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Lower-limb deficiencies and amputations in children
1Shriners Hospital for Children, Portland, Oregon and Department of Surgery, Oregon Health Sciences University, Portland, USA.
Insights
Managing childhood limb deficiencies requires specialized surgical principles focusing on growth preservation and function. Key strategies include disarticulation and preserving joints to ensure optimal outcomes for young amputees.
Area of Science:
- Pediatric Orthopedics
- Limb Reconstruction Surgery
Background:
- Child amputees present unique management challenges compared to adults.
- Factors include etiology, skeletal growth, functional demands, bone overgrowth, and psychological aspects.
Purpose of the Study:
- To outline key surgical principles for optimal management of pediatric amputations.
- To highlight specific surgical techniques beneficial for young patients.
Main Methods:
- Review of established principles in childhood amputation surgery.
- Discussion of surgical techniques like Syme disarticulation, Boyd amputation, knee disarticulation, and Van Nes rotationplasty.
- Emphasis on preserving growth potential and limb length.
Main Results:
- Adherence to principles like preserving length, growth plates, and joints leads to optimal functional results.
- Specific procedures (Syme, Boyd, knee disarticulation, rotationplasty) offer weight-bearing stumps with good growth potential.
- Avoiding bone overgrowth complications is a key benefit of these techniques.
Conclusions:
- Childhood amputation surgery requires tailored principles focusing on growth and function.
- Appropriate surgical timing and prosthetic fitting are crucial for maximizing patient benefit.
Abstract:
Important differences exist in the management of child and adult amputees. Many factors, including the etiology of childhood limb deficiencies, expected skeletal growth, functional demand on the locomotor system and prosthesis, appositional bone stump overgrowth, and psychological challenges, make caring for these young patients particularly challenging. Adherence to the general principles of childhood amputation surgery will typically guide one to the optimal functional result. These principles can be summarized as follows: (1) Preserve length. (2) Preserve important growth plates. (3) Perform disarticulation rather than transosseous amputation whenever possible. (4) Preserve the knee joint whenever possible. (5) Stabilize and normalize the proximal portion of the limb. (6) Be prepared to deal with issues in addition to limb deficiency in children with other clinically important conditions. A large proportion of young amputees undergo a Syme disarticulation, modified Boyd amputation, or knee disarticulation. A modified Van Nes rotationplasty procedure is also useful in this age group. All these provide the child with a weight-bearing stump with good growth potential and no complications due to bone overgrowth. Appropriate timing of amputation procedures and prosthetic fittings is essential to maximize functional benefit to the patient.