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Article Abstract
Purpose: The purpose of the study was to answer the following questions. What was functional results of pediatric patients receiving a short stem allograft-prosthesis composite of the proximal femur? What was complication rate and revision-free implant survival? Was it possible to preserve the bone stock of the proximal femur in pediatric patients?
Methods: We reviewed 10 pediatric patients treated with proximal femur resection for a primary bone tumor and reconstruction with short stem allograft-prosthesis composite, with at least 24 months follow-up. The median age was 9 years (4-13) at surgery. The mean resection length was 15 cm (6-29). In six cases, fixation was performed with a short plate positioned under the great trochanter while in four cases a long plate extended over the great trochanter was employed.
Results: Nine complications that required surgical revision were assessed in six patients (one wound dehiscence, two nonunions, two fractures, one acetabular wear, three hypometria), while allograft-prosthesis composite removal was required in three patients. The revision-free survival was 57% (95% confidence interval 33%-100%) at 5 and 10 years. The graft removal-free survival was 75% (95% confidence interval 50%-100%) at 5 and 10 years. The mean Musculo-Skeletal Tumor Society Score was 28 (20-30).
Conclusions: Allograft-prosthesis composites with short stem and compression plate represents an effective reconstructive option after proximal femur resection for primary bone tumors in growing patients, preserving bone stock. The use of a compression plate extended over the greater trochanter seemed to reduce failure rate.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11483815 | PMC |
| http://dx.doi.org/10.1177/18632521241269338 | DOI Listing |
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