WebMay 29, 2024 · A proximally porous coated tapered wedge stem was used during primary surgery. Continuous radiolucencies were seen in Gruen zones 1, 2, 6, and 7 on anteroposterior radiographs ( Fig. 62.1, A ) and zones 8 … WebSep 30, 2015 · Implant fracture is an uncommon reason for the failure of total hip arthroplasty (THA). Most stem fractures occur in cemented prostheses due to loosening of the proximal cement, which leads to cantilever bending forces on the stem 1,2,3,4,5,6).By contrast, there are only 16 reported cases of the fracture of a fully coated cementless …
Proximally versus fully porous-coated femoral stems: a ... - PubMed
WebApr 25, 2007 · It has been shown that distal fixation of the extensively porous-coated femoral stem is the most reliable means of obtaining stable femoral fixation in revision scenario [1, 15, 26, 27, 30, 32, 39]. However, several concerns have been raised about the use of extensively porous-coated cobalt chrome stems . WebMay 27, 2024 · The reported rates of severe stress shielding after revision THA using extensively porous-coated stems ranged from 6 to 22% [1,2,3,4,5,6]. The cementless long extensively porous-coated stem with high stiffness distributes some of the loads to the distal femur, and lack of stress in the proximal metaphyseal region leads to bone loss. hillary wooten tallahassee fl
Salvage of Painful Porous Coated Stem Ulnar Head …
WebFeatures a reduced distal geometry in which a gradual reduction of the stem substrate occurs distal to the porous coating level. Taperloc Complete Microplasty ® Femoral Stem. Features a reduced stem length from the standard length stem to better address minimally invasive technqiues, ... WebJul 1, 2024 · Patients who were included had a previous porous coated stem ulnar head implant, were revised with a semiconstrained prosthesis at the Mayo Clinic between 2008 … WebApr 10, 2024 · This stem is a short, highly porous, single tapered-wedge, proximally coated titanium femoral stem that is identical in geometry, but much shorter in length compared … smart centre operations