P1 Fractures

Question 1

What causes a P1 fracture?

Answer 1

Torsion w/axial weightbearing

Question 2

What type of horses are P1 fractures most commonly seen in?

Answer 2

Racing horses

Question 3

Where does a P1 fracture originate?

Answer 3

Sagittal groove of proximal aspect

Question 4

What type of lameness will a P1 fracture have?

Answer 4

5/5 acute lameness

Question 5

How do you treat a P1 facture?

Answer 5

Internal fixation w/screws + cast

Question 6

Which side of the fracture do you place the first bone screw in order to align the articular surface?

Answer 6

Proximal

Question 7

How far apart do you place screws through P1?

Answer 7

20-22mm

Question 8

Are P1 fractures more common in the forelimb or hindlimb?

Answer 8

75% in forelimb

Question 9

How far from the sagittal groove should the first P1 lag screw be?

Answer 9

Within 5mm

Question 10

What type of cast do you place a P1 fracture in and for how long?

Answer 10

Distal limb cast for 2-6wk

Question 11

What does px of a P1 fracture depend on?

Answer 11

Fetlock and pastern DJD

Question 12

P1 fracture salvage prcedure

Answer 12

Fetlock arthrodesis

Question 13

Treatment for complete rupture of SDF, DDF, or SL, or septic arthritis in association w/P1 fracture

Answer 13

Fetlock arthrodesis