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Clin Infect Dis. 2019 Oct 22. pii: ciz1042. doi: 10.1093/cid/ciz1042. [Epub ahead of print]

Use of procalcitonin and a respiratory polymerase chain reaction panel to reduce antibiotic use via an EMR alert.

Author information

1
Department of Pharmacy, The University of Kansas Health System, Kansas City, MO, USA.
2
Antimicrobial Stewardship Program, Saint Luke's Health System, Kansas City, MO, USA.
3
Department of Pharmacy, Saint Luke's Hospital, Kansas City, MO, USA.
4
Department of Biostatistics, Saint Luke's Hospital, Kansas City, MO, USA.
5
Department of Pulmonary and Critical Care Medicine, Saint Luke's Hospital, Kansas City, MO, USA.
6
Department of Infectious Disease, Saint Luke's Health System, Kansas City, MO, USA.

Abstract

BACKGROUND:

Respiratory tract infections are often viral and but are frequently treated with antibiotics, providing a significant opportunity for antibiotic de-escalation in patients. We sought to determine whether an automated electronic medical record best practice alert (BPA) based on procalcitonin and respiratory polymerase chain reaction (PCR) results could help reduce inappropriate antibiotic use in patients with likely viral respiratory illness.

METHODS:

This multi-site, pre-post, quasi-experimental study included patients 18 years and older with a procalcitonin < 0.25 ng/ml and a virus identified on respiratory PCR within 48 hours of each other, and one or more systemic antibiotics ordered. In the study group, a BPA alerted providers of the diagnostic results suggesting viral infection and prompted them to reassess need for antibiotics. The primary outcome measured was total antibiotic days of therapy.

RESULTS:

The BPA reduced inpatient antibiotic days of therapy by 2.2 (8.0 vs 5.8) days compared with patients who met criteria but did not have the alert fire (p<0.001). The BPA also reduced the percentage of patients prescribed antibiotics on discharge (20 vs 47.8%, P<0.001), while there was no difference in need for antibiotic escalation after initial discontinuation (7.6 vs 4.3%, p=0.198).

CONCLUSION:

The automated antimicrobial stewardship BPA effectively reduced antibiotic use and discharge prescribing rates when diagnostics suggested viral respiratory tract infection, without a higher rate for re-initiation of antibiotics after discontinuation.

PMID:
31637442
DOI:
10.1093/cid/ciz1042

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