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Archives of Orthopaedic and Trauma Surgery

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01-11-2020 | Computed Tomography | Trauma Surgery

Development of an intraoperative 3D C-arm technique for torsion control of femur fractures: a cadaver study

Authors: T. Stubig, H. Aidarous, A. Khalifa, M. Omar, C. Krettek, T. Omar Pacha

Published in: Archives of Orthopaedic and Trauma Surgery | Issue 11/2020

Abstract

Aim

This study aims to test the accuracy and feasibility of a measurement of femoral torsion of a 3D C-arm system (Linea aspera method) in a cadaver setting.

Materials and methods

A total of 11 intact femora were used. Schanz screws were inserted in the femoral bone in a parallel manner with the help of a fixed drill sleeve. Femur bones were then fractured in a controlled manner and three different internal and external torsion angles were fixed with the help of a Goniometer. After that, a 3D scan was performed. The 3D data set was analyzed using a radiologic software (Visage 7, Visage Imaging Inc, USA). Measurements were then compared in the two methods with a dependent t test.

Results

Specific measurements for different angles did not show any differences between those two utilities.

Conclusion

Intraoperative estimation of femoral antetorsion using a 3D C-Arm system and the Linea aspera method seems to be an accurate and feasible method. Nevertheless, more studies with higher patient numbers, comparison to CT seems to be the next step and can be recommended.

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Title: Development of an intraoperative 3D C-arm technique for torsion control of femur fractures: a cadaver study
Authors: T. Stubig
H. Aidarous
A. Khalifa
M. Omar
C. Krettek
T. Omar Pacha
Publication date: 01-11-2020
Publisher: Springer Berlin Heidelberg
Keywords: Computed Tomography
Computed Tomography
Published in: Archives of Orthopaedic and Trauma Surgery / Issue 11/2020
Print ISSN: 0936-8051
Electronic ISSN: 1434-3916
DOI: https://doi.org/10.1007/s00402-020-03432-4

At a glance: The STEP trials

Springer Medicine

Development of an intraoperative 3D C-arm technique for torsion control of femur fractures: a cadaver study

Abstract

Aim

Materials and methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Aim

Materials and methods

Results

Conclusion

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