29.3% of bacteremias in intensive care units (ICU) are linked to vascular devices, with a significant proportion related to central venous catheters, and an influence on both morbility and mortality. It is now accepted that microbiological biofilm plays a key role on both bacterial and fungal development on inner surface of vascular devices but there is yet a lack of clinical relevant data documenting a causal relation between biofilm formation and bacteremias. We assume that a more precise characterization of central venous catheter-deposited biofilm could help us better understand invasive medical device-related healthcare infections in critically ill patients.
Study Type
OBSERVATIONAL
Enrollment
50
Dynamic full-field optical coherence tomography analysis of central venous catheter sections to better apprehend strucural characterization of central venous catheter-deposited biofilm
William Morey General Hospital (Chalon-sur-Saône)
Chalon-sur-Saône, Saône-et-Loire, France
D-FF-OCT-based biofilm structure type
Biofilm structure type (ribbon-shaped or mushroom-shaped), measured with D-FF-OCT
Time frame: At Day 0, within 24h following catheter removal
D-FF-OCT-based biofilm thickness
Biofilm thickness, measured with D-FF-OCT
Time frame: At Day 0, within 24h following catheter removal
D-FF-OCT-based dynamic signal distribution
Biofilm dynamic signal distribution, measured with D-FF-OCT
Time frame: At Day 0, within 24h following catheter removal
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