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  • Title: Anterior decompression and stabilization of the spine as a treatment for vertebral collapse and spinal cord compression from metastatic malignancy.
    Author: Harrington KD.
    Journal: Clin Orthop Relat Res; 1988 Aug; (233):177-97. PubMed ID: 3402124.
    Abstract:
    During a ten-year period, 77 patients with spinal instability caused by metastatic pathologic fractures of one or more vertebrae were treated with anterior decompression and stabilization by replacement of the affected vertebral bodies with methylmethacrylate, polymerizing in situ, augmented by Knodt distraction rods positioned anteriorly. No postoperative external support was required, and the fixation achieved by this method was not affected adversely by subsequent irradiation at a mean of 4020 rads. Sixty-two patients had major neurologic impairments preoperatively and required spinal cord and/or nerve root decompression anteriorly prior to fixation. Of these, 26 had complete neurologic recovery postoperatively, 16 others improved significantly, 20 remained unchanged, and one patient deteriorated neurologically. Five patients suffered failures of fixation, although two were successfully restabilized after a second operation. The remaining 72 patients enjoyed good or excellent resolution of spine pain postoperatively, and, in patients surviving their underlying malignancies, stability did not deteriorate during the follow-up period ranging from 42 to 146 months. Six patients developed spinal instability from tumor lysis at a different level between five and 95 months postoperatively. All were treated with successful decompression and stabilization. There was one wound infection among the 83 anterior stabilization procedures. However, three of the six patients requiring secondary posterior stabilization suffered wound dehiscences, and three of these became infected.
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