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Current methods and biomechanics of extensor tendon repairs
Christopher J Dy1, Lauren Rosenblatt, Steve K Lee
1Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA.
Hand Clinics
|May 11, 2013
Summary
Extensor tendon injuries require understanding anatomy for effective management. Modern treatments improve outcomes, but some residual extensor lag or limited flexion may persist post-injury.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Traumatology
Background:
- Extensor tendon injuries are common, necessitating a thorough grasp of the extensor mechanism's complex anatomy.
- Effective patient counseling is crucial for adherence to nonoperative and surgical treatment plans, optimizing outcomes.
Purpose of the Study:
- To review the management of extensor tendon injuries.
- To highlight preferred surgical techniques for distal extensor tendon lacerations.
- To inform patients about potential long-term functional limitations.
Main Methods:
- Review of current literature on extensor tendon injury management.
- Description of the running-interlocked horizontal mattress technique for distal lacerations (Zones II-V).
- Discussion of complications such as joint stiffness from prolonged immobilization.
Main Results:
- The running-interlocked horizontal mattress technique is preferred for distal extensor tendon injuries.
- Prolonged immobilization can lead to joint stiffness.
- Modern repairs and rehabilitation enhance clinical outcomes.
Conclusions:
- A detailed understanding of extensor tendon anatomy is vital for successful injury management.
- While outcomes are improving, patients should anticipate potential persistent extensor lag or reduced flexion.
- Careful patient counseling is essential for managing expectations and ensuring compliance.
