Jones Kirstin, Muehlmann Amber M, Musgrave Mark, Penrose Colin T
Clinical Affairs, Exactech, Inc., Gainesville, FL 32653, United States.
Department of Orthopaedics, Crystal Clinic Orthopaedic Center, Fairlawn, OH 44333, United States.
World J Orthop. 2025 Jul 18;16(7):106281. doi: 10.5312/wjo.v16.i7.106281.
Truliant posterior stabilized (PS) and Truliant cruciate retaining (CR) are two designs used for total knee arthroplasty. Survivorship and reason for revision rates are now available from the American Joint Replacement Registry (AJRR) at short-term time points for both Truliant designs. It was hypothesized that Truliant PS and Truliant CR perform comparably to similar designs in terms of survivorship.
To analyze short-term survivorship of Truliant PS or CR total knee arthroplasty relative to non-Truliant PS or CR total knee arthroplasty.
Utilizing data from the AJRR, a retrospective review was performed for subjects who underwent implantation of Truliant PS, Truliant CR, non-Truliant PS, and non-Truliant CR designs as of June 30, 2022. Survivorship and reasons for revision were compared statistically between Truliant PS non-Truliant PS as well as Truliant CR non-Truliant CR groups. Cumulative percent revision rates were compared across three registries, AJRR, Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), and the United Kingdom National Joint Registry (UK NJR).
Truliant PS survivorship was 97.95% at the four-year mark, while Truliant CR survivorship was 99.61% at the three-year mark. There were no significant differences in survivorship hazard ratios or reasons for revision for both Truliant groups non-Truliant comparison aggregate groups at short-term time points. Cumulative percent revision rate comparisons were made to device appropriate groups from AJRR, AOANJRR, and UK NJR data. Truliant PS cumulative percent revision rates were similar to non-Truliant cumulative percent revision rates in the AJRR and similar to AOANJRR and UKNJR at both one and three years. Truliant CR cumulative percent revision rates were lower than aggregate AJRR, AOANJRR, and UK NJR cumulative percent revision rates at the one-year and three-year marks.
This study demonstrates high survivorship for Truliant PS total knee arthroplasty out to four-years and Truliant CR total knee arthroplasty out to three-years of follow-up.
Truliant后稳定型（PS）和Truliant交叉韧带保留型（CR）是用于全膝关节置换术的两种设计。美国关节置换登记处（AJRR）现已提供这两种Truliant设计在短期时间点的生存率和翻修率原因。据推测，Truliant PS和Truliant CR在生存率方面与类似设计表现相当。
分析Truliant PS或CR全膝关节置换术相对于非Truliant PS或CR全膝关节置换术的短期生存率。
利用AJRR的数据，对截至2022年6月30日接受Truliant PS、Truliant CR、非Truliant PS和非Truliant CR设计植入的受试者进行回顾性研究。对Truliant PS与非Truliant PS以及Truliant CR与非Truliant CR组之间的生存率和翻修原因进行统计学比较。在三个登记处，即AJRR、澳大利亚骨科协会国家关节置换登记处（AOANJRR）和英国国家关节登记处（UK NJR）之间比较累积翻修率百分比。
Truliant PS在四年时的生存率为97.95%，而Truliant CR在三年时的生存率为99.61%。在短期时间点，两个Truliant组与非Truliant比较汇总组在生存率风险比或翻修原因方面没有显著差异。根据AJRR、AOANJRR和UK NJR数据，将Truliant PS累积翻修率百分比与相应器械组进行比较。Truliant PS累积翻修率百分比在AJRR中与非Truliant累积翻修率百分比相似，在一年和三年时与AOANJRR和UK NJR相似。Truliant CR累积翻修率百分比在一年和三年时低于AJRR、AOANJRR和UK NJR累积翻修率百分比汇总值。
本研究表明，Truliant PS全膝关节置换术随访四年、Truliant CR全膝关节置换术随访三年具有较高的生存率。
