bacteremia

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Related to Bacteraemia: pyaemia, endocarditis, septicemia, sepsis

bacteremia:

see septicemiasepticemia
, invasion of the bloodstream by virulent bacteria that multiply and discharge their toxic products. The disorder, which is serious and sometimes fatal, is commonly known as blood poisoning.
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Bacteremia

 

the presence of bacteria in the blood. Bacteria enter the blood of man and animals through injuries of the skin and mucous membranes, and also when there are pathological changes in the lymph nodes, vascular system, and so on. Bacteremia accompanies many infectious diseases, such as leptospirosis, typhus, relapsing fever, and tularemia; it is especially characteristic of intestinal infections—typhoid, paratyphoid, and other salmonelloses; brucellosis, and others—in which it causes generalization of the pathologic process. Bacteremia is most intensely expressed during the acute (generalized) period of a disease. Bacteremia develops under the action of medium and large doses of ionizing radiation as a result of disruption of natural immunity. There is a decrease in the production of antibodies, a decrease in the number of leukocytes and of their phagocytic activity, and also changes in the permeability of tissue barriers and a number of other factors. Bacteremia is a characteristic complication of radiation sickness. As the organism overwhelms the disease (activation of the phagocytic function of the leukocytes, accumulation of antibodies, and so on), bacteremia decreases to the point of complete disappearance.

bacteremia

[′bak·tə′rē·mē·ə]
(medicine)
Presence of bacteria in the blood.
References in periodicals archive ?
4] It is postulated that high-grade bacteraemia is required for meningeal invasion, although in the case of NTS this bacteraemia may not be detected in up to 40% of cases.
aureus bacteraemia is a serious infection with significant associated mortality.
A prospective observational study was carried out in which all hospital admissions during 2011 for bacteraemia related to the haemodialysis catheter were analysed.
He said the Pneumococcal disease could cause pneumonia, meningitis sepsis, febrile bacteraemia, arthritis, peritonitis and osteomyelitis.
Possible causative mechanisms include chronic low grade inflammation and transient bacteraemia leading to metastatic infection and metastatic inflammation.
Researchers at the KEMRI-Wellcome Trust Research Programme in Kilifi, Kenya, examined two major killer diseases, malaria and bacteraemia, or invasive bacterial disease, which includes severe cases of meningitis, pneumonia and sepsis.
At South Tees, there were six cases of MRSA bacteraemia in the last financial year - a reduction of 33% from the previous year.
Either the use of these drugs or the cancer itself leads to neutropaenia, which predisposes the mucosa to mucostitis lesions and also enables bacterial invasion of the submucosa and vascular walls, leading to bacteraemia and septicaemia [Sonis, 2004; Brown and Wingard, 2004].
These patients are also at risk for bleeding in and around their joints as well as bacteraemia associated with regular factor transfusions.
The bug can then cause diseases such as pneumonia, bacteraemia blood infection, septicaemia and meningitis.
parvula appears to be the most commonly isolated specimen in human species and has been isolated as pathogen in cases of meningitis (4), osteomyelitis (5), discitis (2,6) endocarditis of both native (7) and prosthetic valve (8), and bacteraemia without an underlying source.
Several postulated mechanisms have been reviewed, including the virulence effects and role of asymptomatic bacteraemia, focusing on the bacterial load in periodontium facilitating its transmission from oral cavity to the uterus.