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Observational Study
. 2023 Nov 16;28(1):528.
doi: 10.1186/s40001-023-01518-4.

Ultrasound guidance practices used for the placement of vascular accesses in intensive care units: an observational multicentre study

Collaborators, Affiliations
Observational Study

Ultrasound guidance practices used for the placement of vascular accesses in intensive care units: an observational multicentre study

Nathalie van der Mee-Marquet et al. Eur J Med Res. .

Abstract

Background: Central catheters expose ICU patients at risk of catheter-related bloodstream infections. A mechanism by which these infections occur is the contamination of the catheter during its insertion if aseptic techniques are not strictly applied. Recent studies suggest that the use of ultrasound guidance (USG) may increase the risk of catheter contamination during insertion. We assessed current practices regarding the use of USG during catheter insertion, with a focus on identifying breaches of the surgical asepsis required for this invasive procedure.

Methods: In 26 intensive care units, we evaluated the use of USG during catheter insertion, using a questionnaire addressed to intensivists and direct observation of their practices.

Results: We analyzed 111 questionnaires and 36 observations of intensivists placing catheters. The questionnaires revealed that 88% of intensivists used USG for catheter insertion. Among those using USG, 56% had received specific training, 17% benefited from specific recommendations, 76% marked the insertion site before skin antisepsis, and during catheter insertion, 96% used sterile gel and 100% used a sterile sheath and sterile gloves. We identified potential deviations from strict aseptic technique, including contact between the sheath and the needle (19.4%), handling of the US system during catheter insertion (2.8%), and use of sterile devices, where they were not yet necessary (during the marking site or skin antisepsis), resulting in their contamination at the time of catheter insertion.

Conclusions: Interventions aimed at ensuring compliance with measures to prevent CRBs should be organized to prevent an increase in infections associated with US-guided catheter insertion.

Keywords: Arterial catheter; Dialysis catheter; Improvement of practices; Infectious risk; Intensive care unit; Long-lasting peripheral venous catheters; Peripheral inserted central catheter; Short-term central venous catheter; Ultrasound guidance.

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Conflict of interest statement

The authors declare that they have no competing interests.

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