What is a central line-associated bloodstream infection (CLABSI)?

A central line-associated bloodstream infection (CLABSI) specifically refers to an infection that occurs when bacteria or other pathogens enter the bloodstream through a central line, which is a catheter placed in a large vein to administer medications or fluids. This type of infection is particularly concerning in healthcare settings because central lines provide a direct pathway for germs, which can lead to serious health complications.

Option B is correct because it accurately describes the mechanism by which a CLABSI occurs. Central lines, while necessary for certain medical treatments, can be risk factors for infection if proper sterile techniques are not followed during insertion or maintenance, or if the lines are not appropriately cared for once in place.

Other options do not correctly define a CLABSI. While lapses in hygiene can lead to infections, they encompass a broader range of issues than just central line infections. An infection developing outside the hospital does not fit the specific definition of CLABSI, which is associated with healthcare settings where central lines are in use. Lastly, stating that a CLABSI is easily treated with antibiotics overlooks the severity and complexity often associated with such infections, which may require more than just antibiotic therapy depending on various factors such as the patient's condition and the specific pathogens involved.