Summary: CS(Central Sensitization) is an associated factor for persistent postoperative pain and greater knee joint awareness in patients undergoing UKA.

Central Sensitization is associated with Persistent Postoperative Pain and Inferior Patient-Reported Outcomes in Patients Undergoing Unicompartmental Knee Arthroplasty

Background

It is well known that central sensitization (CS) has a close relationship with persistent pain and inferior patient-reported outcome measures (PROMs) after total knee arthroplasty (TKA). However, studies on the relationship between CS and PROMs including postoperative pain are still lacking in patients undergoing unicompartmental knee arthroplasty (UKA). Therefore, the purpose of this study was to investigate whether CS was associated with postoperative pain and PROMs after UKA.

Methods

Between 2014 and 2019, 122 cases (122 patients) of UKA performed by a single surgeon were included in this study with a minimum follow-up of two years. CS was evaluated preoperatively using a Central Sensitization Inventory (CSI). Based on the CSI score of 40, it was divided into CS and non-CS groups. There were 96 patients (78.7%) in non-CS group, while the CS group consisted of 26 patients (21.3%). PROMs were also evaluated by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score and forgotten joint score (FJS).

Results

The CSI score of the CS group was 45, and the average of the non-CS group was 22. The preoperative WOMAC pain, function and total score were significantly worse in the CS group than in the non-CS group (Pain: 18.4 vs 15.8, Function 46.0 vs 36.2, Total: 69.9 vs 56.0, all p < 0.05). This trend continued at 2 years after surgery (Pain: 3.4 vs 1.6, Function 14.8 vs 8.8, Total: 19.6 vs 11.4, all p < 0.05). FJS at 2 years after surgery was also significantly lower in the CS group than in the non-CS group (64.4 vs 72.8, p < 0.05).

Conclusion

CS is an associated factor for persistent postoperative pain and greater knee joint awareness in patients undergoing UKA.

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Tibial Morphology for Proper Adjustment of Metal Augmentation in Revision Total Knee Arthroplasty ePoster Presentation Yushi Sakamoto, MD, JAPAN Shinichiro Nakamura, MD, PhD, JAPAN Yugo Morita, MD, JAPAN Shinichi Kuriyama, MD, PhD, JAPAN Kohei Nishitani, MD, PhD, JAPAN Young Dong Song, MD, PhD, UNITED STATES Yusuke Yamawaki, MD, JAPAN Shuichi Matsuda, MD, PhD, JAPAN
Participation of Physical Activity Following Knee Arthroplasty: A Meta-Analysis ePoster Presentation Ahmed A Magan, BM BSc (Hons) MRCS (Eng) FRCS (Eng) Trauma & Orth, UNITED KINGDOM Babar Kayani, BSc (HONS), MBBS, MRCS (Eng), UNITED KINGDOM Warran Wignadasan, MBBS, BSc (Hons), MRCS, UNITED KINGDOM Dia Eldean Giebaly, MBChB, MSc, FRCS, EMBA, UNITED KINGDOM Flaminia Ronca, PHD, UNITED KINGDOM Fares S. Haddad, MCh(Orth), BSc, FRCS(Orth), UNITED KINGDOM
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
Patellofemoral Arthroplasty In Community Programs: Case Series of 425 Patients ePoster Presentation Alexander P. Sah, MD, UNITED STATES
Association Between The Femoral And Tibial Component Positions and Intraoperative Knee Kinematics In Posterior-Stabilized Total Knee Arthroplasty ePoster Presentation Mitsuru Hanada, MD, PhD, JAPAN Yukihiro Matsuyama, MD, PhD, Prof., JAPAN
Detection Loosening of Total Knee Arthroplasty Implant from Plain Radiograph Using Machine Learning Algorithm ePoster Presentation Man-Soo Kim, MD, PhD, KOREA, REPUBLIC OF Dongho Kwak, MD, KOREA, REPUBLIC OF Sungcheol Yang, MD, KOREA, REPUBLIC OF Hyukjin Jang, MD, KOREA, REPUBLIC OF Ryu Kyoung Cho, MD, KOREA, REPUBLIC OF Yong In, MD, PhD, 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
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
Use of Tibial Stem for Patients with Morbid Obesity in Total Knee Arthroplasty ePoster Presentation José Eduardo Flores Naranjo, MD, MEXICO Adrian Aziz Cortes De La Fuente, MD, MEXICO Octavio Martinez Montiel, MD, MEXICO Fernando Martinez Zuñiga, MD, MEXICO
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

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Central Sensitization is Associated with Persistent Postoperative Pain and Inferior Patient-Reported Outcomes in Patients Undergoing Unicompartmental Knee Arthroplasty

Central Sensitization is Associated with Persistent Postoperative Pain and Inferior Patient-Reported Outcomes in Patients Undergoing Unicompartmental Knee Arthroplasty

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Methods

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Conclusion

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Central Sensitization is Associated with Persistent Postoperative Pain and Inferior Patient-Reported Outcomes in Patients Undergoing Unicompartmental Knee Arthroplasty

Central Sensitization is Associated with Persistent Postoperative Pain and Inferior Patient-Reported Outcomes in Patients Undergoing Unicompartmental Knee Arthroplasty

Background

Methods

Results

Conclusion

More 2023 ISAKOS Congress Content