Peer-reviewed veterinary case report
Surgical wound infection with drug-resistant Streptococcus in a Great
By Yesutor K. Soku et al.·Published in Frontiers in Veterinary Science·2023·Environmental and Aquatic Research Laboratory, Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States, CH·View original on DOAJ →
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Original publication title: Case report: Multidrug-resistant Streptococcus pseudoporcinus isolated from an infected surgical wound of a 9-year-old spayed female Great Dane dog
- Species:
- dog
Plain-English summary
A 9-year-old spayed female Great Dane developed an infection in her surgical wound on the left back leg after having multiple skin growths removed. The wound became swollen and started discharging a foul-smelling pus. Tests identified the bacteria causing the infection as a rare type called Streptococcus pseudoporcinus, which was resistant to several antibiotics. This case is significant as it highlights a new bacterial infection in dogs, and it emphasizes the importance of monitoring surgical sites for signs of infection.
People also search for: Great Dane surgical wound infection · dog pus discharge after surgery · antibiotic-resistant bacteria in dogs
Abstract
Streptococcus pseudoporcinus (S. pseudoporcinus) is a β-hemolytic, Gram-positive novel bacterium first identified in 2006. It is a catalase-negative, non-motile coccus arranged in short chains. Furthermore, it has a broad beta-hemolytic reaction on sheep blood agar and cross-reacts with Lancefield group B antigen agglutination reagent. In this study, we report a case of S. pseudoporcinus infection of a surgical wound on the left metatarsus of a dog. The patient is a 9-year-old spayed female Great Dane dog with a brief history of multiple cutaneous masses being removed. Post-surgery, the post-surgical site on the left metatarsus became infected and discharged purulent material with a fetid odor. Upon preliminary diagnostic testing, we detected catalase-negative Gram-positive cocci exhibiting beta-hemolytic growth on sheep blood agar. A VITEK® 2 Compact machine from bioMérieux identified the bacterium as S. pseudoporcinus. Furthermore, antibiotic testing revealed multidrug resistance. Therefore, we document a multidrug-resistant S. pseudoporcinus isolate as a cause of canine post-surgical wound infection. Furthermore, it was the only isolate detected from the sample; hence, it is the cause of the infection. To our knowledge, this case is the first report of S. pseudoporcinus in a dog.
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Search related cases →Original publication on DOAJ: https://doi.org/10.3389/fvets.2023.1139381