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Nagarkatti A, Strecker S, Nagarkatti D, Witmer D. The Role of Imageless Computer-Assisted Navigation During Total Knee Arthroplasty on Femoral Component Sagittal Alignment and Outcomes. Arthroplast Today 2024; 28:101455. [PMID: 39100414 PMCID: PMC11295699 DOI: 10.1016/j.artd.2024.101455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/13/2024] [Accepted: 06/08/2024] [Indexed: 08/06/2024] Open
Abstract
Background While total knee arthroplasty (TKA) is highly successful, 15%-20% of patients are not satisfied postoperatively, which may be due to alignment of the TKA components. Imageless computer navigation was developed to increase implant alignment accuracy and precision, but controversy surrounds the patient benefit of this technology. The target of femoral sagittal alignment and its role in patient-reported outcomes (PROMs) after TKA using assistive technology has not been well-defined. Methods Femoral sagittal alignment, 30-day complications, and PROMs through 1 year were collected retrospectively from unilateral elective TKA patients who underwent surgery between July 2020 and February 2023. Two surgeons equally versed in conventional and imageless navigation techniques participated in patient record identification. Students t-tests and chi-square tests of proportion were used to compare outcomes, 30-day complications, and alignment. Results Completed PROMs were available for 387 patients; 181 in the computer navigation group and 206 in the conventional arthroplasty group. PROMs were statistically significantly different between groups, favoring computer navigation (P = .014 at 12 months). Lateral femoral angle measurements were greater in females who underwent TKA with computer navigation (P < .001). Of note, 14 patients in the conventional technique group returned to the emergency department within 30 days, as compared to 4 in the navigation group (P = .033). Conclusions PROMs are improved in the navigation group compared to the conventional technique group. Fewer patients in the navigation group returned to the emergency department. Navigation appeared to provide a small benefit compared to conventional techniques, though final lateral femoral angle was not predictive of outcomes. Additional surgical characteristics may need to be examined to determine the reasons for the differences in outcomes between these techniques.
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Affiliation(s)
| | - Sara Strecker
- Orthopedics, Bone & Joint Institute, Hartford Hospital, Hartford, CT, USA
| | - Durgesh Nagarkatti
- Orthopedics, Bone & Joint Institute, Hartford Hospital, Hartford, CT, USA
| | - Dan Witmer
- Orthopedics, Bone & Joint Institute, Hartford Hospital, Hartford, CT, USA
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Pagan C, Karasavvidis T, Cohen-Rosenblum A, Hannon CP, Lombardi AV, Vigdorchik J. Technology in Total Knee Arthroplasty in 2023. J Arthroplasty 2024:S0883-5403(24)00751-4. [PMID: 39053667 DOI: 10.1016/j.arth.2024.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/27/2024] Open
Abstract
Over the past few decades, instrumentation and techniques for total knee arthroplasty (TKA) have evolved from conventional manual tools to a wide range of technologies, including calibrated guides for accurate bone cuts and alignment, smart tools, dynamic intraoperative sensors for soft-tissue balancing, patient-specific guides, computer navigation, and robotics. This review is intended to provide an overview of the latest advancements in TKA technology, address potential challenges and solutions related to the application of these technologies, and explore their limitations.
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Affiliation(s)
- Cale Pagan
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA.
| | - Theofilos Karasavvidis
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | | | - Charles P Hannon
- Deparment of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Jonathan Vigdorchik
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
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Hax J, Leuthard L, Baumann G, Preiss S, Stadelmann VA, Worlicek M. Comparable results in total knee arthroplasty using the ROSA knee system versus the conventional technique: A retrospective propensity-matched cohort study. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 38923248 DOI: 10.1002/ksa.12330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 06/06/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024]
Abstract
PURPOSE Robotic-assisted total knee arthroplasty (RA-TKA) is an increasingly popular alternative that may increase the accuracy of conventional TKA techniques. This study aims to evaluate RA-TKA accuracy and compare its radiographic and clinical outcomes to conventional TKA (cTKA). METHODS A retrospective examination of patients with bi- or tricompartmental knee osteoarthritis who underwent RA-TKA (RObotic Surgical Assistant system) or cTKA and were prospectively documented in the TKA registry. Accuracy was assessed using standardized radiographic implant position evaluations, namely femoral and tibial coronal angles and femoral and tibial sagittal angles. Baseline demographics, surgery details and 6- and 12-month post-TKA patient-reported outcomes (PROMs; e.g., Oxford Knee Score [OKS] and Core Outcome Measures Index) were compared between RA-TKA and propensity score-matched cTKA patients. RESULTS Overall correlation between preset and 6-week postoperative angle measurements for RA-TKA was low with significant differences noted only for mean tibial sagittal angles (84.6° [RA-TKA] vs. 82.3° [cTKA]) (p < 0.001). The study groups were demographically similar, although RA-TKA patients had slightly longer operative times and higher blood loss but shorter inpatient stays. There were sustainable improvements in all PROMs already at 6 months, yet RA-TKA patients had significantly higher OKS values over their conventional counterparts at this time point. CONCLUSION Radiological and clinical outcomes were comparable between RA-TKA and cTKA. The robotic-assisted system demonstrated higher accuracy in the coronal than sagittal plane and RA-TKA patients achieved better short-term outcomes for pain and disability. While both methods are similar in the hands of a skilled surgeon, long-term studies are necessary to establish clear method superiority. LEVEL OF EVIDENCE Therapeutic, Level III.
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Affiliation(s)
- Jakob Hax
- Department of Hip and Knee Surgery, Schulthess Klinik, Zurich, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Louis Leuthard
- Department of Research and Development, Schulthess Klinik, Zurich, Switzerland
| | - Gregor Baumann
- Department of Hip and Knee Surgery, Schulthess Klinik, Zurich, Switzerland
| | - Stefan Preiss
- Department of Hip and Knee Surgery, Schulthess Klinik, Zurich, Switzerland
| | | | - Michael Worlicek
- Department of Hip and Knee Surgery, Schulthess Klinik, Zurich, Switzerland
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Tian R, Duan X, Xing F, Zhao Y, Liu C, Li H, Kong N, Cao R, Guan H, Li Y, Li X, Zhang J, Wang K, Yang P, Wang C. Computed tomography radiomics in predicting patient satisfaction after robotic-assisted total knee arthroplasty. Int J Comput Assist Radiol Surg 2024:10.1007/s11548-024-03192-1. [PMID: 38836956 DOI: 10.1007/s11548-024-03192-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/16/2024] [Indexed: 06/06/2024]
Abstract
PURPOSE After robotic-assisted total knee arthroplasty (RA-TKA) surgery, some patients still experience joint discomfort. We aimed to establish an effective machine learning model that integrates radiomic features extracted from computed tomography (CT) scans and relevant clinical information to predict patient satisfaction three months postoperatively following RA-TKA. MATERIALS AND METHODS After careful selection, data from 142 patients were randomly divided into a training set (n = 99) and a test set (n = 43), approximately in a 7:3 ratio. A total of 1329 radiomic features were extracted from the regions of interest delineated in CT scans. The features were standardized using normalization algorithms, and the least absolute shrinkage and selection operator regression model was employed to select radiomic features with ICC > 0.75 and P < 0.05, generating the Rad-score as feature markers. Univariate and multivariate logistic regression was then used to screen clinical information (age, body mass index, operation time, gender, surgical side, comorbidities, preoperative KSS score, preoperative range of motion (ROM), preoperative and postoperative HKA angle, preoperative and postoperative VAS score) as potential predictive factors. The satisfaction scale ≥ 20 indicates patient satisfaction. Finally, three prediction models were established, focusing on radiomic features, clinical features, and their fusion. Model performance was evaluated using Receiver Operating Characteristic curves and decision curve analysis. RESULTS In the training set, the area under the curve (AUC) of the clinical model was 0.793 (95% CI 0.681-0.906), the radiomic model was 0.854 (95% CI 0.743-0.964), and the combined radiomic-clinical model was 0.899 (95% CI 0.804-0.995). In the test set, the AUC of the clinical model was 0.908 (95% CI 0.814-1.000), the radiomic model was 0.709 (95% CI 0.541-0.878), and the combined radiomic-clinical model was 0.928 (95% CI 0.842-1.000). The AUC of the radiomic-clinical model was significantly higher than the other two models. The decision curve analysis indicated its clinical application value. CONCLUSION We developed a radiomic-based nomogram model using CT imaging to predict the satisfaction of RA-TKA patients at 3 months postoperatively. This model integrated clinical and radiomic features and demonstrated good predictive performance and excellent clinical application potential.
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Affiliation(s)
- Run Tian
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xudong Duan
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Fangze Xing
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yiwei Zhao
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - ChengYan Liu
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Heng Li
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ning Kong
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ruomu Cao
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huanshuai Guan
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yiyang Li
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xinghua Li
- Department of Radiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jiewen Zhang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Kunzheng Wang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Pei Yang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
- Department of Radiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
| | - Chunsheng Wang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
- Department of Radiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
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Molho D, Vaidya S, O’Sullivan D, Vye D, Nelson S, Bernstein J. Cemented vs Cementless Robotic-Assisted Total Knee Arthroplasty Yield Similar Short-Term Clinical Outcomes. Arthroplast Today 2024; 27:101360. [PMID: 38690095 PMCID: PMC11058072 DOI: 10.1016/j.artd.2024.101360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/04/2024] [Accepted: 02/27/2024] [Indexed: 05/02/2024] Open
Abstract
Background In primary total knee arthroplasty (TKA), there is ongoing controversy about optimal fixation (cemented vs cementless). Cemented TKA remains the gold standard, with the largest body of long-term evidence available to support it. However, cementless TKA implants are gaining popularity due to potential biomechanical advantages and a growing body of literature supporting survivorship. Due to paucity of literature investigating fixation methods in robotic-assisted TKA (Ra-TKA), we aim to compare clinical outcomes of cementless Ra-TKA with those of cemented Ra-TKA. Methods This is a retrospective cohort study of patients who underwent Ra-TKA by 19 surgeons comparing results of cases using cementless vs cemented fixation. We observed short-term complications, emergency room visits, and readmissions. We collected patient-reported outcomes measurement information system and knee injury and osteoarthritis outcome scores preoperatively and 12 weeks after surgery. Results A total of 582 TKA cases were included: 335 cementless and 247 cemented. The patients in the cementless group were younger and had a higher body mass index. The cemented group had a higher rate of return to the operating room, with manipulation under anesthesia for stiffness being the most common indication in both groups. There were no statistically significant differences in 30-day readmissions, 90-day emergency room visits, or patient-reported outcomes. Conclusions Our retrospective study demonstrated higher return to operating room in the cemented group vs the cementless group. We reported no differences in any other short-term outcomes between the cementless and cemented Ra-TKA. Our data support efficacy and safety of cementless Ra-TKA at 3-month follow-up.
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Affiliation(s)
- David Molho
- Connecticut Orthopaedic Institute, MidState Medical Center, Hartford Healthcare, Bridgeport, CT, USA
| | - Swaroopa Vaidya
- Connecticut Orthopaedic Institute, St. Vincent’s Medical Center, Hartford Healthcare, Bridgeport, CT, USA
| | - David O’Sullivan
- Hartford HealthCare Research Program, Hartford Healthcare, Hartford, CT, USA
| | - Dianne Vye
- Connecticut Orthopaedic Institute, MidState Medical Center, Hartford Healthcare, Bridgeport, CT, USA
| | - Stephen Nelson
- Connecticut Orthopaedic Institute, MidState Medical Center, Hartford Healthcare, Bridgeport, CT, USA
| | - Jenna Bernstein
- Connecticut Orthopaedic Institute, St. Vincent’s Medical Center, Hartford Healthcare, Bridgeport, CT, USA
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Sheridan GA, Abdelmalek M, Howard LC, Neufeld ME, Masri BA, Garbuz DS. Navigated Versus Conventional Total Knee Arthroplasty: A Systematic Review and Meta-analysis of Prospective Randomized Controlled Trials. J Orthop 2024; 50:99-110. [PMID: 38187368 PMCID: PMC10770435 DOI: 10.1016/j.jor.2023.11.070] [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: 09/18/2023] [Accepted: 11/26/2023] [Indexed: 01/09/2024] Open
Abstract
Background Recent evidence on the cost-effectiveness of technology in total knee arthroplasty (TKA) demonstrated that navigated computer-assisted methods (N-TKA) is likely to be most cost-effective in the clinical setting. The aim of the current meta-analysis is to compare radiographic, clinical and functional outcomes between conventional TKA (C-TKA) and N-TKA methods. Methods All prospective randomized controlled trials (pRCTs) comparing primary TKA performed using C-TKA and N-TKA techniques were eligible for inclusion. Radiographic outcomes included postoperative coronal, sagittal and axial component alignment. Clinical outcomes included all-cause revision and aseptic revision. Functional outcomes were analyzed when reported. A random-effects meta-analysis of all available cases was performed. This allowed for all missing data. Results Normal coronal mechanical alignment of the tibial (p < 0.001) and femoral (p = 0.001) components was achieved more frequently with N-TKA. Normal sagittal mechanical alignment of the tibial component was achieved significantly more with N-TKA (p < 0.010). There was no difference in short-term clinical survivorship (all-cause, p = 0.649; aseptic, p = 0.79) or in functional outcomes reported between groups. There was a clinically significant reduction in the mean C-TKA operative time (87 min, σ = 16.6, 95% CI 76.4-98.8) compared N-TKA (97.6 min, σ = 16.9, 95% CI 86.2-109.1) (p = 0.17). Conclusion Navigated TKA achieves superior radiographic alignment for femoral and tibial components in both the coronal and sagittal plane. Operative times are 10 min longer in the N-TKA group. Functional outcomes are similar between navigated and conventional groups. Clinical outcomes reported in Level I studies are limited to short-term follow-up so future prospective studies are required.
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Lee SS, Chang MJ, Cho JH, Oh J, Moon YW. No differences in long-term clinical outcomes and survival rate of navigation-assisted versus conventional primary mobile-bearing total knee arthroplasty: A minimum 10-year follow-up. Knee Surg Sports Traumatol Arthrosc 2024; 32:445-453. [PMID: 38270291 DOI: 10.1002/ksa.12060] [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: 11/22/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/26/2024]
Abstract
PURPOSE This study aimed to compare long-term clinical and radiographic outcomes and survival rates between navigation-assisted (NAV) total knee arthroplasty (TKA) and conventional (CON) TKA using a mobile-bearing insert. METHODS From May 2008 to December 2009, 45 and 63 mobile-bearing TKA patients were enroled in the CON- and NAV-TKA groups with 146.8 months follow-up, respectively. Clinical outcomes (Western Ontario and McMaster University Osteoarthritis Index and Knee Society Scores), radiographic outcomes (hip-knee-ankle [HKA], lateral distal femoral, medial proximal tibial, γ, and δ angles), and survivorship were compared between both groups. RESULTS The number of HKA angle outliers (more than 3 degrees or less than -3 degree) was significantly lower in the NAV-TKA group (24.4% vs. 9.5%, p = 0.036) than in the CON-TKA group. However, long-term clinical outcomes were similar between both groups. The cumulative survival rate (best-case scenario) was 98.3% in the CON-TKA group and 97.5% in the NAV-TKA group, with no significant difference between the groups (p = 0.883). CONCLUSION Long-term clinical outcomes and survival rates were similar between the two groups despite fewer outliers of postoperative lower-limb alignment in the NAV-TKA group. Excellent survival rates were observed in both groups using mobile-bearing inserts. LEVEL OF EVIDENCE Level IV, case series.
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Affiliation(s)
- Sung-Sahn Lee
- Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University School of Medicine, Goyangsi, South Korea
| | - Moon Jong Chang
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, South Korea
| | - Jin-Ho Cho
- Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University School of Medicine, Goyangsi, South Korea
| | - Juyong Oh
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Young-Wan Moon
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Sugimura N, Ozaki K, Aso K, Ikeuchi M. Precision of the ultrasonography-integrated tibial extramedullary guide for total knee arthroplasty. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:967-972. [PMID: 37787971 DOI: 10.1007/s00590-023-03741-5] [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: 08/14/2023] [Accepted: 09/18/2023] [Indexed: 10/04/2023]
Abstract
PURPOSE Precise determination of the tibial mechanical axis in total knee arthroplasty (TKA) requires intraoperative identification of the talus center. We present the ultrasonography-integrated tibial extramedullary guide (USG) that enables real-time visualization of the talus. This study assesses the precision of USG compared to computer-assisted surgery (CAS) and validates the efficacy of USG. METHODS We evaluated 58 patients (62 knees) who underwent primary TKA retrospectively, categorizing them into USG and CAS groups (31 each). We statistically analyzed demographic data, the preoperative alignment of the tibial plateau to the mechanical axis, the postoperative alignment of the tibial component to planned alignment on 3D-CT, pain visual analog scale, and WOMAC scores. Additionally, the frequency of postoperative outlier from planned alignment over 2° was statistically compared. RESULTS No significant differences were observed in the preoperative data between the groups. The accuracy (mean deviation from the planned alignment) in both groups was not statistically different. However, in terms of the precision of coronal alignment, the USG group exhibited lower variance than the CAS group in the F-test (F value = 2.76, p = 0.023). Moreover, there were no postoperative deviations beyond 2 degrees in the USG group, in contrast to a 20% outlier frequency in the CAS group (p = 0.024). Concerning the precision of sagittal alignment (variance and deviations over 2°), no statistical differences were identified. CONCLUSION The USG demonstrated higher precision in the tibial coronal plane than CAS in coronal alignment. Direct identification of the individual talus may enhance precision.
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Affiliation(s)
- Natsuki Sugimura
- Department of Orthopedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-Cho Kohasu, Nankoku, Kochi, 783-8505, Japan.
| | - Kazuki Ozaki
- Department of Orthopedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-Cho Kohasu, Nankoku, Kochi, 783-8505, Japan
| | - Koji Aso
- Department of Orthopedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-Cho Kohasu, Nankoku, Kochi, 783-8505, Japan
| | - Masahiko Ikeuchi
- Department of Orthopedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-Cho Kohasu, Nankoku, Kochi, 783-8505, Japan
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Desai KB, Mulpur P, Jayakumar T, Suhas Masilamani A, Ranjan A, Gurava Reddy A. Adoption of robotics in arthroplasty- a survey of perceptions, utilization and challenges with technology amongst Indian surgeons. J Orthop 2023; 46:51-57. [PMID: 37942218 PMCID: PMC10630109 DOI: 10.1016/j.jor.2023.10.019] [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: 08/04/2023] [Revised: 09/27/2023] [Accepted: 10/25/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction Total joint replacement surgeries are standard procedures for managing end-stage hip or knee arthritis. Despite advances in technology, some patients experience dissatisfaction after total knee arthroplasty (TKA). Robotic technology has evolved significantly and has shown promise in improving component positioning, alignment, and surgical outcomes. However, the widespread adoption of robotics in arthroplasty faces challenges such as high costs, a steep learning curve, and limited evidence on long-term outcomes. Methods This cross-sectional observational study used a structured self-administered online survey to assess the perceptions of Indian arthroplasty surgeons regarding robotic technology. The survey included questions about the surgeon's background, experience, perceptions of robotic joint replacement, and limiting factors for robotic usage. A total of 417 responses were collected from practising arthroplasty surgeons. Results Most participants(78.1 %) expressed a willingness to adopt robotics in their arthroplasty practice if the cost of installation was reduced. Robotic users were more convinced about the benefits of robotics, including improved alignment, reduced pain, faster rehabilitation, and better outcomes. High-volume robotic surgeons demonstrated a greater belief in the broader potential of robotics beyond implant positioning and alignment. The major barriers to adoption were the high cost of installation and limited insurance coverage for robotic-assisted procedures. Lack of formal robotic training opportunities, resistance from corporate management, patient acceptance issues, and limited published literature supporting robotic advantages were also cited as limiting factors. Conclusion Robotic technology is increasingly being adopted in India for TKA. The main obstacle to widespread adoption is the high cost of installation. As technology costs decrease, we can expect a rise in the number of installations across the country. Advocacy from national orthopaedic organizations may be needed to address insurance reimbursement challenges. Overall, this study provides valuable insights into the perceptions and challenges associated with the adoption of robotic technology in arthroplasty in India.
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Affiliation(s)
- Keyur B. Desai
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - Praharsha Mulpur
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - Tarun Jayakumar
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | | | - Abhishek Ranjan
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - A.V. Gurava Reddy
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
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Schönthaler W, Dauwe J, Holzer LA. Patient-specific instrumentation in total knee arthroplasty: a review of the current literature. Acta Orthop Belg 2023; 89:299-306. [PMID: 37924556 DOI: 10.52628/89.2.11543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2023]
Abstract
Total knee arthroplasty (TKA) is one of the most frequently performed interventions in the field of Orthopaedic surgery. Over the last decades the implantation technique has improved continuously. The majority of patients is satisfied with the clinical outcome of TKA. However in various clinical follow-ups, up to 20% of unsatisfied patients can be observed. Periprosthetic infection and aseptic loosening seem to be the most common reasons for failure. Malalignment has been discussed as a cause of aseptic loosening and often leads to revision surgery. In order to increase the precision of implant positioning and alignment, new technologies such as patient-specific instrumentation (PSI) have been developed. Since the introduction of PSI, multiple clinical studies have been performed analyzing the clinical and radiological outcome of TKA with PSI technique. This review covers the recent literature of PSI in respect to surgical accuracy, clinical outcome, time- and cost-effectiveness.
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Galán-Olleros M, Lopiz Y, Ciller G, Alcobía-Díaz B, García-Fernández C, Marco F. Does fluoroscopy improve baseplate position compared to conventional technique in reverse shoulder arthroplasty? A preliminary study. Shoulder Elbow 2023; 15:15-26. [PMID: 36895612 PMCID: PMC9990097 DOI: 10.1177/17585732211020657] [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: 01/16/2021] [Revised: 05/07/2021] [Accepted: 05/09/2021] [Indexed: 11/15/2022]
Abstract
Background Accurate placement of glenoid component in reverse shoulder arthroplasty remains a challenge for surgeons of all levels of expertise; however, no studies have evaluated the utility of fluoroscopy as a surgical assistance method. Methods Prospective comparative study of 33 patients undergoing primary reverse shoulder arthroplasty during a 12-month period. Fifteen patients had a baseplate placed using the conventional "free hand" technique (control group), and 18 patients using intraoperative fluoroscopy assistance group, in a case-control design. Postoperative glenoid position was evaluated on postoperative Computed Tomography (CT) scan. Results The mean deviation of version and inclination for fluoroscopy assistance vs. control group was 1.75° (0.675-3.125) vs. 4.2° (1.975-10.45) (p = .015), and 3.85° (0-7.225) vs. 10.35° (4.35-18.75) (p = .009). The distance from the central peg midpoint to the inferior glenoid rim (fluoroscopy assistance 14.61 mm/control 4.75 mm, p = .581) and the surgical time (fluoroscopy assistance 1.93 ± 0.57/control 2.18 ± 0.44 h, p = .400) showed no differences, with an average radiation dose of 0.45 mGy and fluoroscopy time of 14 s. Conclusions Accurate axial and coronal scapular plane positioning of glenoid component is improved with intraoperative fluoroscopy at the cost of a greater radiation dose and without differences in surgical time. Comparative studies are needed to determine whether their use in relation to more expensive surgical assistance systems result in similar effectiveness.L evel of evidence : Level III, therapeutic study.
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Affiliation(s)
- María Galán-Olleros
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
| | - Yaiza Lopiz
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
- Department of Surgery, Complutense
University, Madrid, Spain
| | - Gabriel Ciller
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
| | - Borja Alcobía-Díaz
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
| | - Carlos García-Fernández
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
| | - Fernando Marco
- Shoulder and Elbow Unit, Orthopaedic
Surgery and Traumatology Department, Clínico San Carlos Hospital, Madrid,
Spain
- Department of Surgery, Complutense
University, Madrid, Spain
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12
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Vermue H, Stroobant L, Thuysbaert G, de Taeye T, Arnout N, Victor J. The learning curve of imageless robot-assisted total knee arthroplasty with standardised laxity testing requires the completion of nine cases, but does not reach time neutrality compared to conventional surgery. INTERNATIONAL ORTHOPAEDICS 2023; 47:503-509. [PMID: 36385186 PMCID: PMC9668703 DOI: 10.1007/s00264-022-05630-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/30/2022] [Indexed: 11/18/2022]
Abstract
PURPOSE The assistance of robot technology is introduced into the operating theatre to improve the precision of a total knee arthroplasty. However, as with all new technology, new technology requires a learning curve to reach adequate proficiency. The primary aim of this study was to identify the learning curve of an imageless robotic system with standardised laxity testing. The secondary aim of this study was to evaluate the accuracy of the intra-operative coronal alignment during the learning curve. METHODS A prospective study was performed on 30 patients undergoing robot-assisted total knee arthroplasty with an imageless robotic system (Corin, Massachusetts, USA) associated with a dedicated standardised laxity testing device. The learning curve of all surgical steps was assessed with intra-operative video monitoring. As comparison, the total surgical time of the last 30 patients receiving conventional total knee arthroplasty by the same surgeon and with the same implant was retrospectively assessed. Coronal lower limb alignment was evaluated pre- and post-operatively on standing full-leg radiographs. RESULTS CUSUM (cumulative summation) analysis has shown inflexion points in multiple steps associated with robot-assisted surgery between one and 16 cases, which indicates the progression from the learning phase to the proficiency phase. The inflexion point for total operative time occurred after nine cases. Robot-assisted total knee surgery required significantly longer operative times than the conventional counterpart, with an average increase of 22 min. Post-operative limb and implant alignment was not influenced by a learning curve. CONCLUSION The introduction of an imageless robotic system with standardised laxity assessment for total knee arthroplasty results in a learning curve of nine cases based on operative time. Compared to conventional surgery, the surgeon is not able to reach time neutrality with the robotic platform. There is no learning curve associated with coronal limb or implant alignment. This study enables orthopaedic surgeons to understand the implementation of this surgical system and its specific workflow into clinical practice.
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Affiliation(s)
- Hannes Vermue
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
| | - Lenka Stroobant
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
| | - Gilles Thuysbaert
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
| | - Thijmen de Taeye
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
| | - Nele Arnout
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
| | - Jan Victor
- Department Orthopaedic Surgery, University Hospital Ghent, Ghent, Belgium
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13
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Gousopoulos L, Dobbelaere A, Ratano S, Bondoux L, Tibesku CO, Aït-Si-Selmi T, Bonnin MP. Custom total knee arthroplasty combined with personalised alignment grants 94% patient satisfaction at minimum follow-up of 2 years. Knee Surg Sports Traumatol Arthrosc 2023; 31:1276-1283. [PMID: 36656348 DOI: 10.1007/s00167-023-07318-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023]
Abstract
PURPOSE The purpose was to report detailed patient-reported outcome measures (PROMs) and satisfaction rates for computed tomography (CT)-based custom TKA at minimum follow-up of 2 years. The hypothesis was that custom TKA combined with 'personalised alignment' would yield equivalent or better PROMs compared to values reported in systematic reviews and meta-analyses on off-the-shelf (OTS) TKA. METHODS Of an initial cohort of 150 custom TKAs, four died (unrelated to surgery), one required a revision, and five refused participation, leaving 140 patients for analysis. Patients completed pre- and post-operative PROMs (Oxford Knee Score (OKS), Forgotten Joint Score (FJS), Knee injury and Osteoarthritis Outcome Score (KOOS), Western Ontario and McMaster osteoarthritis index (WOMAC)) as well as overall level of satisfaction. Proportions that attained a patient acceptable symptom state (PASS) were calculated for OKS and FJS. Clinical findings were compared to the average scores reported for PROMs in recent systematic reviews and/or meta-analyses on OTS TKA. Descriptive statistics were used to summarise the clinical findings as means, standard deviations (SD) and ranges, or numbers and percentages. RESULTS At mean follow-up 33.5 ± 4.5 months, 94% (135/143) were either satisfied or very satisfied. Proportions that achieved PASS were 89% for OKS (120/135), and 85% for FJS (118/139). Median OKS, WOMAC and KOOS Symptoms and Pain scores were all within the 4th quartile of medians reported in systematic reviews and/or meta-analyses. CONCLUSIONS At a minimum follow-up of two years following custom TKA combined with 'personalised alignment', 94% of patients were either satisfied or very satisfied, and the PASS criteria were achieved in 89% for OKS and 85% for FJS, all of which compare favourably to published outcomes of OTS TKA. Direct comparisons to the literature may not be appropriate, however, considering the heterogeneity of patient demographics and alignment techniques. Randomised controlled trials with sufficient statistical power are needed to corroborate these findings and generalise them to unselected TKA patients. LEVEL OF EVIDENCE IV, retrospective cohort study.
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Affiliation(s)
- Lampros Gousopoulos
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Andreas Dobbelaere
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Salvatore Ratano
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Louka Bondoux
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | | | - Tarik Aït-Si-Selmi
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Michel P Bonnin
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
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14
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Trends in Computer-Assisted Surgery for Total Knee Arthroplasty in Germany: An Analysis Based on the Operative Procedure Classification System between 2010 to 2021. J Clin Med 2023; 12:jcm12020549. [PMID: 36675478 PMCID: PMC9863460 DOI: 10.3390/jcm12020549] [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] [Received: 12/06/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
Alignment strategies for primary total knee arthroplasty (TKA) have changed significantly over time with a shift towards a more individualized alignment goal. At the same time, computer-assisted surgery (CAS) has gained interest for intraoperative control and accuracy in implant positioning and limb alignment. Despite the often discussed benefits and drawbacks of robotics and navigation for TKA, the routine use of these new devices on a day-to-day basis remains obscure. Therefore, nationwide hospital billing data based on the Operation Procedure Classification System (OPS) were retrieved from the Federal Statistical Office of Germany for the period from 2010 to 2021. OPS codes for primary total knee arthroplasty (OPS code: 5-822*) were further analyzed regarding the usage of computer navigation (additional OPS code: 5-988) or robotic devices (additional OPS code: 5-987). Gender and age at the time of surgery were also assessed. The results show a total of 2,226,559 primary TKAs were implanted between 2010 and 2021, of which 2,044,914 were performed conventionally (91.84% of all TKAs). A total of 170,276 TKAs were performed using navigation technique (7.65% of all TKAs) and another 11,369 TKAs were performed using robotics (0.51% of all TKAs). For the period from 2018 to 2021, a substantial increase in robot-assisted TKA (R-TKA) was observed, with an average increase rate of 84.74% per year, while the number of navigated TKAs declined (-3.67% per year). Computer-assisted surgery, and particularly robotics for TKA, are seeing growing popularity and stepwise translation into routine clinical use in Germany, with a steep increase rate of more than 80% per year since 2018. Nevertheless, the majority of TKAs are still performed using manual instrumentation, rendering conventional TKA the currently unchanged gold standard.
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15
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Wang JC, Piple AS, Hill WJ, Chen MS, Gettleman BS, Richardson M, Heckmann ND, Christ AB. Computer-Navigated and Robotic-Assisted Total Knee Arthroplasty: Increasing in Popularity Without Increasing Complications. J Arthroplasty 2022; 37:2358-2364. [PMID: 35738360 DOI: 10.1016/j.arth.2022.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/11/2022] [Accepted: 06/14/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Data on the clinical impact of computer navigation (CN) and robotic assistance (RA) in total knee arthroplasty (TKA) are mixed. This study aims to describe modern utilization trends in CN-TKA, RA-TKA, and traditionally-instrumented (TD) TKA and to assess for differences in postoperative complications and opioid consumption by procedure type. METHODS A national database was queried to identify primary, elective TKA patients from 2015 to 2020. Trends in procedural utilization rates were assessed. Differences in 90-day postoperative complications and inpatient opioid consumption were assessed. Multivariate regression analyses were performed to account for potential confounders. RESULTS Of the 847,496 patients included, 49,317 (5.82%) and 24,460 (2.89%) underwent CN-TKA and RA-TKA, respectively. CN-TKA utilization increased from 5.64% (2015) to 6.41% (2020) and RA-TKA utilization increased from 0.84% (2015) to 5.89% (2020). After adjusting for confounders, CN-TKA was associated with lower periprosthetic joint infection (P = .001), pulmonary embolism (P < .001), and acute respiratory failure (P = .015) risk compared to traditional (TD) TKA. RA-TKA was associated with lower deep vein thrombosis (P < .001), myocardial infarction (P = .013), and pulmonary embolism (P = .001) risk than TD-TKA. Lower postoperative day 1 opioid usage was seen with CN-TKA and RA-TKA than TD-TKA (P < .001). Lower postoperative day 0 opioid consumption was also seen in RA-TKA (P < .001). CONCLUSION From 2015 to 2020, there was a relative 13.7% and 601.2% increase in CN-TKAs and RA-TKAs, respectively. This trend was associated with reductions in hospitalization duration, postoperative complications, and opioid consumption. These data support the safety of RA-TKA and CN-TKA compared to TD-TKA. Further investigation into the specific indications for these technology-assisted TKAs is warranted.
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Affiliation(s)
| | - Amit S Piple
- Keck School of Medicine of USC, Los Angeles, California
| | | | | | - Brandon S Gettleman
- Keck School of Medicine of USC, Los Angeles, California; University of South Carolina School of Medicine, Columbia, South Carolina
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16
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Kim AG, Bernhard Z, Acuña AJ, Wu VS, Kamath AF. Use of intraoperative technology in total knee arthroplasty is not associated with reductions in postoperative pain. Knee Surg Sports Traumatol Arthrosc 2022; 31:1370-1381. [PMID: 35984446 DOI: 10.1007/s00167-022-07098-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/26/2022] [Indexed: 10/15/2022]
Abstract
PURPOSE Our systematic review and meta-analysis sought to assess how technology-assistance impacts (1) post-operative pain and (2) opioid use in patients undergoing primary total knee arthroplasty (TKA). METHODS Four online databases were queried for studies published up to October 2021 that reported on pain and opioid usage between technology-assisted and manual TKA (mTKA) patients. Mantel-Haenszel (M-H) models were utilized to calculate pooled mean difference (MDs) and 95% confidence interval (CIs). Subgroup analyses were conducted to isolate robotic-arm assisted (RAA) and computed-assisted navigation (CAN) cohorts. Risk of bias was assessed for all included non-randomized studies with the Methodological Index for Non-Randomized Studies (MINORS) tool. For the randomized control trials included in our study, the Detsky scale was applied. RESULTS Our analysis included 31 studies, reporting on a total of 761,300 TKAs (mTKA: n = 753,554; Computer-Assisted Navigation (CAN): n = 1,309; Robotic-Arm Assisted (RAA): n = 6437). No differences were demonstrated when evaluating WOMAC (MD: 0.00, 95% CI - 0.69 to 0.69; p = 1.00), KSS (MD: 0.01, 95% CI - 1.46 to 1.49; p = 0.99), KOOS (MD - 2.91, 95% CI - 6.17 to 0.34; p = 0.08), and VAS (MD - 0.54, 95% CI - 1.01 to - 0.007; p = 0.02) pain scores between cohorts. There was mixed evidence regarding how opioid consumption differed between TKA techniques. CONCLUSION The present analysis demonstrated no difference in terms of pain across a variety of utilized patient-reported pain measurements. However, there were mixed results regarding how opioid consumption varied between manual and technology-assisted cohorts, particularly in the immediate post-operative period. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Andrew G Kim
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Zachary Bernhard
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Alexander J Acuña
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Victoria S Wu
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA. .,Center for Hip Preservation, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Ave, Mail Code A41, Cleveland, OH, 44195, USA.
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17
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Ishida K, Shibanuma N, Hayashi S, Kurosaka M, Kuroda R, Matsumoto T. Robotic arm‐assisted posterior‐stabilised total knee arthroplasty reduces the amount of tibial bone resection thickness without increasing the rate of postoperative flexion contracture in varus knees in the short term: Comparison with image‐free navigated total knee arthroplasty. Int J Med Robot 2022; 18:e2370. [DOI: 10.1002/rcs.2370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/26/2022] [Accepted: 01/26/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Kazunari Ishida
- Department of Orthopaedic Surgery Kobe Kaisei Hospital Kobe Japan
| | - Nao Shibanuma
- Department of Orthopaedic Surgery Kobe Kaisei Hospital Kobe Japan
| | - Shinya Hayashi
- Department of Orthopaedic Surgery Kobe University Graduate School of Medicine Kobe Japan
| | | | - Ryosuke Kuroda
- Department of Orthopaedic Surgery Kobe University Graduate School of Medicine Kobe Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery Kobe University Graduate School of Medicine Kobe Japan
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18
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Robotic-arm assisted versus conventional technique for total knee arthroplasty: early results of a prospective single centre study. INTERNATIONAL ORTHOPAEDICS 2022; 46:1331-1338. [DOI: 10.1007/s00264-022-05351-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 02/18/2022] [Indexed: 10/19/2022]
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19
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Navigation and robotics improved alignment compared with PSI and conventional instrument, while clinical outcomes were similar in TKA: a network meta-analysis. Knee Surg Sports Traumatol Arthrosc 2022; 30:721-733. [PMID: 33492410 DOI: 10.1007/s00167-021-06436-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/05/2021] [Indexed: 01/25/2023]
Abstract
PURPOSE To achieve the desired alignment more accurately and improve postoperative outcomes, new techniques such as computer navigation (Navigation), patient-specific instruments (PSI) and surgical robots (Robot) are applied in Total Knee Arthroplasty (TKA). This network meta-analysis aims to compare the radiological and clinical outcomes among the above-mentioned techniques and conventional instruments (CON). METHODS A PRISMA network meta-analysis was conducted and study protocol was published online at INPLASY (INPLASY202060018). Three databases (PubMed, EMBASE and Cochrane) were searched up to June 1, 2020. Randomised controlled trials (RCTs) comparing any two of the four techniques were included. A Bayesian network meta-analysis was performed focusing on radiological and clinical outcomes. The odds ratio (OR) or mean difference (MD) in various outcomes were calculated, and the interventions were ranked by the surface under the cumulative ranking area (SUCRA) value. RESULTS Seventy-three RCTs were included, with a total of 4209 TKAs. Navigation and Robot could significantly reduce the occurrence of malalignment and malposition compared with PSI and CON, and Navigation could obtain higher medium-and-long-term KSS knee scores than CON. Robot had the greatest advantage in achieving the desired alignment accurately, followed by Navigation; Navigation had the greatest advantage in the KSS score. CONCLUSION Navigation and Robot did improve the accuracy of alignment compared with PSI and conventional instrument in TKA, but the above four techniques showed no clinical significance in postoperative outcomes. LEVEL OF EVIDENCE I.
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20
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Comparative Cost Analysis of Four Different Computer-Assisted Technologies to Implant a Total Knee Arthroplasty over Conventional Instrumentation. J Pers Med 2022; 12:jpm12020184. [PMID: 35207672 PMCID: PMC8880057 DOI: 10.3390/jpm12020184] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 11/16/2022] Open
Abstract
Several computer-assisted technologies, such as navigation and robotics, have been introduced to Total Knee Arthroplasty (TKA) in order to increase surgical precision and reduce complications. However, these technologies are often criticized due to the increased costs and effort associated with them; however, comparative data are missing. The aim of the present study was to evaluate differences in intraoperative workflows and the related perioperative cost-profiles of four current computer-assisted technologies, used to implant a TKA, in order to gain a comparison to conventional instrumentation. For the cost analysis, additional preoperative imaging and instruments, increased operating room (OR) and planning-time, and expenditures for technical support of the equipment and disposals were calculated, in comparison to conventional TKA, for (1) standard computer-navigation, (2) patient specific instruments (PSI), (3) image-based robotic assistance, and (4) imageless robotic assistance. Workflows at four expert centers which use these technologies were reviewed by an independent observer. The total cost calculation was based on a 125 TKA per year unit in Switzerland. Computer-navigation resulted in 14 min (+23%) increased surgery time and, overall, USD 650 in additional costs. PSI technology saved 5 min (8%) OR time but it created USD 1520 in expenditures for imaging and disposals. The image-based robotic system was the most expensive technology; it created overall additional costs of USD 2600, which predominately resulted from technical support, disposals, the CT-Scan, and 14 min of increased OR time. The imageless robotic assistance resulted in the largest increase in OR-time, as it resulted in an additional 25 min (+42%) on average. Overall, additional costs of USD 1530 were calculated. Every one of the assistive technologies in this study increased the total cost of TKA when compared to a conventional technique, and the most important variables, related to cost, were technical support and additional disposables. The longer surgical times and additional surgical trays required for the techniques had a marginal effect on overall costs. This comparative cost analysis gives valuable information for future efforts to calculate the real costs of these technologies and the subsequent return on investment of each technique.
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21
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Navigation und Robotik in der Knieendoprothetik. ARTHROSKOPIE 2021. [DOI: 10.1007/s00142-021-00467-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Zusammenfassung
Hintergrund
Die Langlebigkeit einer Knieprothese hängt von der korrekten Ausrichtung der Prothesenkomponenten und der mechanischen Achse des Beins sowie einer optimalen Weichteilbalancierung ab. Um dieses Ziel präziser und sicherer zu erreichen, wurde die computerassistierte Chirurgie entwickelt. Ziel dieses Artikels ist es, die Navigation und Robotik zu bewerten und die aktuellen Ergebnisse zu diskutieren.
Methode
Umfassende Literaturrecherche in der Datenbank PubMed und dem Suchdienst Google Scholar.
Ergebnisse
Die computerassistierte Chirurgie führt zu einer präziseren Ausrichtung der mechanischen Beinachse und der Positionierung der Prothesenkomponenten. Trotzdem sind die klinischen Ergebnisse zur Kniefunktion und die Resultate der patientenbezogenen Fragebögen (PROMs) kontrovers. Sie zeigen, wie für die Überlebensrate, keinen signifikanten Unterschied zur konventionellen Technik. Hohe Anschaffungs- und Unterhaltskosten limitieren zudem die Verbreitung dieser Systeme.
Schlussfolgerung
Momentan bietet die bildgestützte Navigation dem Chirurgen bei gewissen Operationsschritten eine wertvolle Unterstützung für ein präziseres und sichereres Arbeiten. Trotzdem sind Langzeitstudien zur Kniefunktion, zu den PROMs, zur Überlebensrate dringend erforderlich. In der Robotik zeigen nur kurzfristige Ergebnisse ähnliche Trends wie bei der Navigation. Die Robotiksysteme müssen und werden sich weiterentwickeln, um den Anforderungen der Nutzer und Patienten zu entsprechen (Kosten, Größe, Programmierung).
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22
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Shaw JH, Lindsay-Rivera KG, Buckley PJ, Weir RM, Banka TR, Davis JJ. Minimal Clinically Important Difference in Robotic-Assisted Total Knee Arthroplasty Versus Standard Manual Total Knee Arthroplasty. J Arthroplasty 2021; 36:S233-S241. [PMID: 33692001 DOI: 10.1016/j.arth.2021.02.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/07/2021] [Accepted: 02/11/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The purpose of this study was to determine whether robotic total knee arthroplasty (R-TKA) demonstrated evidence of improvement in minimal clinically important difference (MCID) in early (<4 weeks) and intermittent (4-8 month) patient-reported outcomes compared with manual total knee arthroplasty (M-TKA). METHODS A prospectively collected database was reviewed of 1160 consecutive patients undergoing R-TKA or M-TKA from December 2017 to October 2019. Primary outcomes consisted of Knee Injury and Osteoarthritis Outcome Score for Joint Replacement (KOOS-JR) and Patient-Reported Outcomes Measurement Information System Global Health Measures of Physical Health (PH) and Mental Health (MH). Statistical analysis included MCID via the distribution method. RESULTS Univariate analysis demonstrated conflicting results for early MCID achievement favoring M-TKA (4-week KOOS-JR, P = .03) for the multisurgeon cohort, but favored R-TKA (4-week Patient-Reported Outcomes Measurement Information System-PH, P = .04) in the single-surgeon analysis, and the remaining outcome scores were similar. Ultimately, multivariate analysis demonstrated similar 4-week and 6-month MCID achievement in all measures. Lower preoperative scores consistently achieved MCID at a higher rate in M-TKA, although in R-TKA, the higher baseline scores improved at a rate comparable with those with lower scores in all but the short-term postoperative KOOS-JR. CONCLUSION R-TKA demonstrated comparable MCID achievement to M-TKA across the larger cohort. Single-surgeon comparison did show some early benefit. Confounding variables such as surgical technique, implant fixation, and responsiveness of an outcome measure may be as important as simply what tools are used during surgery. Such granular data should be sought out in future studies.
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Affiliation(s)
- Jonathan H Shaw
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI
| | | | | | - Robb M Weir
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI
| | - Trevor R Banka
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI
| | - Jason J Davis
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI
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23
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Singh V, Fiedler B, Simcox T, Aggarwal VK, Schwarzkopf R, Meftah M. Response to Letter to the Editor on "Does the Use of Intraoperative Technology Yield Superior Patient Outcomes Following Total Knee Arthroplasty?". J Arthroplasty 2021; 36:e70-e71. [PMID: 34116774 DOI: 10.1016/j.arth.2020.12.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 12/23/2020] [Indexed: 02/02/2023] Open
Affiliation(s)
- Vivek Singh
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Benjamin Fiedler
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Trevor Simcox
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Vinay K Aggarwal
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Morteza Meftah
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
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24
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Siddiqi A, Piuzzi NS. Letter to the Editor: Does the Use of Intraoperative Technology Yield Superior Patient Outcomes Following Total Knee Arthroplasty? J Arthroplasty 2021; 36:e68-e69. [PMID: 34116773 DOI: 10.1016/j.arth.2020.12.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 12/23/2020] [Indexed: 02/02/2023] Open
Affiliation(s)
- Ahmed Siddiqi
- Orthopaedic Institute of Central Jersey, A division of Ortho Alliance NJ, Manasquan, NJ; Department of Orthopedic Surgery, Hackensack Meridian School of Medicine, Hackensack, NJ; Department of Orthopedic Surgery, Jersey Shore University Medical Center, Neptune, NJ
| | - Nicolas S Piuzzi
- Department of Orthopedic Surgery, Cleveland Clinic Foundation, Cleveland, OH
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25
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Kamalapathy P, Hines J, Cui Q. Navigation assisted total knee arthroplasty in 54,114 patients: No increased risk in acute complications and hospital utilisation. Int J Med Robot 2021; 17:e2256. [PMID: 33844411 DOI: 10.1002/rcs.2256] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/09/2021] [Accepted: 03/24/2021] [Indexed: 11/06/2022]
Abstract
BACKGROUND The advent of navigation in total knee arthroplasty (TKA) has generated interest in attempt to improve component positioning as desired and clinical outcomes. The aim of this study was to evaluate 90-day complication and cost of navigation-assisted TKAs (NTKA) compared to conventional TKAs (CTKA) using a national database. METHODS A retrospective review of national database was conducted on all patients who underwent TKA from 2010 and 2017. The cohort was stratified into NTKA and CTKA subcohorts, excluding cases utilizing robotics. RESULTS NTKA was associated with a significant decrease in 90-day postoperative major and minor complications. NTKA was also associated with a decrease in 90-day hospital utilization with lower rates of emergency department visits and readmissions. The cost of hospitalization and total 90-day costs were lower in NTKA, with an average savings of $800. CONCLUSION The adoption of navigation in TKA is safe and efficaceous compared to CTKA. LEVEL OF EVIDENCE III. Retrospective cohort study.
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Affiliation(s)
- Pramod Kamalapathy
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Jeremy Hines
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Quanjun Cui
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
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26
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Kim JE, Kim DH, Lee JI, Choi HG, Jung YS, Lee SH, Lee YS. Difference of preoperative varus-valgus stress radiograph is effective for the correction accuracy in the preoperative planning during open-wedge high tibial osteotomy. Knee Surg Sports Traumatol Arthrosc 2021; 29:1035-1044. [PMID: 32462268 DOI: 10.1007/s00167-020-06076-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/20/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE This study aimed to evaluate (1) the efficacy of varus-valgus stress radiographs to adjust the preoperative soft-tissue imbalance and (2) ascertain whether varus-valgus stress radiographs are effective for the correction accuracy in the preoperative planning of the opening wedge high tibial osteotomy (OWHTO). METHODS From February 2017 to December 2018, a total of 121 consecutive knees that underwent bi-planar OWHTO were enrolled in this retrospective analysis. Preoperative planning was performed using a weight-bearing line (WBL). Target WBL was determined according to the status of the medial compartments such as cartilage, meniscus, and preoperative arthritic grade. Preoperative varus-valgus stress radiographs were used to assess the preoperative mediolateral ligament imbalance. The final target correction length of the opening gap was determined by subtracting the difference between the varus-valgus stress radiographs (VVD). All patients were divided into two groups according to the preoperatively planned correction degree: (group A), smaller than average; (group B), larger than average. Patients were also divided into two other groups (VVD adjusted and neglected groups). RESULTS Groups A and B were 56 and 54 knees, respectively. The preoperatively planned correction lengths of the opening gap were 9.33 ± 1.5 and 14.16 ± 3.96 mm, respectively (p < 0.01). Mean values of the VVD were 0.85 ± 0.72, and 1.27 ± 1.78 mm, respectively (p < 0.01). Correction errors were 2.17 ± 2.06 and 3.52 ± 2.16%, respectively (p < 0.01). Planned and final correction degrees were also significantly larger (p < 0.01, and p < 0.01, respectively), because the preoperative WBL ratio was significantly smaller in the VVD adjusted group (p < 0.01). CONCLUSION The VVD values could reproduce the preoperative soft-tissue imbalance and it was more prominent as the correction degree increased. The strategy of subtracting the VVD as assumed soft-tissue imbalance in the preoperative planning worked well for the correction accuracy during OWHTO. LEVEL OF EVIDENCE Level IV, retrospective study.
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Affiliation(s)
- Ji Eui Kim
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Dong Hyun Kim
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Jae Ik Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Han Gyeol Choi
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - You Sun Jung
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Sang Hoon Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Yong Seuk Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea.
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27
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Sezer HB, Bohu Y, Hardy A, Lefevre N. Knee Prosthesis in the Computer Era. Orthop Surg 2021; 13:395-401. [PMID: 33506615 PMCID: PMC7957434 DOI: 10.1111/os.12762] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/24/2020] [Accepted: 06/25/2020] [Indexed: 12/11/2022] Open
Abstract
Over the past two decades, computer assistance has revolutionalized surgery and has enabled enormous advancements in knee prosthesis surgery. Total knee arthroplasty (TKA) is a hot topic of orthopaedic research. Reflecting population dynamics, its use continues to increase, especially in high demand populations. Therefore, efforts to achieve the best fit and precise alignment in TKA continue. Computer assistance is valuable for knee prosthesis surgeons in this regard. This manuscript investigated the use of computer assistance in knee prosthesis surgery. The effects of computer use on important facets of knee prosthesis surgery, such as precision, clinical aspects, and costs, were examined. Moreover, an overall review of the recent literature on the navigation and personalized cutting guides was conducted.
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Affiliation(s)
| | - Yoann Bohu
- Clinique du Sport Paris VParisFrance
- Institut de L'Appareil Locomoteur NolletParisFrance
| | - Alexandre Hardy
- Clinique du Sport Paris VParisFrance
- Institut de L'Appareil Locomoteur NolletParisFrance
| | - Nicolas Lefevre
- Clinique du Sport Paris VParisFrance
- Institut de L'Appareil Locomoteur NolletParisFrance
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28
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Siddiqi A, Horan T, Molloy RM, Bloomfield MR, Patel PD, Piuzzi NS. A clinical review of robotic navigation in total knee arthroplasty: historical systems to modern design. EFORT Open Rev 2021; 6:252-269. [PMID: 34040803 PMCID: PMC8142596 DOI: 10.1302/2058-5241.6.200071] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Robotic-assisted total knee arthroplasty (RA-TKA) has shown improved reproducibility and precision in mechanical alignment restoration, with improvement in early functional outcomes and 90-day episode of care cost savings compared to conventional TKA in some studies. However, its value is still to be determined. Current studies of RA-TKA systems are limited by short-term follow-up and significant heterogeneity of the available systems. In today’s paradigm shift towards an increased emphasis on quality of care while curtailing costs, providing value-based care is the primary goal for healthcare systems and clinicians. As robotic technology continues to develop, longer-term studies evaluating implant survivorship and complications will determine whether the initial capital is offset by improved outcomes. Future studies will have to determine the value of RA-TKA based on longer-term survivorships, patient-reported outcome measures, functional outcomes, and patient satisfaction measures.
Cite this article: EFORT Open Rev 2021;6:252-269. DOI: 10.1302/2058-5241.6.200071
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Affiliation(s)
- Ahmed Siddiqi
- Cleveland Clinic Foundation, Department of Orthopedics Cleveland, Ohio, USA
| | - Timothy Horan
- Philadelphia College of Osteopathic Medicine, Department of Orthopedics, Philadelphia, Pennsylvania, USA
| | - Robert M Molloy
- Cleveland Clinic Foundation, Department of Orthopedics Cleveland, Ohio, USA
| | | | - Preetesh D Patel
- Cleveland Clinic Florida, Department of Orthopedics, Weston, Florida, USA
| | - Nicolas S Piuzzi
- Cleveland Clinic Foundation, Department of Orthopedics Cleveland, Ohio, USA
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