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Peer-reviewed veterinary case report

Heartworm infection rising in dogs in south-western Slovakia

By Miterpáková, Martina et al.·Published in Parasitology research·2018·Institute of Parasitology·View original on PubMed

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Original publication title: Heartworm on the rise-new insights into Dirofilaria immitis epidemiology.

Species:
dog

Plain-English summary

A group of 25 dogs from a breeding facility in Slovakia was tested for heartworm disease, and 18 of them were found to be infected, which is a high rate of 72%. The tests confirmed that 16 of these dogs had Dirofilaria immitis, the species that causes serious heartworm disease, while 8 had D. repens, which is less harmful. This suggests that heartworm infections may be more common in this region than previously thought, raising concerns about the potential for D. immitis to become a regular problem in Central Europe.

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Abstract

Until recently Dirofilaria immitis, the causative agent of serious canine heartworm disease, has been detected relatively infrequently in Central Europe in comparison with the predominant D. repens species. In the present study, the elevated number of heartworm cases among dogs from a breeding establishment in south-western Slovakia is described. Out of 25 dogs examined, dirofilariasis was detected by single or several diagnostic approaches in 18 animals, which represents a mean prevalence of 72.0%. D. immitis was confirmed in 16 (64.0%) of the infected dogs and D. repens in 8 dogs (32.0%). All cases of D. immitis infection were detected in areas regarded as D. repens-endemic to date. Following the presented results and discussed circumstances, the question of whether the real prevalence of canine heartworm disease in Slovakia, or even in Central Europe as a whole, has been underestimated, or if D. immitis is currently becoming endemic in this area.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29774422/