Article
Orthopedics
Colin P. McCarty, Sang-Hyun Park, Nathan C. Ho, Sophia N. Sangiorgio, Edward Ebramzadeh
Summary: Despite concerns about trunnionosis, this study found that high friction in metal-on-metal implants does not contribute to higher material loss at the head taper, without statistical correlation between taper wear and frictional moments.
JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME
(2022)
Article
Orthopedics
Anna Jungwirth-Weinberger, Carola Hanreich, Maximilian F. Kasparek, Lisa Renner, Wenzel Waldstein, Friedrich Boettner
Summary: The off-label use of dual mobility liner in this study resulted in normalization of metal ion levels, suggesting little impact on ion levels by preserving the cobalt-chromium acetabular component. Additionally, dual mobility liners have a low complication and revision rate.
ARCHIVES OF ORTHOPAEDIC AND TRAUMA SURGERY
(2021)
Article
Rheumatology
Priyanka Ballal, Christine Peloquin, Cindy Germaine Boer, Tuhina Neogi
Summary: This study suggests that warfarin use is associated with a higher risk of knee and hip replacements compared to DOAC use. Furthermore, longer duration of warfarin use is linked to an increased risk of joint replacement.
ANNALS OF THE RHEUMATIC DISEASES
(2021)
Article
Engineering, Mechanical
Feng Liu, Ying He, Zirui Gao, Duoduo Jiao
Summary: This study discusses the wear issues in hip joint replacements using highly cross-linked UHMWPE as a bearing material, highlighting the importance of frictional work and contact pressure in wear processes. Both factors should be appropriately incorporated to enhance the accuracy of computational models.
Article
Engineering, Biomedical
Eileen S. Cadel, L. D. Timmie Topoleski, Oleg Vesnovsky, Charles R. Anderson, Robert H. Hopper, Charles A. Engh, Matthew A. Di Prima
Summary: Corrosion and wear are commonly found at the taper-trunnion connection of modular total hip arthroplasty explanted devices. M/M modular connections exhibit more damage than C/M connections, but both are susceptible to damage. Analysis techniques show that stem trunnions have more damage than head tapers, and C/M connections have less corrosion and wear compared to M/M connections.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
(2022)
Article
Multidisciplinary Sciences
Philipp Damm, Alwina Bender, Vivian Waldheim, Tobias Winkler, Georg N. Duda
Summary: This study investigates the factors affecting joint friction and temperature increase in patients with THA through a combination of in vivo and in silico technologies. The results highlight the significance of implant orientation, joint kinematics, and friction-induced temperature increase, emphasizing the importance of cup placement during surgery.
SCIENTIFIC REPORTS
(2021)
Article
Orthopedics
J. Quayle, A. Barakat, A. Klasan, A. Mittal, G. Chan, J. Gibbs, M. Edmondson, P. Stott
Summary: This study retrospectively reports the use of custom-made articulating spacers (CUMARS) utilizing long cemented femoral stems as spacers in managing peri-prosthetic infection (PJI) in severe proximal femoral bone loss scenarios. The technique provides better bone support, longer survival, mobility, maintenance of leg length, and preservation of bone and soft tissue, showing positive clinical outcomes.
BMC MUSCULOSKELETAL DISORDERS
(2021)
Article
Engineering, Biomedical
Oscar O'Dwyer Lancaster-Jones, Rebecca Reddiough
Summary: This study aimed to determine the sound frequencies generated by ceramic on ceramic total hip replacement under different lubrication conditions. Tests were conducted with dry, water, and serum lubrication conditions using ISO-14242-1 and ISO-14242-4 standards. Results showed no sound transmission under water and serum conditions, but an audible noise with a frequency range of 0.4-0.8 kHz was detected under water and edge loading conditions. Dry conditions produced a high-pitch squeak with frequencies higher than 2 kHz. Edge loading and serum conditions resulted in a faint squeak noise with a frequency of 7 kHz after 6000 cycles.
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
(2023)
Article
Endocrinology & Metabolism
Helena Kames Kjeldgaard, Haakon E. Meyer, Martin O'Flaherty, Ellen M. Apalset, Cecilie Dahl, Nina Emaus, Anne Marie Fenstad, Ove Furnes, Jan-Erik Gjertsen, Mari Hoff, Berit Schei, Anne Johanne Sogaard, Grethe S. Tell, Kristin Holvik
Summary: The study found that hip fracture rates in Norway are declining, while rates of total hip replacements have been increasing. The increasing prevalence of hip prostheses significantly contributed to the observed declining trends.
JOURNAL OF BONE AND MINERAL RESEARCH
(2022)
Article
Engineering, Biomedical
Ulrike Mueller, Therese Bormann, Stefan Schroeder, J. Philippe Kretzer
Summary: The study found that impaction force is the most important factor in determining the strength of the taper connection, followed by the type of use and head material. While the contact situation has a slight impact on the torque-off moment, the surface topography of the stem taper plays a minor role in the strength of the taper connection.
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
(2021)
Review
Orthopedics
Aresh Sepehri, Arashdeep Sidhu, Bassam A. Masri
Summary: Total hip arthroplasty (THA) is increasingly being used for managing osteoarthritis of the hip in patients with fragile or pathologic bone, thanks to advances in surgical technique and implant design. Surgeons should be prepared to evaluate and manage intraoperative iatrogenic fracture in patients with posttraumatic or congenital deformities associated with fragile or pathologic bone. Although evidence is limited, components made with computer-assisted design can be considered for this unique and highly variable patient population.
JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME
(2021)
Article
Engineering, Biomedical
Shawn Ming Song Toh, Ariyan Ashkanfar, Russell English, Glynn Rothwell
Summary: In this study, a fretting wear algorithm was developed to investigate wear damage on bearing surfaces of THRs, predicting linear and volumetric wear rates effectively. Results showed comparable wear rates to in-vivo THRs and matched wear patterns from conventional polyethylene liners, offering potential for reducing wear rates in THR design and clinical techniques.
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
(2021)
Article
Energy & Fuels
Hans-E Lange, Rainer Bader, Daniel Kluess
Summary: The study introduced a new piezoelectric concept for energy harvesting in total hip replacements and numerically demonstrated the mechanical implant safety and the feasibility of power generation. By investigating different geometry variants, an increased power output for in vivo applications was achieved.
Article
Medicine, General & Internal
Fabio Mancino, Michael A. Finsterwald, Christopher W. Jones, Gareth H. Prosser, Piers J. Yates
Summary: This study aims to provide an updated analysis of the long-term outcomes and metal ion levels of patients with metal-on-metal hip resurfacing (HR) and large-diameter-head (LDH) total hip arthroplasty (THA). The results showed no significant differences in clinical outcomes between the two groups, but the HR group had significantly lower metal ion levels compared with the modular THA group. Both implants demonstrated excellent survivorship, with the Adept HR showing remarkable reliability in young active males. The modular LDH THA, despite being discontinued, exhibited higher reliability and lower failure rate compared to similar withdrawn MoM implants.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Orthopedics
Alison B. Suraci, Ramandeep S. Bhullar, Johanna S. Dobransky, Paul E. Beaule
Summary: This study demonstrated that metal-on-metal hip resurfacing through the Hueter anterior approach (HAA) has a high implant survivorship and stable patient-reported outcome measures. Although some patients required revision to total hips, radiographic parameters were good, significantly improving the quality of life for patients.
JOURNAL OF ARTHROPLASTY
(2021)