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Background: Squeaking is an on-going complication with a variable incidence of 0.5%-20.7%. The mechanism of squeaking has not been understood completely and is most likely multifactorial in nature. Previously, we have reported on a squeaking rate of 7.3% at 2 years. Our current results show a substantial increase in the squeaking incidence from 7.3% to 17.4% with the DeltaMotion articulation at the 5-year follow-up.
Methods: Two hundred six total hip arthroplasties with a large ceramic-on-ceramic bearing were performed on 195 patients by 2 senior authors. The minimum duration of follow-up was 5 years (range 5-6.2).
Results: The mean Harris Hip Score remained stable at 91.7 at 5 years compared to 92 after 2 years. However, we observed an increase in the squeaking rate from 7.3% after 2 years to 17.4% after 5 years. As in previous studies, we did not find significant differences between the silent and squeaking group in relation to age, height, weight, and femoral head diameter. In contrast, others reported no significant differences regarding range of motion and gender between the silent and the squeaking hip group at 2 years of follow-up, whereas at 5 years, the squeaking group showed a significantly higher combined range of motion and a higher relative risk of squeaking in women compared to the silent group.
Conclusion: While large diameter ceramic bearings may produce squeaking, especially in female patients, our mid-term clinical results of a large ceramic-on-ceramic bearing in total hip arthroplasty are encouraging. Nevertheless, long-term follow-up is recommended.
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http://dx.doi.org/10.1016/j.arth.2017.11.044 | DOI Listing |
J Arthroplasty
September 2025
Department of Orthopaedic Surgery, Washington University School of Medicine, Washington University in St Louis, St. Louis, Missouri, 63110, USA. Electronic address:
Introduction: Total hip arthroplasty (THA) with third-generation alumina ceramic heads on highly cross-linked polyethylene liners (HXLPE) has demonstrated excellent outcomes in young patients. However, concerns of ceramic head fracture, squeaking, stripe wear, and limited sizing led to the development of a fourth-generation ceramic head. The purpose of our study was to report on survivorship, wear characteristics, and patient-reported outcomes of THA with a fourth-generation 32-mm ceramic femoral head and HXLPE liner in patients 50 years or younger at 10-year minimum follow-up.
View Article and Find Full Text PDFJ Clin Med
June 2025
Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.
: Additive manufacturing (AM) enables the production of cementless acetabular cups with porous surfaces that facilitate early osseointegration. Directed energy deposition (DED), a form of AM, allows the direct welding of porous structures onto metal substrates without requiring a vacuum environment, offering advantages over conventional powder bed fusion methods. Despite growing interest in DED, no prospective clinical studies evaluating DED-based acetabular components have been published to date.
View Article and Find Full Text PDFJ Arthroplasty
August 2025
Center for Computer Assisted and Reconstructive Surgery, New England Baptist Hospital, Boston, Massachusetts.
Background: The demand for total hip arthroplasty (THA) in younger patients, particularly those under 65 years, has increased markedly in recent years. Ceramic-on-ceramic (CoC) bearings offer promising benefits, including reduced wear and osteolysis, with excellent short- to mid-term survival. However, long-term data on their performance in younger populations remain limited.
View Article and Find Full Text PDFEur J Orthop Surg Traumatol
February 2025
Worthing Hospital, Worthing, UK.
Introduction: Ceramic-on-ceramic (CoC) bearings offer superior wear characteristics and a low coefficient of friction, yet their use is limited due to reported risks of ceramic fractures in the literature. We assessed our series of patients undergoing total hip arthroplasty (THA) with 36 mm CoC bearings.
Methods: A Retrospective cohort study of 385 patients (442 hips) who underwent primary THA between 2008 and 2018 was conducted.
Clin Orthop Surg
February 2025
Department of Orthopedics and Traumatology, Faculty of Medicine, Acibadem University and Department of Orthopedics, Acibadem Maslak Hospital, Istanbul, Türkiye.
Backgroud: This retrospective midterm study aimed to analyze seating properties, fracture types, noisy hips, and survivorship of a delta ceramic liner with a titanium taper locking band.
Methods: A total of 451 patients (538 hips) underwent cementless total hip arthroplasty using the same design delta ceramic liner. Patients' clinical functions were evaluated using Harris Hip score, and the radiological migration or loosening of cementless cups was recorded.