Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CVSOH BVSc4 > Lame - equine chronic foot problems > Flashcards

Lame - equine chronic foot problems Flashcards

1
Q

What has allowed better diagnosis of chronic lameness cases in horses?

A

MRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the main causes of chronic lameness?

A

Soft tissue lesions
Osteoarthritis
Navicular syndrome
Chronic infections - thrush, canker, quittor
Keratoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What do soft tissue injuries in the foot tend to be in horses?

A

Strains and sprains to ligaments and tendons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What tendons and ligaments can be strained in equine feet?

A

Collateral ligaments of DIP joint
Distal DDFT
Impar ligament of navicular bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where abouts are enthesiophytes seen in horse feet with osteoarthritis?

A

At the joint capsule insertion of DIP joint - mid distal P2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where abouts are osteophytes seen in horse feet with osteoarthritis of DIP joint?

A

At the pericartilagenous tissues - on P3 and navicular bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What type of horses get osteoarthritis of PIP (pastern) joint?

A

Heavy horses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How do you treat subchondral bone cysts in equine hoof?

A

Trans lesional screw from dorsal aspect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What type of nerve block will navicular syndrome have a good positive response to?

A

Palmar digital nerve block

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does navicular bone syndrome look like on radiograph?

A

Lucent lesion in the flexor cortex or medulla of the bone
Change in thickness or opacity of flexor cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How do you treat navicular disease?

A

Egg bar shoe with heel cushioning
NSAIDs
Bisphosphonates
Surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the surgical treatments for navicular disease?

A

Navicular suspensory desmotomy - cut ligament
Palmar digital neurectomy - de-nerve the foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the owner need to do for horses that have had palmar digital neurectomy surgery?

A

Palpate digital pulses daily - wont get lame from abcesses etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is a keratoma?

A

A benign tumour with space occupying lesion effect
Tubular running from white line to coronary band

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What can keratomas increase the chance of developing?

A

Recurrent abcesses - white line is damaged allowing bacteria in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do you diagnose keratomas?

A

Palmar digital nerve blocks
Radiograph/MRI

17
Q

What is the best treatment for keratomas in horses?

A

Surgical resection of abnormal tissue - can be done standing or under GA

18
Q

What can cause grass cracks (vertical from sole)?

A

Possible dry hooves
Overlong hooves

19
Q

What can cause sand cracks (vertical from coronary band)?

A

Damage to coronary band

20
Q

What can cause circumferential cracks in hooves?

A

Ruptured abcess
Severe endotoxic event
Laminitis

21
Q

What is the type of crack that will take the most management?

A

Sand crack

22
Q

How do you fix grass cracks?

A

Rasp a horizontal line at top of crack to stop it increasing
Balance foot, raise area below crack so no pressure

23
Q

How can you treat sand cracks?

A

Difficult - wire them together to stabilise

24
Q

How do you treat a circumferential crack?

A

Just wait for it to grow back - dont rasp too short as might break off and cause problems

25
Q

What is thrush?

A

Infection and necrosis in the sulci either side of the frog
Fusebacterium necrophorum
Foul in the foot equivalent

26
Q

What predisposes horses to thrush?

A

Poor environmental hygiene - wet soggy bed, not picking out

27
Q

What bacteria causes thrush in horse hooves?

A

Fusobacterium necrophorum

28
Q

What is the treatment for thrush?

A

Farriery - pare away dead necrotic frog
Keep foot clean and dry

29
Q

What is seedy toe?

A

Disruption of the white line

30
Q

What causes seedy toe to occur?

A

Occurs after multiple abcesses

31
Q

What is the treatment for seedy toe?

A

Resect defect by paring it back

32
Q

What is canker?

A

Chronic, moist hypertrophic pododermatitis - painful

33
Q

Where on the hoof does canker occur?

A

Starts at the frog and slowly extends

34
Q

What causes canker?

A

Poorly understood
Maybe bovine papilloma virus

35
Q

How do you treat canker?

A

Debride
Antiseptics and dressings

36
Q

What is the prognosis for canker?

A

Guarded if extensive

37
Q

What is quittor?

A

Necrosis of collateral cartilage after wound to coronary band or deep sole puncture wound

38
Q

What type of horses is quittor seen in?

A

Heavy driving horses

39
Q

How do you treat quittor?

A

Surgical removal of necrotic cartilage and tissue

CVSOH BVSc4 (86 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions