Article ; Online: Infection with the fox lungworm (Crenosoma vulpis) in two dogs from New England - Two clinical reports and updated geographic distribution in North America.
Veterinary parasitology, regional studies and reports
2022 Volume 30, Page(s) 100714
Abstract: Crenosoma vulpis, the fox lungworm, is a helminth parasite endemic to the fox population of New England. Domestic dogs are susceptible to infection via ingestion of snails and slugs. Two dogs from New England were diagnosed with C. vulpis. The ... ...
| Abstract | Crenosoma vulpis, the fox lungworm, is a helminth parasite endemic to the fox population of New England. Domestic dogs are susceptible to infection via ingestion of snails and slugs. Two dogs from New England were diagnosed with C. vulpis. The predominant clinical sign in both dogs was a chronic cough. Treatment with steroids and antibiotics only temporarily relieved clinical signs. Thoracic radiographs in both dogs revealed bronchial patterns. Endotracheal washes were performed in each dog revealing marked, mixed inflammation consisting mainly of neutrophils with eosinophils in lesser numbers. Helminth larvae could also be visualized on cytology. A fecal flotation revealed helminth larvae in one dog but failed to identify larvae in the second dog. The diagnosis of C. vulpis was confirmed via PCR analysis and sequencing of samples from both endotracheal washes. One dog was treated with fenbendazole (50 mg/kg PO q24h for 14 days), enrofloxacin (13 mg/kg PO q 24 h for 5 days), and a tapering protocol of prednisone (20 mg PO q12h for 5 days, 20 mg PO q24h for 5 days, then 20 mg PO q48h for 10 days). The second dog was treated with fenbendazole (50 mg/kg PO q24h for 10 days) with an additional 7 days of febantel and two doses of milbemycin, achieving complete resolution of clinical signs. This lungworm is becoming increasingly more prevalent in domestic dogs worldwide and may be more prevalent in New England than previously thought. Veterinary practitioners of New England should include this respiratory helminth as a differential in dogs with respiratory signs, and respiratory washes and Baermann fecal examinations are warranted in dogs presenting with non-specific respiratory clinical signs. |
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| MeSH term(s) | Animals ; Capillaria ; Dog Diseases/diagnosis ; Dog Diseases/drug therapy ; Dog Diseases/epidemiology ; Dogs ; Fenbendazole/therapeutic use ; Foxes ; Metastrongyloidea ; Strongylida Infections/diagnosis ; Strongylida Infections/drug therapy ; Strongylida Infections/epidemiology ; Strongylida Infections/veterinary |
| Chemical Substances | Fenbendazole (621BVT9M36) |
| Language | English |
| Publishing date | 2022-03-06 |
| Publishing country | Netherlands |
| Document type | Journal Article |
| ISSN | 2405-9390 |
| ISSN (online) | 2405-9390 |
| DOI | 10.1016/j.vprsr.2022.100714 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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