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No difference in PROMs between robotic-assisted CR versus PS total knee arthroplasty: a preliminary study
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No difference in PROMs between robotic-assisted CR versus PS total knee arthroplasty: a preliminary study
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No difference in PROMs between robotic-assisted CR versus PS total knee arthroplasty: a preliminary study
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Journal Article
No difference in PROMs between robotic-assisted CR versus PS total knee arthroplasty: a preliminary study
2022
Overview
The purpose of this study was to determine if significant clinical differences exist in patient-reported outcome measures (PROMs) between PS and CR TKAs implanted using robotic-assisted technology. This was an IRB-approved retrospective study from an institutional database evaluating 214 knees in 190 patients. Inclusion criteria included: primary RA-TKA, age 22–89 at the time of surgery, preoperative coronal limb deformity within 15º of neutral alignment, and minimum 1-year follow-up. The PS cohort consisted of 103 patients with 107 RA-TKAs, whereas the CR cohort consisted of 87 patients with 107 RA-TKAs. Cohorts were compared on the basis of demographics and PROMs (KSS knee, KSS function, FJS-12, KOOS-JR, WOMAC, and 5-point satisfaction Likert scale) collected preoperatively and at 1-year follow-up. Statistical analyses comparing measures were conducted via Student’s
t
tests for continuous data and Chi-squared analyses for categorical data. There were no significant differences identified in short-term PROMs at 1-year follow-up between cohorts (all
p
values > 0.05). 93.1% of patients with CR knees and 94.7% of patients with PS knees reported a satisfaction level of “very satisfied” or “satisfied”. Revision arthroplasty occurred in six knees (2.8%, 3 knees in CR cohort, 3 knees in PS cohort) with no differences in overall complications between groups. The use of RA-TKA technology promoted high patient satisfaction scores within this study, independent of CR or PS implant type with no significant differences in PROMs, satisfaction, revisions, or complications between the two groups.
