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A retrospective study of bacterial pathogens in an equine hospital (1988–2014)


van Spijk, Julia N; Schmitt, S; Fürst, Anton; Schoster, Angelika (2016). A retrospective study of bacterial pathogens in an equine hospital (1988–2014). Schweizer Archiv für Tierheilkunde, 158(6):423-431.

Abstract

Knowledge about local pathogen prevalence is important for guiding initial antimicrobial therapy. The aim of this study was to describe the longitudinal occurrence of bacterial pathogens in hospitalized horses at the University of Zurich between 1988 and 2014. Positive culture results were retrospectively analyzed. Isolates were grouped based on sample site, diagnosis, and year of isolation. The frequency of bacterial isolates over time was compared using the Chi-Square test. Escherichia coli (299/1,723, 17%), Streptococcus equi ssp. zooepidemicus (295/1,723, 17%) and coagulase-positive staphylococci (196/1,723, 11%) were the most common pathogens. Anaerobes were common in dental (18/66, 27%), peritoneal (6/43, 14%) and soft tissue infections (28/208, 13%). Mixed infections were common in skin and dental infections (24/55, 44% and 17/43, 40%, respectively). Frequently isolated bacteria in most organ systems included Gram-positives and Gram-negatives, supporting the need for initial broad-spectrum antimicrobial therapy until culture and susceptibility results become available.

Abstract

Knowledge about local pathogen prevalence is important for guiding initial antimicrobial therapy. The aim of this study was to describe the longitudinal occurrence of bacterial pathogens in hospitalized horses at the University of Zurich between 1988 and 2014. Positive culture results were retrospectively analyzed. Isolates were grouped based on sample site, diagnosis, and year of isolation. The frequency of bacterial isolates over time was compared using the Chi-Square test. Escherichia coli (299/1,723, 17%), Streptococcus equi ssp. zooepidemicus (295/1,723, 17%) and coagulase-positive staphylococci (196/1,723, 11%) were the most common pathogens. Anaerobes were common in dental (18/66, 27%), peritoneal (6/43, 14%) and soft tissue infections (28/208, 13%). Mixed infections were common in skin and dental infections (24/55, 44% and 17/43, 40%, respectively). Frequently isolated bacteria in most organ systems included Gram-positives and Gram-negatives, supporting the need for initial broad-spectrum antimicrobial therapy until culture and susceptibility results become available.

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Additional indexing

Other titles:Eine retrospektive Studie pathogener Bakterien bei hospitalisierten Pferden (1988–2014)
Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Equine Department
05 Vetsuisse Faculty > Institute of Veterinary Bacteriology
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Uncontrolled Keywords:horse, hospitalized patients, bacteria, retrospective long-term analysis
Language:English
Date:2016
Deposited On:24 Jun 2016 12:49
Last Modified:02 Feb 2018 10:06
Publisher:Gesellschaft Schweizer Tierärztinnen und Tierärzte
ISSN:0036-7281
OA Status:Green
Publisher DOI:https://doi.org/10.17236/sat00068

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