Vascularized iliac bone graft for avascular necrosis of the femoral head

  • Ishizaka M
  • Sofue M
  • Dohmae Y
 et al. 
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Abstract

This is a followup study of 31 hips in 24 patients from 2 to 11 years after receiving a vascularized iliac bone graft for nontraumatic avascular necrosis of the femoral head. The clinical results according to the Merle d'Aubigne score were satisfactory in 24 (77%) of the hips, whereas the radiographic success rate for all hips was 58%. The extent of the lesion as shown on anteroposterior radiographs was predictive of the eventual outcome. Seven (39%) of 18 hips with a lateral type lesion had satisfactory results, whereas 11 (85%) of 13 hips with a medial type lesion had satisfactory results. All of the hips with a medial type lesion and a lateral head index of greater than 12% had satisfactory results. For the success of this procedure, the lateral buttress of the normal portion in the femoral head was necessary.

Author-supplied keywords

  • Adolescent
  • Adult
  • Aged
  • Bone Transplantation/methods/rehabilitation
  • Disability Evaluation
  • Female
  • Femur Head Necrosis/classification/radiography/sur
  • Follow-Up Studies
  • Humans
  • Ilium/blood supply/transplantation
  • Locomotion
  • Male
  • Middle Aged

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Authors

  • M Ishizaka

  • M Sofue

  • Y Dohmae

  • N Endo

  • H E Takahashi

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