The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem
(1) Background: Preoperative templating is mainly conducted on an anteroposterior pelvic overview X-ray. For short stem hip arthroplasty, the choice of the optimal size is especially crucial to avoid complications. Thus, the study aimed to determine if there is an increased rate of correctly planned...
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doaj-04cab4062a38428fba83230c37dad7c92021-04-27T23:05:03ZengMDPI AGApplied Sciences2076-34172021-04-01113965396510.3390/app11093965The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional StemJohanna K. Buschatzky0Michael Schwarze1Nils Wirries2Gabriela von Lewinski3Henning Windhagen4Thilo Floerkemeier5Stefan Budde6Department of Orthopaedic Surgery at Diakovere Annastift, Hannover Medical School, 30625 Hannover, GermanyLaboratory for Biomechanics and Biomaterials, Hannover Medical School, 30625 Hannover, GermanyDepartment of Orthopaedic Surgery at Diakovere Annastift, Hannover Medical School, 30625 Hannover, GermanyDepartment of Orthopaedic Surgery, Göttingen Medical School, 37075 Göttingen, GermanyDepartment of Orthopaedic Surgery at Diakovere Annastift, Hannover Medical School, 30625 Hannover, GermanyGo:h Gelenkchirurgie Orthopädie, 30159 Hannover, GermanyDepartment of Orthopaedic Surgery at Diakovere Annastift, Hannover Medical School, 30625 Hannover, Germany(1) Background: Preoperative templating is mainly conducted on an anteroposterior pelvic overview X-ray. For short stem hip arthroplasty, the choice of the optimal size is especially crucial to avoid complications. Thus, the study aimed to determine if there is an increased rate of correctly planned sizes using two radiological planes. (2) Methods: 50 patients with a conventional stem and 100 with a short stem total hip arthroplasty were analyzed. Without knowing the implanted size, three independent orthopedic surgeons performed digital templating: once using the anteroposterior pelvic overview only and once using the lateral view in addition. (3) Results: The rate of correctly planned sizes (+/−1 size compared to the inserted size) of templating with one plane was 86.3% ± 9.5% in short stem hip arthroplasty and 88.4% ± 6.0% in conventional stem arthroplasty. By adding the lateral view, the rate of correctly planned sizes was 89.9% ± 12.0% for the short stem hip arthroplasty group and 89.4% ± 9.8% for the conventional group (<i>p</i> > 0.1). (4) A potential positive effect of preoperative templating using an additional lateral X-ray view for short stem implants may be suggested based on the results of this study, which did, however, not reach statistical significance.https://www.mdpi.com/2076-3417/11/9/3965digital templatingshort-stemlateral viewfemoral torsion |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Johanna K. Buschatzky Michael Schwarze Nils Wirries Gabriela von Lewinski Henning Windhagen Thilo Floerkemeier Stefan Budde |
spellingShingle |
Johanna K. Buschatzky Michael Schwarze Nils Wirries Gabriela von Lewinski Henning Windhagen Thilo Floerkemeier Stefan Budde The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem Applied Sciences digital templating short-stem lateral view femoral torsion |
author_facet |
Johanna K. Buschatzky Michael Schwarze Nils Wirries Gabriela von Lewinski Henning Windhagen Thilo Floerkemeier Stefan Budde |
author_sort |
Johanna K. Buschatzky |
title |
The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem |
title_short |
The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem |
title_full |
The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem |
title_fullStr |
The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem |
title_full_unstemmed |
The Rate of Correctly Planned Size of Digital Templating in Two Planes—A Comparative Study of a Short-Stem Total Hip Implant with Primary Metaphyseal Fixation and a Conventional Stem |
title_sort |
rate of correctly planned size of digital templating in two planes—a comparative study of a short-stem total hip implant with primary metaphyseal fixation and a conventional stem |
publisher |
MDPI AG |
series |
Applied Sciences |
issn |
2076-3417 |
publishDate |
2021-04-01 |
description |
(1) Background: Preoperative templating is mainly conducted on an anteroposterior pelvic overview X-ray. For short stem hip arthroplasty, the choice of the optimal size is especially crucial to avoid complications. Thus, the study aimed to determine if there is an increased rate of correctly planned sizes using two radiological planes. (2) Methods: 50 patients with a conventional stem and 100 with a short stem total hip arthroplasty were analyzed. Without knowing the implanted size, three independent orthopedic surgeons performed digital templating: once using the anteroposterior pelvic overview only and once using the lateral view in addition. (3) Results: The rate of correctly planned sizes (+/−1 size compared to the inserted size) of templating with one plane was 86.3% ± 9.5% in short stem hip arthroplasty and 88.4% ± 6.0% in conventional stem arthroplasty. By adding the lateral view, the rate of correctly planned sizes was 89.9% ± 12.0% for the short stem hip arthroplasty group and 89.4% ± 9.8% for the conventional group (<i>p</i> > 0.1). (4) A potential positive effect of preoperative templating using an additional lateral X-ray view for short stem implants may be suggested based on the results of this study, which did, however, not reach statistical significance. |
topic |
digital templating short-stem lateral view femoral torsion |
url |
https://www.mdpi.com/2076-3417/11/9/3965 |
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