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Percutaneous central venous catheterization in a pediatric intensive care unit: a survival analysis of complications
J P Stenzel1, T P Green, B P Fuhrman
1Department of Pediatrics, University of Minnesota, Minneapolis.
Insights
For critically ill children, central venous catheter duration did not increase complication risk. Routine replacement is not advised, as it may raise insertion-related issues.
Area of Science:
- Pediatric critical care medicine
- Infectious disease epidemiology
- Medical device safety
Background:
- Central venous catheters are vital for critically ill children.
- Catheter-related complications pose significant risks.
- Understanding the relationship between catheter duration and complications is crucial.
Purpose of the Study:
- To investigate the association between central venous catheterization duration and complication incidence in critically ill pediatric patients.
- To determine if routine catheter replacement impacts complication rates.
Main Methods:
- Prospective data collection from 379 pediatric patients.
- Survival analysis techniques applied to assess complication-free catheter duration.
- Analysis of both infectious and noninfectious complications.
- Probability density function used to evaluate daily complication risk.
Main Results:
- A linear decrease in complication-free catheters was observed over time.
- The median duration of complication-free catheter survival was projected at 23.3 days.
- Catheter complication rates were similar on days 1, 7, and 24 post-insertion, indicating no increased risk with longer use.
Conclusions:
- Routine replacement of central venous catheters in critically ill children is unlikely to reduce catheter-related complications.
- Routine replacement may increase the incidence of insertion-related complications.
- Current evidence does not support routine replacement based solely on duration.
Abstract:
We investigated the relationship between the duration of percutaneous central venous catheterization and the occurrence of catheter-related complications in critically ill children by survival analysis techniques. Data were collected prospectively and analyzed for infectious and noninfectious complications from 379 pediatric patients in whom central venous catheters had been placed in the pediatric ICU over a 45-month period. Cumulative survival rate analysis revealed a linear decrease in the number of complication-free catheters with time. The median duration of complication-free catheter survival was projected to be 23.3 days. The risk of catheter complication did not increase with increasing daily duration of catheter use as demonstrated by probability density function: catheter complication rates were similar on the first day after insertion (1.06 +/- 0.5%), the seventh day (4.27 +/- 1.6%), and the 24th day (2.48 +/- 2.4%). Therefore, in this population, routine catheter replacement would not be expected to lower the incidence of catheter-related complications, but may unnecessarily increase the number of insertion-related complications.