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- W3129766327 abstract "Abstract Background One of the causes of dissatisfaction following total knee arthroplasty (TKA) is abnormal knee kinematics. A newly designed bi-cruciate stabilized (BCS) TKA system has been developed to produce close-to-normal kinematics because of its anatomic tibiofemoral articular geometry and cam-post mechanism. Although BCS TKA is expected to improve patient satisfaction, no reports have described the appropriate technique or soft tissue handling required to achieve excellent satisfaction with BCS TKA. This study is to identify intraoperative surgical predictors of patient satisfaction after BCS TKA. Methods We studied 104 knees with primary varus knee osteoarthritis that underwent BCS TKA with a navigation system retrospectively. Surgical parameters including coronal, sagittal and axial alignment and joint laxity in each compartment that affected patient satisfaction was evaluated. Satisfaction score was evaluated with use of the 2011 Knee Society Scoring system. The multivariate regression analysis included age, gender, body mass index and intraoperative parameters that correlated with satisfaction scores in the univariate analysis ( P < 0.05). The current study focused on the patient satisfaction score at 1 year postoperatively and didn’t evaluate the long term clinical results nor survivorship. Results The postoperative satisfaction score was 28.6 ± 8.1. Multivariate analysis showed that medial joint laxity at 30° flexion ( P = 0.003), tibial excessive external rotation alignment ( P = 0,009) and tibial varus alignment ( P = 0.029) were predictors of poor satisfaction score. Conclusions When performing BCS TKA, surgeons should pay attention to maintaining proper stability of the medial compartment at mid flexion range and should avoid tibial varus and excessive external rotational alignment." @default.
- W3129766327 created "2021-03-01" @default.
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- W3129766327 date "2021-02-23" @default.
- W3129766327 modified "2023-10-17" @default.
- W3129766327 title "Influence of surgical factors on patient satisfaction after bi‐cruciate stabilized total knee arthroplasty: retrospective examination using multiple regression analysis" @default.
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- W3129766327 doi "https://doi.org/10.1186/s12891-021-04098-8" @default.
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