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J Arthroplasty. 2015 Dec;30(12):2125-7. doi: 10.1016/j.arth.2015.05.057. Epub 2015 Jun 12.

Is Electrocautery of Patella Useful in Patella Non-Resurfacing Total Knee Arthroplasty?: A Prospective Randomized Controlled Study.

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Department of Orthopaedic Surgery, Yonsei Sarang Hospital, Bucheon, Korea.
AIC-CURE International Children's Hospital of Kenya, Kijabe, Kenya.
Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea.


There is controversy over the need for electrocauterization of the patella in non-resurfacing total knee arthroplasty (TKA). We investigated whether this procedure is beneficial through a prospective randomized controlled trial. Fifty patients who underwent electrocautery were compared with 50 patients who did not undergo this procedure. We determined cartilage status, preoperative and postoperative American Knee Society (AKS) score, the Western Ontario and McMaster Universities score (WOMAC) and the Patellofemoral (PF) scores for a minimum of 5 years. The two groups did not differ significantly in demographics, intraoperative cartilage status, or preoperative or postoperative outcomes. No complications were detected in either group. We found no benefits of electrocautery of the patella in patellar non-resurfacing TKA up to 5 years.


clinical outcomes; electrocauterization; non-resurfacing; patella; total knee arthroplasty

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