Postoperative Radiograph of the Hip Arthroplasty

Geert Vanderschueren

doi:10.5334/jbr-btr.1412

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Postoperative Radiograph of the Hip Arthroplasty

Author:

Geert Vanderschueren

University Hospitals Leuven, BE

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Keywords: total hip arthroplasty, loosening, infection, periprosthetic fracture

How to Cite: Vanderschueren G. Postoperative Radiograph of the Hip Arthroplasty. Journal of the Belgian Society of Radiology. 2017;101(S2):18. DOI: http://doi.org/10.5334/jbr-btr.1412

Published on 16 Dec 2017

CC BY 4.0

Radiographic analysis of hip arthroplasty should include:

PARAMETERS	NORMAL

1. LEG LENGTH	<1 CM
2. HORIZONTAL CENTER OF ROTATION	=CONTRALATERAL HIP
3. VERTICAL CENTER OF ROTATION	=CONTRALATERAL HIP
4. ACETABULAR INCLINATION	30°–50°
5. FEMORAL STEM POSITIONING	NEUTRAL TO LONGITUDINAL AXIS OF SHAFT
6. ACETABULAR ANTEVERSION	5°–25°
7. CEMENT MANTLE THICKNESS	2–3 MM FEMORAL; 3 MM? ACETABULAR

Complications are “periprosthetic lucencies” (aseptic loosening, infection etc.), “sclerosis/bone proliferation” (heterotopic bone etc.) and “component failure/fracture”.

We recommend a standardized radiological approach, at hospital discharge and 6 weeks and 12 months after surgery, unless pain or clinical symptoms warrant more early investigation [1].

Competing Interests

The author has no competing interests to declare.

References

Vanrusselt, J, Vansevenant, M, Vanderschueren, G and Vanhoenacker, F (2015). Postoperative radiograph of the hip arthroplasty: what the radiologist should know. Insights into Imaging 6(6): 591–600, DOI: https://doi.org/10.1007/s13244-015-0438-5

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[B1] Vanrusselt, J, Vansevenant, M, Vanderschueren, G and Vanhoenacker, F (2015). Postoperative radiograph of the hip arthroplasty: what the radiologist should know. Insights into Imaging 6(6): 591–600, DOI: https://doi.org/10.1007/s13244-015-0438-5