No difference in the anteroposterior stability between the GRADIUS and multi-radius designs in total knee arthroplasty
Copyright © 2020 Elsevier B.V. All rights reserved..
BACKGROUND: This retrospective study aimed to compare stability and clinical and radiological outcomes of total knee arthroplasty (TKA) for the GRADIUS and multi-radius femoral designs after minimum of two-year follow-up.
METHODS: A total of 142 patients who underwent TKA using ATTUNE posterior stabilized (PS) implants (68 patients, GRADIUS group) or Persona PS implants (74 patients, multi-radius group) for degenerative osteoarthritis were included. After an average of 2-year follow-up, the anteroposterior (AP) stability at 30°, 60°, and 90° was measured using KT 2000 device and compared between the two groups. The clinical outcome measurements included range of motion (ROM) of the knee, patient-reported outcomes and anterior knee pain (AKP). For the clinical evaluation of mid-flexion instability, pain was evaluated using the visual analog scale (VAS) score recorded during climbing up or going down stairs. The radiolucent lines on knee radiographs obtained at final follow-up were evaluated and compared between two groups.
RESULTS: The average AP stability at 30° knee flexion was 5.7 mm in the GRADIUS group and 5.9 mm in the multi-radius group; however, the difference was not significant. The AP stability at 60° and 90° knee flexion was also similar in both groups. There were no significant differences in the ROM, patient-reported outcomes at follow-up, incidence of AKP and VAS scores between the two groups. There were no differences in the incidence of radiolucency around the components between the two groups.
CONCLUSION: The GRADIUS design did not show any advantage with respect to the stability or clinical outcomes compared with the multi-radius design in TKA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
The Knee - 27(2020), 4 vom: 22. Aug., Seite 1197-1204 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jin, Quan He [VerfasserIn] |
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| Links: |
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| Themen: |
GRADIUS |
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| Anmerkungen: |
Date Completed 28.12.2020 Date Revised 28.12.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.knee.2020.05.019 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312878206 |
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| 245 | 1 | 0 | |a No difference in the anteroposterior stability between the GRADIUS and multi-radius designs in total knee arthroplasty |
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| 500 | |a Date Completed 28.12.2020 | ||
| 500 | |a Date Revised 28.12.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 Elsevier B.V. All rights reserved. | ||
| 520 | |a BACKGROUND: This retrospective study aimed to compare stability and clinical and radiological outcomes of total knee arthroplasty (TKA) for the GRADIUS and multi-radius femoral designs after minimum of two-year follow-up | ||
| 520 | |a METHODS: A total of 142 patients who underwent TKA using ATTUNE posterior stabilized (PS) implants (68 patients, GRADIUS group) or Persona PS implants (74 patients, multi-radius group) for degenerative osteoarthritis were included. After an average of 2-year follow-up, the anteroposterior (AP) stability at 30°, 60°, and 90° was measured using KT 2000 device and compared between the two groups. The clinical outcome measurements included range of motion (ROM) of the knee, patient-reported outcomes and anterior knee pain (AKP). For the clinical evaluation of mid-flexion instability, pain was evaluated using the visual analog scale (VAS) score recorded during climbing up or going down stairs. The radiolucent lines on knee radiographs obtained at final follow-up were evaluated and compared between two groups | ||
| 520 | |a RESULTS: The average AP stability at 30° knee flexion was 5.7 mm in the GRADIUS group and 5.9 mm in the multi-radius group; however, the difference was not significant. The AP stability at 60° and 90° knee flexion was also similar in both groups. There were no significant differences in the ROM, patient-reported outcomes at follow-up, incidence of AKP and VAS scores between the two groups. There were no differences in the incidence of radiolucency around the components between the two groups | ||
| 520 | |a CONCLUSION: The GRADIUS design did not show any advantage with respect to the stability or clinical outcomes compared with the multi-radius design in TKA | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a GRADIUS | |
| 650 | 4 | |a Multi-radius | |
| 650 | 4 | |a Stability | |
| 650 | 4 | |a Total knee arthroplasty | |
| 700 | 1 | |a Lee, Won-Gyun |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Eun-Kyoo |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Woo-Jong |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Seon, Jong-Keun |e verfasserin |4 aut | |
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