Application of the best evidence for prevention and control of central line-associated bloodstream infection in children based on the i-PARIHS framework

The purpose of this study is to identify obstacles faced by PICU nurses in central venous catheter maintenance using the i-PARIHS tool, explore improvement strategies, and evaluate their application effectiveness. Data source: sourced from the knowledge level and compliance of central venous catheterization among 33 nurses at PICU5, a tertiary children's hospital in China Key variables: Knowledge score of central venous catheter maintenance, compliance with central venous catheter maintenance, incidence of central venous catheter related bloodstream infections, and incidence of catheter dysfunction