Peer-reviewed veterinary case report
Tetanus in the horse: a review of 20 cases (1970 to 1990).
- Journal:
- Journal of veterinary internal medicine
- Year:
- 1994
- Authors:
- Green, S L et al.
- Affiliation:
- Department of Molecular Biosciences · United States
- Species:
- horse
Plain-English summary
This study looked at 20 horses with tetanus, a serious disease caused by a bacterial toxin, that were treated at a veterinary hospital in Ontario between 1970 and 1990. Unfortunately, 75% of these horses did not survive, but those that had been vaccinated before their injury had a better chance of recovery. Most of the horses showed signs of the disease about 9 days after getting hurt, with common symptoms including sensitivity to touch and a drooping third eyelid. Treatment included antibiotics, tranquilizers, and specific antitoxins, but one horse experienced seizures as a side effect of the treatment. Overall, the best outcomes were seen in vaccinated horses that responded well to tranquilizers and did not become very weak quickly.
Abstract
The case records of 20 horses with tetanus referred to the Ontario Veterinary College-Veterinary Teaching Hospital between 1970 and 1990 were reviewed. The fatality rate was 75%. There was a strong association with previous vaccination and survival (P = .03). Most of the animals had been injured an average of 9 days (range 2 to 21 days) prior to development of clinical signs. Hyperesthesia and prolapse of the third eyelid were the most common clinical signs. Treatment regimens varied during hospitalization; however, all horses received parenteral penicillin, tranquilizers, tetanus toxoid, and antitoxin. Five of the nonsurviving animals were given intrathecal tetanus antitoxin. One animal had seizures as a complication of intrathecal treatment. The prognosis was best for horses that (1) had been vaccinated prior to the injury, (2) responded to the phenothiazine tranquilizers, and (3) did not rapidly (over 24 to 48 hours) become recumbent. Considering the species susceptibility, potential for contaminated wounds, and the increased survival of vaccinated horses, yearly revaccination is recommended.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/8046676/