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Staged extensor tendon reconstruction in the finger

B D Adams1

  • 1Department of Orthopaedic Surgery, University of Iowa Hospitals and Clinics, Iowa City 52242, USA.

The Journal of Hand Surgery
|October 23, 1997
PubMed
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This study presents a two-stage finger extensor tendon reconstruction using a silicone implant and tendon graft. The technique successfully restored proximal interphalangeal joint extension in severe hand injuries.

Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Reconstructive Surgery

Background:

  • Severe finger injuries often involve dorsal skin and extensor mechanism damage.
  • Restoring proximal interphalangeal (PIP) joint extension is crucial for hand function.
  • Previous methods may lead to stiffness or require prolonged immobilization.

Purpose of the Study:

  • To evaluate a staged extensor tendon reconstruction technique for severe finger injuries.
  • To assess the restoration of PIP joint extension and flexion.
  • To determine the reliability of silicone implant and tendon grafting for extensor mechanism loss.

Main Methods:

  • A two-stage reconstruction using a silicone implant followed by tendon grafting was performed on 6 fingers.
  • Early range of motion exercises were initiated to prevent stiffness.

Related Experiment Videos

  • Skin defects were managed with split-thickness skin grafting or secondary intention healing.

    • Main Results:

    • Active PIP joint extension was restored in all treated fingers.
    • An average extension lag of 15 degrees was observed.
    • Average PIP joint flexion was 95 degrees.

    Conclusions:

    • Staged extensor tendon reconstruction with a silicone implant and subsequent grafting is a reliable treatment for severe extensor mechanism loss.
    • The technique facilitates implant gliding and stability.
    • Early mobilization and appropriate skin management are key to successful outcomes.