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Hamstring release for fixed knee flexion contracture in hemophilia

E C Rodríguez-Merchán1, M Magallón, E Galindo

  • 1International Hemophilia Treatment and Training Center, La Paz University Hospital, Madrid, Spain.

Clinical Orthopaedics and Related Research
|November 5, 1997
PubMed
Summary

Hamstring release surgery effectively corrects knee flexion contractures in hemophilia patients. This surgical intervention also appears to reduce the frequency of hemarthrosis associated with this deformity.

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Area of Science:

  • Orthopedic surgery
  • Hematology

Background:

  • Hemophilia commonly leads to knee joint complications, including fixed flexion contractures.
  • Repeated hemarthroses and failed conservative management are key indications for surgical intervention.

Purpose of the Study:

  • To evaluate the efficacy of hamstring tenotomy and posterior capsulotomy for treating fixed knee flexion contracture in hemophilia patients.
  • To assess the long-term outcomes and impact on hemarthrosis incidence.

Main Methods:

  • Retrospective assessment of 16 hamstring tenotomies and posterior capsulotomies in 10 hemophilia patients.
  • Surgical technique involved posterior transverse capsulotomy and Z-shaped hamstring tenotomy.
  • Postoperative care included a 6-month stretching exercise regimen.

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Main Results:

  • An average reduction of 25 degrees in knee flexion contracture was achieved.
  • Long-term follow-up (average 9.5 years) showed 11 good, 4 fair, and 1 poor joint score.
  • The procedure demonstrated effectiveness in improving knee function.

Conclusions:

  • Hamstring release is a viable surgical option for fixed knee flexion contracture in hemophilia.
  • The surgery may contribute to a decreased incidence of hemarthrosis in affected individuals.