Fragility pelvic fractures

Definition
Fracture of the pelvis caused by a low energy fall
Usually secondary to osteoporosis
Bleeding
Incidence of bleeding low unless on anticoagulation
Fracture pattern
Lateral compression injury
- pubic rami fracture

Fracture of the pelvis caused by a low energy fall
Usually secondary to osteoporosis
Incidence of bleeding low unless on anticoagulation
Lateral compression injury
- pubic rami fracture
Chronic, non metabolic bone disorder
Characterised by increased bone resorption, bone formation and remodelling
Rare < 40
1 – 3 % population over 60
M > F
Unknown
Paramyxovirus implicated
- measles
- RSV
- canine distemper virus
Electron Microscope

Pelvis is a true ring
- any anterior fracture must have a posterior injury as well
- integrity of the posterior sacroiliac complex is key
2 innominate bones + sacrum
Symphysis pubis < 5mm
SI joint 2-4 mm