A high degree of knee flexion after TKA promotes the ability to perform high-flexion activities and patient satisfaction in Asian population
- Authors
- Han, Hyuk-Soo; Kim, Jong Seop; Lee, Bora; Won, Sungho; Lee, Myung Chul
- Issue Date
- 21-Jun-2021
- Publisher
- BMC
- Keywords
- Knee flexion; High-flexion activity; Patient satisfaction; Quality of life; Total knee arthroplasty
- Citation
- BMC MUSCULOSKELETAL DISORDERS, v.22, no.1
- Journal Title
- BMC MUSCULOSKELETAL DISORDERS
- Volume
- 22
- Number
- 1
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/62358
- DOI
- 10.1186/s12891-021-04369-4
- ISSN
- 1471-2474
1471-2474
- Abstract
- Background This study investigated whether achieving a higher degree of knee flexion after TKA promoted the ability to perform high-flexion activities, as well as patient satisfaction and quality of life. Methods Clinical data on 912 consecutive primary TKA cases involving a single high-flexion posterior stabilized fixed-bearing prosthesis were retrospectively analyzed. Demographic and clinical data were collected, including knee flexion angle, the ability to perform high-flexion activities, and patient satisfaction and quality of life. Results Of the cases, 619 (68%) achieved > 130 degrees of knee flexion after TKA (high flexion group). Knee flexion angle and clinical scores showed significant annual changes, with the maximum improvement seen at 5 years and slight deterioration observed at 10 years postoperatively. In the high flexion group, more than 50% of the patients could not kneel or squat, and 35% could not stand up from on the floor. Multivariate analysis revealed that > 130 degrees of knee flexion, the ability to perform high-flexion activities (sitting cross-legged and standing up from the floor), male gender, and bilateral TKA were significantly associated with patient satisfaction after TKA, while the ability to perform high-flexion activities (sitting cross-legged and standing up from the floor), male gender, and bilateral TKA were significantly associated with patient quality of life after TKA. Conclusions High knee flexion angle (> 130 degrees) after TKA increased the ease of high-flexion activities and patient satisfaction. The ease of high-flexion activities also increased quality of life after TKA in our Asian patients, who frequently engage in these activities in daily life.
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Collections - College of Business & Economics > Department of Applied Statistics > 1. Journal Articles
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