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In Reply: Dr Lv and colleagues address the potential danger of extending the dressing changes to 7 days in particular subpopulations with a higher risk of catheter colonization.¹ The risk of catheter colonization did not significantly differ between 3-day and 7-day dressing changes in surgical patients (hazard ratio [HR], 1.06; 95% confidence interval [CI], 0.72-1.57) or in immunocompromised patients (HR, 0.91; 95% CI, 0.26-3.21). Results were also similar for femoral catheter only (HR, 1.40; 95% CI, 0.97-2.02), jugular catheter only (HR, 0.74; 95% CI, 0.45-1.21), subclavian catheter only (HR, 1.19; 95% CI, 0.62-2.27), and radial catheter only (HR, 0.93; 95% CI, 0.56-1.53). Blood cultures were not collected at the time of catheter insertion. The rate of dressing change was not different between the CHGIS and control groups (P = .10). The sponge may absorb secretion and increase dressing adhesion, but it should not play a major role in the CHGIS . . . [Full Text of this Article]

Jean-François Timsit, MD, PhD
jftimsit@chu-grenoble.fr

Adrien Francais, MSc
University Joseph Fourier
Albert Boniot Institute
Grenoble, France

Jean-Christophe Lucet, MD, PhD
Infection Control Unit
Bichat-Claude Bernard University Hospital
Paris, France

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