Radiocephalic Fistula Suture Technique

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Questions and Answers

What primary characteristic distinguishes a radiocephalic arteriovenous fistula from other types of vascular access?

  • It involves connecting an artery to a vein in the lower extremities.
  • It is a temporary access method used only in emergency situations.
  • It directly connects the radial artery to the cephalic vein in the wrist. (correct)
  • It utilizes a synthetic graft material to bridge the artery and vein.

Why is it important to assess the 'thrill' and 'bruit' of a newly created radiocephalic AV fistula?

  • To evaluate the effectiveness of anticoagulant therapy.
  • To detect early signs of infection at the surgical site.
  • To measure the patient's pain level post-surgery.
  • To ensure proper blood flow and fistula patency. (correct)

What is the most common early complication following radiocephalic AV fistula creation?

  • Aneurysm formation
  • Steal syndrome
  • Infection
  • Thrombosis (correct)

In the context of AV fistula creation, what does 'steal syndrome' refer to?

<p>Inadequate blood flow to the distal extremity due to fistula blood diversion. (A)</p> Signup and view all the answers

What is the primary purpose of performing a radiocephalic arteriovenous fistula?

<p>To create a suitable access point for long-term hemodialysis. (A)</p> Signup and view all the answers

Which of the following is a critical consideration in the pre-operative assessment for a radiocephalic AV fistula creation?

<p>Assessing the patency of the radial artery and cephalic vein. (B)</p> Signup and view all the answers

What is the typical timeframe for a newly created radiocephalic AV fistula to 'mature' and become suitable for dialysis?

<p>4-8 weeks (D)</p> Signup and view all the answers

Which intraoperative technique is most important to ensure long-term patency of a radiocephalic AV fistula?

<p>Creating an anastomosis with appropriate vessel diameter match and without tension (A)</p> Signup and view all the answers

What is the MOST likely cause of a radiocephalic AV fistula failing to mature?

<p>Underlying venous stenosis or obstruction (B)</p> Signup and view all the answers

After creation of a radiocephalic AV fistula, a patient reports pain, numbness, and coolness in their hand. What condition is MOST likely?

<p>Steal syndrome (C)</p> Signup and view all the answers

Flashcards

Arteriovenous Fistula (AVF)

A surgically created passage between an artery and a vein, commonly in the forearm, to provide access for hemodialysis.

Anastomosis

A surgical connection between two blood vessels or other tubular structures.

Everting Suture

A specific method of suturing where the edges of the tissue are turned outward.

Parachute Suture

Suture is placed around the circumference of a vessel or structure like the cords of a parachute before it is tightened.

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Inverting Suture

A suture technique where the edges of the tissue are turned inward.

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Study Notes

  • This quiz is on Radiocephalic Arteriovenous Fistula Creation.
  • The quiz question asks what suture technique is used when performing the radiocephalic anastomosis.
  • The possible answers are:
  • Everting suture
  • Parachute suture
  • Inverting suture
  • Cushing suture
  • Connel suture

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