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Knee Surgery, Sports Traumatology, Arthroscopy

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01-05-2005 | Knee

Bone mineral density of the proximal metaphysis of tibia: clinical relevance in posterior cruciate ligament reconstruction

Authors: Pier Paolo Mariani, Fabrizio Margheritini, Alberto Bellelli

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 4/2005

Abstract

The objective of this study was to evaluate the bone mineral density (BMD) of the proximal tibia in the area adjacent to the fixation of the posterior cruciate ligament (PCL) and compare with the BMD in a similar area at the ideal site for anterior cruciate ligament fixation. Twenty healthy male subjects, undertaking similar daily physical activity were enrolled for this study. The mean age of the subjects was 22 years (range 20–24 years). The bone mineral density (BMD) at the proximal tibia was calculated using a quantitative CT scan of the dominant knee, and the data were recorded in Hounsfield units (HU). Two circular regions of interest, anterior and posterior, of identical diameters (10 mm) and thicknesses (5 mm) were studied. The results showed a significantly higher BMD in the anterior region (162.4±33.8 HU) than in the posterior one (104±24.6 HU) with a statistically significant difference (p=0.0001). The clinical implication of this finding is that the fixation should provide a firm construct for PCL reconstructions and be specifically designed for working in low bone quality areas such as the posterior proximal tibia.

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Title: Bone mineral density of the proximal metaphysis of tibia: clinical relevance in posterior cruciate ligament reconstruction
Authors: Pier Paolo Mariani
Fabrizio Margheritini
Alberto Bellelli
Publication date: 01-05-2005
Publisher: Springer-Verlag
Published in: Knee Surgery, Sports Traumatology, Arthroscopy / Issue 4/2005
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI: https://doi.org/10.1007/s00167-004-0564-y

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Bone mineral density of the proximal metaphysis of tibia: clinical relevance in posterior cruciate ligament reconstruction

Abstract

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