Functional and radiological outcomes after treatment with custom-made acetabular components in patients with Paprosky ty
- PDF / 936,424 Bytes
- 8 Pages / 595.276 x 790.866 pts Page_size
- 88 Downloads / 174 Views
(2020) 21:835
RESEARCH ARTICLE
Open Access
Functional and radiological outcomes after treatment with custom-made acetabular components in patients with Paprosky type 3 acetabular defects: short-term results Michael S. Gruber1, Michael Jesenko2, Julia Burghuber1, Josef Hochreiter3, Peter Ritschl2 and Reinhold Ortmaier3,4*
Abstract Background: Severe acetabular defects require special treatment with either impaction bone grafting, metal augmented cups or cup-cage constructs. Even these options are often not adequate, especially in hips with Paprosky type 3 defects with loss of anterior and posterior columns. This study investigates the clinical and radiological outcomes of custom-made acetabular components (© Materialise NV, Leuven, Belgium) for Paprosky type 3 defects. Methods: Sixteen patients were eligible for this trial, nine of whom agreed to be included. All of them completed one year of follow-up. The Harris hip score and the Oxford hip score were used to compare pre- and postoperative functional outcomes. Radiological follow-up comprised anteversion and inclination of the implanted cup and offset measurements in both hips (femoral, medial, ischial offset and center of rotation). Statistical analyses were performed with IBM SPSS Statistics. Results: The mean follow-up time of the nine patients was 12.2 months (range: 10–18). The Oxford hip score and Harris hip score improved from 19.8 and 50.1 to 29.4 and 68.8, respectively (p = 0.009 and 0.01). There were complications in three cases (33.3%), which led to one re-revision (11.1%). Radiologic follow-up showed restoration of the height of the center of rotation and of the global offset. Significant difference was detected in the femoral offset. Conclusions: The functional and radiological outcomes are promising. However, long-term outcomes still need to be examined. Level of evidence: Therapeutic Level IV. Keywords: CTAC, 3D-printed prosthesis, Revision surgery, Severe acetabular bone loss, Custom-made acetabular component, Total hip arthroplasty * Correspondence: [email protected] 3 Department of Orthopedic Surgery, Ordensklinikum Barmherzige Schwestern Linz, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University Salzburg, Linz 4020, Austria 4 Institute for Sports Medicine, Alpine Medicine and Health Tourism (ISAG), Tirol Kliniken GmbH, Innsbruck and UMIT, Hall Austria, Innsbruck 6020, Tyrol, Austria Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the ma
Data Loading...
