Evaluation of antimicrobial purchasing by companion animal veterinary facilities in Canada, the United Kingdom, and the United States of America (2019‐2021)

Author:

Weese J. Scott1ORCID,Mosher Margo2,Low Rochelle3ORCID,West Ellie4,O'Kelley Ben5,Morrison Jo Ann6,Kimmerlein Anne7ORCID,St. Bernard Silene8,Blackie Kathrine9,Gronlund Ulrika10,Battersby Ian2

Affiliation:

1. University of Guelph Guelph Ontario Canada

2. Mars Veterinary Health Vancouver Washington USA

3. Mars Veterinary Health Bend Oregon USA

4. Linnaeus Veterinary Group Solihull UK

5. BluePearl Veterinary Partners LLC Tampa Florida USA

6. Banfield Pet Hospital Vancouver Washington USA

7. VCA Inc, Medical Operations Los Angeles California USA

8. VCA Los Angeles California USA

9. Linnaeus Veterinary Limited Solihull West Midlands UK

10. AniCura Group Danderyd Stockholm Sweden

Abstract

AbstractBackgroundMeasuring antimicrobial use is a core component of antimicrobial stewardship. Purchasing data may be easier to obtain than prescription data in some situations, but differences in clinic size, caseload and collection timeframes must be considered.ObjectiveOur objective was to evaluate purchases of systemic antibacterial agents by small animal veterinary facilities in 5 networks across 3 countries, using a mg/veterinarian full time equivalent (FTE)/week as the metric.MethodsData were obtained from purchasing records of 2194 veterinary facilities from networks from the United States (US, n = 3: US‐A, 1036 facilities; US‐B, 101 facilities; US‐C, 886 facilities), Canada (n = 1: 117 facilities) and the United Kingdom (UK, n = 1: 54 facilities) during 2019‐2021.ResultsIn total, 20 020 269 767 mg (20.02 t) of antimicrobials were purchased. Overall differences between the UK and North America were driven by significantly higher purchases of amoxicillin‐clavulanic acid in the UK (P < .001), with substantially less purchasing of third generation cephalosporins in the UK (P < .0001). A significant association was found between FTE and purchasing, with decreased purchasing (mg/FTE/week) as facility FTE increased. Significant differences also were found among US regions. Facilities in the top 10% of total purchasing accounted for 23%‐30% of purchases, compared to only 1.6%‐3.8% for the bottom 10%.Conclusions and Clinical ImportanceThese data provide useful information about general purchasing trends, inter‐ and intraregional differences and differences among facility types and identify high purchasing outliers for further investigation.

Publisher

Wiley

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