A comparative study of circumpatellar denervation combined with patelloplasty versus patellar resurfacing in primary total knee arthroplasty: Five Years Follow-up

Abstract

Introduction: Total knee arthroplasty is a useful procedure for treating primary knee osteoarthritis worldwide. The challenging topic in the orthopedic community is whether patellar resurfacing or not. Previous studies demonstrated various outcomes between patellar resurfacing and non-resurfacing. Our study compares the clinical outcomes of circumpatellar denervation combined patelloplasty versus patellar resurfacing in primary total knee arthroplasty in a five-year follow-up. Materials and Methods: One hundred and two patients undergoing primary total knee arthroplasty were collected into 50 patients in the patellar resurfacing group (group A) and 52 in the circumpatellar denervation and patelloplasty group (group B). Preoperative and 3, 6, 12, 24, 60 months follow-up outcome assessment of the Oxford knee score (OKS), the Feller patellar score (FPS), the visual analog score (VAS) of pain, and the patient satisfaction score (PSS), range of knee motion (ROM) results were used for statistical analysis. Results: At 60 months, both groups showed similar improvements in the Oxford knee score (OKS), the Feller patellar score (FPS), the visual analog score (VAS) of pain, the patient satisfaction score (PSS), and range of knee motion (ROM). There was no significant statistical analysis between both groups (p-value > 0.05). Conclusion: Our study shows that primary total knee arthroplasty with circumpatellar denervation and patelloplasty improved clinical outcomes, the same as primary total knee arthroplasty with patellar resurfacing for a minimum of 5 years follow-up.