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Postoperative Immobilization Period for Pediatric Supracondylar Fractures: The Shorter the Better?
Neil John Jones1, Essa Zarook2, Anouska Ayub1
1Royal London Hospital Orthopaedic Department.
Insights
Shorter immobilization (≤28 days) for pediatric supracondylar humerus fractures is as safe as longer immobilization (>28 days). This approach does not increase complications like refracture or malunion, offering a potentially improved treatment protocol.
Area of Science:
- Orthopaedic Surgery
- Pediatric Orthopaedics
- Traumatology
Background:
- Established standards of care exist for pediatric supracondylar humerus fractures.
- Current guidelines lack specific recommendations on postoperative immobilization duration.
- This gap necessitates research into optimal immobilization periods.
Purpose of the Study:
- To compare clinical and radiological outcomes of short immobilization (SI) versus long immobilization (LI) after operative treatment of pediatric supracondylar humerus fractures.
- To determine if shorter immobilization periods increase complication rates.
- To provide evidence-based data for refining postoperative care protocols.
Main Methods:
- Retrospective comparison of 193 pediatric supracondylar fractures treated with K-wire fixation.
- Group categorization based on immobilization duration: SI (≤28 days) and LI (>28 days).
- Evaluation of clinical outcomes (deformity, range of motion, pin site infection) and radiological outcomes (position loss, fracture healing, osteomyelitis).
Main Results:
- No statistically significant difference in pin site infections, loss of position, or regaining full range of motion between SI and LI groups.
- Operative techniques (open/closed reduction, wire crossing) showed no significant variation between groups.
- Average immobilization duration differed significantly (SI: 27.5 days vs. LI: 43.9 days, P=0.0001).
Conclusions:
- Shorter immobilization (≤28 days) for pediatric supracondylar humerus fractures is not associated with increased complications.
- The findings support the safety and efficacy of reduced immobilization periods.
- This study contributes to evidence-based recommendations for fracture management in children.
Background:
There are now recognized standards of care published by the British and American Orthopaedic Associations which detail key areas of evidence-based recommendations for the treatment of children with displaced supracondylar humerus fractures. Although many aspects of treatment are covered in these recommendations, both the American and British Orthopaedic Associations do not recommend the exact duration of immobilization postoperatively.
Methods:
This study retrospectively compared outcomes of operatively managed supracondylar fractures immobilized postoperatively for short immobilization (SI) defined as 28 days or less, with long immobilization (LI) defined as more than 28 days. The outcomes measured were clinical (deformity, range of motion, and pin site infection) and radiologic (loss of position after the removal of K-wires, Baumann's angle, anterior humeral line, refracture, and signs of osteomyelitis). Demographic data were recorded to evaluate and ensure satisfactory matching of the 2 groups for analysis.
Results:
The study included 193 pediatric supracondylar fractures over a 4-year period which were treated with manipulation under anesthetic and K-wire fixation. The difference in average time in plaster between the 2 groups was statistically significant (SI: n=27.5 d, SD 1.23; LI: n=43.9 d, SD 15.29, P =0.0001). Data for operative techniques-closed or open reduction (SI: n=66, LI: n=78, P =0.59), and crossed wires (SI: n=37, LI: n=50, P =0.57) between the two groups showed no statistical significance. There was no statistical difference between the groups for the average number of days postoperatively at which wires were taken out (SI: n=28.9 d, SD 5.95, LI: n=30.1 d, SD 5.57, P =0.15), number of pin site infections requiring antibiotic treatment (SI: n=3, LI: n=5, P =0.70), or children from each group who were recorded to have regained full range of motion symmetrical to their contralateral arm (SI: n=79, LI: n=99, P =0.74).
Conclusions:
Our study therefore suggests that shorter immobilization of these patients (SI group) does not yield a higher rate of complications including refracture and malunion.
