Safe and reliable clinical outcomes at 2 years of a fixed-bearing partial knee arthroplasty with a morphometric tibial tray in a large worldwide population

Purpose The purpose of this study was to evaluate: (1) improvement of functional and quality of life scores, (2) adverse events, (3) short-term implants survivorship of a newly designed fixed-bearing partial knee replacement (PKR) with a morphometric tibial tray in a large and multicentric populatio...

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Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2023-03, Vol.31 (3), p.814-821
Main Authors: Parratte, Sébastien, Sah, Alexander, Batailler, Cécile
Format: Article
Language:English
Subjects:
Adverse events
Arthroplasty (knee)
Body mass
Body mass index
Body size
Clinical outcomes
Human health and pathology
Infections
Joint replacement surgery
Joints (anatomy)
Knee
Life Sciences
Medicine
Medicine & Public Health
Nickel
Orthopedics
Osteoarthritis
Pain
Patient satisfaction
Quality of life
Rhumatology and musculoskeletal system
Santé publique et épidémiologie
Sports Medicine
Surgery
Survival
Transplants & implants
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Summary:Purpose The purpose of this study was to evaluate: (1) improvement of functional and quality of life scores, (2) adverse events, (3) short-term implants survivorship of a newly designed fixed-bearing partial knee replacement (PKR) with a morphometric tibial tray in a large and multicentric population at a minimum follow-up of 2 years. Methods From 2017 to 2019, 479 medial PKR were implanted by 16 non-developing surgeons from United States, Europe, and Japan. Eight patients were lost to follow-up (1.8%). Standardized follow-up procedures included patient-reported outcomes (Oxford Knee Society score, Forgotten Joint Score, EQ VAS, EQ 5D), patient satisfaction, radiographic assessments, adverse event at 2 years. Comparisons between the preoperative and postoperative values were performed using Student t test. Kaplan–Meier survivorship analysis was performed with knee revision as the endpoint. Results The mean age was 65.6 ± 9.6 years. Mean body mass index was 29.5 ± 5.1 kg/m 2 . Oxford Knee Society score and Forgotten Joint Score, respectively, improved from 23.7 ± 8 and 16 ± 15.8 preoperatively to 42.4 ± 6.5 and 74 ± 24.9 at 2 years ( p  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-021-06748-9