Malunion Fractures and Angular Limb Deformities

Question 1

What is a malunion?

Answer 1

Healed fracture in which anatomical bone alignment was not achieved

Question 2

What is considered a minor angular deformity?

Answer 2

<10% in any plane of 10% or less of the original length

Question 3

What is a very common site for malunions in horses?

Answer 3

Pelvis

Question 4

What causes a malunion?

Answer 4

Usually d/t improper tx of original fracture, physeal fractures

Question 5

Deviation of the segment axis toward the median sagittal plane

Answer 5

Varus

Question 6

Deviation of the segment axis away from the median sagittal plane

Answer 6

Valgus

Question 7

Cranial bowing deformity of the sagittal plane

Answer 7

Procurvatus

Question 8

Caudal bowing deformity of the sagittal plane

Answer 8

Recurvatus

Question 9

Internal rotation deformity of the axial plane

Answer 9

Pronatus

Question 10

External rotation deformity of the axial plane

Answer 10

Supinatus

Question 11

How do you treat an angular limb deformity?

Answer 11

Osteotomy and acute realignment