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Catheter Design Influences Recurrence of Catheter-Related Bloodstream Infection in Children With Cancer

Patricia M. Flynn, Brian Willis, Aditya H. Gaur, Jerry L. Shenep

From the Department of Infectious Diseases, St Jude Children’s Research Hospital; and the Department of Pediatrics and Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN.

Address reprint requests to Patricia M. Flynn, MD, Department of Infectious Diseases, St Jude Children’s Research Hospital, 332 N Lauderdale St, Memphis, TN 38105; e-mail: pat.flynn{at}stjude.org.

Purpose: Multiple studies have demonstrated that catheter-related bloodstream infections (CRBI) can be successfully treated without catheter removal (in situ therapy), but there is insufficient information available to determine if catheter design can influence the eradication of bacteremia or recurrence.

Patients and Methods: Bacteremic episodes in patients at St Jude Children’s Research Hospital between January 1996 and May 2001 were identified and patient records were reviewed.

Results: A total of 172 unique episodes of CRBI were identified. In situ therapy resulted in successful eradication of bacteremia in 87% of the episodes. Bacteremia recurred in 10% of the episodes. Although catheter design (Hickman and Broviac versus totally implantable central venous catheter) did not influence short-term eradication of bacteremia, totally implantable central venous catheters were significantly associated with recurrence of bacteremia (odds ratio, 10; 95% confidence interval, 3.1 to 33.3). In a multivariable analysis, this association between catheter design and recurrence remained statistically significant after adjustment for other factors that influenced recurrence in this study (isolation of coagulase-negative staphylococci and inadequate duration of initial antibiotic therapy).

Conclusion: This study demonstrates that patients with CRBI with a totally implantable central venous catheter in place are more likely to develop recurrent bacteremia. Management strategies to prevent recurrence in this setting should be explored.

Supported in part by the American Lebanese Syrian Associated Charities (ALSAC) and the Cancer Center Support CORE Grant P30 CA21765.

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