Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere · 2022
[West-Nile-Virus infections in 12 horses in east-central Germany].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Lohmann Katharina Luise, Sieg Michael, Landmann Maria, Ganzenberg Stefanie, Arnold Corinna, Vahlenkamp Thomas, Ulrich Reiner Georg
Аннотация
PURPOSE AND AIM: The presenting complaints, clinical signs, diagnostic evaluation, therapy, and outcome of 12 horses with clinically apparent West-Nile-Virus (WNV) infection are described.
MATERIAL AND METHODS: Case series RESULTS: The adult horses (age 6-18 years, 7 mares, 5 geldings) from Saxony and Saxony-Anhalt were presented with various clinical histories between September 2018 and September 2020. All horses were presented in August or September and no horse was vaccinated against WNV. Fever as the most common general clinical sign was present in 8/12 horses. The most common neurological signs were muscle fasciculations (11/12 horses), ataxia (8/12 horses), hyperesthesia and head tilt (6/12 horses each). Diagnosis of WNV infection was confirmed by demonstrating IgM antibody and neutralizing antibody production in all horses; 2 euthanized horses also tested positive by PCR. Therapy was symptomatic and primarily included non-steroidal anti-inflammatories or dexamethasone as well as fluid therapy. Duration of hospitalization was 7.5 days on average. According to their owners, seven horses recovered completely, while information was missing for 2 horses.
CONCLUSIONS AND CLINICAL RELEVANCE: In eastern-central Germany, WNV-encephalomyelitis must be considered a differential diagnosis for unvaccinated horses with acute neurologic disease occurring in summer and late summer. The reported clinical signs and the outcome of therapy are mostly congruent with reports from North America and other European countries.
MATERIAL AND METHODS: Case series RESULTS: The adult horses (age 6-18 years, 7 mares, 5 geldings) from Saxony and Saxony-Anhalt were presented with various clinical histories between September 2018 and September 2020. All horses were presented in August or September and no horse was vaccinated against WNV. Fever as the most common general clinical sign was present in 8/12 horses. The most common neurological signs were muscle fasciculations (11/12 horses), ataxia (8/12 horses), hyperesthesia and head tilt (6/12 horses each). Diagnosis of WNV infection was confirmed by demonstrating IgM antibody and neutralizing antibody production in all horses; 2 euthanized horses also tested positive by PCR. Therapy was symptomatic and primarily included non-steroidal anti-inflammatories or dexamethasone as well as fluid therapy. Duration of hospitalization was 7.5 days on average. According to their owners, seven horses recovered completely, while information was missing for 2 horses.
CONCLUSIONS AND CLINICAL RELEVANCE: In eastern-central Germany, WNV-encephalomyelitis must be considered a differential diagnosis for unvaccinated horses with acute neurologic disease occurring in summer and late summer. The reported clinical signs and the outcome of therapy are mostly congruent with reports from North America and other European countries.