Cat-scratch Disease in the Pediatric Population
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Date
2020
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Abstract
Background: Bartonella henselae is the etiologic agent of cat-scratch disease, which affects the entire world population. Due to how poorly characterized the child population is, the objective was to describe the clinical behavior of this disease in children younger than 16 years of age. Methods: This was a descriptive study with prospective follow-up of all children younger than 16 years with clinical and serologic diagnoses between 2013 and 2018. Results: There were 142 patients; of these, 55.6% had localized disease, 34.5% disseminated with hepatosplenic involvement and 9.8% had atypical disease. The cases of atypical disease were prolonged febrile illness, Parinaud syndrome, subacute bacterial endocarditis/glomerulonephritis and aseptic meningitis. Cervical lymphadenopathy was the most frequent, followed by inguinal adenopathy. There were no differences between the type of manifestation and laboratory values except for a higher erythrocyte sedimentation rate tendency in patients with disseminated and/or atypical disease. The serologic titers throughout were distributed as follows: titer of 1/1024, 71.7%; titer of 1/512, 10.4% and titer of 1/256, 17.9%. Conclusions: This is, to our knowledge, the largest series of cat-scratch disease published. We demonstrate that in our environment, the inguinal location is suggestive of this disease, the disseminated presentation, frequent, and that the titers are probably much higher than in other populations, which perhaps indicates the need to re-examine the cut-off point for positivity.
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Keywords
Bartonella henselae, Cat-scratch disease, Lymphadenopathy, Children, Clinical presentation