Contents
Mechanism
- high energy trauma (e.g. MVA), either direct or by force transmitted longitudinally through the femur
Clinical Features
- local swelling, tenderness
- pelvic instability, deformity of hips
- only a management problem if they cause instability of the bony ring of the pelvis

Investigation
- x-ray: AP, Judet (inlet and outlet)
Title Classification of Pelvic Fractures
|
Type |
Stability |
Description |
|---|---|---|
|
A |
Rotationally stable |
A1: fracture not involving pelvic ring |
|
B |
Rotationally unstable |
B1: open book |
|
C |
Rotationally unstable |
C1: unilateral |
Treatment
- ABCDE
- assess genitourinary injury (rectal exam, vaginal exam)
- if involved, the fracture is considered open
- Type A: bedrest, mobilize with walking aids
- Types B & C: external or internal fixation

Complications
- hemorrhage (life threatening) – 1500-3000mL blood loss
- bladder/urethral injury
- neurological damage
- obstetrical difficulties
- persistent SI joint pain
- post-traumatic arthritis of the hip with acetabular fractures injury to rectum
