DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES

C. Lodge; H. Matar; R. Berber; P. Radford; B. Bloch

doi:10.1302/1358-992X.2022.7.031

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DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES

The British Association for Surgery of the Knee (BASK) May 2022 Meeting, Newport, Wales, 17–18 May 2022.

C. Lodge
H. Matar
R. Berber
P. Radford
B. Bloch

DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES

Lodge C, Matar H, Berber R, Radford P, Bloch B. DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES. Orthop Procs. 2022;104-B(SUPP_7):31-31. doi:10.1302/1358-992X.2022.7.031

Lodge, C., et al. “DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES.” Orthopaedic Proceedings, vol. 104-B, no. SUPP_7, 2022, pp. 31-31., https://doi.org/10.1302/1358-992X.2022.7.031

Lodge, C., Matar, H., Berber, R., Radford, P., & Bloch, B. (2022). DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES. Orthopaedic Proceedings, 104-B(SUPP_7), 31-31. https://doi.org/10.1302/1358-992X.2022.7.031

Lodge, C., Matar, H., Berber, R., Radford, P. and Bloch, B. (2022) “DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES.” Orthopaedic Proceedings, 104-B(SUPP_7), pp. 31-31. Available at: https://doi.org/10.1302/1358-992X.2022.7.031

Lodge, C., H. Matar, R. Berber, P. Radford, and B. Bloch. “DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES.” Orthopaedic Proceedings 104-B, no. SUPP_7 (2022): 31-31. https://doi.org/10.1302/1358-992X.2022.7.031

Lodge C, Matar H, Berber R, Radford P, Bloch B. DO CERAMIC COATINGS CONFER SURVIVORSHIP ADVANTAGES IN TOTAL KNEE ARTHROPLASTY? A SINGLE-CENTRE SERIES OF 1,641 KNEES. Orthop Procs. 2022 Jul 1;104-B(SUPP_7):31-31. https://doi.org/10.1302/1358-992X.2022.7.031

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Abstract

Aims

Ceramic coatings in total knee arthroplasty have been introduced with the aim of reducing wear and consequently improving implant survivorship. We studied both cobalt-chrome-molybdenum and ceramic-coated components of the same implant design from a single centre to identify if the ceramic coating conferred any benefit at mid-term review.

Patients and Methods

We identified 1641 Columbus TKAs (Aesculap AG, Tüttlingen, Germany) from a prospectively collected arthroplasty database. 983 were traditional CoCrMo and 659 had the AS ceramic coating. Patients were followed up until death or revision of the implant.

Results

A slightly younger patient population was seen in the AS ceramic cohort which was statistically significant, mean 68.3 (p=<0.0001). There was no significant difference in implant survivorship between the CoCrMo femur and the ceramic coated femur at a mean of 9.2 years follow-up for the CoCrMo group and 5 years for the ceramic coated group (p=0.76). There was no reduction in the proportion of components revised for aseptic loosening or infection in the ceramic coated cohort.

Conclusion

The reported benefits of ceramic coatings are note clearly demonstrated within our current cohort. All knee replacements within our cohort were performed by a user of both CoCrMo and AS and therefore implant familiarity does not explain the revision rate within the AS cohort. At mid-term follow-up, there was no benefit in terms of implant survivorship in using a ceramic coating.