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Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

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Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

Tomas Alfredo Esteves, MD, ARGENTINA Matias Novillo, MD, ARGENTINA Tomas Nicolino, MD, ARGENTINA Matias Costa-Paz, MD, PhD, ARGENTINA Lisandro Carbó, MD, ARGENTINA Julian Costantini, MD, ARGENTINA

Hospital Italiano de Buenos Aires, Capital Federal , Buenos Aires, ARGENTINA

2023 Congress ePoster Presentation 2023 Congress Not yet rated

Anatomic Location

Knee Patellofemoral

Diagnosis / Condition

Osteoarthritis

Treatment / Technique

Arthroplasty Total Joint Replacement

Summary: Ambispective cohort study. There is controversy regarding various aspects of what to do with the patellar component in total knee replacement (TKR). Lateral facetectomy and patellar resurfacing have been demonstrated to be superior to osteofitectomy and denervation of the patella. But there is poor information comparing these two alternatives of treatment.

Background

There is controversy regarding various aspects of what to do with the patellar component in total knee replacement (TKR). We found in the literature, disparity in the postoperative outcomes and complications associated with the different options. Lateral facetectomy and patellar resurfacing have been demonstrated to be superior to osteofitectomy and denervation of the patella. But there is poor information comparing these two alternatives of treatment.

Objectives
To compare pain and functional outcomes with Visual Analog Scale (VAS), 2011 2011 Knee Society Knee Scoring System (KSS) and Knee Injury and Osteoarthritis Outcome Score (KOOS) in postoperative primary total knee replacement patients according to the treatment on the patellar component: replacement with patellar button (group 1) or lateral facetectomy (group 2). With preoperative evaluation and 12 months after surgery.

Design and Methods
Ambispective cohort study. We included 89 patients with knee osteoarthritis that were divided into two groups. 43 who underwent TKR with lateral facetectomy and 46 who were performed TKR with patellar resurfacing. In order to complete the sample size, we continued to prospectively include the necessary patients.
Demographic data, pre and postoperative mechanical axis of the lower limb, the prosthetic model used, pre and postoperative 2011 KSS, KOOS, and VAS were evaluated. Also, complications within the first 90 days of surgery were analyzed.
According to Zhang et al a mean postoperative KSS of 88.8 (SD 5+/-) for the facetectomy group and a mean of 83.4 (SD +/-7.6) for the non-facetectomy group were considered, with

Significance

level of 0.05 and a power of 80%, at least 24 patients per group would be needed. Considering a loss of 20% and the need to perform an analysis that takes into account confounders, at least 40 patients per group are estimated to be necessary.

Results

Significant differences were found for the patellar resurfacing group in the postoperative categories of overall KSS (p=0,002) and satisfaction KSS (p=0,046) and in the postoperative categories of KOOS symptoms (p=0,002) and quality of life (p=0.004) with better results for these patients. No significant differences in VAS. There were no complications associated with each procedure. Linear regression was performed with age, BMI, pre and postoperative mechanical axis of the lower limb and prosthetic models used, without a relationship with the results described above.

Conclusion

Our study suggests that patients with patellar resurfacing one year after surgery have better outcomes in the variables overall KSS and satisfaction KSS and in the variables symptoms KOOS and quality of life KOOS.

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Does 1000 Mg Ferric Carboxylate Maltose Have an Additional Benefit on the Haemoglobin Recovery Post Total Knee Arthroplasty? - A Comparison with 500 Mg of Ferric Carboxymaltose ePoster Presentation Adit Rajesh Maniar, MBBS, MS Orthopaedics, DNB Orthopaedics, INDIA Ashwini Khokhar, MS, INDIA Akshay Nayak, M.B.B.S, M.S , INDIA Naveen Chandar, MBBS, INDIA Abhinav Mishra, MS, DNB, INDIA Rajesh Maniar, INDIA
High Cure Rate In Hematogenous TKA PJI At A Long-Term Follow-Up By Means Of Dair Procedure ePoster Presentation Daniel Pérez-Prieto, MD, SPAIN Albert Fontanellas, MD, SPAIN Raúl Torres-Claramunt, PhD, SPAIN Juan Francisco Sanchez-Soler, MD, PhD, SPAIN Joan Carles Monllau, MD, PhD, Prof., SPAIN Pedro Hinarejos, MD, PhD, SPAIN
Combined Single-Shot Infiltration Between the Popliteal Artery and Capsule of the Knee and Adductor Canal Block with Bupivacaine, Dexmedetomidine, and Dexamethasone for Total Knee Arthroplasty: A Propensity-Matched Analysis ePoster Presentation David Freccero, MD, UNITED STATES Aneesh V Samineni, BA, UNITED STATES Seroos Salavati, MD, UNITED STATES
Quality of Life Following Primary Total Knee Arthroplasty: Factors Predicting Satisfaction in Low-Income Population ePoster Presentation Mohamed Amine Gharbi , MD, TUNISIA Houssem Eddine Chahed, MD, TUNISIA Ahmed Zendeoui, MD, TUNISIA Moatassem Belleh Jelassi, MD, TUNISIA Anis Tebourbi, MD, TUNISIA Ramzi Bouzidi, PhD, TUNISIA Khelil Ezzaouia, PhD, TUNISIA Mouadh Nefiss, MD, TUNISIA
Unicompartmental Knee Replacement and Femoropatellar Arthritis. 110 Ahroplasties with a Mean Follow p of 6 years. ePoster Presentation Stefano Gaggiotti, MD, ARGENTINA Santino Gaggiotti, MD, ARGENTINA Julio Cesar Ringa Gabriel Gaggiotti, MD, ARGENTINA
No Difference In Sports Participation And Patient-Reported Functional Outcomes Between Total Knee Arthroplasty And Unicompartmental Knee Arthroplasty At Minimum 2-Year Follow-Up In A Matched Control Study ePoster Presentation Amit Meena, MBBS, MS, DNB, INDIA Elisabeth Abermann, MD, AUSTRIA Christian Hoser, MD, AUSTRIA Luca Farinelli, MD, ITALY Caroline Hepperger, PhD, AUSTRIA Akshya Raj, MBBS,MS, INDIA Mohit Kumar Patralekh, MBBS, MS(Orthopaedics), DNB(Orthopaedics), MNAMS, INDIA Christian Fink, MD, Prof., AUSTRIA
Success of Debridement, Antibiotics, and Implant Retention vs Revision In Early And Late Prosthetic Joint Infections Following Primary TKA: A Prospective, Multicenter Study of 251 Cases ePoster Presentation Mark Zhu, MBChB, NEW ZEALAND Richard Rahardja, MBChB, BMedSc(Hons), NEW ZEALAND Laurens Manning, MBChB, AUSTRALIA Sarah Metcalf, MBChB, NEW ZEALAND Simon W. Young, MD, FRACS, NEW ZEALAND
Accuracy of Advanced Active Robotic Technology for Total Knee Arthroplasty: A Cadaveric Study ePoster Presentation Yong-Beom Park, MD, PhD, KOREA, REPUBLIC OF Seong-Hwan Kim, MD,Ph.D, MStat, KOREA, REPUBLIC OF Young-Bong Ko, MD, KOREA, REPUBLIC OF
Impact of Femur Correction on the Mechanical Alignment of the Total Knee Prosthesis ePoster Presentation Israel Alejandro Alejandro González Rizo, MD, MEXICO Fidel G Dobarganes, Prof, MEXICO Jorge Negrete Corona, MD, MEXICO Alberto Guevara-Alvarez, MD, MEXICO Franco Garcini Munguia, MD, MEXICO
Preoperative Bone Marrow Edema Negatively Impacts Intermediate to Long-Term Outcomes after Unicompartmental Knee Arthroplasty ePoster Presentation Hong Yeol Yang, MD, PhD, KOREA, REPUBLIC OF Jong-Keun Seon, MD, PhD, Prof, KOREA, REPUBLIC OF
Influence of Mini Approach Instrumentation on Component Alignment In Unicondylar Knee Replacement ePoster Presentation Vinod Kumar, MBBS, MS, DNB, MNAMS, INDIA Deepak Gupta, MBBS, MS, INDIA Ananya Sharma, MBBS, MS, DNB , INDIA
Anatomical distribution of radiological OA Influences the Outcome of TKA ePoster Presentation Johanna Elliott, MB, BS, B.Med Sci, Master Science, GERMANY
Time-Driven Activity-Based Costs for Manipulation Under Anesthesia after Total Knee Arthroplasty ePoster Presentation Gloria Shoshana Coden, MD, UNITED STATES Suzanne Kent, MD, UNITED STATES John Mazzocco, MD, UNITED STATES Lauren Schoeller, BS, UNITED STATES Ruijia Niu, MPH, UNITED STATES Daniel C Sun, UNITED STATES Eric L. Smith, MD, UNITED STATES

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Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

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Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

Patella in Total Knee Replacement: Patellar Resurfacing has Better Outcomes than Lateral Facetectomy at One Year Follow-Up

Background

Significance

Results

Conclusion

More 2023 ISAKOS Congress Content