Is Combined Anteversion Equally Affected by Acetabular Cup and Femoral Stem Anteversion?
نویسندگان
چکیده
منابع مشابه
The combined anteversion technique for acetabular component anteversion.
The combined anteversion technique for acetabular component placement of total hip arthroplasty is beneficial because of the surgeons' limited ability to control the anteversion of a cementless femoral stem. Our data show that the cementless stem anteversion can be 15 degrees different than anticipated. By determining femoral stem anteversion before positioning cup anteversion, the cup antevers...
متن کاملMeasurement of the acetabular cup anteversion on simulated radiographs.
Widmer (J Arthroplasty 2004;19:387) reported a protractor for measuring the anteversion of acetabular cups on radiographs but with limited precision. We intended to improve its precision by trigonometric mathematics. We measured the anteversion of the acetabular cups on 336 simulated radiographs using aforementioned 2 methods. The anteversion measured by Widmer's protractor ranged from 7 degree...
متن کاملThe use of stereophotogrammetry to measure acetabular and femoral anteversion.
Stereoradiography with a base shift of the source of illumination was used to produce pairs of radiographs to be measured by stereophotogrammetric techniques. The direction of shift was parallel with the longitudinal axis of the body, so that each radiograph in the stereopair could be used for other clinical purposes. A base shift of 10 centimetres with a distance of 100 centimetres between the...
متن کاملVariation in Femoral Anteversion
Femoral anteversion has recently gained popularity in research in light of its practical applications in hip replacement surgery. Previously, surgeons would estimate the placement of a prosthetic femoral neck by standards based on homogenous populations of Caucasian males. This research project seeks to correct this bias by exploring the variation in femoral anteversion by sex, ethnicity, body ...
متن کاملUltrasound Assessment of Femoral Anteversion
A method ofmeasuring femoral neck anteversion using a static B scanner has been described (Moulton and Upadhyay 1982). This study used dried femora in a waterbath and the results obtained were confirmed by direct measurement. Although the experimental scans were performed under direct vision it was assumed that the method would be accurate in vivo where similar images can only be obtained using...
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ژورنال
عنوان ژورنال: The Journal of Arthroplasty
سال: 2021
ISSN: 0883-5403
DOI: 10.1016/j.arth.2021.02.017