomes for patients with SAB. The ASP provided recommendations to prescribers to promote adherence with quality performance measures, which included: initiate effective antibiotics within 24 h of Gram's stain; achieve therapeutic vancomycin trough concentration; provide β-lactam therapy if MSSA; obtain repeat blood cultures every 48 h until clearance; complete appropriate treatment duration; eliminate or debride foci of infection; and obtain an echocardiogram for complicated bacteraemia. RESULTS: One hundred and seventy patients with SAB were included: 82 patients in the pre-intervention group and 88 patients in the ASP-intervention group. Overall bundle adherence to quality performance measures improved from 56.1% (46/82) in the pre-intervention group to 84.1% (74/88) in the ASP-intervention group (P < 0.001), which was associated with a reduction in 30 day readmission with SAB [9 patients (11.0%) versus 1 patient (1.1%), P = 0.008]. The 30 day mortality was numerically lower in the ASP-intervention group, but the difference was not statistically significant [16 patients (19.5%) versus 10 patients (11.4%), P = 0.2]. CONCLUSIONS: Implementation of an ASP-driven comprehensive care bundle for SAB improved adherence with performance measures and was associated with a decrease in hospital readmission for SAB.
BACKGROUND:Staphylococcus aureus bacteraemia (SAB) carries high rates of morbidity and mortality. Antimicrobial stewardship programmes (ASPs) are well situated to promote adherence to quality performance measures in order to optimize the management of SAB and associated clinical outcomes. METHODS: This uncontrolled pre-post quasi-experimental study evaluated compliance with an ASP-driven comprehensive care bundle and associated clinical outcomes for patients with SAB. The ASP provided recommendations to prescribers to promote adherence with quality performance measures, which included: initiate effective antibiotics within 24 h of Gram's stain; achieve therapeutic vancomycin trough concentration; provide β-lactam therapy if MSSA; obtain repeat blood cultures every 48 h until clearance; complete appropriate treatment duration; eliminate or debride foci of infection; and obtain an echocardiogram for complicated bacteraemia. RESULTS: One hundred and seventy patients with SAB were included: 82 patients in the pre-intervention group and 88 patients in the ASP-intervention group. Overall bundle adherence to quality performance measures improved from 56.1% (46/82) in the pre-intervention group to 84.1% (74/88) in the ASP-intervention group (P < 0.001), which was associated with a reduction in 30 day readmission with SAB [9 patients (11.0%) versus 1 patient (1.1%), P = 0.008]. The 30 day mortality was numerically lower in the ASP-intervention group, but the difference was not statistically significant [16 patients (19.5%) versus 10 patients (11.4%), P = 0.2]. CONCLUSIONS: Implementation of an ASP-driven comprehensive care bundle for SAB improved adherence with performance measures and was associated with a decrease in hospital readmission for SAB.
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