Functional evaluation of patients with bone sarcomas surgically treated by hemi or total endoprosthesis of the distal femur / Avaliação funcional dos pacientes portadores de sarcomas osseos submetidos ao tratamento cirurgico utilizando a endoprotese total ou parcial, na substituição da extremidade distal do femur

AUTOR(ES)

Sandra Maria Holanda de Mendonça

DATA DE PUBLICAÇÃO

2007

RESUMO

Introduction: Osteosarcoma and Ewing?s Sarcoma are the two most common malignant primary bone neoplasms in individuals under the age of 15 years. Limb sparing surgery is a recent method of treatment. The purpose of the study is to compare functional results of patients who underwent distal femur resection and reconstruction with a hemi or total knee endoprosthesis. Methods: Were reviewed 26 patients with bone sarcomas of the distal femur admitted at Boldrini?s Children Center between January 1990 and December 2003. Twenty-four patients presented an Osteosarcoma and the other two ones an Ewing?s sarcoma. Fifteen patients were submitted to a total endoprosthesis and eleven to a partial one. Variables as age, sex, type of reconstruction, pain, emotional acceptance, stability, movement, deformity, strength and functional activities were studied. The evaluation system has been proposed by Enneking (1987) and preconized by The Musculoskeletal Tumor Society. For the statistical analysis among criteria and final scores the Wilcoxon test was used, with an alpha error of 5%. Results: The age ranged from 5 to 21 years, mean 11.9 years; 61.5% were female. The only statistically significant difference found in this study was related to stability (p=0.0037). No statistical significance was found on any other criteria like movement (p=0.7546), pain (p=0.4848), deformity (p=0.8695), strength (p=1.0000), functional activities (p=0.9127) and emotional acceptance (p=0.5866). Conclusion: The final score between both types of endoprosthesis did not present a statistically significant difference (p=0.6027). The type of implant for limb reconstruction did not affect the patient?s functional results

ASSUNTO(S)

neoplasias osseas bone neoplasms surgery criança resultado de tratamento child treatment outcome cirurgia

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