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Ruderman LV, Bayoumi T, Ten Noever de Brauw GV, Lan R, Nguyen JT, Pearle AD. Robotic-arm-assisted lateral unicompartmental knee arthroplasty leads to high implant survival and patient satisfaction at mean 10-year follow-up. Knee Surg Sports Traumatol Arthrosc 2024; 32:2297-2308. [PMID: 38738827 DOI: 10.1002/ksa.12237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/23/2024] [Accepted: 04/28/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND There is a lack of literature reporting on long-term outcomes following robotic-arm-assisted lateral unicompartmental knee arthroplasty (UKA). This study assessed the long-term survivorship, patient-reported satisfaction and pain scores following robotic-arm-assisted lateral UKA for lateral compartment osteoarthritis (OA). METHODS A single surgeon's database was reviewed to identify all patients who underwent robotic-arm-assisted lateral UKA with a cemented, fixed-bearing prosthesis prior to May 2015. Patients were contacted to determine implant survivorship, satisfaction and pain. Kaplan-Meier models were applied to analyse survival. RESULTS A total of 77 knees (70 patients) with a mean follow-up of 10.2 ± 1.5 years (range: 8.1-13.3) were included. Five knees were revised, corresponding to a 10-year survivorship of 96.1% and estimated survival time of 12.7 ± 0.3 years (95% confidence interval: 12.2-13.2) with all-cause revision as the endpoint. Unexplained pain (40.0%) and progression of OA (40.0%) in contralateral compartments were the most reported reasons for revision. Among patients without revision, 94.4% were either satisfied or very satisfied with their lateral UKA and the average pain score was 1.1. CONCLUSION Robotic-arm-assisted lateral UKA led to high implant survivorship and patient satisfaction, and low pain scores at long-term follow-up. Progression of OA in contralateral compartments and unexplained pain were the most frequent reasons for revision. These findings support the continued use of robotic-arm-assisted lateral UKA for lateral compartment OA; however, its clinical value over conventional techniques remains to be established in prospective comparative studies. LEVEL OF EVIDENCE Therapeutic Level IV.
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Affiliation(s)
- Lindsey V Ruderman
- Hospital for Special Surgery, Sports Medicine Institute, Weill Medical College of Cornell University, New York, New York, USA
| | - Tarik Bayoumi
- Hospital for Special Surgery, Sports Medicine Institute, Weill Medical College of Cornell University, New York, New York, USA
- Department of Orthopaedic Surgery, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Gaby V Ten Noever de Brauw
- Hospital for Special Surgery, Sports Medicine Institute, Weill Medical College of Cornell University, New York, New York, USA
- Department of Orthopaedic Surgery, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Ranqing Lan
- Biostatistics Core, Healthcare Research Institute, Hospital for Special Surgery, New York, New York, USA
| | - Joseph T Nguyen
- Biostatistics Core, Healthcare Research Institute, Hospital for Special Surgery, New York, New York, USA
| | - Andrew D Pearle
- Hospital for Special Surgery, Sports Medicine Institute, Weill Medical College of Cornell University, New York, New York, USA
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Favroul C, Batailler C, Thouvenin C, Shatrov J, Neyret P, Servien E, Lustig S. Long-term functional success and robust implant survival in lateral unicompartmental knee arthroplasty: A case series with a mean follow-up of twenty two and a half years. INTERNATIONAL ORTHOPAEDICS 2024; 48:1761-1769. [PMID: 38743298 DOI: 10.1007/s00264-024-06215-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
PURPOSE Lateral unicompartmental knee arthroplasty (UKA) is an accepted treatment option in cases of end-stage lateral osteoarthritis. While lateral UKA has many proposed advantages compared to total knee arthroplasty, its technical challenges and relatively small number of cases make this an uncommon procedure. The aim of this study was to report the survivorship and functional outcomes beyond 20 years of follow-up of isolated UKA. METHODS Between January 1988 and October 2003, 54 lateral UKAs were performed in a single center. The fitted prosthesis was a fixed plate and cemented polyethylene (PE). All patients had isolated lateral tibiofemoral osteoarthritis, including five open meniscectomies, three arthroscopies, and three open reductions of lateral tibial plateau fractures. Patients with a minimum of 20 years of follow-up were included in the final analysis. RESULTS Of the 54 UKA, 22 died before reaching the minimum follow-up period and four were lost to follow-up. Twenty-eight were included in the final analysis. Among them, 21 patients remained alive and an additional seven were deceased after 20 years. The mean age at the last follow-up was 84.8 ± 11.9 years with a mean follow-up duration of 22.5 ± 2.1 years. Of the 28 knees, eight underwent revision surgery (5 for the progression of osteoarthritis; 2 for aseptic loosening; 1 for PE wear). Kaplan-Meier survival analysis revealed a survival rate at 20 and 25 years of 72.3% (CI 59.1; 88.6). The average time to revision was 14.9 ± 4.9 years. At the last follow-up, the mean function Knee Society Score (KSS) was 41.5 ± 32.9 and the mean objective KSS score was 79.4 ± 9.7. In the unrevised population, 94.7% of patients (n = 18) reported being satisfied or very satisfied with the surgery. CONCLUSION Lateral UKA remains a viable treatment option for patients with isolated lateral tibiofemoral osteoarthritis, providing satisfactory 20-year implant survivorship and high patient satisfaction.
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Affiliation(s)
- Clément Favroul
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon North University Hospital, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, France.
| | - Cécile Batailler
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon North University Hospital, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, France
- Univ Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 69622, Lyon, France
| | - Clara Thouvenin
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon North University Hospital, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, France
| | - Jobe Shatrov
- Sydney Orthopedic Research Institute, University of Notre Dame Australia, Hornsby and Ku-Ring Hospital, Sydney, Australia
| | | | - Elvire Servien
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon North University Hospital, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, France
- LIBM-EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, Lyon, France
| | - Sébastien Lustig
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon North University Hospital, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, France
- Univ Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 69622, Lyon, France
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Marullo M, Russo A, Spreafico A, Romagnoli S. Lateral Unicompartmental Knee Arthroplasty for Osteoarthritis Secondary to Lateral Meniscectomy: High Functional Results and Survivorship and Low Osteoarthritis Progression at a Mean 10 Years of Follow-up. J Bone Joint Surg Am 2024; 106:992-999. [PMID: 38512989 DOI: 10.2106/jbjs.23.00764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
BACKGROUND Meniscectomy, whether partial or total, is a common knee surgery, but it considerably increases the risk of knee osteoarthritis (OA). Lateral meniscectomy has more severe consequences than medial meniscectomy, leading to faster OA progression and worse clinical outcomes. Unicompartmental knee arthroplasty (UKA) is a suitable treatment option for lateral OA and has demonstrated better outcomes than total knee arthroplasty (TKA). The aims of this study were to evaluate the clinical and functional results, OA progression in the medial compartment, and implant survivorship following lateral UKA in patients with OA secondary to lateral meniscectomy and to compare these outcomes with those of patients who underwent lateral UKA for primary lateral OA. METHODS Between 2001 and 2017, 214 lateral UKAs were performed. Of these, 42 were performed for OA secondary to lateral meniscectomy. The control group was composed of patients who underwent lateral UKA for primary lateral OA and was formed through a 1:1 case-control matching process based on sex, age, body mass index, and operation date. The outcomes that were studied included range of motion, Knee Society Score, University of California Los Angeles (UCLA) Activity Score, Tegner Activity Scale, Forgotten Joint Score, visual analog scale for pain, OA progression in the medial compartment, and implant survivorship. RESULTS At a mean follow-up of 10.2 years, both groups demonstrated significant improvements (p < 0.01) after lateral UKA in all clinical and functional scores except the UCLA Activity Score and Tegner Activity Scale. No significant differences in clinical and functional scores were found between the groups. However, patients with OA secondary to meniscectomy exhibited significantly less OA progression in the medial compartment (p = 0.035) and higher 10-year implant survival (97.6% versus 83.3%). CONCLUSIONS Lateral UKA is an effective treatment option for OA secondary to lateral meniscectomy, providing excellent functional outcomes and survivorship. Patients with post-meniscectomy OA exhibited less OA progression in the medial compartment than patients with primary OA and, consequently, had better 10-year implant survivorship. LEVEL OF EVIDENCE Therapeutic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Matteo Marullo
- Department of Joint Replacement, IRCCS Galeazzi Orthopedic Institute, Milano, Italy
| | - Antonio Russo
- Department of Surgical Sciences, University of Turin, Turin, Italy
| | - Andrea Spreafico
- Department of Joint Replacement, IRCCS Galeazzi Orthopedic Institute, Milano, Italy
| | - Sergio Romagnoli
- Department of Joint Replacement, IRCCS Galeazzi Orthopedic Institute, Milano, Italy
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Bensa A, Sangiorgio A, Deabate L, Illuminati A, Pompa B, Filardo G. Robotic-assisted unicompartmental knee arthroplasty improves functional outcomes, complications, and revisions. Bone Jt Open 2024; 5:374-384. [PMID: 38690670 PMCID: PMC11061807 DOI: 10.1302/2633-1462.55.bjo-2024-0030.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2024] Open
Abstract
Aims Robotic-assisted unicompartmental knee arthroplasty (R-UKA) has been proposed as an approach to improve the results of the conventional manual UKA (C-UKA). The aim of this meta-analysis was to analyze the studies comparing R-UKA and C-UKA in terms of clinical outcomes, radiological results, operating time, complications, and revisions. Methods The literature search was conducted on three databases (PubMed, Cochrane, and Web of Science) on 20 February 2024 according to the guidelines for Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). Inclusion criteria were comparative studies, written in the English language, with no time limitations, on the comparison of R-UKA and C-UKA. The quality of each article was assessed using the Downs and Black Checklist for Measuring Quality. Results Among the 3,669 articles retrieved, 21 studies on 19 series of patients were included. A total of 3,074 patients (59.5% female and 40.5% male; mean age 65.2 years (SD 3.9); mean BMI 27.4 kg/m2 (SD 2.2)) were analyzed. R-UKA obtained a superior Knee Society Score improvement compared to C-UKA (mean difference (MD) 4.9; p < 0.001) and better Forgotten Joint Score postoperative values (MD 5.5; p = 0.032). The analysis of radiological outcomes did not find a statistically significant difference between the two approaches. R-UKA showed longer operating time (MD 15.6; p < 0.001), but reduced complication and revision rates compared to C-UKA (5.2% vs 10.1% and 4.1% vs 7.2%, respectively). Conclusion This meta-analysis showed that the robotic approach for UKA provided a significant improvement in functional outcomes compared to the conventional manual technique. R-UKA showed similar radiological results and longer operating time, but reduced complication and revision rates compared to C-UKA. Overall, R-UKA seems to provide relevant benefits over C-UKA in the management of patients undergoing UKA.
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Affiliation(s)
- Alessandro Bensa
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
- Università della Svizzera Italiana, Faculty of Biomedical Sciences, Lugano, Switzerland
| | - Alessandro Sangiorgio
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
| | - Luca Deabate
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
| | | | - Benedetta Pompa
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
| | - Giuseppe Filardo
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
- Università della Svizzera Italiana, Faculty of Biomedical Sciences, Lugano, Switzerland
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Marullo M, Tandogan RN, Kort N, Meena A, Attri M, Gomberg B, D'Ambrosi R. Trends in unicompartmental knee arthroplasty among 138 international experienced arthroplasty knee surgeons. Heliyon 2024; 10:e24307. [PMID: 38304773 PMCID: PMC10830546 DOI: 10.1016/j.heliyon.2024.e24307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 02/03/2024] Open
Abstract
Purpose Unicompartmental knee arthroplasty (UKA) is an established option for treating isolated unicompartmental knee osteoarthritis (OA), but controversies still exist about patient selection, indications, perioperative management and alignment goals. This survey was designed to understand the current trends of experienced arthroplasty knee surgeons performing UKA. Methods An online questionnaire was created with SurveyMonkey® to assess global tendencies in the utilization of UKA. A link to the survey was shared with all ESSKA (European Society for Sports Traumatology, Knee Surgery and Arthroscopy) members. The questionnaire consisted of free and multiple-choice questions and was divided into four sections: demographic information, the surgical activity of the respondents, indications for surgery and postoperative alignment goals. Results A total of 138 ESSKA members from 34 different countries completed the survey. A total of 81 % of the responders performed fewer than 50 UKAs per year; 53 % of UKAs represented less than 20 % of their knee replacements; 71 % used mainly or only fixed-bearing implants; 81 % performed UKA in a shorter time compared to TKA; and 61 % and 72 % were interested in custom-made UKA and robotics, respectively. Thirty-six percent considered a minimum postoperative alignment of 0° for medial UKA, and 32 % considered 10° as the maximum valgus deformity for lateral UKA. Fifty-five percent had no minimum age cut-off, 47 % had no BMI cut-off, and 57 % believed TKA was better than UKA in knees with concomitant high-grade patellofemoral OA. Approximately 50 % of the surgeons desired a coronal alignment that was the same as the predegeneration alignment. Conclusion A high level of agreement was reached regarding the following: preference for fixed-bearing UKAs, lower surgical time for UKA compared to TKA, interest in custom-made and robotic UKAs, no age and weight cut-off, TKA preferred in the presence of patellofemoral OA, and a final alignment goal of the predegenerative state both for medial and lateral. There was no agreement regarding length of stay, rehabilitation protocol, preoperative varus and valgus cut-off values, and treatment in cases of absence of anterior cruciate ligament or previous osteotomy.
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Affiliation(s)
| | - Reha N. Tandogan
- Department of Orthopaedics and Traumatology, Emsey Hospital, Istanbul, Turkey
- Department of Orthopaedics and Traumatology, Halic University Istanbul & Cankaya Orthopedics, Ankara, Turkey
| | | | - Amit Meena
- Gelenkpunkt – Sports and Joint Surgery, FIFA Medical Centre of Excellence, Innsbruck, Austria
| | - Manish Attri
- Central Institute of Orthopaedics, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Bruce Gomberg
- Northern Light Mercy Orthopaedics, Portland, ME, USA
| | - Riccardo D'Ambrosi
- IRCCS Ospedale Galeazzi – Sant’Ambrogio, Milan, Italy
- Università Degli Studi di Milano, Dipartimento di Scienze Biomediche per La Salute, Milan, Italy
| | - EKA Small Implants Focus Group
- IRCCS Ospedale Galeazzi – Sant’Ambrogio, Milan, Italy
- Department of Orthopaedics and Traumatology, Emsey Hospital, Istanbul, Turkey
- Department of Orthopaedics and Traumatology, Halic University Istanbul & Cankaya Orthopedics, Ankara, Turkey
- CortoClinics, Nederweert, Netherlands
- Gelenkpunkt – Sports and Joint Surgery, FIFA Medical Centre of Excellence, Innsbruck, Austria
- Central Institute of Orthopaedics, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
- Northern Light Mercy Orthopaedics, Portland, ME, USA
- Università Degli Studi di Milano, Dipartimento di Scienze Biomediche per La Salute, Milan, Italy
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Sangaletti R, Andriollo L, Montagna A, Are L, Benazzo F, Rossi SMP. Lateral UKA can be a safe solution in a young patients' population: a 10-year follow-up report. Arch Orthop Trauma Surg 2024:10.1007/s00402-023-05189-y. [PMID: 38231208 DOI: 10.1007/s00402-023-05189-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 12/21/2023] [Indexed: 01/18/2024]
Abstract
BACKGROUND This study aimed to assess the long-term survivorship and functional outcomes of fixed-bearing lateral unicompartmental knee arthroplasty (UKA) in a young patients' population with osteoarthritis limited to the lateral compartment. METHODS The study included a cohort of consecutive patients who underwent lateral UKA between January 2008 and December 2014 at a single high-volume surgical center. The surgical procedures were performed by experienced surgeons using a lateral parapatellar approach and fixed-bearing implants. Patient follow-up included a retrospective re-evaluation, clinical assessments, patient-reported outcome measures (PROMs), and X-ray analysis. RESULTS A total of 40 lateral UKAs were analyzed, with 19 performed on the left and 21 on the right knee. The mean age of the patients at the time of surgery was 57.6 years, and the mean BMI was 24.8. At the final follow-up, 80% of patients achieved excellent outcomes (OKS > 41), and 20% had good outcomes (OKS: 34-41). No patients exhibited fair or poor outcomes. The mean FJS at the final follow-up was 82.8. The mean WOMAC was 10.5. Kaplan-Meier survival analysis revealed a survivorship rate of 93.1% at 10 years, considering revision for any reason as endpoint. CONCLUSIONS Lateral UKA proved to be an effective treatment option for osteoarthritis affecting the lateral compartment of the knee. The study demonstrated a high survivorship rate and favorable functional outcomes at a mean follow-up of 132.7 months. These findings highlight the potential benefits of fixed-bearing lateral UKA in selected patients with lateral compartment knee pathology.
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Affiliation(s)
- Rudy Sangaletti
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
| | - Luca Andriollo
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alice Montagna
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- Clinica Ortopedica e Traumatologica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Lorenzo Are
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Francesco Benazzo
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- IUSS Pavia, Pavia, Italy
| | - Stefano Marco Paolo Rossi
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy.
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