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666. Human Granulocytic Anaplasmosis and Ehrlichiosis Presenting to an Upstate New York Emergency Department by Waxman, Michael; White, Jennifer; Dufort, Elizabeth M; Eichelman, Abigale; Stellrecht, Kathleen; Kennedy, Jeffrey is a Medicine article available to read on EtoBox.

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## Abstract ## Background Human granulocytic anaplasmosis (HGA) is an increasingly common tickborne infection in the North-East United States. Statewide incidence of human cases of anaplasmosis in New York (excluding New York City) increased 407% from 2010–2017, with a corresponding increase in __Anaplasma phagocytophilum__ prevalence in ticks. While previous observational studies have described the clinical features of HGA, there has been little documentation of HGA diagnosed in the emergency department (ED) setting. ## Methods Demographic and clinical data were extracted from electronic records of cases with a positive polymerase chain reaction (PCR) for HGA or the closely related clinical entity ehrlichiosis from 2016 to 2017. HGA and ehrlichiosis PCR were performed by the Albany Medical Center laboratory on patients treated in the ED. Basic descriptive analyses were performed. ## Results During the 2-year period, there were 37 cases of PCR-positive HGA and four cases of PCR-positive ehrlichiosis treated in the ED. Electronic data were available for extraction for 40 of these cases. Mean age was 54 years old (range 7–94 years). Thirty-four (85%) patients presented with fever, an

Who reads 666. Human Granulocytic Anaplasmosis and Ehrlichiosis Presenting to an Upstate New York Emergency Department?

Author

Waxman, Michael; White, Jennifer; Dufort, Elizabeth M; Eichelman, Abigale; Stellrecht, Kathleen; Kennedy, Jeffrey

Publisher

Oxford University Press; [Oxford]: Oxford University Press; Oxford University Press (OUP) (ISSN 2328-8957)

Published

2018

Language

EN

Field

Medicine (Health Sciences)