Keyword Analysis & Research: tunneled dialysis catheter vs trialysis

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What is a tunneled hemodialysis catheter?

Tunneled Hemodialysis Catheters are used for long term (>2-3 weeks) or while waiting for arteriovenous (AV) fistulas to mature. Sites of placement in preferential order are:right IJ vein>left IJ vein> femoral vein. Ideally, the subclavian vein should be avoided given the risk for stenoses. Indications for tunneled catheters include:

What is the difference between a PD catheter and an AV fistula?

A PD catheter is the only access type for peritoneal dialysis. It requires no needles during dialysis. You must have a clean treatment environment to avoid infection. An AV fistula is an access site formed by the joining of a vein and an artery in your arm. An AV fistula is the best choice for hemodialysis access if you're eligible.

What are peritoneal dialysis catheters?

Peritoneal dialysis catheters that are used to access peritoneal space to instill dialysate fluid. The catheter can either be the rigid type (used in acute settings) or the more flexible and common type: Tenckhoff catheter. Figure 2 provides schematic representations of various types of PD catheters.

How are tunneled and non-tunneled catheters different?

Insertion – One of the main ways in which tunneled and non-tunneled catheters differ is in terms of the manner in which they are inserted. Tunneled catheters have to be tunneled through a space under the skin and have both entry and exit sites, while non-tunneled catheters pass straight into the vein without any tunneling.

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