Summary: Although UKA has a higher long-term survival rate than HTO, it should be noted that patients considering UKA have a higher risk of complications such as deep vein thromboembolism, surgical site infections, and postoperative depression.

Aims : To investigate comparative study for potential associations of adverse outcomes as well as survival rates after High tibial osteotomy(HTO) and Unicompartmental knee arthroplasty (UKA).

Materials And Methods

We reviewed the Korean National Health Insurance claims database from January 1, 2007 to May 31, 2019. A total of 90,705 patients aged 30 to 90 years who were newly treated for HTO or UKA were identified considering their eligibility. We performed four rounds of propensity score matching to reduce imbalance of baseline characteristics, especially disparities among different age groups. Multivariable logistic regression models were used to compare the risk of revision and various unwanted medical problems between HTO and UKA treatment groups after propensity score matching.

Results

23,563 matched patients were assigned to each group on the basis of propensity score. HTO showed higher risk of revision than UKA at five years, ten years and the whole observed period (hazard ratio: 1.21, 95% CI: 1.10-1.34). Deep vein thromboembolism (0.27, 0.21-0.35), surgical site infection (0.37, 0.30-0.44), and depression (0.91, 0.87-0.96) were less likely for HTOs than UKAs. Postoperative admission to intensive care unit was significantly lower with HTO (odds ratio: 0.40, 0.29-0.54) while rehospitalization within 30 days (1.27, 1.16-1.38) and 90 days (1.24, 1.18-1.30) were higher than UKA.

Conclusion

When choosing the surgical method for unicompartmental knee OA, not only the survival rate, but also the risk of other adverse outcomes should be considered. In particular, attention should be paid to the risk of developing deep vein thromboembolism, surgical site infection, and depression.

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Management Of Septic Knee Arthritis In The Emergency Department Of A Tertiary Hospital ePoster Presentation Blanca Varas Varas, MD, SPAIN
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The Sport-Specific Prevalence of Generalized Joint Hypermobility in Collegiate Athletes – A Cross-Sectional Study ePoster Presentation Richard W. Nicolay, MD, UNITED STATES Matthew J. Hartwell, MD, UNITED STATES Stephen Bigach, MD, UNITED STATES Claire Fernandez, BS, UNITED STATES Allison M Morgan, BA, UNITED STATES Charles Cogan, MD, UNITED STATES Michael Terry, MD, UNITED STATES Vehniah K. Tjong, MD, FRCSC, UNITED STATES
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WEIGHT CHANGE AND ACTIVITY IN PATIENTS WITH OBESITY AFTER A TOTAL ARTHROPLASTY OF KNEE ePoster Presentation Diego Sanchez Carpio, MD, ARGENTINA
The Minimal Clinically Important Differences For Patient-Reported Outcomes Differ Between Centrally Sensitized And Non-Sensitized Patients Following Total Knee Arthroplasty ePoster Presentation Man-Soo Kim, MD, PhD, KOREA, REPUBLIC OF Yong Gyu Sung, MD, KOREA, REPUBLIC OF Dong-Chul Park, MD, KOREA, REPUBLIC OF Jae Jung Kim, MD, KOREA, REPUBLIC OF Yong In, MD, PhD, KOREA, REPUBLIC OF
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Isolated Lateral Collateral Ligament Injuries Encountered in Combat Sports: What is the Optimal Treatment? ePoster Presentation Nicole Danielle Rynecki, MD, UNITED STATES Kunj Jain, BS, UNITED STATES Harsh Shah, MD, UNITED STATES Robin M. Gehrmann, MD, UNITED STATES
Contact Characteristics Analysis Of All-Inside Suture Technique In Displaced Medial Meniscus Tears Of Porcine Knee ePoster Presentation Artit Boonrod, MD, THAILAND Supanut Weraarchakul, MD, THAILAND Nadhaporn Saengpetch, MD, THAILAND Punyawat Apiwatanakul, MD, THAILAND Sermsak Sumanont, MD, THAILAND
Lateral Retinacular Release In Concordance With Medial Patellofemoral Ligament Reconstruction In Patients With Recurrent Patellar Instability – A Computational Model Award Winner Giuseppe Salvatore, MD, PhD, ITALY Umile Giuseppe Longo, MD, MSc, PhD, Prof., ITALY Alessandra Berton, MD, ITALY Alexander Orsi, PhD, AUSTRALIA Jonathan Egan, BS, MEng, UNITED STATES Joseph P. DeAngelis, MD, UNITED STATES Ara Nazarian, PhD, UNITED STATES Vincenzo Denaro, MD, PhD, Prof., ITALY
A Melt Electrowritten Scaffold Inspired By Native Tissue Architecture Seeded With Meniscus Cells And Mesenchymal Stromal Cells Abstract Presentation 5 minutes Jasmijn Korpershoek, MD, NETHERLANDS Mylène de Ruijter, PhD, NETHERLANDS Bastiaan Terhaard, BSc, NETHERLANDS Chella Hagmeijer, PhD, NETHERLANDS Daniel Saris, MD, PhD, Prof., UNITED STATES Miguel Castilho, PhD, NETHERLANDS Jos Malda, Prof., NETHERLANDS Lucienne A Vonk, PhD, NETHERLANDS
The New Patient’s Anatomy Individualized Tibial Tubercle - Trochlear Groove Distance Ratios As An Indicator Of Patellofemoral Instability: Defining Normal Values and Inter/Intra Reader Reliability. Abstract Presentation 6 minutes Ahmad Essa, MPH MD, ISRAEL Dror Lindner, MD, ISRAEL Salah Khatib, MD, ISRAEL Gabriel Agar, Prof, ISRAEL Yiftah Beer, MD, ISRAEL

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Risk Of Revision And Adverse Outcomes Following Partial Knee Replacement And High Tibial Osteotomy For Unicompartmental Knee Osteoarthritis : A Nationwide Cohort Study

Risk Of Revision And Adverse Outcomes Following Partial Knee Replacement And High Tibial Osteotomy For Unicompartmental Knee Osteoarthritis : A Nationwide Cohort Study

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Risk Of Revision And Adverse Outcomes Following Partial Knee Replacement And High Tibial Osteotomy For Unicompartmental Knee Osteoarthritis : A Nationwide Cohort Study

Risk Of Revision And Adverse Outcomes Following Partial Knee Replacement And High Tibial Osteotomy For Unicompartmental Knee Osteoarthritis : A Nationwide Cohort Study

Materials And Methods

Results

Conclusion