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The CLSI defines an acceptable contamination rate as no greater than 3% of all blood cultures. [11] The frequency of contamination varies widely between institutions and between different departments in the same hospital; [ 83 ] studies have found rates ranging from 0.8 to 12.5 percent.
One out of two positive cultures will usually prompt a repeat set of blood cultures to be drawn to confirm whether a contaminant or a real bacteremia is present. [34] The patient's skin is typically cleaned with an alcohol-based product prior to drawing blood to prevent contamination. [34] Blood cultures may be repeated at intervals to ...
Infectious disease. A hospital-acquired infection, also known as a nosocomial infection (from the Greek nosokomeion, meaning "hospital"), is an infection that is acquired in a hospital or other healthcare facility. [1] To emphasize both hospital and nonhospital settings, it is sometimes instead called a healthcare-associated infection. [2]
A blood-borne disease is a disease that can be spread through contamination by blood and other body fluids. Blood can contain pathogens of various types, chief among which are microorganisms, like bacteria and parasites, and non-living infectious agents such as viruses. Three blood-borne pathogens in particular, all viruses, are cited as of ...
At present, culture for GBS (using an enriched culture medium) at 35–37 weeks to define an at-risk group of women appears to be the most cost-effective strategy. [ 55 ] [ 56 ] The charitable organization Group B Strep Support has published a list of hospitals in the UK that offer the detection of GBS using the enrichment broth culture method ...
Mycobacterium avium-intracellulare infection (MAI) is an atypical mycobacterial infection, i.e. one with nontuberculous mycobacteria or NTM, caused by Mycobacterium avium complex (MAC), which is made of two Mycobacterium species, M. avium and M. intracellulare. [1] This infection causes respiratory illness in birds, pigs, and humans, especially ...
000431. [edit on Wikidata] Blood transfusion is the process of transferring blood products into a person's circulation intravenously. [1] Transfusions are used for various medical conditions to replace lost components of the blood. Early transfusions used whole blood, but modern medical practice commonly uses only components of the blood, such ...
List of contaminated cell lines. Many cell lines that are widely used for biomedical research have been overgrown by other, more aggressive cells. For example, supposed thyroid lines were actually melanoma cells, supposed prostate tissue was actually bladder cancer, and supposed normal uterine cultures were actually breast cancer. [1]