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Supracondylar Fractures of the Humerus in Children
1Surgery, University of California, San Francisco (UCSF), and Pediatric Orthopaedic Service, UCSF Medical Center.
Insights
Closed reduction and percutaneous pinning effectively treat pediatric humerus fractures, reducing complications like malunion and compartment syndrome. Conservative management is recommended for associated nerve injuries.
Area of Science:
- Orthopedic Surgery
- Pediatric Orthopedics
- Traumatology
Background:
- Supracondylar humerus fractures are common in children, with types II and III posing significant risks.
- Traditional treatments carried high complication rates, including malunion (cubitus varus) and compartment syndrome.
- Nerve and vascular injuries are common associated injuries requiring specific management strategies.
Purpose of the Study:
- To evaluate the efficacy of closed reduction and percutaneous pinning for type II and III pediatric humerus fractures.
- To assess the impact of this technique on complication rates.
- To outline management protocols for associated neurovascular injuries.
Main Methods:
- Review of pediatric patients with type II and III supracondylar humerus fractures treated with closed reduction and percutaneous pinning.
- Analysis of complication rates including malunion, compartment syndrome, nerve injury, and vascular insufficiency.
- Correlation of initial presentation findings with treatment outcomes.
Main Results:
- Closed reduction and percutaneous pinning significantly decreased rates of malunion and compartment syndrome.
- Nerve injuries, predominantly neurapraxia, occurred in 5-19% of cases and were managed conservatively.
- Vascular insufficiency, present in 5-17% of cases, was initially managed with reduction and pinning, with exploration for persistent cases.
Conclusions:
- Closed reduction and percutaneous pinning is a highly effective treatment for pediatric type II and III humerus fractures.
- This technique substantially reduces the incidence of serious complications.
- A clear algorithm exists for managing associated nerve and vascular injuries, prioritizing prompt reduction and pinning.
Abstract:
The treatment of type II and type III supracondylar fractures of the humerus in children with closed reduction and percutaneous pinning has dramatically lowered the rate of complications from this injury. The incidence rates of malunion (cubitus varus) and compartment syndrome have both decreased. Nerve injury accompanying this type of fracture (prevalence, 5% to 19%) is usually a neurapraxia, which should be managed conservatively. Vascular insufficiency at presentation (prevalence, 5% to 17%) should be managed initially by rapid closed reduction and pinning without arteriography. Persistent vascular insufficiency necessitates exploration and vascular reconstruction.