Subtrochanteric Fractures Flashcards
1
Q
What is the classification system for subtrochanteric fractures?
A
Russel-Taylor
2
Q
What is considered a subtrochanteric fracture?
A
a fracture between the lesser trochanter and 5cm distal of this point
3
Q
What is a type I?
A
No extension into the piriformis fossa
4
Q
What is a type II?
A
Extension into the greater trochanter and piriformis fossa
5
Q
What are the deforming forces on the proximal fragment?
A
Flexion: Iliopsoas
Abduction: gluteus medius, gluteus minimus
External rotation: Piriformis
6
Q
What are the deforming forces on the distal fragment?
A
Adduction and shortening: Adductor longus
7
Q
what is a risk factor for subtrochanteric fractures?
A
use of bisphosphonates or denosomab
