Bartonellosis

Bartonellosis
Classification and external resources
Specialty	infectious disease
ICD-10	A44
ICD-9-CM	088.0
DiseasesDB	1249
eMedicine	med/212
Patient UK	Bartonellosis
MeSH	D001474
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Bartonellosis is an infectious disease produced by bacteria of the genus Bartonella.Bartonella species cause diseases such as Carrión´s disease, trench fever, cat-scratch disease, bacillary angiomatosis, peliosis hepatis, chronic bacteremia, endocarditis, chronic lymphadenopathy, and neurological disorders.

Members of the genus Bartonella are facultative intracellular bacteria, alpha 2 subgroup Proteobacteria. The genus comprises:

The disease was named after medical student Daniel Alcides Carrión from Cerro de Pasco, Peru. Carrión described the disease after being inoculated at his request with the pus of a skin lesion from patient Carmen Paredes in 1885 by Doctor Evaristo M. Chávez, a close friend and coworker in Dos de Mayo National Hospital. Carrión developed the disease three weeks after the inoculation and kept a meticulous record of clinical symptoms and signs until the disease rendered him incapable of the task and he died at age 28 several weeks later—October 5, 1885. Carrión proved that Oroya fever and verruga peruana were two stages of the same disease, and not two different diseases as was thought at the time. His work did not result in a cure immediately, but his research started the process. Peru has named October 5 as "Peruvian Medicine Day" in his honor.

Peruvian microbiologist Alberto Barton discovered the causative bacterium in 1905, but his results were not published until 1909. Barton originally identified them as "endoglobular" structures, bacteria living inside red blood cells. Until 1993, the genus Bartonella, within the family Bartonellaceae, contained only one species; 23 are now identified.

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