Case Study: Abnormal Presentation of Infective Endocarditis With Streptococcus Canis and Chiari Network

Streptococcus canis native aortic valve endocarditis linked to cat exposure: A Case Report and Review

“…In terms of dog exposure, four of the five had known exposure to dogs. 16 – 18 , 20 The fifth case did not describe the presence or absence of dog exposure. 19 To the best of our knowledge, our patient is the first case of endocarditis associated with cat exposure.…”

“…To our knowledge, there have only been five previously reported cases of endocarditis with streptococcus canis . 16 – 20 All five were published as case reports 16 – 20 in English speaking journals. In terms of age, all five patients were elderly, ranging from ages 65 to 85 16 – 20 ( Table 2 ).…”

“… 16 – 20 All five were published as case reports 16 – 20 in English speaking journals. In terms of age, all five patients were elderly, ranging from ages 65 to 85 16 – 20 ( Table 2 ). In terms of dog exposure, four of the five had known exposure to dogs.…”

“…In terms of underlying co-morbidities, three patients had chronic lower extremity edema, 16 , 17 , 19 two patients had a prior malignancy, 16 , 18 one with alcoholism, 17 congestive heart failure, 17 atrial fibrillation, 17 diabetes mellitus, 17 cirrhosis, 17 one with a prosthetic aortic valve, 19 and one with a Chiari malformation. 20 …”

“…There are only five documented cases of endocarditis secondary to streptococcus canis , with all except one documenting exposure to dogs. 16 – 20 The actual number of cases may be higher due to changes in Lancefeld classification. 6 , 21 To the best of our knowledge, this is the first documented case of streptococcus canis endocarditis linked to feline exposure.…”