Central Venous Access Devices - The Royal Marsden

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Skin-tunnelled cathetersWhat is a skin-tunnelled catheter?A skin-tunnelled catheter is a tube (sometimes called a ‘Hickman’line) which is inserted through your chest into a large vein leadingto your heart. Along the catheter, there is a small cuff which youmay be able to feel through your skin. This cuff prevents the catheterfrom moving or falling out. <strong>The</strong> catheter can be inserted on eitherside of your chest.What are the advantages of a skin-tunnelled catheter?• It does not need any dressings once the stitches are removed.10
<strong>Central</strong> venous access devicesWhat are the disadvantages of a skin-tunnelled catheter?• You will need to go to theatre to have the catheter inserted. Thisis carried out under sedation using local anaesthetic.• It does require a surgical procedure to remove it (but not intheatre).• You will be left with three small scars.• You cannot go swimming while you have a skin-tunnelledcatheter but your other activities should not be restricted.• It cannot be used for any nuclear medicine test injections andmay only be used for CT or MRI scan injections in certaincircumstances.How is the catheter inserted?VeinCatheterCuffClampHeartInjection capDiagram of a skin-tunnelled catheterYou will be admitted to hospital for the day. A doctor will insert thecatheter, usually using a local anaesthetic, which numbs an area onyour chest. You will also be given a sedative to relax you and makeyou sleepy. Occasionally a general anaesthetic may be used.11
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Central Venous Access Devices - The Royal Marsden

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