Experience with the Orthofix device for limb lengthening.

Area of Science:

• Orthopedics
• Biomechanical Engineering

Background:

• Limb lengthening procedures are complex surgical interventions.
• Various techniques and devices exist, each with unique benefits and drawbacks.

Purpose of the Study:

• To evaluate the DeBastiani technique for limb lengthening, particularly when utilizing the Orthofix device.
• To compare the DeBastiani technique with the Wagner and Ilizarov methods.

Main Methods:

• The DeBastiani technique employing the Orthofix device for limb lengthening.
• Assessment of biomechanical stability, surgical time, complication rates, and bone formation.
• Comparison with Wagner and Ilizarov lengthening methods.

Main Results:

• The Orthofix device provides superior biomechanical stability and simplifies application compared to circular frames.
• It reduces the need for bone grafting and internal fixation compared to the Wagner method.
• Lower complication rates in pediatric patients lead to fewer required anesthetics.

Conclusions:

• The DeBastiani technique with the Orthofix device is a recommended and advantageous method for limb lengthening in children and adolescents.
• Careful consideration and potential modifications like bilevel lengthening are necessary for adult patients, especially those with compromised bone.
• While effective in achondroplastic patients, limb lengthening is rarely indicated due to limited height gains and high complication rates.