Peer-reviewed veterinary case report
Pony with chronic cough and fever treated for pneumonia
By Begg, L M et al.·Published in Australian veterinary journal·2004·Randwick Equine Centre, United Kingdom·View original on PubMed →
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Original publication title: Successful treatment of cryptococcal pneumonia in a pony mare.
- Species:
- horse
Plain-English summary
A 20-year-old Welsh Mountain Pony was brought in for a chronic cough, fever, weight loss, and abdominal pain. As her condition worsened, she developed breathing problems and struggled with exercise. Tests revealed large masses in her lungs caused by a fungal infection called cryptococcosis. The pony was treated with daily intravenous infusions of a medication called amphotericin B for a month. After treatment, she showed significant improvement, gained weight, and her lung masses shrank, indicating a successful recovery.
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Abstract
A 20-year-old Welsh Mountain Pony (212 kg) mare was initially presented for a chronic cough, fever, weight loss and low grade abdominal pain. She later developed dyspnoea, tachypnoea and exercise intolerance. The presence of multiple masses (up to 17 cm diameter) in the pulmonary parenchyma was established using lateral thoracic radiography and transthoracic ultrasonography. Encapsulated, budding yeasts were observed in smears made from transtracheal washings and needle aspirates of the pulmonary lesions. Cryptococcus gattii (synonym: Cryptococcus neoformans variety gattii; Cryptococcus bacillisporus) was cultured from the transtracheal washings and aspirates of the lung masses. The pony was successfully treated using daily intravenous infusions of amphotericin B (typically 0.5 mg/kg in 1 L 5% dextrose in water over 1 h, following premedication with 50 mg flunixin intravenously) over a 1 month period, until a cumulative dose of 3 g had been administered. Treatment was considered to be successful on the basis of progressive improvement in clinical signs, reduction in the size of pulmonary cryptococcomas, 48 kg weight gain and a reduction in the cryptococcal antigen titre from 4096 to 256, 1 year after cessation of treatment.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15977613/