Hip

Question 1

Schlag
Ehmer sling
JAVMA 2019

Answer 1

44% re-luxation

Trauma 5x likely to re-luxation

Soft tissue injury 50%
~Poor compliance (12.5x)
~intern rather than a surgeon/ resident (4x)
~Soild bandage on >1 occasion (5.7x)

Question 2

Meomartino
Joint laxity in hip dysplasia with flexed rads
JSAP 2021

Answer 2

Lower Norberg Angle & Higher Laxity Index:
VD Flexed & Distracted > VD Flexed & not distracted > VD Extended

Strong agreement for Norberg angle & Laxity index
VD Flexed & Distracted = VD Extended

VD flexed & distracted = VD Flexed & not distracted views obtained with the hip in a neutral position reveal joint laxity better than the ventrodorsal hip extended standard view.

Question 3

Denny
Canine THR
JSAP 2018

Answer 3

Helica hip

Complications 35%
no risk factors were identified for overall complications
~aseptic loosening of the femoral stem 20%
-1st generation 4.9x odds

2nd generation
~ fewer complications
~more Satisfactory outcome

Question 4

Howser
Femur position on rads for FHO
VCOT 2020

Answer 4

Craniocaudal view
30 & 45 degree External Rotation 95 & 96% acc
15-degree External rotation 90% acc
Standard 65%

Question 5

Mathews
Toggle Rod
VetSurg 2021

Answer 5

Complication Rate 24%
Relaxation 15%

Decreased risk if traumatic
~Lameness more severe at presentation

Question 6

Open Hip Luxation Repairs

Answer 6

• Prosthetic capsule
• Capsulorraphy
• Transpose Greater Trochanter
• Transarticular pinning
• Toggle Rod
• Fascia Lata Loop
• Transposition Sacrotuberous Ligament
• Intra-Articular Iliofemoral Suture

Question 7

Types of Sacral Fractures

Answer 7

I: alar
II: foraminal
III: transverse
IV: avulsion
V: comminuted