Tendon Laceration

Question 1

What extensor tendons are prone to direct trauma on the forelimb?

Answer 1

Common and lateral digital extensors

Question 2

What extensor tendons are prone to direct trauma on the hindlimb?

Answer 2

Long and lateral digital extensors

Question 3

What is the best modality for diagnosing a tendon laceration?

Answer 3

Ultrasound

Question 4

Why is flexor tendon laceration prognosis worse than extensor tendon laceration?

Answer 4

Flexor tendons are weight-bearing

Question 5

Are flexor or extensor tendon lacerations more common?

Answer 5

Flexor tendons

Question 6

How do you treat extensor tendon injuries?

Answer 6

Palmar aspect PVC pipe splint w/bandage

Question 7

What is the goal for stabilizing an extensor tendon injury?

Answer 7

Prevent horse from knuckling when it walks

Question 8

Which flexor ligament is usualy the last to rupture?

Answer 8

Suspensory ligament

Question 9

“Toe up” is a sign of _____ rupture

Answer 9

DDF

Question 10

What is a concern for treating flexor tendon injury?

Answer 10

Contralateral limb laminitis

Question 11

Treatment includes wound management and splinting w/bandage

Answer 11

Extensor tendon injury treatment

Question 12

Treatment includes splinting, casting, corrective shoeing, or surgical intervetion

Answer 12

Flexor tendon injury treatment

Question 13

Which limb can get an epidural catheter?

Answer 13

Hindlimb

Question 14

Minimizes tendon gap, restores gliding function, reduces adhesions, and preserves vasculature

Answer 14

Tenorrhaphy

Question 15

When do you suture the tendons back together?

Answer 15

> 50% lacerated

Question 16

What are the 3 options for suturing tendons back together?

Answer 16

Locking loop suture, 3 loop pulley, 6 strand savage

Question 17

Which tendon suturing technique is the easiest, provides good strength, and leaves the least amount of exposed suture?

Answer 17

Locking loop suture

Question 18

What cast do you place post-op for a hind limb? For a forelimb?

Answer 18

Hindlimb = distal limb cast
Forelimb = full limb cast

Question 19

Why does the hindlimb need a full limb cast post-tenorrhaphy?

Answer 19

Stay apparatus needs support since it provides tension for the whole limb

Question 20

What is a risk of a full limb cast?

Answer 20

Increased risk for peroeus tertius rupture

Question 21

How long must you stall rest a tenorrhaphy patient post-op?

Answer 21

2-3 months after cast removal

Question 22

What is the total recovery period for a tenorrhaphy?

Answer 22

8-12 months

Question 23

What is the prognosis of a flexor tendon injury to return to athleticism?

Answer 23

Guarded 45-59%

Question 24

What is the px of an extensor tendon injury to return to athleticism?

Answer 24

Good 72-80%

Question 25

What are complications of tendonitis?

Answer 25

Necrosis, sepsis, proud flesh, acquired FLD