Impact of patellar treatment methods on clinical outcomes in artificial knee replacement surgery

LIU Dong; SHAO Long

doi:10.16766/j.cnki.issn.1674-4152.003918

Volume 23 Issue 3

Mar. 2025

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Article Navigation > Chinese Journal of General Practice > 2025 > 23(3): 421-424

LIU Dong, SHAO Long. Impact of patellar treatment methods on clinical outcomes in artificial knee replacement surgery[J]. Chinese Journal of General Practice, 2025, 23(3): 421-424. doi: 10.16766/j.cnki.issn.1674-4152.003918

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LIU Dong, SHAO Long. Impact of patellar treatment methods on clinical outcomes in artificial knee replacement surgery[J]. Chinese Journal of General Practice, 2025, 23(3): 421-424. doi: 10.16766/j.cnki.issn.1674-4152.003918

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Impact of patellar treatment methods on clinical outcomes in artificial knee replacement surgery

doi: 10.16766/j.cnki.issn.1674-4152.003918

LIU Dong^{1
,
,}
, SHAO Long²

1.
Department of Orthopedics, Anji County Second People ' s Hospital, Huzhou, Zhejiang 313307, China

Funds:

2022RC068

Received Date: 2024-10-28
Available Online: 2025-05-14

Abstract

Abstract

Objective This study aimed to evaluate the effects of simultaneous patellar replacement versus patelloplasty during total knee arthroplasty (TKA) on postoperative patellar mechanical characteristics, knee joint function, and complications in patients. Methods A total of 80 patients with knee osteoarthritis and admitted to Anji County Second People ' s Hospital from September 2021 to September 2023 were included. They were randomly divided into a patelloplasty group (40 cases) and a replacement group (40 cases) using a computer random number table method. The patelloplasty group underwent patellar reshaping surgery simultaneously during the TKA process, while the replacement group underwent patellar replacement surgery simultaneously during the TKA process. The biomechanical characteristics of the patient ' s patella after surgery were simulated and analyzed, and the changes in knee joint and patellar function before and after surgery were evaluated. Complications were monitored for one year after surgery. Results The maximum structural stress of the patella in the extended, 45° flexed and 90° flexed states after replacement surgery were significantly lower than those in the patelloplasty group (P < 0.001). The knee society score (KSS) score, hospital for special surgery (HSS) score, and Lysholm score of the replacement group were significantly higher than those of the patelloplasty group at 1 year after surgery [(84.63±6.68) points, (87.92±7.18) points, and (92.46±6.91) points, respectively, P < 0.001]. The Kujala score and Feller score of the replacement group [(86.47±6.54) points and (27.95±2.36) points, respectively] were significantly higher than those of the patelloplasty group [(80.35±6.21) points and (25.42±2.14) points, respectively] at one year after surgery (P < 0.001). The complication rates showed no statistically significant difference in both groups of patients (P>0.05). Conclusion While both patelloplasty and patellar replacement in TKA can effectively prevent complications, patellar replacement is more helpful in reducing postoperative patellar stress and improving knee joint and patellar function.
- Knee osteoarthritis,
- Knee joint replacement surgery,
- Patellar formation,
- Patellar replacement,
- Stress,
- Knee joint function,
- Prognosis

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References(22)

References

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Impact of patellar treatment methods on clinical outcomes in artificial knee replacement surgery

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