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Related Experiment Videos

Hamstring release for knee flexion contracture in spastic adults.

M A Keenan1, K Ure, C W Smith

  • 1Adult Brain Injury Service, Rancho Los Amigos Medical Center, Downey, California 90242.

Clinical Orthopaedics and Related Research
|November 1, 1988
PubMed
Summary

Hamstring release surgery significantly improved mobility in adults with spastic disorders, increasing ambulatory ability and transfers. This procedure offers a viable option for managing spasticity and enhancing functional independence.

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Area of Science:

  • Orthopedic Surgery
  • Neurology
  • Rehabilitation Medicine

Background:

  • Spastic disorders, resulting from conditions like stroke and multiple sclerosis, often lead to significant mobility impairments.
  • Hamstring contractures are a common complication, restricting knee extension and hindering ambulation.

Purpose of the Study:

  • To evaluate the effectiveness of hamstring release surgery in improving functional mobility in adult patients with spastic disorders.
  • To assess the impact of hamstring release on ambulatory status and transfer ability.

Main Methods:

  • A retrospective study involving 30 adult patients (46 extremities) with spastic disorders.
  • Surgical intervention included complete or partial hamstring tendon release.
  • Preoperative and postoperative assessments of knee flexion, ambulatory status, and transfer ability were conducted.

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Main Results:

  • Significant improvement in knee flexion, from an average of 61.4 degrees preoperatively to 6 degrees postoperatively.
  • Post-surgery, 43% of patients achieved ambulation, and 17% gained transfer ability.
  • Complications were noted in two patients with severe peripheral vascular disease requiring amputation; three others had recurrent contractures successfully re-operated.

Conclusions:

  • Hamstring release surgery is an effective intervention for improving knee extension and functional mobility in adults with spastic disorders.
  • The procedure can lead to significant gains in ambulation and independence, despite potential complications.
  • Further research into managing complications and optimizing surgical techniques is warranted.