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논문 기본 정보

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학술저널
저자정보
Patrick Ng Jonathan (Prince of Wales Hospital Shatin Hong Kong SAR China) Man Lau Lawrence Chun (Prince of Wales Hospital Shatin Hong Kong SAR China) Wai-Wang Chau (Chinese University of Hong Kong Shatin Hong Kong SAR China) Tim-Yun Ong Michael (Chinese University of Hong Kong Shatin Hong Kong SAR China) Wing Cheung Kin (Prince of Wales Hospital Shatin Hong Kong SAR China) Hing Chiu Kwok (Prince of Wales Hospital Shatin Hong Kong SAR China) Yin Chung Kwong (Prince of Wales Hospital Shatin Hong Kong SAR China) Ki-Wai Ho Kevin (Chinese University of Hong Kong Shatin Hong Kong SAR China)
저널정보
대한슬관절학회 Knee Surgery and Related Research Knee Surgery and Related Research 제33권
발행연도
2021.12
수록면
30 - 30 (1page)
DOI
10.1186/s43019-021-00114-2

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Background: The literature comparing the long-term outcomes and survivorship of computer navigation-assisted and conventional total knee replacement (TKR) is sparse. Moreover, of the available comparative studies with followup duration of more than 10 years, the results seem to be conflicting. The purpose of this long-term study was to compare the clinical and radiological outcomes, and implant survivorship, of TKR performed with and without computer navigation. Methods: We retrospectively compared the results of 49 computer-navigated TKRs and 139 conventional TKRs. The mean age of the patients was 67.9 (range 52?81) years for the navigation group and 67.1 (range 50?80) years for the conventional TKR group. The mean duration of follow-up for the conventional and navigation TKR groups was 12.9 and 13.2 years, respectively. Clinical and radiographic follow-up examinations of the patients were performed at 2 weeks, 1 month, 3 months and 6 months post-operatively, and at 1-year intervals thereafter. Results: There were no significant differences in the post-operative Knee Society knee and function score between the two groups. The mean overall deviation from neutral alignment and the radiological outliers were significantly higher in the conventional TKR group. The overall survival rates at 17 years were 92.9% for the navigation group and 95.6% for the conventional TKR group (p = 0.62). Conclusions: Navigated TKR resulted in fewer radiological outliers; however, this did not translate to better long-term functional outcomes or implant survival.

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