Clinical and Radiological Outcome of the Newest Generation of Ceramic-on-Ceramic Hip Arthroplasty in Young Patients

Reuven, Avishai; Manoudis, Gregory; Aoude, Ahmed; Huk, Olga L.; Zukor, David J.; Antoniou, John

doi:10.1155/2014/863748

Cited by 7 publications

(4 citation statements)

References 37 publications

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“…This improvement was statistically significant (p< 0.005). Our results are comparable to a study done by Reuven et al [10] in which pre and post-op Harris Hip scores were 45 and 88 respectively with 80% patients having good or excellent results. Another study was done by Millar et al [13] in which pre and post operative Harris hip scores were 29.4 and 85.7 respectively at minimum of 24 months of follow up.…”

Section: Discussionsupporting

confidence: 87%

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Functional and radiological outcome in primary ceramic-on-ceramic total hip arthroplasty

Singh¹,

Pawar²

2020

Int. J. Orthop. Sci.

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Background: Traditionally, total hip arthroplasty (THA) was done using cobalt-chrome into a polyethylene socket. However, because of wearing properties of these implants, implant loosening and loss of bone stock, particularly in younger and more active patients, was seen with greater frequency. This led to the development of ceramic implants having better wear characteristics. Material and Methods: Present study was carried out as prospective study, on 30 patients undergoing primary ceramic on ceramic THA with minimum of 6 months of follow up. For clinical evaluation, Harris Hip score and Modified Merle d'Aubigné and Postel score were calculated pre-operatively and post-operatively. For radiological evaluation, post-operative radiographs were checked for alignment of femoral stem, loosening of stem or acetabular component, osteolysis and presence of heterotopic ossification, at predefined regular intervals. Results: The mean Harris hip score, in our study, increased from 35 pre-operatively to 88.4 postoperatively, and mean Modified Merle d'Aubigné and Postel score increased from 9.3 pre-operatively to 16.2 post-operatively, with 90% hips having good to excellent results. This improvement was statistically significant (p< 0.005). On evaluation of alignment of femoral stems, 28 stems were central (93.3%) and 2 stems were in valgus (6.67%), having no significant clinical outcome. Not a single case of focal osteolysis, stem loosening or heterotopic ossification was seen. Conclusion:We found excellent results of primary ceramic on ceramic THA comparable to available literature, with no serious complication found in any patient. The limitations of our study include the lack of a control group undergoing THA with alternate bearing surfaces, and longer follow up.

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Section: Discussionsupporting

confidence: 87%

“…In our study out of 30 hips, 5 were that of females with male: female ratio of 5:1. A study conducted by Reuven et al [10] included 10 males and 40 females. No significant statistical differences were seen comparing pre and post-operative Harris hip scores.…”

Section: Discussionmentioning

confidence: 99%

Functional and radiological outcome in primary ceramic-on-ceramic total hip arthroplasty

Singh¹,

Pawar²

2020

Int. J. Orthop. Sci.

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“…Ceramic-on-ceramic (CoC) articulations exhibit by far the lowest wear rates and are considered a viable option for young, active patients. Excellent mid-term clinical outcomes are reported for modern CoC hip replacements using zirconiatoughened alumina (Biolox delta), and component fractures are extremely rare [35,36]. One well-recognized and annoying complication of ceramic-on-ceramic THA is squeaking-a high pitched, audible sound that occurs during movement, often related to a specific activity [37,38].…”

Section: Ceramic-on-ceramic Bearingsmentioning

confidence: 99%

Biomechanical and Tribological Aspects of Orthopaedic Implants

Готман

2020

Springer Tracts in Mechanical Engineering

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Orthopaedic and dental implant treatments have allowed to enhance the quality of life of millions of patients. Total hip/knee arthroplasty is a surgical replacement of the hip/knee joint with an artificial prosthesis. The aim of joint replacement surgery is to relieve pain improve function, often for sufferers of osteoarthritis, which affects around a third of people aged over fifty. Nowadays, total hip and knee replacement (THR) surgeries are considered routine procedures with generally excellent outcomes. Given the increasing life expectancy of the world population, however, many patients will require revision or removal of the artificial joint during their lifetime. The most common cause of failure of hip and knee replacements is mechanical instability secondary to wear of the articulating components. Thus, tribological and biomechanical aspects of joint arthroplasty are of specific interest in addressing the needs of younger, more active patients. The most significant improvements in the longevity of artificial joints have been achieved through the introduction of more wear resistant bearing surfaces. These innovations, however, brought about new tribocorrosion phenomena, such as fretting corrosion at the modular junctions of hip implants. Stiffness mismatch between the prosthesis components, non-physiological stress transfer and uneven implant-bone stress distribution are all involved in premature failure of hip arthroplasty. The development of more durable hip and knee prostheses requires a comprehensive understanding of biomechanics and tribocorrosion of implant materials. Some of these insights can also be applied to the design and development of dental implants.

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“…This is an expanded and longer follow-up of a previously reported preliminary evaluation of a small subset of this cohort [14].…”

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confidence: 93%

Midterm Outcomes of the Recently FDA Approved Ceramic on Ceramic Bearing in Total Hip Arthroplasty Patients Under 65Years of Age

Aoude¹,

Antoniou²,

Epure³

et al. 2015

The Journal of Arthroplasty

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Clinical and Radiological Outcome of the Newest Generation of Ceramic-on-Ceramic Hip Arthroplasty in Young Patients

Cited by 7 publications

References 37 publications

Functional and radiological outcome in primary ceramic-on-ceramic total hip arthroplasty

Functional and radiological outcome in primary ceramic-on-ceramic total hip arthroplasty

Biomechanical and Tribological Aspects of Orthopaedic Implants

Midterm Outcomes of the Recently FDA Approved Ceramic on Ceramic Bearing in Total Hip Arthroplasty Patients Under 65Years of Age

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