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J Feline Med Surg. 2015 Feb;17(2):181-5. doi: 10.1177/1098612X14533552. Epub 2014 May 2.

Treatment of Troglostrongylus brevior (Metastrongyloidea, Crenosomatidae) in mixed lungworm infections using spot-on emodepside.

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Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy.
Veterinary Clinic 'L'Arca', Teramo, Italy.
Veterinary Clinic 'Dimitri Carmelo Flavio', Isola del Gran Sasso, Teramo, Italy.
Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy


Feline lungworms have long been known as pathogens of cats. However, an increased incidence of clinical cases in some areas has been the focus of a number of recent epidemiological and clinical studies. While Aelurostrongylus abstrusus causes respiratory signs in cats all over the world, Troglostrongylus brevior has recently been found in domestic cats from Spain and Italy (where it often causes severe clinical signs). Capillaria aerophila, a parasite that infects many wild carnivores, may cause respiratory distress in cats. A variety of treatment options are known for A abstrusus, while almost no information is available on the treatment of troglostrongylosis and capillariosis. This series describes two mixed infections in clinically affected kittens with T brevior, one with concurrent A abstrusus and the other with C aerophila. In both cases, the nematodes were identified and confirmed by copromicroscopic examination and specific DNA-based assays. Kittens showed respiratory signs that resolved after one or two administrations of a spot-on solution containing emodepside. Larval (T brevior and A abstrusus) and egg (C aerophila) shedding was also eliminated 2-4 weeks after treatment. New clinical insights into these parasitoses are discussed.

[Indexed for MEDLINE]

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