Patients in high- and low-revision hospitals have similar outcomes after primary knee arthroplasty: 1-year postoperative results from the Danish prospective multicenter cohort study, SPARK

Purpose It is well-known that revision rates after primary knee arthroplasty vary widely. However, it is uncertain whether hospital revision rates are reliable indicators of general surgical quality as defined by patients. The SPARK study compared primary knee arthroplasty surgery at three high-volu...

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Bibliographic Details
Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2023-08, Vol.31 (8), p.3487-3499
Main Authors: Mørup-Petersen, Anne, Krogsgaard, Michael Rindom, Laursen, Mogens, Madsen, Frank, Winther-Jensen, Matilde, Odgaard, Anders
Format: Article
Language:English
Subjects:
Arthritis
Arthroplasty (knee)
Arthroplasty, Replacement, Knee - methods
Body mass
Body mass index
Body size
Cohort analysis
Denmark
Hospitals
Hospitals, University
Humans
Joint replacement surgery
Knee
Medicine
Medicine & Public Health
Observational studies
Orthopedics
Osteoarthritis
Osteoarthritis, Knee - surgery
Patients
Postoperative period
Prospective Studies
Revisions
Sports Medicine
Surgery
Surgical outcomes
Treatment Outcome
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Summary:Purpose It is well-known that revision rates after primary knee arthroplasty vary widely. However, it is uncertain whether hospital revision rates are reliable indicators of general surgical quality as defined by patients. The SPARK study compared primary knee arthroplasty surgery at three high-volume hospitals whose revision rates differed for unknown reasons. Methods This prospective observational study included primary knee arthroplasty patients (total, medial/lateral unicompartmental and patellofemoral) in two low-revision hospitals (Aarhus University Hospital and Aalborg University Hospital Farsø) and one high-revision hospital (Copenhagen University Hospital Herlev-Gentofte). Patients were followed from preoperatively (2016–17) to 1-year postoperatively with patient-reported outcome measures including Oxford Knee Score (OKS), EQ-5D-5L and Copenhagen Knee ROM (range of motion) Scale. The surgical outcomes were compared across hospitals for patients with comparable grades of radiographic knee osteoarthritis and preoperative OKS. Statistical comparisons (parametric and non-parametric) included all three hospitals. Results 97% of the 1452 patients who provided baseline data (89% of those included and 56% of those operated) responded postoperatively (90% at 1 year) . Hospitals’ utilization of unicompartmental knee arthroplasties differed (Aarhus 49%, Aalborg 14%, and Copenhagen 22%, p  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-023-07390-3