A simple approach for determining tendon limb length in open Achilles lengthening: technical note

Area of Science:

• Orthopedic Surgery
• Biomechanics
• Surgical Technique

Background:

• Achilles tendon lengthening requires precise estimation of tendon length and skin incision size for optimal foot function.
• Current methods may involve radiography, adding complexity and potential radiation exposure.

Purpose of the Study:

• To describe a novel, radiograph-free technique for determining Achilles tendon length and skin incision for open lengthening.
• To provide a simple, accurate method for optimizing surgical correction and minimizing complications.

Main Methods:

• Utilizes basic surgical instruments and anatomical landmarks (medial malleolus) to identify the ankle's center of rotation.
• Involves translating the ankle's rotational axis to the foot to measure the required Achilles lengthening.
• Determines skin incision and tendon limb lengths based on calculated lengthening and a standard 2 cm tendon overlap for secure repair.

Main Results:

• The described technique provides an accurate and straightforward approach to Achilles tendon lengthening.
• It allows for precise selection of tendon limb length, optimizing functional outcomes.
• Minimizes risks associated with incision length, wound complications, and incorrect lengthening (under- or over-correction).

Conclusions:

• This method offers a reliable, landmark-based technique for open Achilles tendon lengthening.
• It simplifies the surgical planning process, enhancing patient outcomes and reducing surgical morbidity.
• The technique ensures adequate tendon length for healing and function while optimizing incision size.