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Radiographic study on the anatomical characteristics of the proximal femur in Brazilian adults

To ascertain the geometry of the femur in the Brazilian population by means of a radiographic study and to correlate the values with regard to sex and right/left side. Five hundred anteroposterior radiographs of the pelvis of skeletally mature patients (250 of each sex) who did not present any osteo...

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Bibliographic Details
Published in:Revista brasileira de ortopedia 2015-01, Vol.50 (1), p.16-21
Main Authors: de Farias, Tércio Henrique Soares, Borges, Vinícius Quadros, de Souza, Eduardo Soares, Miki, Natália, Abdala, Fernando
Format: Article
Language:English
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Summary:To ascertain the geometry of the femur in the Brazilian population by means of a radiographic study and to correlate the values with regard to sex and right/left side. Five hundred anteroposterior radiographs of the pelvis of skeletally mature patients (250 of each sex) who did not present any osteoarthrosis, fractures or tumoral or infectious lesions were analyzed. The length and width of the femoral neck, length of the femoral axis, neck-shaft angle and femoral offset were measured. The following means were observed: 36.54mm for the length of the femoral neck; 37.48mm for the width of the femoral neck; 108.42mm for the length of the femoral axis; 130.47° for the neck-shaft angle; and 44.4mm for the femoral offset. The mean values for the main measurements on the proximal femur in Brazilians differed from those of previous studies. It could also be shown that there was a statistically significant mean difference between men and women for all the variables, both on the left and on the right side, and that the men had greater means than the women. Verificar a geometria do fêmur da população brasileira por meio de estudo radiográfico e correlacionar os valores quanto ao sexo e ao lado direito/esquerdo. Foram analisadas 500 radiografias anteroposteriores de bacia de pacientes esqueleticamente maduros, 250 de cada sexo, sem a presença de osteoartrose, fraturas e lesões tumorais ou infecciosas. Foram mensurados os valores do comprimento e da largura do colo do fêmur, do eixo femoral, do ângulo colodiafisário e do offset femoral. Observou-se uma média de 36,54mm do comprimento do colo do fêmur, 37,48mm da largura do colo do fêmur, 108,42mm do comprimento do eixo femoral, 130,47° do ângulo colodiafisário e 44,4mm do offset femoral. Os valores médios das principais medidas do fêmur proximal dos brasileiros diferem de trabalhos prévios. Foi possível evidenciar também que existe diferença média estatisticamente significante entre homens e mulheres para todas as variáveis, tanto do lado esquerdo quanto do direito, e que os homens tiveram média maior do que as mulheres.
ISSN:2255-4971
1982-4378
2255-4971
DOI:10.1016/j.rboe.2015.02.001