Ectopic ossifications after 158 cementless implanted Total hip endoprostheses Type Zweymüller-Endler have been examined postoperatively within 12 months at the earliest. The rate of ossification was 39.9%. This range is higher than the mean range of cemented hip endoprostheses reported in the literature. The higher range of ossification is found in low grade ossification grade CA I. Severe ossification of grade CA III occurred only in a low percentage. The influence of various factors (as prophylaxis for thrombosis approach, duration of operation, sex, age, other diseases, complications) on the frequency of occurrence is examined. There was no significant result concerning these parameters. The main causes for ectopic ossification seem therefore to be dispositional and constitutional factors. Male patients under the age of fifty show ectopic ossification in the highest degree.
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http://dx.doi.org/10.1055/s-2008-1044791 | DOI Listing |
Cephalomedullary nail is the gold standard treatment for intertrochanteric fracture in geriatric population. The aim of the study was to investigate the differences of the reamed versus the unreamed short proximal femoral nailing (PFN), in terms of the duration of surgery and the outcome. The impact of patients and fracture characteristics to the outcome was also evaluated.
View Article and Find Full Text PDFProspective study of femoral neck system (FNS) vs. cannulated compression screw (CCS) fixation has not been appropriately reported. We prospectively investigate the efficacy of FNS vs.
View Article and Find Full Text PDFLarge-diameter heads (LDHs) in total hip arthroplasty (THA) enhance range of motion but require thinner liners. Monoblock acetabular components with ceramic liners could reduce liner fracture risks during modular acetabular component assembly. This study aims to confirm the safety and clinical performance of the monoblock Maxera Cup in THA.
View Article and Find Full Text PDFArch Orthop Trauma Surg
January 2025
Division of Orthopaedics and Traumatology, Cantonal Hospital Winterthur, Winterthur, Switzerland.
Total hip arthroplasty (THA) is a very successful operation. Once the problem of implant fixation was solved with the use of bone cement, the next development steps focused on improving the bearing. Weber, a Swiss surgeon, introduced the first modular heads in THA.
View Article and Find Full Text PDFZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
January 2025
Department of Orthopaedics, Zhongda Hospital Southeast University, Nanjing Jiangsu, 210009, P. R. China.
Objective: To compare the short-term effectiveness between Gamma 3 intramedullary nails and Gamma 3 U-Blade system in the treatment of osteoporotic intertrochanteric fractures in the elderly.
Methods: A retrospective analysis was conducted on the clinical data of 124 elderly patients with osteoporotic intertrochanteric fractures, who were admitted between February 2020 and February 2023 and met the selection criteria. The fractures were fixed with Gamma 3 intramedullary nails in 65 patients (control group) and Gamma 3 U-Blade systems in 59 patients (UB group).
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