Forty-six hips in 42 patients underwent revision surgery with a modular femoral component (ZMR; Zimmer, Warsaw, Ind). Thirty-nine hips with 2 to 5 years' follow-up were evaluated radiographically and clinically by the Harris hip score and WOMAC pain/stiffness/function scores. The Harris hip score improved from 47.4 to 72.3 (P<.001), with significant improvements in the WOMAC pain/stiffness/function scores. The mean subsidence was 4.4 mm, with 5 hips demonstrating significant subsidence of more than 5 mm. Four hips required reoperation, 1 due to failure of the femoral component. No early complications were encountered regarding the modular junction. Modular, cementless, extensively porous, coated femoral components have demonstrated early clinical and radiographic success. Distal intramedullary fit helps ensure initial stability; proximal modularity further maximizes fit while optimizing hip offset and length.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.arth.2007.03.006 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Intraprosthetic Dislocation Following Dual Mobility Total Hip Arthroplasty: A Retrieval Analysis Study.
Arthroplast Today
February 2025
Department of Orthopaedic Surgery, Fiona Stanley Fremantle Hospitals Group, Murdoch, Western Australia, Australia.
Background: Dual mobility (DM) implants in total hip arthroplasty provide excellent range of motion with low dislocation rates. A complication of this design is intraprosthetic dislocation (IPD), where the polyethylene (PE) liner dissociates from the femoral head. In older designs, IPD occurred due to a small head size and late PE wear with head-capture-mechanism failure.
View Article and Find Full Text PDFModular dual-mobility constructs outperformed large femoral heads in 299 revision total hip arthroplasties at mid-term follow-up.
Bone Joint J
January 2025
Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Article Synopsis
- The study aimed to compare the Modular Dual Mobility (MDM) hip system and large femoral heads (LFHs) in revision total hip arthroplasties (THAs), focusing on risks like dislocation and metal-related complications.
- Researchers analyzed 299 revision THAs and found that the MDM group had a significantly lower rate of re-revision for dislocation (99% survival) compared to the LFH group (91% survival), with increased risks for LFH patients.
- Overall, THAs utilizing the MDM construct demonstrated a safer profile, particularly in reducing re-revisions related to dislocation and had no reported issues with metallosis or corrosion.
Cemented Modular Bipolar Hemiarthroplasty for Displaced Femoral Neck Fractures in the Elderly.
Cureus
November 2024
Trauma and Orthopedic Surgery, Services Hospital Lahore, Lahore, PAK.
Objective To determine the outcomes of cemented modular bipolar hemiarthroplasty for displaced femoral neck fractures in the elderly. Methodology This prospective study involved 102 elderly patients with clinically and radiologically confirmed displaced femoral neck fractures and was conducted in the Department of Trauma and Orthopedic Surgery, Unit-1, Services Hospital, Lahore. Cemented bipolar hemiarthroplasty was performed on all patients.
View Article and Find Full Text PDFClinical and functional outcomes of a modular fluted titanium stem in complex hip surgery with femoral bone loss.
J Clin Orthop Trauma
December 2024
Orthopaedic and Trauma Surgeon, AO Hospital, Karachi, Pakistan.
Background: The tapered fluted titanium stem is a viable option for complex hip reconstruction. We therefore, evaluate the results of complex hip arthroplasty for femoral bone loss (Paprosky type IIIA to type IV femoral defect), using a modular fluted titanium stem.
Methods: Data for this retrospective study was collected from the medical records of the 2 participating orthopaedic units from December 2018 to December 2021.
Vancouver B2 Periprosthetic femoral fractures around cemented polished taper-slip stems - how should we treat these? A systematic scoping review and algorithm for management.
Orthop Traumatol Surg Res
December 2024
Trauma and Orthopaedics, Royal Free NHS Foundation Trust, Pond Street, London, NW3 2QG, United Kingdom.
Background: Periprosthetic femoral fractures (PFF) are a challenging complication of hip arthroplasty surgery, posing a high risk of morbidity, mortality and reoperation. The Vancouver Classification describes a B2 PFF around a loose stem with sufficient bone stock. In recent years, the number of B2 PFFs and cementation of femoral stems have increased substantially.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!