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Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch or bite of a cat. [4] Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes . [ 2 ]
Bartonella henselae, formerly Rochalimæa henselae, is a bacterium that is the causative agent of cat-scratch disease [1] (bartonellosis). Bartonella henselae is a member of the genus Bartonella, one of the most common types of bacteria in the world. [specify] It is a facultative intracellular microbe that targets red blood cells.
Patients can develop two clinical phases: an acute septic phase and a chronic eruptive phase associated with skin lesions. [3] In the acute phase (also known as Oroya fever or fiebre de la Oroya), B. bacilliformis infection is a sudden, potentially life-threatening infection associated with high fever and decreased levels of circulating red blood cells (i.e., hemolytic anemia) and transient ...
Cat scratches are typically not something to worry much about, says Dr. Barbara Bawer, a family medicine physician at the Ohio State University Wexner Medical Center in Columbus, Ohio.
On microscopic examination, the chronic phase and its rash are produced by angioblastic hyperplasia, or the increased rates and volume of cell growth in the tissues that form blood vessels. This results in a loss of contact between cells and a loss of normal functioning. [2] [7] The chronic phase is the more common phase.
RELATED: See Aoshima, Japan's cat island CSF is a bacterial disease that can be transferred by kissing cats or touching your face after touching a cat's fur. Kittens are more likely to be carriers ...
Cat-scratch disease, caused by the bacterium Bartonella henselae [8] [15] Cat-scratch disease is a bacterial disease that people may get after being bitten or scratched by a cat. About 40% of cats carry the bacteria at some time in their mouths, although kittens younger than one year of age are more likely to have it. [ 16 ]
Named after Brazilian scientist Henrique da Rocha Lima, [3] B. rochalimae is also closely related to Bartonella henselae, a bacterium identified in the mid-1990s during the AIDS epidemic in San Francisco as the cause of cat scratch fever, which still infects more than 24,000 people in the United States each year. [4]