Good Short-Term Survivorship of Constrained Condylar Revision Knee Implants With Medial Pivot Kinematics: A Level IV Retrospective Study.
Journal
The Journal of arthroplasty
ISSN: 1532-8406
Titre abrégé: J Arthroplasty
Pays: United States
ID NLM: 8703515
Informations de publication
Date de publication:
21 Feb 2024
21 Feb 2024
Historique:
received:
30
11
2023
revised:
10
02
2024
accepted:
13
02
2024
medline:
24
2
2024
pubmed:
24
2
2024
entrez:
23
2
2024
Statut:
aheadofprint
Résumé
The need for revision total knee arthroplasty (TKA) surgery is increasing worldwide, and, in many cases, a constrained implant is required to provide joint stability. The purpose of this study was to examine the early loosening and functional outcome of a novel constrained condylar (CCK) revision total knee system designed to have medial pivot kinematics. A retrospective cohort study was performed, collecting clinical data from all patients who underwent revision TKA using a novel medial pivot CCK system with a minimum four-year clinical follow-up. Patient demographics, survivorship, complications, and Forgotten Joint Score (FJS) were analyzed based upon chart review. There were 49 patients available for follow-up, who had a 100% survivorship free of aseptic loosening. All-cause revision survivorship was 92%. There were four patients who subsequently underwent re-revision. The causes for re-revision included periprosthetic joint infection in two patients, coronal plane instability in one patient, and a traumatic knee dislocation in one patient. There were 45 patients who completed the FJS, who had an average of 49.8 (± 32.8, range 6.25 to 100). At 4 years, mid-term follow-up, this novel constrained condylar (CCK) revision total knee system designed to have medial pivot kinematics had good patient-reported outcomes with no revision for aseptic loosening. Future studies should evaluate the mid- and long-term thse terms need to be defined in years, etc. survivorship of this innovative implant.
Sections du résumé
BACKGROUND
BACKGROUND
The need for revision total knee arthroplasty (TKA) surgery is increasing worldwide, and, in many cases, a constrained implant is required to provide joint stability. The purpose of this study was to examine the early loosening and functional outcome of a novel constrained condylar (CCK) revision total knee system designed to have medial pivot kinematics.
METHODS
METHODS
A retrospective cohort study was performed, collecting clinical data from all patients who underwent revision TKA using a novel medial pivot CCK system with a minimum four-year clinical follow-up. Patient demographics, survivorship, complications, and Forgotten Joint Score (FJS) were analyzed based upon chart review.
RESULTS
RESULTS
There were 49 patients available for follow-up, who had a 100% survivorship free of aseptic loosening. All-cause revision survivorship was 92%. There were four patients who subsequently underwent re-revision. The causes for re-revision included periprosthetic joint infection in two patients, coronal plane instability in one patient, and a traumatic knee dislocation in one patient. There were 45 patients who completed the FJS, who had an average of 49.8 (± 32.8, range 6.25 to 100).
CONCLUSION
CONCLUSIONS
At 4 years, mid-term follow-up, this novel constrained condylar (CCK) revision total knee system designed to have medial pivot kinematics had good patient-reported outcomes with no revision for aseptic loosening. Future studies should evaluate the mid- and long-term thse terms need to be defined in years, etc. survivorship of this innovative implant.
Identifiants
pubmed: 38395111
pii: S0883-5403(24)00140-2
doi: 10.1016/j.arth.2024.02.041
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2024 Elsevier Inc. All rights reserved.