Clinical and radiographic outcomes after a fixed‑polyethylene posteriorly stabilized cemented total knee replacement with at least one‑year follow‑up
Study of the Clinical and Radiographic Results of a Fixed Polyethylene Posteriorly Stabilized Cemented Total Knee Prosthesis With a Minimum Follow-up of 1 Year.
This project tests how well a specific fixed‑polyethylene posteriorly stabilized cemented total knee replacement performs in adults who had the operation, using clinical and x‑ray data at least one year after surgery.
Quick facts
| Study type | Observational |
|---|---|
| Enrollment | 960 (estimated) |
| Ages | 18 Years and up |
| Sex | All |
| Sponsor | University Hospital, Strasbourg, France Academic / other |
| Locations | 1 site (Strasbourg) |
| Trial ID | NCT07313449 on ClinicalTrials.gov |
What this trial studies
This is a retrospective observational analysis of adult patients who underwent an anatomic, amplitude, posteriorly stabilized, fixed polyethylene, cemented total knee replacement by Professor F. Bonnomet at Strasbourg University Hospital between January 2013 and December 2024. Clinical records and radiographs from preoperative, immediate postoperative, and minimum one‑year follow‑up visits will be collected and analyzed for functional and radiographic outcomes. Results from this cohort will be described and compared with published literature on prosthesis alignment and outcomes to contextualize performance. The analysis focuses on implant alignment, radiographic integrity, and clinical outcomes over the short-to-medium term.
Who should consider this trial
Good fit: Ideal candidates are adults who received the specified anatomic posteriorly stabilized cemented total knee prosthesis from Prof. F. Bonnomet between 2013 and 2024 and have complete preoperative, immediate postoperative, and ≥1‑year radiographic records.
Not a fit: Patients who had revision surgery during the follow‑up period for causes outside the study scope or who lack the required radiographic records are unlikely to benefit from inclusion.
Why it matters
Potential benefit: If successful, this work could help surgeons and patients understand expected clinical and x‑ray outcomes after this specific knee implant and inform implant selection or surgical technique.
How similar studies have performed: Prior publications on knee prosthesis alignment and outcomes exist and provide comparative context, but direct reports on this exact implant and technique at this center are limited.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adult patient * Patient who underwent total knee replacement (TKR) between January 2013 and December 2024 * Patient who underwent an Anatomic, Amplitude, posteriorly stabilized, fixed polyethylene, cemented TKR * Patient operated on by Professor F. Bonnomet * Available radiological data: preoperative, immediate postoperative, and postoperative at a minimum of 1 year follow-up Exclusion Criteria: \- Revision of the arthroplasty during the study follow-up period for a cause not investigated in the study
Where this trial is running
Strasbourg
- Service de Chirurgie Orthopédique et de Traumatologie du Membre Inférieur - CHU de Strasbourg - France — Strasbourg, France (Recruiting)
Study contacts
- Study coordinator: François BONNOMET, MD, PhD
- Email: Francois.bonnomet@chru-strasbourg.fr
- Phone: 33 3 68 76 52 82
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.