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Anatomy
Benefits
Cannulation
1

Generally speaking, what is Ellipsys’ primary outflow target?

Cephalic

BONUS

1

Name an Ellipsys procedure benefit.

note - host has list, seven in total.

1

Tell me about the angle of cannulation for an Ellipsys fistula compared to a surgical fistula.

Use a shallow angle of entry for the needle on Ellipsys AVFs (they are less evident, but NOT deeper than normal surgical AVFs)

Land the plan, not diving into the pool

5-20 degrees

2

Name the vessel a patient has to have to be a candidate for Ellipsys.

Perforator

BONUS x 2

2

Which physicians can perform Ellipsys?

Any!


2

What should you do you when you see flashback when cannulation an Ellipsys fistula?

While inserting the needle, do not advance more than 1/8” after getting flash.

3

Where is the Ellipsys anastomosis?

2 finger widths below the elbow crease

3

How long do most Ellipsys fistulas take to mature?

6-8 weeks

3

Why do we recommend using a 3 or 5 CC syringe to draw from the fistula?

Using a 3 or 5cc syringe to draw from the fistula during the initial few cannulations instead of a 10cc syringe can prevent collapse of the vein.

BONUS

4

Most patients are cannulated in which vein?

  • Cephalic vein
4

Name one of the four benefits of a Ellipsys pAVF as a moderate flow rate fistula with multiple outflow vessels.

note - judge has answers

4

What pump speeds are used?

Start with slow pump speeds (50-100mL/min) and advance by 50mL every minute until desired speed is reached

Start with 17ga needles @ 250 mL/min

Progress through 16ga to 15ga @ 450 mL/min

5

Most patients are cannulated in the cephalic vein.  How else can Ellipsys patients be cannulated?

  • Some patients are cannulated with 1 needle in the Cephalic and 1 Basilic, in a “Y” configuration
  • Other patients may get a basilic vein transposition surgery, and they will be cannulated with 2 needles in the basilic vein
5

After the first year, how many procedures to Ellipsys patients have for maintenance annually?

Less than one time annually.

BONUS

5

Will the thrill feel the same?

The Thrill will be strongest in the antecubital region and the distal upper arm, and may be less evident than a surgical AVF.

Bonus