Septic DJD and Surgical Amputation

Question 1

Surgical disease of the digit:

1.
2.
3.
4.
5.
6.
7.

Answer 1

1. Vertical cracks
2. Interdigital hyperplasia
3. septic arthritis of the distal and proximal interphalangeal joints
4. tenosynovitis, flexor tendon necrosis
5. pedal osteomyelitis
6. phalangeal luxation, distal phalanx fracture
7. degenerative joint diseases of the distal interpahalangeal joint

Question 2

Characteristics of septic arthritis of DIP joint seen on radiographs:

1.
2.
3.

Answer 2

1. periosteal reaction
2. Asymmetric swelling of soft tissues
3. bony lysis around joint

Question 3

Treatment options for chronic septic arthritis of DIP joint?

1.

2.

3.

Answer 3

1. Facilitated ankylosis (arthrotoomy & curettage, or Resection of DDT/navicular bone)
2. digit amputation or surgical arthrodesis
3. Culling

Question 4

Clinical signs of septic arhritis of DIJ in cattle:

1.
2.
3.
4.

Answer 4

1. Swelling
2. Draining tract
3. Laceration
4. Puncture

Question 5

Structures involved in Septic DIJ in cattle:
1.
2.
3.
4.
5.

Answer 5

1. P3
2. P2
3. Navicular bursa/bone
4. DDFT/sheath
5. PIJ

Question 6

Ways to diagnosis Septic Arthritis of DIJ in cattle:

1.
2.
3.
4.

Answer 6

1. PE
2. Probing of draining tract
3. Fistulogram
4. radiographs

Question 7

You can leave the tourniquet on when giving local anesthesia around septic digit for HOW LONG?

Consider padding under tourniquet to help prevent ____

Answer 7

2 hours.

neuropraxia

Question 8

Advantages of digit amputation as treatment for septic arthritis?

1. 
2.
3.
4.
5.

Answer 8

1. Quick
2. cheap
3. good short term results
4. all affected tissues removed
5. rapid return to producton

Question 9

**Digit amputation can be used to treat what injuries?

1.
2.
3.
4.

Answer 9

1. septic coffin joint
2. infection of p2 or p3
3. fracture of p2 or p3
4. injury or sepsis distal to P1

Question 10

For skin flap method of amputation, do you place the bandage before or after removing the tourniquet?

Answer 10

Before

Question 11

Disadvantages of Digit amputation:
1.
2.
3.

Answer 11

1. Expected production life decreased
2. Poor response in heavier animals
3. Poor cosmetic results

Question 12

Average survival time post digit amputation?

Answer 12

2 years

Question 13

Digit amputation

1. Less successful on the (medial/lateral) digit of the thoracic limb?
2. Less successful on the (medial/lateral) digit of the pelvic limb?
3. Less successful with (decreased/increased) body weight?

Answer 13

1. medial
2. lateral
3. increased

Question 14

Supporting structures that experience rapid breakdown after digit amputation?
1.
2.
3.
4.

Answer 14

1. soft tissues
2. cruciate ligaments
3. interdigital iigaments
4. flexor tendons

Question 15

Acute septic arthritis of DIJ in cattle:

1. (rare/common)?

Medical treatment involves:
2.
3.
4.

Answer 15

1. rare
2. IA lavage with LRS/.9% NaCL for at least 3 days
3. IA antibiotics
4. Systemic antibiotics

Question 16

Mean time to presentation of Septic arthritis of DIJ in cattle?

Answer 16

4.4 weeks

Question 17

Septic Arthritis of DIJ in cattle: Possible etiologies?

1.
2.
3.
4.
5.

Answer 17

1. Pododermatitis
2. White line disease
3. peri-articular wound
4. interdigital wound
5. interdigital necrobacillosis

Question 18

Facilitated ankylosis as treatment for Septic DIJ in cows:

1. (bad/good) long term results?
2. (cheap/expensive)?
3. (short/long) surgery?
4. (slow/fast) return to production?

Answer 18

1. good
2. expensive
3. long
4. slow

Question 19

Three goals of facilitated ankylosis procedure:

1.
2.
3.

Answer 19

1. treat infection
2. remove articular cartilage
3. immobilize

Question 20

Facilitated ankylosis of DIJ in cattle: Procedure:

1. ___ to create arthrotomy
2. Culture the _____
3. Remove all infected ____/____ with what instrument?
4. always be sure to ____
5. After, place block on the ___ digit
6. ___ between flushes

Answer 20

1. Trephine
2. subchondral bone
3. cartilage/bone with Curette
4. LAVAGE
5. sound
6. bandage

Question 21

Advantages of Ankylosis over amputation?

1.
2.
3.

Answer 21

1. longer productive life
2. better ambulation
3. improved longevity

Question 22

Disadvantages of Ankylosis:

1.
2.
3.

Answer 22

1. Expense
2. slow return to production
3. prolonged treatment/recovery time

Question 23

Overal surgical anklyosis has a (low/high) success rate?

Reccomended for:

1. (light/heavy) animals?
2. Hind (lateral/medial) digit sepsis
3. Front (lateral/medial) digit sepsis

Answer 23

high

1. heavy
2. lateral
3. medial