Why the study?
Does catheter replacement over a guidewire increase the risk of infection compared to de novo percutaneous insertion in patients with hyperalimentation catheters?
Population
88 patients (169 catheter systems) receiving hyperalimentation catheters
Comparison
Catheter replacement over a guidewire vs De novo percutaneous insertion at another site
Design
Cohort
Authors
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May support guidewire exchange to preserve access sites in prolonged catheterization; leaves open confirmation via randomized trials.
Does catheter replacement over a guidewire increase the risk of infection compared to de novo percutaneous insertion in patients with hyperalimentation catheters?
Catheter replacement over a guidewire does not appear to increase infection risk compared to de novo insertion, whereas operator experience and hospitalization duration are significant risk factors.
Armstrong et al. (1986) studied this question.
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