Mechanical failure of unsupported Huckstep intramedullary nail in malignant bone tumor reconstruction.
Seventeen segmental resections of diaphyseal tumors and five knee resection arthrodeses were reconstructed using the Huckstep nail with intercalary bone grafts (fibula), cementation, and ceramic and titanium spacers. Although the bone defects were 0 to 25.5 cm in length (mean, 13.1 cm), all patients had relief of pain and were able to move alone with a wheelchair or a cane. Nail breakage occurred in four patients who had reconstruction surgery using a ceramic spacer (four patients without intercalary fibula graft and one patient with intercalary fibula graft). The nail survival rate was significantly better in the patients with reinforcement by vascularized fibular graft (100% at 5 years and 75% at 10 years; n = 8) than in the patients without reinforcement by vascularized fibular graft (87.5% at 3 years and 0% at 5 years; n = 14). Huckstep nailing is a useful option for reconstruction of large bone defects in diaphyseal tumors and knee resection arthrodesis. It should be used in combination with a vascularized fibula graft to prevent mechanical failure and to achieve durability of limbs with defects from primary bone tumors. Huckstep nailing with nonbiologic augmentation is good for palliative surgery for bone metastases in patients with a shorter expected survival rate.[1]References
- Mechanical failure of unsupported Huckstep intramedullary nail in malignant bone tumor reconstruction. Abe, S., Tateishi, A., Tokizaki, T., Takeyama, S., Nakano, H., Matsushita, T. Clin. Orthop. Relat. Res. (2001) [Pubmed]
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