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  • Title: [Diagnostics and management of central venous line infections in pediatric cancer patients].
    Author: Beutel K, Simon A.
    Journal: Klin Padiatr; 2005 Nov; 217 Suppl 1():S91-100. PubMed ID: 16288355.
    Abstract:
    Otherwise unexplained clinical signs of infection in patients with tunneled or totally implanted central venous access devices (CVAD) are highly suspicious of an underlying CVAD-associated infection. Diagnostic methods include catheter swabs, blood cultures and cultures of the catheter tip or port reservoir. In case of a suspected CVAD-related blood stream infection in pediatric cancer patients in situ treatment without prompt removal of the device can be tried. The removal of the CVAD should be considered, if bacteremia persists or relapses 72 hours or longer after the initiation of an (in vitro effective) antibacterial therapy administered through the line. The CVAD should be removed even earlier, if the patient suffers from hypotension or other signs of severe organ dysfunction related to the infection. If S. aureus, Pseudomonas aeruginosa, multiresistant Acinetobacter baumannii or Candida spp.are isolated from blood cultures taken through a CVAD, patients are at a high risk for severe complications and immediate device removal is also recommended. Duration of therapy depends on the immunological recovery of the patient (neutrophils counts), the pathogen isolated and on the presence of related complications like thrombosis, pneumonia, endocarditis, osteomyelitis. Antibiotic-lock techniques in addition to systemic treatment are beneficial in Gram-positive infections. Although prospectively controlled studies are missing, the concomitant use of urokinase- or taurolidine seems to favour catheter salvage.
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