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Related Experiment Videos

The functional results of ray amputation.

E Y Melikyan1, M S A Beg, S Woodbridge

  • 1The Pulvertaft Hand Centre, Derbyshire Royal Infirmary, London Road, Derby DE1 2QY, UK. emelikyan@yahoo.com

Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand
|August 19, 2003
PubMed
Summary

Ray amputation leads to reduced grip and pinch strength, impacting work. However, most patients adapt, with functional disability remaining within acceptable limits post-surgery.

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Area of Science:

  • Orthopedic Surgery
  • Rehabilitation Medicine
  • Hand Surgery

Background:

  • Ray amputation, involving the removal of a digit, can significantly affect hand function and patient quality of life.
  • Understanding the long-term functional outcomes and patient-reported disability after ray amputation is crucial for surgical planning and rehabilitation.

Purpose of the Study:

  • To evaluate the long-term functional outcomes and disability following ray amputation.
  • To assess grip strength, pinch strength, and work capacity in patients who have undergone ray amputation.

Main Methods:

  • A cohort of twenty patients who underwent ray amputation were assessed an average of 32 months post-surgery.
  • Assessment included the Disability of the Arm, Shoulder and Hand (DASH) questionnaire, physical examination, and functional testing of grip and pinch strength.

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  • Objective measurements of peak power and average work output were compared between operated and contralateral hands.

    • Main Results:

    • Patients demonstrated an average reduction of 27% in grip strength and 22% in three-point pinch strength in the operated hand.
    • Peak power output was 22% lower and average work output 14% lower on the operated side.
    • The average DASH function score was 29.2, with significant variability. Nine patients returned to their previous occupation, while three experienced job changes or unemployment.

    Conclusions:

    • Ray amputation results in measurable deficits in hand strength and functional capacity.
    • Despite objective functional losses, the overall disability reported by patients was within acceptable limits, indicating successful adaptation.
    • The findings support the need for comprehensive pre-operative counseling and post-operative rehabilitation to optimize outcomes for patients undergoing ray amputation.