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Kono K, Yamazaki T, Tamaki M, Inui H, Tanaka S, Tomita T. In Vivo Kinematic Analysis of Mobile-Bearing Unicompartmental Knee Arthroplasty during High Flexion Activities. J Knee Surg 2024; 37:649-655. [PMID: 38191008 DOI: 10.1055/a-2240-3482] [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: 01/10/2024]
Abstract
Mobile-bearing (MB) unicompartmental knee arthroplasty (UKA) has high conformity between the femoral articular surface and the meniscal bearing; therefore, the surface and subsurface contact stress is reduced. Additionally, the survival rate is high. However, the in vivo kinematics of MB UKA knees during high-flexion activities of daily living remain unknown. The aim of this study was to investigate in vivo the three-dimensional kinematics of MB UKA knees during high-flexion activities of daily living. A total of 17 knees of 17 patients who could achieve kneeling after MB UKA were examined. Under fluoroscopy, each patient performed squatting and kneeling motions. To estimate the spatial position and orientation of the knee, a two-dimensional/three-dimensional registration technique was used. We evaluated the femoral rotation and varus-valgus angle relative to the tibia and the anteroposterior translation of the medial sulcus (medial side) and lateral epicondyle (lateral side) of the femur on the plane perpendicular to the tibial mechanical axis in each flexion angle. From 130° to 140° of flexion, the femoral external rotation during squatting was significantly smaller than that during kneeling. Additionally, the medial side of the femur during squatting was significantly more posteriorly located compared with that during kneeling. There was no significant difference between squatting and kneeling in terms of the lateral side of the femur and the varus-valgus position in each flexion angle. At high flexion angle, the kinematics of MB UKA knees may differ depending on the performance.
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Affiliation(s)
- Kenichi Kono
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takaharu Yamazaki
- Department of Information Systems, Faculty of Engineering, Saitama Institute of Technology, Fukaya, Saitama, Japan
| | - Masashi Tamaki
- Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiroshi Inui
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- Department of Orthopaedic Surgery, Faculty of Medicine, Saitama Medical Center, Kawagoe, Saitama, Japan
| | - Sakae Tanaka
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Tetsuya Tomita
- Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
- Department of Medical Science, Graduate School of Medicine, Morinomiya University of Medical Sciences, Suminoe-ku, Osaka, Japan
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Yoon YK, Park KH, Shim DW, Han SH, Lee JW, Jung M. Robotic-assisted foot and ankle surgery: a review of the present status and the future. Biomed Eng Lett 2023; 13:571-577. [PMID: 37872981 PMCID: PMC10590355 DOI: 10.1007/s13534-023-00328-1] [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: 07/04/2023] [Revised: 09/17/2023] [Accepted: 09/26/2023] [Indexed: 10/25/2023] Open
Abstract
The surgical application of robotics has increased significantly since its first application in 1985 for a brain biopsy acquisition. Robotic-assisted surgery has been one of the viable options in various surgical areas, and also in orthopaedic surgery. Robotic-assisted orthopaedic surgery has gained popularity as a mean of improving accuracy, reducing complications and achieving better patient satisfaction. Numerous clinical research studies have demonstrated advantages of robotic-assisted orthopaedic surgery, however, most of that researches were about the total knee arthroplasty, total hip arthroplasty and spine surgery. The application of robotic technology in foot and ankle surgery is in a very nascent stage. Furthermore, there has been little research on intraoperative use of robotics in foot and ankle surgery in literature. A review of previous preclinical studies in foot and ankle robotics and clinical research studies in various fields of robot-assisted orthopaedic surgery shows that its potential application and benefits over conventional techniques, such as total ankle arthroplasty, minimally invasive surgery for foot and ankle trauma or other corrective procedure, and intraoperative biomechanical testing. More studies on practical application of robotic technology to surgical procedure in the field of foot and ankle surgery are needed to confirm its clinical usefulness and cost effectiveness.
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Affiliation(s)
- Yeo Kwon Yoon
- Department of Orthopaedic Surgery, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, South Korea
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Dong Woo Shim
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Seung Hwan Han
- Department of Orthopaedic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Jin Woo Lee
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Min Jung
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
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Ghazal AH, Fozo ZA, Matar SG, Kamal I, Gamal MH, Ragab KM. Robotic Versus Conventional Unicompartmental Knee Surgery: A Comprehensive Systematic Review and Meta-Analysis. Cureus 2023; 15:e46681. [PMID: 37869054 PMCID: PMC10589056 DOI: 10.7759/cureus.46681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/08/2023] [Indexed: 10/24/2023] Open
Abstract
Robotic-assisted surgery is a computer-controlled technique that may improve the accuracy and outcomes of unicompartmental total knee arthroplasty (TKA), a partial knee replacement surgery. The purpose of a meta-analysis about robotic-assisted versus conventional surgery for unicompartmental TKA is to compare the effectiveness of these two methods based on the current evidence. Our meta-analysis can help inform clinical decisions and guidelines for surgeons and patients who are considering unicompartmental TKA as a treatment option. We searched four online databases for studies that compared the two methods until March 2023. We used RevMan software to combine the data from the studies. We calculated the mean difference (MD) and the 95% confidence interval (CI) for each outcome, which are statistical measures of the difference and the uncertainty between the two methods. We included 16 studies in our analysis. We found that robotic-assisted surgery had a better hip-knee-ankle angle, which is a measure of how well the knee is aligned, than conventional surgery (MD = 0.86, 95% CI = 0.16-1.56). We also found that robotic-assisted surgery had a better Oxford Knee score, which is a measure of how well the knee functions, than conventional surgery (MD = 3.03, 95% CI = 0.96-5.110). This study compared the results of conventional and robotic-assisted unicompartmental knee arthroplasty in 12 studies. We concluded that robotic-assisted surgery may have some benefits over conventional surgery in terms of alignment and function of the knee. However, we did not find any significant difference between the two methods in terms of other outcomes, such as pain, range of motion, health status, and joint awareness. Therefore, we suggest that more research is needed to confirm these results and evaluate the long-term effects and cost-effectiveness of robotic-assisted surgery.
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Affiliation(s)
- Ahmed Hussein Ghazal
- Orthopaedics, Northwick Park Hospital, London North West University Healthcare NHS Trust, Harrow, GBR
| | | | - Sajeda G Matar
- Pharmacology and Therapeutics, Faculty of Pharmacy, Applied Science Private University, Amman, JOR
| | - Ibrahim Kamal
- General Medicine, Al-Azhar University, Alexandria, EGY
| | - Mohamed Hesham Gamal
- Pharmacology and Therapeutics, Faculty of Pharmacy, Tanta University, Tanta, EGY
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Bayoumi T, Kleeblad LJ, Borus TA, Coon TM, Dounchis J, Nguyen JT, Pearle AD. Ten-Year Survivorship and Patient Satisfaction Following Robotic-Arm-Assisted Medial Unicompartmental Knee Arthroplasty: A Prospective Multicenter Study. J Bone Joint Surg Am 2023:00004623-990000000-00793. [PMID: 37146125 DOI: 10.2106/jbjs.22.01104] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
BACKGROUND Robotic-arm-assisted unicompartmental knee arthroplasty (UKA) has been shown to result in high short- and mid-term survivorship. However, it is not known whether these outcomes are maintained at long-term follow-up. This study aimed to evaluate long-term implant survivorship, modes of failure, and patient satisfaction following robotic-arm-assisted medial UKA. METHODS A prospective multicenter study of 474 consecutive patients (531 knees) undergoing robotic-arm-assisted medial UKA was conducted. A cemented, fixed-bearing system with a metal-backed onlay tibial implant was used in all cases. Patients were contacted at 10-year follow-up to determine implant survivorship and satisfaction. Survival was analyzed using Kaplan-Meier models. RESULTS Data were analyzed for 366 patients (411 knees) with a mean follow-up of 10.2 ± 0.4 years. A total of 29 revisions were reported, corresponding to a 10-year survivorship of 91.7% (95% confidence interval, 88.8% to 94.6%). Of all revisions, 26 UKAs were revised to total knee arthroplasty. Unexplained pain and aseptic loosening were the most commonly reported modes of failure, accounting for 38% and 35% of revisions, respectively. Of patients without revision, 91% were either satisfied or very satisfied with their overall knee function. CONCLUSIONS This prospective multicenter study found high 10-year survivorship and patient satisfaction following robotic-arm-assisted medial UKA. Pain and fixation failure remained common causes for revision following cemented fixed-bearing medial UKA, despite the use of a robotic-arm-assisted technique. Prospective comparative studies are needed to assess the clinical value of robotic assistance over conventional techniques in UKA. LEVEL OF EVIDENCE Prognostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Tarik Bayoumi
- Computer Assisted Surgery and Sports Medicine, Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, NY
| | - Laura J Kleeblad
- Department of Surgery, Northwest Clinics, Alkmaar, the Netherlands
| | - Todd A Borus
- Department of Orthopaedic Surgery, Rebound Orthopedics & Neurosurgery, Portland, Oregon
| | - Thomas M Coon
- Coon Joint Replacement Institute, Department of Orthopaedic Surgery, St. Helena, California
| | - Jon Dounchis
- Department of Orthopaedic Surgery, NCH Orthopedics, Naples, Florida
| | - Joseph T Nguyen
- Biostatistics Core, Healthcare Research Institute, Hospital for Special Surgery, New York, NY
| | - Andrew D Pearle
- Computer Assisted Surgery and Sports Medicine, Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, NY
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Batailler C, Lording T, Naaim A, Servien E, Cheze L, Lustig S. No difference of gait parameters in patients with image-free robotic-assisted medial unicompartmental knee arthroplasty compared to a conventional technique: early results of a randomized controlled trial. Knee Surg Sports Traumatol Arthrosc 2023; 31:803-813. [PMID: 33839803 DOI: 10.1007/s00167-021-06560-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/30/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE In recent studies, robotic-assisted surgical techniques for unicompartmental knee arthroplasty (UKA) have demonstrated superior implant positioning and limb alignment compared to a conventional technique. However, the impact of the robotic-assisted technique on clinical and functional outcomes is less clear. The aim of this study was to compare the gait parameters of UKA performed with conventional and image-free robotic-assisted techniques. METHODS This prospective, single-center study included 66 medial UKA, randomized to a robotic-assisted (n = 33) or conventional technique (n = 33). Gait knee kinematics was assessed on a treadmill at 6 months to identify changes in gait characteristics (walking speed, each degree-of-freedom: flexion-extension, abduction-adduction, internal-external rotation, and anterior-posterior displacement). Clinical results were assessed at 6 months using the IKS score and the Forgotten Joint Score. Implants position was assessed on post-operative radiographs. RESULTS Post-operatively, the whole gait cycle was not significantly different between groups. In both groups, there was a significant improvement in varus deformity between the pre- and post-operative gait cycle. There was no significant difference between the two groups in clinical scores, implant position, revision, and complication rates. CONCLUSION No difference of gait parameters could be identified between medial UKA performed with image-free robotic-assisted technique or with conventional technique. LEVEL OF EVIDENCE Prospective randomized controlled trial. LEVEL OF EVIDENCE I
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Affiliation(s)
- Cécile Batailler
- Orthopaedics Surgery and Sports Medicine Department, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France. .,Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, F69622, Univ Lyon, Lyon, France.
| | | | - Alexandre Naaim
- Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, F69622, Univ Lyon, Lyon, France
| | - Elvire Servien
- Orthopaedics Surgery and Sports Medicine Department, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.,LIBM, EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, Lyon, France
| | - Laurence Cheze
- Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, F69622, Univ Lyon, Lyon, France
| | - Sébastien Lustig
- Orthopaedics Surgery and Sports Medicine Department, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.,Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, F69622, Univ Lyon, Lyon, France
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Adamska O, Modzelewski K, Szymczak J, Świderek J, Maciąg B, Czuchaj P, Poniatowska M, Wnuk A. Robotic-Assisted Total Knee Arthroplasty Utilizing NAVIO, CORI Imageless Systems and Manual TKA Accurately Restore Femoral Rotational Alignment and Yield Satisfactory Clinical Outcomes: A Randomized Controlled Trial. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020236. [PMID: 36837438 PMCID: PMC9963242 DOI: 10.3390/medicina59020236] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/17/2023] [Accepted: 01/25/2023] [Indexed: 01/28/2023]
Abstract
Background and objectives: The introduction of novel techniques in total knee arthroplasty (TKA) aiming to enhance outcomes and satisfaction of the procedure is constantly ongoing. In order to evidence a priority of one, we have conducted a randomized controlled trial with the aim of comparing patient-reported functional outcomes, radiographic outcomes and intraoperative measures between imageless (NAVIO and CORI), robotic-assisted (ra)- TKA (ra-TKA) and manual TKA (mTKA) for primary knee osteoarthritis (KOA). Materials and Methods: A total of 215 patients with the diagnosis of KOA of the knee were randomly assigned to one of the three groups: NAVIO (76 patients) or CORI (71 patients) robotic-assisted TKA, or manual technique (68 patients) TKA. The primary outcome (Knee Injury and Osteoarthritis Outcome Study [KOOS]), Visual Analogue Scale (VAS), Range of motion (ROM), femoral component rotational alignment and the secondary outcomes (surgery time, blood loss, complications, and revision at 12 months after surgery) were compared between three groups. KOOS and VAS were collected at particular follow up visits from each patient individually and ROM in flexion and extension was assessed during the physical examination. Femoral component rotational alignment was measured on the CT scan performed postoperatively utilizing the Berger's method. Statistical significance was set at p < 0.05. Results: Both the ra-TKA groups and mTKA group displayed significant improvements in the majority of the functional outcome scores at 12 months. Despite having more prominent surgery time (NAVIO: mean +44.5 min in comparison to mTKA and CORI: mean +38.5 min in comparison to mTKA), both NAVIO and CORI tend to achieve highly accurate femoral component rotational alignment with mean radiographic scores in NAVIO vs. CORI vs. mTKA of 1.48° vs. 1.33° vs. 3.15° and lower blood loss (NAVIO: 1.74; CORI: 1.51; mTKA: 2.32. Furthermore, the investigation revealed the significant difference in femoral component rotational alignment between mTKA-NAVIO and mTKA-CORI and significantly different KOOS scores in NAVIO vs. CORI vs. mTKA of 87.05 vs. 85.59 vs. 81.76. Furthermore, the KOOS analysis showed between group significant statistical differences, but did not reach minimal clinically significant difference. There were no differences in postoperative ROM and VAS. There were no differences in complications between groups. Conclusions: To achieve a successful TKA, the precise tool and individualised objective is of great importance. The results suggest satisfactory results after both ra-TKA methods and mTKA. Ra-TKA and mTKA stand for a safe and reliable treatment method for OA. Patients reported excellent alleviation in functional outcomes and the radiological results revealed that the better precision does not necessarily lead to a better outcome. Therefore, ra-TKA does not imply strong enough advantages in comparison to the manual method, especially in terms of cost-efficiency and surgical time.
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Affiliation(s)
- Olga Adamska
- Orthopedic and Rehabilitation Department, Medical University of Warsaw, 61 Żwirki i Wigury St., 02-091 Warsaw, Poland
- Correspondence:
| | - Krzysztof Modzelewski
- Orthopedic and Rehabilitation Department, Medical University of Warsaw, 61 Żwirki i Wigury St., 02-091 Warsaw, Poland
| | - Jakub Szymczak
- Orthopedic and Rehabilitation Department, Medical University of Warsaw, 61 Żwirki i Wigury St., 02-091 Warsaw, Poland
| | - Jakub Świderek
- Faculty of Medicine, Medical University of Bialystok, 1 Jana Kilińskiego St., 15-089 Bialystok, Poland
| | - Bartosz Maciąg
- Orthopedic and Rehabilitation Department, Medical University of Warsaw, 61 Żwirki i Wigury St., 02-091 Warsaw, Poland
| | - Paweł Czuchaj
- Orthopedic and Rehabilitation Department, Medical University of Warsaw, 61 Żwirki i Wigury St., 02-091 Warsaw, Poland
| | | | - Artur Wnuk
- Hospital in Ostrow Mazowiecka, 68 Dubois St., 07-300 Ostrów Mazowiecka, Poland
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Shearman AD, Sephton BM, Wilson J, Nathwani DK. Robotic-assisted unicompartmental knee arthroplasty is associated with earlier discharge from physiotherapy and reduced length-of-stay compared to conventional navigated techniques. Arch Orthop Trauma Surg 2021; 141:2147-2153. [PMID: 34652516 DOI: 10.1007/s00402-021-04207-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 09/29/2021] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Computer-assisted surgery (CAS) has been used to improve intraoperative accuracy to restore patient's anatomy and joint kinematics. It is not yet known whether robotic systems provide significant benefits over established navigation techniques. MATERIALS AND METHODS Thirty-one patients underwent robotic-assisted UKA (RA-UKA) over a 14-month period. Length of operation, transfusion requirements, time to discharge, range-of-motion and analgesia requirements were compared to a similar cohort of 31 patients who had received UKA using computer-assisted surgery (CAS-UKA). RESULTS All patients in the RA-UKA and CAS-UKA groups underwent surgery without conversion to conventional techniques. Both cohorts were similar apart from mean BMI (RA-UKA-group 28.5 vs 32.2; p < 0.05). There was a higher percentage of females in the CAS-UKA group (68% vs 45%, p = 0.12). Minor complication rates were the same in both groups (4/31, 12.9%). Mean operating time was longer in the RA-UKA group (104.8 vs 85.6 min; p < 0.001). No patients required post-operative transfusion in either group and there was no significant difference in haemoglobin level drop or analgesia requirements at any time point. Patients in the RA-UKA group achieved straight leg raise without lag sooner (23 vs 37.5 h; p = 0.004) and demonstrated increased range-of-motion on discharge (81.4° vs 64.5°; p < 0.001). Patients in the RA-UKA group were discharged from physiotherapy services earlier than the CAS-UKA group (42.5 vs 49 h; p = 0.02) and discharged from hospital significantly sooner (46 vs 74 h; p = 0.005). CONCLUSIONS RA-UKA is safe and reproducible, comparable to traditional navigation. Patients undergoing RA-UKA achieve straight leg raise and discharge from physiotherapy sooner than with navigation alone. LEVEL OF EVIDENCE III (Therapeutic) Retrospective Cohort Study.
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Affiliation(s)
- A D Shearman
- Department of Orthopaedic Surgery, Imperial College Healthcare NHS Trust, London, UK.
| | - B M Sephton
- Department of Orthopaedic Surgery, Imperial College Healthcare NHS Trust, London, UK
| | - J Wilson
- Department of Anaesthetics, Imperial College Healthcare NHS Trust, London, UK
| | - D K Nathwani
- Department of Orthopaedic Surgery, Imperial College Healthcare NHS Trust, London, UK
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Blyth MJG, Banger MS, Doonan J, Jones BG, MacLean AD, Rowe PJ. Early outcomes after robotic arm-assisted bi-unicompartmental knee arthroplasty compared with total knee arthroplasty: a prospective, randomized controlled trial. Bone Joint J 2021; 103-B:1561-1570. [PMID: 34587803 PMCID: PMC9948427 DOI: 10.1302/0301-620x.103b10.bjj-2020-1919.r2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIMS The aim of this study was to compare the clinical outcomes of robotic arm-assisted bi-unicompartmental knee arthroplasty (bi-UKA) with conventional mechanically aligned total knee arthroplasty (TKA) during the first six weeks and at one year postoperatively. METHODS A per protocol analysis of 76 patients, 43 of whom underwent TKA and 34 of whom underwent bi-UKA, was performed from a prospective, single-centre, randomized controlled trial. Diaries kept by the patients recorded pain, function, and the use of analgesics daily throughout the first week and weekly between the second and sixth weeks. Patient-reported outcome measures (PROMs) were compared preoperatively, and at three months and one year postoperatively. Data were also compared longitudinally and a subgroup analysis was conducted, stratified by preoperative PROM status. RESULTS Both operations were shown to offer comparable outcomes, with no significant differences between the groups across all timepoints and outcome measures. Both groups also had similarly low rates of complications. Subgroup analysis for preoperative psychological state, activity levels, and BMI showed no difference in outcomes between the two groups. CONCLUSION Robotic arm-assisted, cruciate-sparing bi-UKA offered similar early clinical outcomes and rates of complications to a mechanically aligned TKA, both in the immediate postoperative period and up to one year following surgery. Further work is required to identify which patients with osteoarthritis of the knee will derive benefit from a cruciate-sparing bi-UKA. Cite this article: Bone Joint J 2021;103-B(10):1561-1570.
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Affiliation(s)
- Mark J. G. Blyth
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK,Correspondence should be sent to Mark J. G. Blyth. E-mail:
| | - Matthew S. Banger
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
| | - James Doonan
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Bryn G. Jones
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Angus D. MacLean
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Philip J. Rowe
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
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Mittal A, Meshram P, Kim TK. What is the evidence for clinical use of advanced technology in unicompartmental knee arthroplasty? Int J Med Robot 2021; 17:e2302. [PMID: 34196097 DOI: 10.1002/rcs.2302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/20/2021] [Accepted: 06/14/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND With an aim of improving prosthesis survivorship of unicompartmental knee arthroplasty (UKA), use of computer-assisted technologies (CATs) such as robotics, has been on the rise to reduce intraoperative errors in surgical technique. In light of recent influx of CATs in the UKA, a review of these innovations will help providers to understand their clinical utility. METHOD A systematic literature search was performed following Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. RESULTS Among 19 studies comparing robot-assisted UKA with conventional UKA, only 32% were randomized control trials, 47% reported minimum mean follow-up of 2 years, and 21% evaluated prosthesis survival. Similar results were obtained for navigation-assisted UKA and UKA performed with patient-specific instrumentation. CONCLUSION While CATs seem to reduce the surgical errors in UKA, the evidence on the efficacy of any of the studied CATs to improve survivorship remains limited and there are issues related to cost-effectiveness, learning curve, and increase in operating time.
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Affiliation(s)
- Anurag Mittal
- Department of Orthopedics, Max Super Speciality Hospital, Dehradun, Uttarakhand, India
| | - Prashant Meshram
- Department of Orthopedics, Johns Hopkins University, Baltimore, Maryland, USA
| | - Tae Kyun Kim
- TK Orthopaedic Institution, Seongnam, Bundang, South Korea
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Banger M, Doonan J, Rowe P, Jones B, MacLean A, Blyth MJB. Robotic arm-assisted versus conventional medial unicompartmental knee arthroplasty: five-year clinical outcomes of a randomized controlled trial. Bone Joint J 2021; 103-B:1088-1095. [PMID: 34058870 PMCID: PMC8153511 DOI: 10.1302/0301-620x.103b6.bjj-2020-1355.r2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aims Unicompartmental knee arthroplasty (UKA) is a bone-preserving treatment option for osteoarthritis localized to a single compartment in the knee. The success of the procedure is sensitive to patient selection and alignment errors. Robotic arm-assisted UKA provides technological assistance to intraoperative bony resection accuracy, which is thought to improve ligament balancing. This paper presents the five-year outcomes of a comparison between manual and robotically assisted UKAs. Methods The trial design was a prospective, randomized, parallel, single-centre study comparing surgical alignment in patients undergoing UKA for the treatment of medial compartment osteoarthritis (ISRCTN77119437). Participants underwent surgery using either robotic arm-assisted surgery or conventional manual instrumentation. The primary outcome measure (surgical accuracy) has previously been reported, and, along with secondary outcomes, were collected at one-, two-, and five-year timepoints. Analysis of five-year results and longitudinal analysis for all timepoints was performed to compare the two groups. Results Overall, 104 (80%) patients of the original 130 who received surgery were available at five years (55 robotic, 49 manual). Both procedures reported successful results over all outcomes. At five years, there were no statistical differences between the groups in any of the patient reported or clinical outcomes. There was a lower reintervention rate in the robotic arm-assisted group with 0% requiring further surgery compared with six (9%) of the manual group requiring additional surgical intervention (p < 0.001). Conclusion This study has shown excellent clinical outcomes in both groups with no statistical or clinical differences in the patient-reported outcome measures. The notable difference was the lower reintervention rate at five years for roboticarm-assisted UKA when compared with a manual approach. Cite this article: Bone Joint J 2021;103-B(6):1088–1095.
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Affiliation(s)
- Matthew Banger
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
| | - James Doonan
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Philip Rowe
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
| | - Bryn Jones
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Angus MacLean
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Mark J B Blyth
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
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Liu P, Lu FF, Liu GJ, Mu XH, Sun YQ, Zhang QD, Wang WG, Guo WS. Robotic-assisted unicompartmental knee arthroplasty: a review. ARTHROPLASTY 2021; 3:15. [PMID: 35236463 PMCID: PMC8796542 DOI: 10.1186/s42836-021-00071-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 01/21/2021] [Indexed: 11/10/2022] Open
Abstract
Purpose Presented here is an up-to-date review concerning robotic-assisted unicompartmental knee arthroplasty (rUKA), including its rationale, operative system, pros and cons. Methods We did a systematic research in electronic databases, including PubMed, Cochrane Library, Web of Science, and Embase up to March 30, 2020 to retrieve literature pertaining to rUKA. The search strategies “(robotic* AND knee arthroplasty OR knee replacement)” and “(knee arthroplasty OR knee replacement NOT total)” were used. Studies describing rUKA and clinical trials, dry bone or cadaveric researches regarding technologies, positioning, alignment, function, or survivorship of implants were included in this review. All retrieved studies were first browsed for eligibility on the basis of title and abstract, and the selected studies were further evaluated by reading full text for final inclusion. Results Robotic-assisted technology has been found to increase the accuracy of bone preparation and implant placement, reduce technical variability and outliers, and enhance reproduction of limb alignment. Additionally, early clinical outcomes were excellent, but mid-term follow-up showed no superiority in component survivorship. The potential drawbacks of the robotic-assisted technology include relatively-low time- and cost-effectiveness, development of some rUKA-related complications, and lack of support by high-quality literature. Conclusion This review shows that rUKA can decrease the number of outliers concerning the optimal implant positioning and limb alignment. However, due to absence of extensive studies on clinical outcomes and long-term results, it remains unclear whether the improved component positioning translates to better clinical outcomes or long-term survivorship of the implant. Nevertheless, since an accurate implant position is presumably beneficial, robotic-assisted technology is worth recommendation in UKA.
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Affiliation(s)
- Pei Liu
- Department of Adult Joint Reconstruction, Henan Luoyang Orthopaedic Hospital (Henan Provincial Orthopaedic Hospital), Yongping Road, Zhengdong New District, Zhengzhou, China
| | - Fei-Fan Lu
- China-Japan Friendship School of Clinical Medicine, Peking University, Yinghuadong Road, Chaoyang District, Beijing, China
| | - Guo-Jie Liu
- Department of Adult Joint Reconstruction, Henan Luoyang Orthopaedic Hospital (Henan Provincial Orthopaedic Hospital), Yongping Road, Zhengdong New District, Zhengzhou, China
| | - Xiao-Hong Mu
- Department Orthopedics 4, Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, China
| | - Yong-Qiang Sun
- Department of Adult Joint Reconstruction, Henan Luoyang Orthopaedic Hospital (Henan Provincial Orthopaedic Hospital), Yongping Road, Zhengdong New District, Zhengzhou, China
| | - Qi-Dong Zhang
- Department of Orthopaedic Surgery, Beijing Key Lab Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, No. 2, Yinghuadong Road, Chaoyang District, Beijing, 100029, China
| | - Wei-Guo Wang
- Department of Orthopaedic Surgery, Beijing Key Lab Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, No. 2, Yinghuadong Road, Chaoyang District, Beijing, 100029, China
| | - Wan-Shou Guo
- Department of Orthopaedic Surgery, Beijing Key Lab Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, No. 2, Yinghuadong Road, Chaoyang District, Beijing, 100029, China.
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12
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DeFrance MJ, Yayac MF, Courtney PM, Squire MW. The Impact of Author Financial Conflicts on Robotic-Assisted Joint Arthroplasty Research. J Arthroplasty 2021; 36:1462-1469. [PMID: 33199093 DOI: 10.1016/j.arth.2020.10.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/08/2020] [Accepted: 10/20/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Recent studies have suggested clinical superiority with robotic-assisted arthroplasty compared to traditional techniques. However, concerns exist regarding the author's financial conflicts of interest (COI), which may influence research outcomes. This study aimed to determine whether COI relating to robotic-assisted arthroplasty influences the results of published outcomes following total hip (THA), total knee (TKA), and unicompartmental knee arthroplasty (UKA). METHODS We performed a systematic review to identify all studies evaluating the use of robotics in THA, TKA, and UKA. An author's financial COI was identified if they reported a relevant disclosure through the American Academy of Orthopedic Surgeons or within the study article. We then queried the Open Payments website to record all payments made from a robotic company in the year prior to publication. Each study was categorized as either favoring robotics (n = 42), neutral (n = 10), or favoring traditional techniques (n = 2). We then compared the number of conflicted authors, journal impact factor, level of evidence, and mean annual industry payment to each author. RESULTS Of the 54 studies meeting inclusion criteria, 49 (91%) had an author financial COI. Conflicted studies were more likely to report favorable results of robotics than nonconflicted studies. When compared to studies favoring conventional techniques, those demonstrating favorable robotics outcomes had a higher number of conflicted authors and a higher mean industry payment per author. There was no difference in the level of evidence or journal impact factor. DISCUSSION Nearly all studies comparing robotic THA, TKA, and UKA to conventional techniques involve financially conflicted authors. Further studies without COI may provide unbiased results.
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Affiliation(s)
| | - Michael F Yayac
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA
| | - P Maxwell Courtney
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA
| | - Matthew W Squire
- University of Wisconsin School of Medicine and Public Health, Madison, WI
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13
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Garfjeld Roberts P, Glasbey JC, Abram S, Osei‐Bordom D, Bach SP, Beard DJ. Research quality and transparency, outcome measurement and evidence for safety and effectiveness in robot-assisted surgery: systematic review. BJS Open 2020; 4:1084-1099. [PMID: 33052029 PMCID: PMC7709372 DOI: 10.1002/bjs5.50352] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 08/13/2020] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Robot-assisted surgery (RAS) has potential panspecialty surgical benefits. High-quality evidence for widespread implementation is lacking. This systematic review aimed to assess the RAS evidence base for the quality of randomized evidence on safety and effectiveness, specialty 'clustering', and outcomes for RAS research. METHODS A systematic review was undertaken according to PRISMA guidelines. All pathologies and procedures utilizing RAS were included. Studies were limited to RCTs, the English language and publication within the last decade. The main outcomes selected for the review design were safety and efficacy, and study purpose. Secondary outcomes were study characteristics, funding and governance. RESULTS Searches identified 7142 titles, from which 183 RCTs were identified for data extraction. The commonest specialty was urology (35·0 per cent). There were just 76 unique study populations, indicating significant overlap of publications; 103 principal studies were assessed further. Only 64·1 per cent of studies reported a primary outcome measure, with 29·1 per cent matching their registration/protocol. Safety was assessed in 68·9 per cent of trials; operative complications were the commonest measure. Forty-eight per cent of trials reported no significant difference in safety between RAS and comparator, and 11 per cent reported RAS to be superior. Efficacy or effectiveness was assessed in 80·6 per cent of trials; 43 per cent of trials showed no difference between RAS and comparator, and 24 per cent reported that RAS was superior. Funding was declared in 47·6 per cent of trials. CONCLUSION The evidence base for RAS is of limited quality and variable transparency in reporting. No patterns of harm to patients were identified. RAS has potential to be beneficial, but requires continued high-quality evaluation.
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Affiliation(s)
- P. Garfjeld Roberts
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal SciencesUniversity of OxfordUK
| | | | - S. Abram
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal SciencesUniversity of OxfordUK
| | | | - S. P. Bach
- Academic Department of SurgeryUK
- Diagnostics, Drugs, Devices and Biomarkers (D3B) and University of BirminghamBirminghamUK
- Royal College of Surgeons of EnglandLondonUK
| | - D. J. Beard
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal SciencesUniversity of OxfordUK
- Royal College of Surgeons Surgical Intervention Trials UnitOxfordUK
- Royal College of Surgeons of EnglandLondonUK
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Stübig T, Windhagen H, Krettek C, Ettinger M. Computer-Assisted Orthopedic and Trauma Surgery. DEUTSCHES ARZTEBLATT INTERNATIONAL 2020; 117:793-800. [PMID: 33549155 PMCID: PMC7947640 DOI: 10.3238/arztebl.2020.0793] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/06/2020] [Accepted: 08/24/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND There are many ways in which computer-assisted orthopedic and trauma surgery (CAOS) procedures can help surgeons to plan and execute an intervention. METHODS This study is based on data derived from a selective search of the literature in the PubMed database, supported by a Google Scholar search. RESULTS For most applications the evidence is weak. In no sector did the use of computer-assisted surgery yield any relevant clinical or functional improvement. In trauma surgery, 3D-navigated sacroiliac screw fixation has become clinically established for the treatment of pelvic fractures. One randomized controlled trial showed a reduction in the rate of screw misplacement: 0% with 3D navigation versus 20.4% with the conventional procedure und 16.6% with 2D navigation. Moreover, navigation-assisted pedicle screw stabilization lowers the misplacement rate. In joint replacements, the long-term results showed no difference in respect of clinical/functional scores, the time for which the implant remained in place, or aseptic loosening. CONCLUSION Computer-assisted procedures can improve the precision of certain surgical interventions. Particularly in joint replacement and spinal surgery, the research is moving away from navigation in the direction of robotic procedures. Future studies should place greater emphasis on clinical and functional results.
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Affiliation(s)
- Timo Stübig
- Department of Traumatology, Hannover Medical School
| | - Henning Windhagen
- Department of Orthopedic Surgery, Hannover Medical School, Annastift
| | | | - Max Ettinger
- Department of Orthopedic Surgery, Hannover Medical School, Annastift
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Robotic-assisted surgery in medial unicompartmental knee arthroplasty: does it improve the precision of the surgery and its clinical outcomes? Systematic review. J Robot Surg 2020; 15:165-177. [PMID: 33111233 DOI: 10.1007/s11701-020-01162-8] [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: 04/24/2020] [Accepted: 10/18/2020] [Indexed: 10/23/2022]
Abstract
There is a high prevalence of knee osteoarthritis that affects only the medial tibiofemoral compartment. In this group of patients with severe disease, the medial unicompartmental knee arthroplasty (UKA) is an excellent choice. However, this technique has a great learning curve due to the lower tolerance of improper positioning and alignment. In this context, the robotic-assisted surgery (RAS) arises as an option to improve the accuracy and secondarily enhance the clinical outcomes related to the UKA. The objective in this study is to determine if there are significant advantages with the use of RAS over conventional surgery (CS). In the systematic review of the literature, classification of the results in three main subjects: (A) precision and alignment; (B) functional results and clinical parameters; (C) survivorship. We found 272 studies, of which 15 meet the inclusion and exclusion criteria. There is mostly described that RAS significantly improves the accuracy in position (80-100% of planned versus performed P < 0.05), alignment (2-3 times less error variance P < 0.05) and selection of the proper size of the implants (69.23% of correct size femoral implants versus 16.67% using CS P < 0.0154). Recently, there is mild evidence about benefits in the early rehabilitation and post-operative pain, but in all studies reviewed, there is no advantages of RAS in the long-term functional evaluation. There is no strong literature that supports a longer survival of the prothesis with RAS, being the longest mean follow-up reported of 29.6 months. RAS is a useful tool in increasing the precision of the medial UKA implant placement. However, there is still a lack of evidence that properly correlates this improvement in accuracy with better clinical, functional and survival results.
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Casaroli G, Villa T, Bianchi A, Caboni E, Malerba F, Galbusera F, Martinelli N. In vivo kinematics of fixed-bearing total ankle arthroplasty. Foot Ankle Surg 2020; 26:371-377. [PMID: 31064700 DOI: 10.1016/j.fas.2019.04.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 04/17/2019] [Accepted: 04/20/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND A good recovery of the physiological mobility of the ankle is an indication of patients' satisfaction after total ankle arthroplasty, which does not generally match that of other consolidated procedures such as hip and knee replacement. The aim of this study was to investigate the kinematics of the Zimmer Total Metal Total Ankle (ZTMTA) during the different exercises. METHODS Fifteen patients with ZTMTA were enrolled in this study. The patients performed non-weightbearing flexion-extension, stair climbing and descending, and fluoroscopic images were taken to capture the ankle movements. A combined images/three-dimensional models method was used to perform a kinematic analysis. RESULTS Plantar-dorsiflexion resulted the main plane of movement, with the largest range of motion (ROM) of 23.3 ± 9.0° during flexion-extension. Inversion-eversion and adduction-abduction resulted lower than 10° in any trials. CONCLUSIONS In the investigated population, the ZTMTA allowed a good recovery of the mobility, with ROMs comparable to the healthy subjects.
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Affiliation(s)
- Gloria Casaroli
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy.
| | - Tomaso Villa
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy; Laboratory of Biological Structure Mechanics, Department of Chemistry, Materials and Chemical Engineering Giulio Natta, Politecnico di Milano, Piazza Leonardo Da Vinci 32, 20133, Milan, Italy.
| | - Alberto Bianchi
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Eleonora Caboni
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Francesco Malerba
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Fabio Galbusera
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy.
| | - Nicolò Martinelli
- IRCCS Istituto Ortopedico Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy.
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Lee JA, Koh YG, Kang KT. Biomechanical and Clinical Effect of Patient-Specific or Customized Knee Implants: A Review. J Clin Med 2020; 9:jcm9051559. [PMID: 32455733 PMCID: PMC7290390 DOI: 10.3390/jcm9051559] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 01/22/2023] Open
Abstract
(1) Background: Although knee arthroplasty or knee replacement is already an effective clinical treatment, it continues to undergo clinical and biomechanical improvements. For an increasing number of conditions, prosthesis based on an individual patient's anatomy is a promising treatment. The aims of this review were to evaluate the clinical and biomechanical efficacy of patient-specific knee prosthesis, explore its future direction, and summarize any published comparative studies. (2) Methods: We searched the PubMed, MEDLINE, Embase, and Scopus databases for articles published prior to February 1, 2020, with the keywords "customized knee prosthesis" and "patient-specific knee prosthesis". We excluded patient-specific instrument techniques. (3) Results: Fifty-seven articles met the inclusion criteria. In general, clinical improvement was greater with a patient-specific knee prosthesis than with a conventional knee prosthesis. In addition, patient-specific prosthesis showed improved biomechanical effect than conventional prosthesis. However, in one study, patient-specific unicompartmental knee arthroplasty showed a relatively high rate of aseptic loosening, particularly femoral component loosening, in the short- to medium-term follow-up. (4) Conclusions: A patient-specific prosthesis provides a more accurate resection and fit of components, yields significant postoperative improvements, and exhibits a high level of patient satisfaction over the short to medium term compared with a conventional prosthesis. However, the tibial insert design of the current patient-specific knee prosthesis does not follow the tibial plateau curvature.
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Affiliation(s)
- Jin-Ah Lee
- Department of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seoul 03722, Korea;
| | - Yong-Gon Koh
- Department of Orthopaedic Surgery, Yonsei Sarang Hospital, 10 Hyoryeong-ro, Seocho-gu, Seoul 06698, Korea;
| | - Kyoung-Tak Kang
- Department of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seoul 03722, Korea;
- Correspondence: ; Tel.: +82-2-588-1006
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Leelasestaporn C, Tarnpichprasert T, Arirachakaran A, Kongtharvonskul J. Comparison of 1-year outcomes between MAKO versus NAVIO robot-assisted medial UKA: nonrandomized, prospective, comparative study. Knee Surg Relat Res 2020; 32:13. [PMID: 32660619 PMCID: PMC7219215 DOI: 10.1186/s43019-020-00030-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/07/2020] [Indexed: 11/23/2022] Open
Abstract
Background We have conducted a prospective cohort study with the aim of comparing operative time, intraoperative blood loss, and radiologic and clinical outcomes between imageless (NAVIO) and image-based (MAKO) robot-assisted unicompartmental knee arthroplasty (UKA) for medial compartment osteoarthritis (OA) of the knee. Methods A total of 33 patients with medial compartment OA of the knee were prospectively allocated on alternate operative days of their surgery to MAKO (16 patients) or NAVIO (17 patients) robot-assisted UKA. The primary outcome (Knee Society Score [KSS] and Knee Functional Score [KFS]) and the secondary outcomes (intraoperative time of seven steps [registration of hip and ankle, femur and tibia, ligament tension, implant planning, preparation femur, tibia and trial implant], component alignment [coronal and sagittal of femur, tibia implant], blood loss, complications, and revision at 1 year after surgery) were compared between two groups. Statistical significance was set at P < 0.05. Results Mean KSS measured at baseline and 1 year were, respectively, 70.3 (5.6) and 96.9 (5.7) in the NAVIO group and 72.3 (4.5) and 94.7 (10.01) in the MAKO group. Mean KFS measured at baseline and 1 year were, respectively, 95.5 (7.9) and 99.9 (0.25) in the NAVIO group and 67.3 (7.8) and 99.5 (1.2) in the MAKO group. There were no significant differences for KFS and KSS outcomes (P = 0.203 and P = 0.457, respectively) between the NAVIO and MAKO groups. Mean operative time and blood loss in the NAVIO versus MAKO robot-assisted UKA groups were 98 min versus 82.5 min and 136.3 ml versus 80 ml, respectively, and these differences were statistically significant. In the MAKO group, the intraoperative time was statistically significantly shorter in registration of hip and ankle center, femur and tibia, femur preparation, and trial implantation compared with the NAVIO group. There were no significant differences of component alignment and radiologic alignment at 1 year between the two groups. No perioperative or delayed complications (infection, periprosthetic fracture, thromboembolism, and compromised wound healing) and revisions were reported in either group. Conclusions This study demonstrated that two robotic systems showed no difference in clinical outcomes at 1 year and radiologic alignment of implants, whereas operative time and intraoperative blood loss were found to be less in MAKO robot-assisted UKA. Trial registration ClinicalTrials.gov, NCT03954912. Registered on 17 May 2019. Level of evidence II
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Affiliation(s)
| | | | | | - Jatupon Kongtharvonskul
- Section for Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Bangkok, Thailand. .,Orthopedic Department, Payathai 3 Hospital, Bangkok, Thailand.
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吴 东, 杨 敏, 曹 正, 孔 祥, 王 毅, 郭 人, 柴 伟. [Research progress in unicompartmental knee arthroplasty]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:145-150. [PMID: 32030942 PMCID: PMC8171978 DOI: 10.7507/1002-1892.201906085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 11/24/2019] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To summarize the clinical application and research progress in unicompartmental knee arthroplasty (UKA). METHODS The literature related to UKA in recent years was reviewed and the emerging indications, implant options, comparisons between other surgical techniques, and recent advances were summarized. RESULTS Clinical studies show that UKA has many advantages, such as less trauma, faster recovery, and fewer postoperative complications. At present, the operative indication has been expanded. The body mass index more than 25 kg/m 2, less than 60 years old, patellofemoral arthritis, and anterior cruciate ligament dysfunction are no longer considered as contraindications. The prosthesis type in UKA should be selected according to the patient's condition. In recent years, the robot-assisted UKA can effectively improve the effectiveness, improve patient satisfaction, and reduce postoperative complications. CONCLUSION With the development of surgical techniques, designs of prosthesis, and the robotic technology, UKA would be further applicated. As more long-term data on UKA become available, it will further guide clinicians in counseling patients on whether UKA should be performed.
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Affiliation(s)
- 东 吴
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
| | - 敏之 杨
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
- 南开大学医学院(天津 300071)Medicine School of Nankai University, Tianjin, 300071, P.R.China
| | - 正 曹
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
- 南开大学医学院(天津 300071)Medicine School of Nankai University, Tianjin, 300071, P.R.China
| | - 祥朋 孔
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
| | - 毅 王
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
| | - 人文 郭
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
| | - 伟 柴
- 中国人民解放军总医院第一医学中心骨科(北京 100853)Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China
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Burger JA, Kleeblad LJ, Laas N, Pearle AD. Mid-term survivorship and patient-reported outcomes of robotic-arm assisted partial knee arthroplasty. Bone Joint J 2020; 102-B:108-116. [DOI: 10.1302/0301-620x.102b1.bjj-2019-0510.r1] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aims Limited evidence is available on mid-term outcomes of robotic-arm assisted (RA) partial knee arthroplasty (PKA). Therefore, the purpose of this study was to evaluate mid-term survivorship, modes of failure, and patient-reported outcomes of RA PKA. Methods A retrospective review of patients who underwent RA PKA between June 2007 and August 2016 was performed. Patients received a fixed-bearing medial or lateral unicompartmental knee arthroplasty (UKA), patellofemoral arthroplasty (PFA), or bicompartmental knee arthroplasty (BiKA; PFA plus medial UKA). All patients completed a questionnaire regarding revision surgery, reoperations, and level of satisfaction. Knee Injury and Osteoarthritis Outcome Scores (KOOS) were assessed using the KOOS for Joint Replacement Junior survey. Results Mean follow-up was 4.7 years (2.0 to 10.8). Five-year survivorship of medial UKA (n = 802), lateral UKA (n = 171), and PFA/BiKA (n = 35/10) was 97.8%, 97.7%, and 93.3%, respectively. Component loosening and progression of osteoarthritis (OA) were the most common reasons for revision. Mean KOOS scores after medial UKA, lateral UKA, and PFA/BiKA were 84.3 (SD 15.9), 85.6 (SD 14.3), and 78.2 (SD 14.2), respectively. The vast majority of the patients reported high satisfaction levels after RA PKA. Subgroup analyses suggested tibial component design, body mass index (BMI), and age affects RA PKA outcomes. Five-year survivorship was 98.4% (95% confidence interval (CI) 97.2 to 99.5) for onlay medial UKA (n = 742) and 99.1% (95% CI 97.9 to 100) for onlay medial UKA in patients with a BMI < 30 kg/m2 (n = 479). Conclusion This large single-surgeon study showed high mid-term survivorship, satisfaction levels, and functional outcomes in RA UKA using metal-backed tibial onlay components. In addition, favourable results were reported in RA PFA and BiKA. Cite this article: Bone Joint J 2020;102-B(1):108–116
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Affiliation(s)
- Joost A. Burger
- Department of Orthopaedic Surgery and Computer Assisted Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Laura J. Kleeblad
- Department of Orthopaedic Surgery and Computer Assisted Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Niels Laas
- Department of Orthopaedic Surgery and Computer Assisted Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Andrew D. Pearle
- Department of Orthopaedic Surgery and Computer Assisted Surgery, Hospital for Special Surgery, New York, New York, USA
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Park KK, Han CD, Yang IH, Lee WS, Han JH, Kwon HM. Robot-assisted unicompartmental knee arthroplasty can reduce radiologic outliers compared to conventional techniques. PLoS One 2019; 14:e0225941. [PMID: 31794587 PMCID: PMC6890211 DOI: 10.1371/journal.pone.0225941] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 11/15/2019] [Indexed: 11/24/2022] Open
Abstract
Background The aim of this study was to compare the clinical and radiologic outcomes of robot-assisted unicompartmental knee arthroplasty (UKA) to those of conventional UKA in Asian patients. Methods Fifty-five patients underwent robot-assisted UKA and 57 patients underwent conventional UKA were assessed in this study. Preoperative and postoperative range of motion (ROM), American Knee Society (AKS) score, Western Ontario McMaster University Osteoarthritis Index scale score (WOMAC), and patellofemoral (PF) score values were compared between the two groups. The mechanical femorotibial angle (mFTA) and Kennedy zone were also measured. Coronal alignments of the femoral and tibial components and posterior slopes of the tibial component were compared. Additionally, polyethylene (PE) liner thicknesses were compared. Results There was no significant difference between the two groups regarding postoperative ROM, AKS, WOMAC and PF score. Robot group showed fewer radiologic outliers in terms of mFTA and coronal alignment of tibial and femoral components (p = 0.022, 0.037, 0.003). The two groups showed significantly different PE liner thicknesses (8.4 ± 0.8 versus 8.8 ± 0.9, p = 0.035). Robot group was the only influencing factor for reducing radiologic outlier (postoperative mFTA) in multivariate model (odds ratio: 2.833, p = 0.037). Conclusion In this study, robot-assisted UKA had many advantages over conventional UKA, such as its ability to achieve precise implant insertion and reduce radiologic outliers. Although the clinical outcomes of robot-assisted UKA over a short-term follow-up period were not significantly different compared to those of conventional UKA, longer follow-up period is needed to determine whether the improved radiologic accuracy of the components in robotic-assisted UKA will lead to better clinical outcomes and improved long-term survival.
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Affiliation(s)
- Kwan Kyu Park
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Chang Dong Han
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Ick-Hwan Yang
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Woo-Suk Lee
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Joo Hyung Han
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Hyuck Min Kwon
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, Korea
- * E-mail:
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22
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Zhang F, Li H, Ba Z, Bo C, Li K. Robotic arm-assisted vs conventional unicompartmental knee arthroplasty: A meta-analysis of the effects on clinical outcomes. Medicine (Baltimore) 2019; 98:e16968. [PMID: 31464939 PMCID: PMC6736485 DOI: 10.1097/md.0000000000016968] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 06/25/2019] [Accepted: 08/02/2019] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Robotic arm-assisted unicompartmental knee arthroplasty (UKA) has been recommended for treatment of unicompartmental knee osteoarthritis. However, its effectiveness and safeness remain controversial compared with conventional UKA. Therefore, the goal of this study was to perform a meta-analysis to re-evaluate the effects of robotic arm-assisted UKA on clinical functional outcomes. METHODS PubMed, Embase, and Cochrane Library databases were searched to screen the relevant studies. Continuous data (surgical time, knee excursion during weight acceptance, American knee society score [AKSS], Oxford knee score [OKS], forgotten joint score [FJS], visual analog scale [VAS], and range of motion [ROM]) were pooled using a standardized mean difference (SMD) with their corresponding 95% confidence intervals (CIs) to estimate the effect size, while dichotomous data (complication rate, revision rate) were pooled to obtain the relative risk (RR) with a 95% CI by STATA 13.0 software. RESULTS Eleven studies involving 498 patients undergoing robotic-assisted UKA and 589 patients receiving conventional UKA were included. Our pooled results demonstrated that robotic-assisted could significantly reduce the complication rate (RR: 0.62, 95% CI: 0.45-0.85; P = .0041) and improve the knee excursion during weight acceptance (SMD: 0.62, 95% CI: 0.25-1.00; P = .001), but prolonged the surgical time (SMD: 0.74, 95% CI: 0.40-1.08; P < .001). No significant difference in the revision rate, AKSS, OKS, FJS, VAS, and ROM between robotic-assisted and conventional UKA groups. CONCLUSION This meta-analysis demonstrates robotic-assisted UKA may be an effective and safe surgical procedure for treatment of unicompartmental knee osteoarthritis.
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Affiliation(s)
- Fengjun Zhang
- Department of Spine and Joint Surgery, People's Hospital of Zhanhua District
| | - Hongcai Li
- Department of Medicine, Binzhou Polytechnic College, Binzhou, Shandong, China
| | - Zhaochen Ba
- Department of Spine and Joint Surgery, People's Hospital of Zhanhua District
| | - Chunguang Bo
- Department of Medicine, Binzhou Polytechnic College, Binzhou, Shandong, China
| | - Kai Li
- Department of Spine and Joint Surgery, People's Hospital of Zhanhua District
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23
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Robinson PG, Clement ND, Hamilton D, Blyth MJG, Haddad FS, Patton JT. A systematic review of robotic-assisted unicompartmental knee arthroplasty: prosthesis design and type should be reported. Bone Joint J 2019; 101-B:838-847. [PMID: 31256672 DOI: 10.1302/0301-620x.101b7.bjj-2018-1317.r1] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Robotic-assisted unicompartmental knee arthroplasty (UKA) promises accurate implant placement with the potential of improved survival and functional outcomes. The aim of this study was to present the current evidence for robotic-assisted UKA and describe the outcome in terms of implant positioning, range of movement (ROM), function and survival, and the types of robot and implants that are currently used. MATERIALS AND METHODS A search of PubMed and Medline was performed in October 2018 in line with the Preferred Reporting Items for Systematic Review and Meta-Analysis statement. Search terms included "robotic", "knee", and "surgery". The criteria for inclusion was any study describing the use of robotic UKA and reporting implant positioning, ROM, function, and survival for clinical, cadaveric, or dry bone studies. RESULTS A total of 528 articles were initially identified from the databases and reference lists. Following full text screening, 38 studies that satisfied the inclusion criteria were included. In all, 20 studies reported on implant positioning, 18 on functional outcomes, 16 on survivorship, and six on ROM. The Mako (Stryker, Mahwah, New Jersey) robot was used in 32 studies (84%), the BlueBelt Navio (Blue Belt Technologies, Plymouth, Minnesota) in three (8%), the Sculptor RGA (Stanmore Implants, Borehamwood United Kingdom) in two (5%), and the Acrobot (The Acrobot Co. Ltd., London, United Kingdom) in one study (3%). The most commonly used implant was the Restoris MCK (Stryker). Nine studies (24%) did not report the implant that was used. The pooled survivorship at six years follow-up was 96%. However, when assessing survival according to implant design, survivorship of an inlay (all-polyethylene) tibial implant was 89%, whereas that of an onlay (metal-backed) implant was 97% at six years (odds ratio 3.66, 95% confidence interval 20.7 to 6.46, p < 0.001). CONCLUSION There is little description of the choice of implant when reporting robotic-assisted UKA, which is essential when assessing survivorship, in the literature. Implant positioning with robotic-assisted UKA is more accurate and more reproducible than that performed manually and may offer better functional outcomes, but whether this translates into improved implant survival in the mid- to longer-term remains to be seen. Cite this article: Bone Joint J 2019;101-B:838-847.
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Affiliation(s)
| | - N D Clement
- Department of Orthopaedics and Trauma, University of Edinburgh, Edinburgh, UK
| | - D Hamilton
- Department of Orthopaedics and Trauma, University of Edinburgh, Edinburgh, UK
| | - M J G Blyth
- Glasgow Royal Infirmary Orthopaedic Research Unit, Glasgow, UK
| | - Fares S Haddad
- University College London Hospitals, The Princess Grace Hospital, and The NIHR Biomedical Research Centre at UCLH, London, UK
| | - J T Patton
- Department of Orthopaedics and Trauma, University of Edinburgh, Edinburgh, UK
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