Trancik T, Lunceford E, Strum D
Department of Orthopaedic Surgery, University of South Carolina School of Medicine, Columbia 29203.
Clin Orthop Relat Res. 1990 Jul(256):120-4.
Eleven hips in eight patients with Ficat Stage II osteonecrosis were treated with core decompression and placement of an electrical stimulating coil in the anterior superior quadrant of the femoral head. The hips were followed two to five years (average, three and one-half years). Five hips required reoperation at an average of 13 months after placement of the electrical coil. The remaining six hips had further deterioration of function with an average Iowa hip rating score of 55. Histologic examination of the retrieved femoral heads showed minimal evidence of new bone formation around the electrical stimulating coil. The clinical, roentgenographic, and histologic results of this study showed this treatment was ineffective in preventing deterioration of hip function in patients with Ficat Stage II osteonecrosis of the femoral head.
对8例患有Ficat II期股骨头坏死患者的11个髋关节进行了髓芯减压，并在股骨头前上象限放置了电刺激线圈。对这些髋关节进行了2至5年的随访（平均3.5年）。5个髋关节在放置电刺激线圈后平均13个月需要再次手术。其余6个髋关节功能进一步恶化，爱荷华髋关节评分平均为55分。对取出的股骨头进行组织学检查显示，电刺激线圈周围新骨形成的证据极少。本研究的临床、影像学和组织学结果表明，这种治疗方法在预防Ficat II期股骨头坏死患者髋关节功能恶化方面无效。
