Hip Fracture and Hemiarthroplasty in Older Adults: Day 1 to 90 Weight-Bearing Progression
In short
Hip fractures carry significant morbidity in older adults. Learn hemiarthroplasty precautions, immediate weight-bearing protocols, gait milestones, and home safety.
In this guide (5 sections)
The Surgical Landscape of Geriatric Hip Fractures
Hip fractures (neck of femur and intertrochanteric fractures) represent the leading cause of emergency orthopaedic admission in older adults, typically triggered by a low-energy fall from standing height.
For displaced intracapsular femoral neck fractures (Garden III and IV), bipolar hemiarthroplasty or total hip arthroplasty (THA) is the gold standard, replacing the damaged femoral head while preserving the native acetabulum.
Extracapsular intertrochanteric fractures are generally repaired with internal fixation using a Cephalomedullary Dynamic Hip Screw (DHS) or Proximal Femoral Nail (PFN).
National clinical guidelines emphasize that surgical fixation should occur within 24 to 48 hours, followed by bedside mobilization within 24 hours post-operatively to prevent pneumonia, deep vein thrombosis (DVT), and delirium.
Weight-Bearing Protocol: Cemented vs Uncemented Prostheses
In geriatric populations, modern orthopaedic practice strongly favors cemented femoral stems to allow immediate full weight-bearing.
| Fixation Method | Primary Indication | Weight-Bearing Status on Day 1 | Biomechanical Rationale | |
|---|---|---|---|---|
| 1. Cemented Hemiarthroplasty | Osteoporotic femoral neck fracture in elderly | Full Weight-Bearing as Tolerated (FWBAT) | Polymethylmethacrylate (PMMA) bone cement achieves immediate micro-mechanical interlock. | |
| 2. Uncemented (Press-Fit) Stem | Good bone stock; younger geriatric active patients | Partial Weight-Bearing (PWB, 50%) for 4-6 weeks | Relies on biological bone ingrowth into porous titanium coating over 6 to 8 weeks. | |
| 3. Cephalomedullary Nail (PFN) | Intertrochanteric fracture with stable medial cortex | Weight-Bearing as Tolerated (WBAT) with walker | Load-sharing intramedullary construct safely transfers axial forces down femoral shaft. | |
| 4. Unstable Comminuted Nail | Subtrochanteric / reverse obliquity fracture | Toe-touch or partial weight-bearing (20-30%) | High risk of hardware cutout or varus collapse before callus bridging. |
Phase-Wise Rehabilitation Milestones (Day 1 to 90)
Post-operative recovery progresses systematically from assisted bedside standing to independent household ambulation.
- Day 1 to 3 (Acute Bedside Phase): Active-assisted ankle pumps for DVT prophylaxis, isometric quadriceps sets, bedside sitting balance, and assisted standing with a reciprocal front-wheeled walker.
- Weeks 1 to 3 (Subacute Transfer Phase): Sit-to-stand transitions from firm elevated chairs, forward stepping re-education, hip abductor (gluteus medius) activation in standing, and negotiating single-step thresholds.
- Weeks 4 to 8 (Functional Ambulation Phase): Transitioning from wheeled walker to single elbow crutch or quadripod cane; introducing step-ups, mini-squats, and tandem balance drills.
- Weeks 9 to 12+ (Community Re-integration): Unassisted or single-point cane walking for community distances, negotiating stairs using the good leg up, operated leg down sequence, and progressive resistance band training.
Indian Toilet and Low Seating Precautions
Traditional Indian low-floor seating (sitting on rugs or chauki) and ground-level Indian squat toilets (squat plates) force hip flexion well beyond 110 degrees, creating high dislocation risks in posterior-approach hemiarthroplasties.
Home-visit physiotherapists mandate installing elevated toilet seat extensions (10 to 12 cm riser) with side arm supports, and strictly prohibit cross-legged sitting during the first 3 months.
Frequently Asked Questions
How soon after hip hemiarthroplasty should an older adult start walking?
Within 24 hours of surgery. Early assisted mobilization reduces 30-day mortality, hospital length of stay, and postoperative pulmonary complications by more than 50 percent.
Why is the operated leg often slightly shorter or longer after surgery?
Surgical restoration of the femoral neck offset and leg length can create a slight discrepancy (typically within 5 to 10 mm). Early gait retraining and temporary heel lifts prevent pelvic tilting and limping.
What are the posterior hip dislocation precautions?
For patients operated via posterior approach: avoid hip flexion past 90 degrees, avoid crossing legs (hip adduction past midline), and avoid internal rotation of the foot for 8 to 12 weeks.
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