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Intravascular Device Infections

Intravascular Device Infections is a topic covered in the Pocket ICU Management.

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First Things First (assess & treat for the following)

  • Definitions
    • Catheter colonization
      • Catheter itself having organisms attached to it but not a current systemic infection
      • A positive catheter culture w/out signs of systemic illness, such as fever, leukocytosis, hypotension or positive peripheral blood cultures
      • Colonization is not synonymous with catheter infection (see below), but multiple studies support a strong association.
    • Catheter-related bloodstream infection (CRBSI)
      • aka line infection, line sepsis or catheter sepsis (if altered hemodynamics)
      • A systemic process originating from the catheter
      • A positive catheter culture & a positive peripheral blood culture (of the same microorganism) or clinical signs of systemic bacteremia/fungemia
      • “Complicated” CRBSIs include septic thrombosis, metastatic seeding (such as endocarditis) & abscess formation.
    • Exit-site infection
      • Erythema, induration & tenderness near the catheter exit site or along the subcutaneous tract of the line
      • Can be confirmed by laboratory culture of any exudate present & may be associated w/ concomitant bloodstream infection
    • Suppurative thrombophlebitis
      • Infection of a thrombus around a vascular device
      • Equivalent to an ‘abscessed’ vein with significant difficulty treating successfully without surgical intervention
  • Suspicion of an intravascular device infection should be raised if:
    • There is a device present AND
    • There are exam findings consistent w/ local infection at the line site, OR
    • Pt is experiencing fever, chills, hemodynamic changes or other symptoms of systemic infection without a readily identifiable alternative.
    • Suspicion should also be high if clinical signs of sepsis develop abruptly upon usage of an intravascular device.
  • In considering treatment, the basic premises are:
    • If the device is not needed, remove it.
    • If the entrance site is infected, replace the catheter at a new, clean site.
    • If the device is still needed & the entrance site appears clean, but there is suspicion of a catheter infection, consider changing the line over a guidewire or replacing at a new site while obtaining catheter & peripheral blood cultures. Then,
    • If the cultures return as a colonized catheter or a CRBSI, see the Specific Management section below.

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Last updated: April 28, 2010

Citation

"Intravascular Device Infections." Pocket ICU Management, PocketMedicine.com, Inc, 2010. Anesthesia Central, anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534075/all/Intravascular_Device_Infections.
Intravascular Device Infections. Pocket ICU Management. PocketMedicine.com, Inc; 2010. https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534075/all/Intravascular_Device_Infections. Accessed April 25, 2019.
Intravascular Device Infections. (2010). In Pocket ICU Management. Available from https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534075/all/Intravascular_Device_Infections
Intravascular Device Infections [Internet]. In: Pocket ICU Management. PocketMedicine.com, Inc; 2010. [cited 2019 April 25]. Available from: https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534075/all/Intravascular_Device_Infections.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Intravascular Device Infections ID - 534075 Y1 - 2010/04/28/ BT - Pocket ICU Management UR - https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534075/all/Intravascular_Device_Infections PB - PocketMedicine.com, Inc DB - Anesthesia Central DP - Unbound Medicine ER -