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Donor Nerve Choice for Grafting

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Questions and Answers

What is a key characteristic of the great auricular nerve as a graft option?

It may not be available due to oncologic resection. (correct)

It can provide up to 35 cm of graft length.

It is most effective when harvested endoscopically.

It requires multiple large incisions for harvesting.

Which of the following represents an advantage of using the sural nerve for grafting?

It is easily harvested during neck dissection.

It is a motor nerve graft that guarantees superior outcomes.

It requires no incisions for harvesting.

It can provide grafts of up to 35 cm in length. (correct)

What is a major disadvantage of harvesting the sural nerve for grafting?

It may lead to extensive scar formation at the harvest site. (correct)

It can only be used for sensory nerve grafts.

It can only provide a short graft length.

It is difficult to access without incisions.

Which of the following surgeries can be performed with minimally invasive techniques for nerve harvesting?

<p>Endoscopic vein harvesting system for sural nerve grafting. (C)</p> Signup and view all the answers

Which of the following nerve options is suggested to possibly be superior in functional outcomes?

<p>Motor nerve grafts compared to sensory nerve grafts. (C)</p> Signup and view all the answers

Study Notes

Donor Nerve Choice for Interposition Grafting

Donor nerve selection depends on graft length needed, location, and harvest ease.
The great auricular nerve provides 7-10cm and is easily harvested during neck dissection, but can be absent if sacrificed during oncologic resection.
The sural nerve offers up to 35cm, and some evidence suggests a motor nerve graft might be better than a sensory one.
Harvest techniques vary, from direct incision to less invasive methods using tendon strippers and passers.
An endoscopic vein harvesting system allows harvesting long nerve segments via two small incisions but has disadvantages relating to distant harvest site and scar formation.
Other options include the medial/lateral antebrachial cutaneous nerves or ansa hypoglossi.

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Description

This quiz explores the selection of donor nerves for interposition grafting, focusing on factors such as graft length, location, and ease of harvest. It covers the benefits and drawbacks of various donor nerves like the great auricular nerve and sural nerve, along with different harvesting techniques. Test your knowledge on this essential aspect of surgical procedures.