Peer-reviewed veterinary case report
Horse with laminitis after black walnut exposure - what to know
By Thomsen, M E et al.·Published in Veterinary and human toxicology·2000·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Black walnut induced laminitis.
- Species:
- horse
Plain-English summary
A 5-year-old Paint horse gelding developed a serious condition called laminitis (inflammation of the hoof) after being exposed to black walnut shavings. His feet were kept in ice water for about 24 hours as part of his treatment. Despite receiving anti-inflammatory medications and other therapies, his condition worsened, leading to problems like pus coming from the area around his hoof and the hoof wall starting to detach. After 54 days of treatment, the decision was made to euthanize him due to the severity of his condition. It seems that the prolonged exposure to cold water may have worsened the blood flow to his hooves, making his situation even worse.
Abstract
A 5-y-old Paint horse gelding was evaluated for acute laminitis after exposure to black walnut shavings. The gelding's feet were previously soaked in an ice bath continuously for approximately 24 h. Treatment consisted of anti-inflammatory and vasodilator therapy. Serial radiographs revealed progressive palmar deviation of the third phalanx and subsolar abscesses in both forefeet. The gelding developed purulent discharge from the right coronary band and the hoof wall detached circumfrentially. Euthanasia was elected after 54 days. Continual exposure of the gelding's feet to ice water temperatures may have caused decreased perfusion and increased edema formation in the laminae resulting in decreased blood flow and exacerbating the existing ischemic necrosis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/10670077/