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Technical report: use of ultrasound guidance in the removal of tunnelled venous access catheter cuffs

Department of Radiology, Charing Cross Hospital, Fulham Palace Road, London W6 8RF, UK

View larger version (111K): [in a new window]   Figure 1. Longitudinal ultrasound image demonstrating the central venous catheter within the subcutaneous tissues of the anterior chest wall, before crossing the clavicle. The echogenic walls of the catheter are well defined and do not cast an acoustic shadow deep to the catheter.

View larger version (125K): [in a new window]   Figure 2. Longitudinal ultrasound image of the catheter demonstrates focal loss of continuity of the well-defined walls at the site of the catheter cuff and marked acoustic shadowing within the soft tissues deep to the cuff.

View larger version (104K): [in a new window]   Figure 3. Transverse ultrasound imaging of (a) the catheter and (b) the cuff shows poor definition and apparent thickening of the walls at the site of the cuff, with dense acoustic shadowing present.