Intravascular infections encompass a category of infections that involve the bloodstream, often originating from intravascular devices such as catheters. Catheter-related bloodstream infections (CRBSIs) are a significant concern, particularly in healthcare settings where intravascular devices are commonly used for medical interventions. CRBSIs can result from the colonization of catheter surfaces by microorganisms, leading to their entry into the bloodstream. Common pathogens associated with CRBSIs include Staphylococcus aureus, coagulase-negative staphylococci, Enterococcus species, and various Gram-negative bacteria. The risk of CRBSIs is influenced by factors such as the type of catheter, duration of catheterization, and the immune status of the patient. Immunocompromised individuals, including those undergoing chemotherapy or organ transplantation, are at an increased risk of developing CRBSIs. Preventive measures for CRBSIs include strict aseptic techniques during catheter insertion, regular catheter site care, and the use of antiseptic-impregnated catheters. Diagnosis often involves blood cultures to identify the causative microorganisms. Treatment typically requires the removal of the infected catheter, along with targeted antimicrobial therapy based on the identified pathogens and their antibiotic susceptibility profiles.
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