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Related Experiment Videos

Flexor to extensor tendon transfers in the hand

W J Dunnet1, P L Housden, R Birch

  • 1Peripheral Nerve Injuries Unit, Royal National Orthopaedic Hospital Trust, Stanmore, London, UK.

Journal of Hand Surgery (Edinburgh, Scotland)
|February 1, 1995
PubMed
Summary
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Flexor to extensor tendon transfer surgery significantly improved function in 84% of patients with radial nerve or brachial plexus injuries. However, many experienced persistent coordination issues and reduced grip strength post-surgery.

Area of Science:

  • Orthopedics
  • Neurosurgery
  • Reconstructive Surgery

Background:

  • Radial nerve and brachial plexus injuries often result in significant functional deficits, particularly affecting hand and wrist extension.
  • Flexor to extensor tendon transfer is a reconstructive surgical technique employed to restore these functions.

Purpose of the Study:

  • To evaluate the long-term functional outcomes of flexor to extensor tendon transfer in patients with radial nerve or brachial plexus injuries.
  • To identify factors influencing functional recovery and patient satisfaction after this procedure.

Main Methods:

  • Retrospective review of 49 patients who underwent flexor to extensor tendon transfer for radial nerve (22 cases) or brachial plexus (27 cases) injuries.
  • Average follow-up duration of 5.6 years, assessing functional improvement, coordination, dexterity, fatigue, and objective strength measurements.

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Main Results:

  • Overall functional improvement was observed in 84% of patients.
  • Patients with improvement frequently reported impaired coordination (79% plexus, 64% radial nerve) and premature fatigue (89% plexus, 82% radial nerve).
  • Objective measures showed reduced wrist extension power (22%), digital extension power (31%), and grip strength (40%) compared to the contralateral side.

Conclusions:

  • Flexor to extensor tendon transfer is an effective procedure for restoring function after severe radial nerve or brachial plexus injuries.
  • Despite functional gains, residual deficits in coordination, dexterity, and strength are common, necessitating further management strategies.