Rhodococcus equi pneumonia in the foal–part 2: diagnostics, treatment and disease management.
Abstract: Various challenges face clinicians and farm managers in diagnosing, treating and preventing Rhodococcus equi pneumonia. The use of ultrasound imaging has aided in the early diagnosis of the disease, reducing treatment duration and improving therapeutic outcomes. Antimicrobial resistance in R. equi is an emerging issue that necessitates prudent antimicrobial therapy of diseased foals. Alternative methods of disease transmission, such as contagious foal-to-foal aerosol transmission, may need to be addressed to complement dust reduction environmental strategies and to minimise the overall risk of exposure of foals to highly concentrated inhaled doses of the organism. Effective management of foals and land aimed at reducing aerosol exposure to virulent R. equi is likely to yield significant reductions in the prevalence and severity of R. equi pneumonia.
Copyright © 2011 Elsevier Ltd. All rights reserved.
Publication Date: 2011-10-28 PubMed ID: 22036870DOI: 10.1016/j.tvjl.2011.08.009Google Scholar: Lookup
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Summary
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The research article explores the various challenges faced in diagnosing, treating, and preventing Rhodococcus equi pneumonia in foals. It discusses methods such as ultrasound imaging for early detection, and the problem of antimicrobial resistance, suggesting prudent antibiotic therapy in affected foals. The study also looks at different methods of disease transmission and strategies for managing disease exposure in order to reduce aerosol contact with the infectious organism.
Challenges in Diagnosing, Treating, and Controlling R. equi Pneumonia
- One of the main challenges for clinicians and farm managers is diagnosing Rhodococcus equi pneumonia in foals. Early diagnosis leads to shorter treatment durations and improved therapeutic outcomes.
- Treating the disease is another challenge due to the emergence of antimicrobial resistance in R. equi. This makes it difficult to treat diseased foals effectively.
- Controlling and preventing the disease is an uphill task as well. This is primarily because R. equi pneumonia can be transmitted in a variety of ways.
Use of Ultrasound Imaging for Diagnosis
- The research emphasizes the importance of ultrasound imaging as a diagnostic tool. Through its use, early detection of R. equi pneumonia becomes possible, making the treatment significantly more effective.
Addressing Antimicrobial Resistance
- Given the growing problem of antimicrobial resistance, the article recommends adopting a prudent approach towards antimicrobial therapy. Careful use of antibiotics can help ensure that they remain effective against R. equi.
Disease Transmission and Disease Management
- The research indicates that alternative methods of disease transmission, such as contagious aerosol transmission from one foal to another, needs to be addressed to enhance current dust reduction strategies.
- Decreasing the overall risk of exposure of foals to high doses of the infectious organism inhaled augment disease management. The research suggests effective management of foals and land to potentially lower aerosol exposure to virulent R. equi, which can drastically reduce the prevalence and severity of the disease.
Cite This Article
APA
Muscatello G.
(2011).
Rhodococcus equi pneumonia in the foal–part 2: diagnostics, treatment and disease management.
Vet J, 192(1), 27-33.
https://doi.org/10.1016/j.tvjl.2011.08.009 Publication
Researcher Affiliations
- Faculty of Veterinary Science, University of Sydney, NSW 2006, Australia. gary.muscatello@sydney.edu.au
MeSH Terms
- Actinomycetales Infections / diagnosis
- Actinomycetales Infections / drug therapy
- Actinomycetales Infections / therapy
- Actinomycetales Infections / veterinary
- Animal Husbandry / methods
- Animals
- Animals, Newborn / microbiology
- Bronchopneumonia / diagnosis
- Bronchopneumonia / drug therapy
- Bronchopneumonia / therapy
- Bronchopneumonia / veterinary
- Horse Diseases / diagnosis
- Horse Diseases / drug therapy
- Horse Diseases / therapy
- Horses
- Host-Pathogen Interactions
- Pneumonia, Bacterial / diagnosis
- Pneumonia, Bacterial / drug therapy
- Pneumonia, Bacterial / therapy
- Pneumonia, Bacterial / veterinary
- Rhodococcus equi / drug effects
- Rhodococcus equi / physiology
Citations
This article has been cited 16 times.- Zanilabdin M, Ilgekbayeva G, Otarbayev B, Nissanova R, Mussayeva G, Takai S, Suzuki Y, Kakuda T, Kurman S, Kassymov Y, Valiyeva B. Integrated molecular and serological survey of Rhodococcus equi in horses from three regions of Kazakhstan. Front Vet Sci 2025;12:1650186.
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- Hardefeldt L, Thomas K, Page S, Norris J, Browning G, El Hage C, Stewart A, Gilkerson J, Muscatello G, Verwilghen D, van Galen G, Bauquier J, Cuming R, Reynolds B, Whittaker C, Wilkes E, Clulow J, Burden C, Begg L. Antimicrobial prescribing guidelines for horses in Australia. Aust Vet J 2025 Dec;103(12):781-889.
- Kabir A, Lamichhane B, Habib T, Adams A, El-Sheikh Ali H, Slovis NM, Troedsson MHT, Helmy YA. Antimicrobial Resistance in Equines: A Growing Threat to Horse Health and Beyond-A Comprehensive Review. Antibiotics (Basel) 2024 Jul 29;13(8).
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- Xu Z, Hao X, Li M, Luo H. Rhodococcus equi-Derived Extracellular Vesicles Promoting Inflammatory Response in Macrophage through TLR2-NF-κB/MAPK Pathways. Int J Mol Sci 2022 Aug 28;23(17).
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