Bartonella is a genus of gram-negative bacteria gram-negative bacteria Bacteria which lose crystal violet stain but are stained pink when treated by gram's method. Bacteriology in the family Bartonellaceae. As a facultative intracellular Facultative intracellular Yersinia spp./Yersiniosis parasite, Bartonella can infect healthy people as well as act as an opportunistic pathogen Opportunistic pathogen Moraxella. Bartonella species are transmitted by vectors such as ticks Ticks Blood-sucking acarid parasites of the order ixodida comprising two families: the softbacked ticks (argasidae) and hardbacked ticks (ixodidae). Ticks are larger than their relatives, the mites. They penetrate the skin of their host by means of highly specialized, hooked mouth parts and feed on its blood. Ticks attack all groups of terrestrial vertebrates. In humans they are responsible for many tick-borne diseases, including the transmission of rocky mountain spotted fever; tularemia; babesiosis; african swine fever; and relapsing fever. Coxiella/Q Fever, fleas, sandflies, and mosquitoes. B. henselae is the most common of the 3 species known to cause human disease; it is a zoonosis that causes cat-scratch disease and bacillary angiomatosis Bacillary Angiomatosis A reactive vascular proliferation that is characterized by the multiple tumor-like lesions in skin, bone, brain, and other organs. Bacillary angiomatosis is caused by infection with gram-negative Bartonella bacilli (such as Bartonella henselae), and is often seen in AIDS patients and other immunocompromised hosts. AIDS-defining Conditions (BA). The other 2 species are human-specific: B. bacilliformis causes trench fever Fever Fever is defined as a measured body temperature of at least 38°C (100.4°F). Fever is caused by circulating endogenous and/or exogenous pyrogens that increase levels of prostaglandin E2 in the hypothalamus. Fever is commonly associated with chills, rigors, sweating, and flushing of the skin. Fever and BA, and B. quintana causes Oroya fever Fever Fever is defined as a measured body temperature of at least 38°C (100.4°F). Fever is caused by circulating endogenous and/or exogenous pyrogens that increase levels of prostaglandin E2 in the hypothalamus. Fever is commonly associated with chills, rigors, sweating, and flushing of the skin. Fever, verruga peruana, and Carrion’s disease.
Last updated: Dec 12, 2022
Bartonellosis in humans is caused by 3 main species of Bartonella bacteria Bacteria Bacteria are prokaryotic single-celled microorganisms that are metabolically active and divide by binary fission. Some of these organisms play a significant role in the pathogenesis of diseases. Bacteriology and produces a wide range of symptoms and diseases depending on the species and the immune state of the infected individual.
Carrion’s disease, also known as:
Most cases of bartonellosis can be diagnosed through the detection of characteristic symptoms and physical findings and a complete medical history. Specialized laboratory tests are used to confirm the diagnosis.
Aside from supportive care, management is dependent on the specific species of Bartonella contracted and the severity of each case.
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