ArticleJournal of experimental orthopaedics2025
Anatomically-designed bicruciate-retaining total knee arthroplasty demonstrates good two-year survivorship and improvements in patient-reported outcomes: A prospective multicenter single-arm study.
Article in Journal of experimental orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Anatomically-designed bicruciate-retaining total knee arthroplasty demonstrates good two-year survivorship and improvements in patient-reported outcomes: A prospective multicenter single-arm study.Journal of experimental orthopaedics · 2025Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: To evaluate the early safety and performance of a novel anatomical-design bicruciate-retaining total knee arthroplasty (BCR-TKA) implant (JOURNEY™ II XR; JIIXR) in a prospective multicenter single-arm cohort, with 2-year implant survivorship as the prespecified primary endpoint, and patient-reported outcomes and radiographic findings as secondary exploratory endpoints. Methods: Ninety-four patients (106 knees) underwent cemented BCR-TKA with JIIXR at eight centers. The primary endpoint was 2-year survivorship tested for noninferiority versus a 98% benchmark using exact binomial (one-sided 97.5% CI) and Kaplan-Meier methods. Secondary endpoints included the EuroQol 5-Dimension 5-Level (EQ-5D-5L) questionnaire, its visual analogue scale (EQ-VAS), Forgotten Joint Score-12 (FJS-12, collected postoperatively only), Knee Injury and Osteoarthritis Outcome Score (KOOS), range of motion, and radiolucent lines assessed in standardized zones. Results: At 2 years, survivorship was 97.9% (94/96), confirming non-inferiority ( Conclusions: In this prospective single-arm multicenter study, an anatomical-design BCR-TKA implant achieved good 2-year survivorship and clinically meaningful improvements in patient-reported outcomes, with stable radiographic findings. These data support early safety and performance while underscoring the need for long-term comparative studies to establish durability and relative effectiveness. Level of Evidence: Level II, therapeutic study.
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