A 32-year-old male presents to the emergency department following a high-speed motor vehicle collision. He has severe pain in the right thigh with gross swelling and deformity. On examination, the right lower limb is shortened and internally rotated. X-ray confirms a comminuted fracture of the right femoral shaft at the junction of middle and distal thirds. The patient is haemodynamically stable with no other major injuries. What is the most appropriate initial management for this fracture?

Explanation

## Femoral Shaft Fracture: Initial Management ### Clinical Context This is a comminuted femoral shaft fracture in a haemodynamically stable patient with no other major injuries — the ideal candidate for early definitive fixation. ### Why Intramedullary Nailing is the Gold Standard **Key Point:** Intramedullary nailing (IMN) is the treatment of choice for femoral shaft fractures in adults because it: - Restores anatomical alignment and length - Allows early mobilisation and weight-bearing - Reduces hospital stay and complications (DVT, pneumonia, fat embolism) - Provides superior outcomes compared to traction or external fixation **High-Yield:** The timing of IMN matters: - **Early fixation** (within 24–48 hours) in stable patients reduces systemic complications - Haemodynamic stability is the prerequisite; fracture pattern (comminution) does NOT contraindicate IMN ### Comparison of Treatment Modalities | Modality | Indications | Advantages | Disadvantages | |----------|-------------|-----------|----------------| | **Intramedullary Nailing** | Femoral shaft fractures, stable patient | Early mobilisation, low infection rate, good union | Requires surgical expertise, risk of fat embolism if delayed | | **Skeletal Traction** | Temporary stabilisation, polytrauma, unstable patient | Non-operative, allows reassessment | Prolonged bed rest, DVT/PE risk, malunion, muscle atrophy | | **Plate & Screws (ORIF)** | Distal femur, proximal femur, special cases | Anatomical reduction possible | Higher soft tissue trauma, infection risk, longer operative time | | **External Fixation** | Temporary, polytrauma, damage control | Rapid stabilisation | High pin-site infection, malunion, stiffness | ### Clinical Pearl **Fat Embolism Syndrome (FES) Risk:** Delayed fixation of long bone fractures (>24–48 hours) increases FES risk. Early IMN reduces this risk significantly. ### Mnemonic: IMAN - **I**ntramedullary nailing is the gold standard - **M**obilisation early (key advantage) - **A**natomy restored (alignment, length, rotation) - **N**o prolonged bed rest [cite:Rockwood & Green's Fractures in Adults Ch 43]