Objective To investigate and analyze the impact of the surgeon's handedness on prosthesis position and early post-operative knee function in medial fixed-bearing unicompartmental knee arthroplasty(FB-UKA).Methods A total of 61 pa-tients with medial compartment osteoarthritis treated with FB-UKA from August 2021 to August 2022 were enrolled.The same right-handed surgeon performed all surgeries.Patients were divided into the dominant hand group(31 cases)and non-dominant hand group(30 cases)based on the operative side.The operative time,hospital for special surgery(HSS)score,forgotten joint score(FJS),femoral coronal angle(FCA),tibial coronal angle(TCA),femoral sagittal angle(FSA),and tibial sagittal angle(TSA)were compared between the two groups.Results All 61 patients were followed up for at least 6 months,and no complications such as infection,prosthesis loosening,or periprosthetic fracture occurred during the follow-up period.There were no statistical-ly significant differences in operative time,6-month postoperative HSS and FJS between the two groups(P＞0.05).There was no statistically significant difference in FCA between the two groups(P＞0.05),but the FCA of dominant hand group was more fre-quently located in the optimal range and had a more concentrated distribution in the scatter plot.There was a statistically signifi-cant difference in FSA between the two groups(P＜0.05),with the FSA in the dominant hand group more frequently located in the optimal range and the FSA distribution of the non-dominant hand group located dispersed and variablein the scatter plot.There were no statistically significant differences in TCA or TSA between the two groups(P＞0.05),and scatter plots showed a balanced distribution of TCA and TSA in both groups.Conclusion In medial FB-UKA,the surgeon's handedness will signifi-cantly affect the placement of the femoral prosthesis,but it has little effect on the placement of the tibial prosthesis and the short-term clinical function of the surgery.
Medial compartment osteoarthritis of kneeUnicompartmental knee arthroplastyHandednessFixed-bearingpros-thesisProsthesis position
万方数据
维普
