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  • Title: Augmented amputations of the lower extremity.
    Author: Mohler DG, Kessler JI, Earp BE.
    Journal: Clin Orthop Relat Res; 2000 Feb; (371):183-97. PubMed ID: 10693566.
    Abstract:
    Ten patients who had amputations of a lower extremity for high-grade sarcomas underwent bone augmentation with either allograft or autograft between 1988 and 1996. There were eight transfemoral amputations and two transtibial amputations. The transferred segments consisted of one proximal tibia and six distal tibia autografts, two allografts, one autograft talar dome and first metatarsal, and one with a patellar cap of a supracondylar amputation. The average length of followup was 54 months. There were no nonunions of any of the grafts. There were three wound problems requiring additional operations. One autograft resorbed, and one autograft had a late infection. There was one local recurrence. Augmentation to provide length resulted in a 42% increase in bone length in those performed purely for length. All patients were able to use standard prostheses. Functional outcome was appropriate to the amputation level. Half of the patients avoided more proximal levels of amputation because of the ability to augment the osteotomy. The use of nonvascularized structural autografts or allografts is a simple procedure that can produce a superior residual limb in patients undergoing amputation. Its use should be considered in patients for whom traditional amputation techniques will result in poor function, difficulty in fitting a prosthesis, or greater than necessary anatomic loss.
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