Stenotrophomonas maltophilia can cause a bacteremia in patients with a central venous catheter (CVC).
Risk factors for bacteremia due to Stenotrophomonas maltophilia associated with a central venous catheter:
(1) prolonged admission to the intensive care unit
(2) exposure to multiple antibiotics (with selection for multi-resistant organisms)
(3) prolonged use of the central venous catheter
(4) history of cancer
It is not uncommon for a blood culture containing Stenotrophomonas maltophilia to contain other organisms as well (polymicrobial).
(1) contamination of skin used to take a superficial culture
(2) colonization along the catheter
(3) cellulitis around the catheter without bacteremia
Complications may include:
(1) hematogenous skin lesions
(3) liver or other occult abscesses
Removal of the infected catheter is key to resolution of the bacteremia. Stenotrophomonas is resistant to most antibiotics and finding a suitable agent can be difficult.
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Specialty: Infectious Diseases, Cardiology, Surgery, general, Hematology Oncology