CAL: Cases Tendon and Lig Injury Flashcards Preview

Locomotor > CAL: Cases Tendon and Lig Injury > Flashcards

Flashcards in CAL: Cases Tendon and Lig Injury Deck (13):
1

How would a horse with perineus tertius rupture present and locomote?

- ability to flex the stifle while the hock is extended
- metatarsal protracted in a vertical orientation d/t lack of hock flexion

2

Tx perineus tertius rupture? Prognosis?

- 3 months rest
- prog good, function usually repaired by fibrotic repair of ligament

3

What is a slipped SDFT? Presentation?

- SDFT displaced from point of hock (calcaneous)
- acute presentation, displacement d/t trauma usually tearing of the medial retinaculum or occasionally split of the SDFT
- distress d/t altered mechanics of the hock (constant flexion/extension)
- can be intermittent of permentnat

4

Tx and prognosis of a slipped SDFT?

- conservative (if permenant, tendon will eventually function in new position)
- surgical repair with mesh (poor success rate)
- intermittent displacement moe of a problem
> prog fair for permenant but will drop a level of ability
> guarded for intermittent without surgery

5

What is a common site for DDFT injuries and what does this cause? Best dxx to confirm?

- just proximal to the navicular bursa -> navicular syndrome
- MRI or navicular bursoscopy best imaging modalities

6

Tx DDFT injury? Prog?

> conservative
- rest up to 12 mo
- correct foot balance to minimise load on DDF T
- NSAIDs
> surgical
- navicular bursoscopy
- debride torn fibres
- not all DDFt injuries in the foot are amenable to bursoscopy
> prog conservative 25% return to work surgical 50% retun to previous level of work

7

If you are presented with a horse with lacerations to the palmar mid-metacarpus, very lame, with toe off the ground in stance, what structures are involved?

- complete transection of the SDFT and DDFT
- look at diagram on CAL

8

What must be remembered when looking at lacerations?

Laceration of tendon most likely a differnet place to the skin

9

What dxx useful for assessing lacerations to the distal limbs? Exception?

- ultrasound
- unless massive skin deficit

10

What associated structures other than tendon/ligament can be involved with laceration/penetration wounds?

- tendon sheaths
- may get infected and need tx = septic joints

11

Management of a horse with complete transection of the SDFT and DDFt

> support MCP joint eg. Kimzey splint
> conservative
- wound mangmenet
- cast
- special show
> surgery (recommended for completel transection)
- debride ST and tendon ends
- repair of tendon if cast removal for partial laceration : 6 weeks
> cast removal for complete transection : 10-12 weeks with change @ 6-8weeks
- protect tendon loading after cast removal by either palmar splint SDFT) and/or fish tail shoe (DDFT)

12

What does a flexural deformity of the DIP joint look like? Causes? Confirm you dx?

- fully weight bearing but holds the foot on tip toes
- causes:
- ALDDFT desmitis
- adhesions of DDFt and other structures
> Dxx
- palpation (proximal metatarsal region)
- ultrasound (similar signs to forelimb)

13

What are the 2 types of ALDDFT desmitis in the hindlimb? Tx? Prog?

- lameness with swelling of the ALDDFT
- DIP joint flexural deformity
> tx
- conservative for lameness caused by desmitis
- resection for persistnet lameness and flexural deformity
- post-op physio (prevent recurrence)
- often recurs (guarded prognosis)