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Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

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Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

Anirudh K Gowd, MD, UNITED STATES Johannes F. Plate, MD, PhD, UNITED STATES Asher Lichtig, MD, UNITED STATES Orhan Yanmis, MD, UNITED STATES Gary G. Poehling, MD, UNITED STATES

Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina, UNITED STATES

2023 Congress ePoster Presentation 2023 Congress Not yet rated

Sports Medicine

Orthopaedic Sports Medicine Outcome Studies

Diagnosis / Condition

Arthritis

Treatment / Technique

Arthroplasty

Summary: Unicompartmental Knee Arthroplasty without restrictive indications may successfully used to treat single compartment arthritis.

Purpose

The purpose of this study was to identify patient factors and surgical characteristics predictive of Unicompatrmental Knee Arthroplasty (UKA) failure to determine additional perioperative factors associated with poor outcomes following UKA.

Methods

A prospectively maintained institutional joint registry was queried at a single academic center for all patients that underwent UKA between January 2010 – December 2016. Oxford outcome scores were collected both pre-operatively, at 6-months post-operatively, and annually from date of surgery. Patients were seen annually in clinic, and those without appointments were contacted via email for follow-up. The conversion to TKA was measured for all patients. Demographic, radiographic (joint space), comorbidities, and operative data was reviewed to determine factors related to conversion to TKA and survivorship of primary implant.

Results

In total, 1,878 cases were performed, however, excluding multi-joint knees, there were a total of 1,186 knees in 1,014 patients with minimum 4-year follow-up. The mean age was 63.4±10.7 years and mean follow up was 76.4±17.4 months. Mean bmi was 32.3±6.5 kg/m2. (52.9% females, 47.1% males). There were 901 patients undergoing medial UKA, 122 patients undergoing lateral UKA, and 69 patients undergoing patellofemoral UKA. In total, 85 (7.2%) knees underwent conversion to TKA. Degree of preoperative valgus deformity (p=0.01), greater operative joint space (p=0.04), previous surgery (p=0.01), inlay implant (p=0.04), and pain syndrome (p=0.01) were associated with increased risk of revision surgery. Factors associated with decreased survivorship included patients with history of previous surgery (p<0.01), history of pain syndrome (p<0.01), and greater preoperative joint space (>2mm) (p<0.01). Lastly, there was no association of BMI to the predicted probability of conversion to TKA

Conclusion

Robotic-assisted UKA demonstrated favorable outcomes at 4-years with survivorship greater than 92%. The present series agree with emerging indications that do not exclude patients based on age, bmi, or degree of deformity, however, increased operative joint space, inlay design, history of surgery, and coexistence of pain syndrome are factors that increase risk of conversion to TKA.

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Patellofemoral Arthroplasty In Community Programs: Case Series of 425 Patients ePoster Presentation Alexander P. Sah, 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 ePoster Presentation 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
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Follow-Up after Primary Total Knee Arthroplasty with the Sigma PFC implant (DePuy Synthes Inc.) in Patients with Metal Allergy or Hypersensitivity ePoster Presentation Natalie Mengis, MD, SWITZERLAND Jules-Nikolaus Rippke, Dr. med. (MD), SWITZERLAND Sebastian Schmidt, GERMANY Tudor Daniel Cucos, MD, GERMANY Luis Alfredo Navas Contreras, MD, GERMANY Daniel Krahl, MD, GERMANY Marcus Streit, Prof., GERMANY
Antibiotic-Loaded Bone Cement with Colistin at Erythromycin Do Not Decrease Chronic TKA Pji at a Long-Term ePoster Presentation Daniel Pérez-Prieto, MD, SPAIN Albert Fontanellas, MD, SPAIN Pedro Hinarejos, MD, PhD, SPAIN Juan Francisco Sanchez-Soler, MD, PhD, SPAIN Raúl Torres-Claramunt, PhD, SPAIN Joan Carles Monllau, MD, PhD, Prof., SPAIN
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
Relationship Between The Femoral And Tibial Component Positions And Postoperative Knee Range Of Motion After Posterior-Stabilized Total Knee Arthroplasty ePoster Presentation Mitsuru Hanada, MD, PhD, JAPAN Yukihiro Matsuyama, MD, PhD, Prof., JAPAN
Association Of Ischemia Time And Serum Lactate Levels With Postoperative Pain In Primary Total Knee Arthroplasty At The Orthopedics And Traumatology Service At The Unidad Médica De Alta Especialidad No. 1 Bajío. ePoster Presentation Juan Antonio García Ramírez, MD, MEXICO
Anatomical distribution of radiological OA Influences the Outcome of TKA ePoster Presentation Johanna Elliott, MB, BS, B.Med Sci, Master Science, GERMANY
Comparison of Outcomes between Fungal and Non-fungal Periprosthetic Joint Infections in Total Knee Arthroplasty: A Propensity Score-Matched Analysis ePoster Presentation Hong Yeol Yang, MD, PhD, KOREA, REPUBLIC OF Jong-Keun Seon, MD, PhD, Prof, KOREA, REPUBLIC OF
Hip-Knee-Ankle Angle Affects Medial and Lateral Tibiofemoral Compressive Forces More Significantly than Joint Line Obliquity in Patients Post Total Knee Arthroplasty ePoster Presentation David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA Myles R. J. Coolican, FRACS, AUSTRALIA Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA, AUSTRALIA Alexander S. Nicholls, MSc, FRACS, AUSTRALIA Payam Tarassoli, MBChB, BSc, DipSEM, MD, FRCS, AUSTRALIA Yoong Lim, BEng, PhD, AUSTRALIA
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
Treatment of Periprosthetic Infection after Total Knee Arthroplasty using an Ultrastatic Spacer ePoster Presentation Gloria Shoshana Coden, MD, UNITED STATES Suzanne Kent, MD, UNITED STATES Ruijia Niu, MPH, UNITED STATES Ayesha Abdeen, MD, UNITED STATES Eric L. Smith, MD, UNITED STATES
Phenotypic Differences In Coronal Alignment In Robot-Assisted Total Knee Arthroplasty Do Not Affect Patient-Reported Outcome Measurements In A Three-Dimensional Computed Tomography Analysis: A Single-Center Cohort Study ePoster Presentation Takao Kaneko, MD, PhD,, JAPAN Ayakane Yamamoto, MD, JAPAN Kazutaka Takada, MD, JAPAN Shu Yoshizawa, MD, JAPAN Hiroyasu Ikegami, MD, PhD, Prof., JAPAN
Total Knee Arthroplasty Without Patellar Component Replacement. Does it Increase the Risk of Revision? Local Experience Analysis ePoster Presentation Zoy Anastasiadis, MD, CHILE Diego Edwards, MD, CHILE Sergio Arellano, MD, CHILE Andrés Schmidt-Hebbel, MD, CHILE Eduardo Gardella, MD, CHILE Nicolás González-Kusjanovic, MD, MSc, CHILE Alex Vaisman, MD, Prof., CHILE
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
Does Robotic Assisted Unicompartmental Knee Arthroplasty Restore Native Jointline More Accurately Than With Conventional Instruments? ePoster Presentation Ashok Kumar Podhili Subramani, MS, INDIA Shantanu S. Patil, MBBS, MS(Orth), INDIA SAWAN PAWAR, MBBS MS (ORTH), INDIA Kalaivanan Kanniyan, MBBS MS Orth, INDIA karthik jayachandran, MS, INDIA PICHAI SURYANARAYAN, MBBS MS ORTH, INDIA
Evaluation of The Safety And Efficacy of The Fully Automated Active Robotic System In Robotic Assisted Total Knee Arthroplasty ePoster Presentation Sanjay B. Londhe, MS, FRCS, FRCSI, MCh, INDIA Santosh Chandrashekar Shetty, MS, INDIA Ashit Hasmukhbhai Shah, FRCS Orth, M ChOrth, M S Orth, D N B Orth, INDIA Niraj Vora, MS,MRCS, INDIA Vijay Shetty, MD, MSc, FRCSC, INDIA Rakesh Nair, MS, INDIA Clevio Joao Baptista Desouza, MD, INDIA Farheen Khan, B.Tech, INDIA
Accuracy of the Component Alignment and Sizing in Total Knee Arthroplasty: Preoperative Templating and Postoperative Evaluation Using CT-Based 3D Pre-Operative Planning Software ePoster Presentation Takayuki Koya, MD, PhD, JAPAN Atsushi Sato, MD, PhD, JAPAN Jun Oike, MD, PhD, JAPAN Masataka Ota, MD, JAPAN Kanako Izukashi, MD, JAPAN Takayuki Okumo, MD, PhD, JAPAN Saki Yagura, MD, JAPAN Naoki Okuma, MD, JAPAN Fumiyoshi Kawashima, MD, JAPAN Hiroshi Takagi, MD, PhD, JAPAN Koji Kanzaki, Prof., JAPAN
Golfers Have Greater Preoperative and Equal Postoperative Function When Undergoing Total Knee Arthroplasty Compared to Non-Golfers ePoster Presentation Patrick G Robinson, MBChB, MRCS, MS, MBA, UNITED KINGDOM Robert Kay, MBChB, UNITED KINGDOM Deborah Macdonald, BA(Hons), UNITED KINGDOM Andrew Murray, MBChB, FFSEM, UNITED KINGDOM Nick David Clement, MBBS, MD, PhD, FRCS(Orth), UNITED KINGDOM

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Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

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Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

Factors Associated With Failure and Survivorship Following Unicompartmental Knee Arthroplasty: A Single-Center Experience

Purpose

Methods

Results

Conclusion

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