Hemodialysis access grafts

Method of removing toxic substances from blood when the kidneys are unable

What is a life saving technique for pts with acute and chronic kidney failure?

This circulates blood through special filters to remove toxins.

What is necessary for a successful hemodialysis?

A AV fistula must support velocities as high as _____ thus a peripheral IV will not work!

What are the graft flow volumes?

What is the flow volume equation?

This involves the surgical joining of an artery and vein under the skin

Once the fistula is in place, what will happen to it?

Why are native veins not used in dialysis?

What are two things they could use as donor veins while creating a fistula?

What are 3 types of grafts and fistula?

Aka Brescia cimino fistula

What arm are fistula generally put in?

What are the types of fistulas?

What is the most common type of fistula?

What is the benefit of a fistula?

What are the types of access grafts?

What are 3 types of access grafts?

This is when a vessel connects straight from artery to vein.

What are some examples of a common straight?

What are some examples of a common loop graft?

What do pts with a long term dialysis graft have to do?

What are the complications of a graft, and or the indicators to asses the graft?

Another word for occlusion

Where do stenosis generally occur in a fistula or graft?

Digits/ hand ischemia

Are aneurysms and pseudo aneurysms common in grafts and fistulas?

What type of transducer do you use for a hemodialysis graft?

Do you ever take a BP over dialysis graft?

This will have a palpable thrill due to high velocities?

What is the evaluation protocol for hemodialysis grafts?

What are you looking for during you evaluation of the hemodialysis graft?

Arterial inflow proximal to the graft/ fistful as should demonstrate low resistant waveforms.

Arterial flow should remain low resistant but velocities may be increasing and spectral broadening may be noted.

What do you obtain in Doppler when looking at the graft?

What should flow in the graft look like in Doppler?

Are stenosis in the distal anastomoses common?

Once you have obtained the distal portion of the graft, what do you move on to next?

The native vein which has become arterialized is often referred to as ?

What do you evaluate for in the native venous outflow/ efferent vein?

A stenosis in the native venous outflow/ efferent vein is commonly caused by?

What are you assessing the peri graft/ fistula tissue for?

This is a occurrence where the fistula graft will steal blood from the hand

How do you assess for a arterial steal?

What does a absent thrill indicate?

What will a stenosis in a fistulas/ graft look like?

Do grafts and fistulas have a high failure rate?

What are the guidelines for a normal graft/ fistula?

What will the flow pattern of a normal graft/ fistula look like?

What are some indications of an occlusion?

What is the criteria for dialysis graft stenosis?