A total of 156 ceramic versus ultra-high-molecular-weight polyethylene hip prostheses were followed for a minimum of 10 years to compare the outcome of the femoral component in 2 groups: those with and those without radiologically detectable voids in the cement mantle. No significant difference was observed. In this series, voids with a 5-mm diameter had no effect on loosening of the femoral component over a 10-year period.
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Mechanical studies for the rotational stability of a cemented stem in cases with stem anteversion adjustment in the cement mantle.
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Department of Orthopedic Surgery, Nishinomya Kaisei Hospital, 1-4, Ohama-cho, Nishinomiya City, Hyogo, 662-0957, Japan. Electronic address:
Article Synopsis
- The cemented stem is effective for various femur shapes and maintains stability, although increased cement viscosity during rotation can impact postoperative stability.
- A study compared two cementing methods—static and rotating stems—using in vitro testing to measure rotational stability under load and repetitive strain.
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Extended Trochanteric Osteotomy as a Tool in the Revision of Hip Arthroplasty Due to Aseptic Loosening.
Cureus
October 2024
Medicine, Tecnologico de Monterrey, School of Medicine and Health Sciences, Monterrey, MEX.
Aseptic loosening of femoral and acetabular components is a common complication following total hip arthroplasty (THA). It presents a significant diagnostic and therapeutic challenge for orthopedic surgeons, as it requires differentiation from infection and often necessitates complex revision surgery. We present the case of a 76-year-old female with a surgical history of total right hip arthroplasty performed one year prior.
View Article and Find Full Text PDFThe cemented stem in hip arthroplasty - state of the art technique and recommendations.
EFORT Open Rev
November 2024
Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.
The indication for femoral stem cementation should be made on a patient-specific basis, taking physical activity, femoral geometry, and bone tissue quality into account. Age alone should not be the sole justification for cementation. The Dorr classification can serve as decision support for whether a cemented fixation should be used.
View Article and Find Full Text PDFUse of a Low Profile Ultra-High Molecular Weight Polyethylene Diaphyseal Humeral Cement Restrictor in Shoulder Arthroplasty.
J Shoulder Elb Arthroplast
October 2024
Duke Sports Sciences Institute, Division of Orthopaedics, Duke University, Durham, NC, USA.
Article Synopsis
- - The study focused on evaluating the effectiveness of a specialized humeral diaphyseal cement restrictor during cemented total shoulder arthroplasty to improve cement pressurization and prevent improper extension.
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Comparative analysis of the quality of the cement mantle in hip hemiarthroplasty after femoral neck fracture between three different surgical approaches: a single-center retrospective observational study.
Eur J Orthop Surg Traumatol
December 2024
Orthopaedic Surgery and Traumatology Department, Hospital Universitari Vall d'Hebron, Passeig Vall d'Hebron, 119-129, 08035, Barcelona, Spain.
Purpose: Achieving the initial stability of implants is necessary for hip hemiarthroplasty (HHA), especially in elderly patients, and this can be achieved with a cement mantle of quality. The direct anterior approach (DAA) for HHA lately has shown positive results. However, evidence is lacking of HHA in elderly patients with osteoporosis after femoral neck fracture (FNF).
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