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Huang P, Cross M, Gupta A, Intwala D, Ruppenkamp J, Hoeffel D. Early Clinical and Economic Outcomes for the VELYS Robotic-Assisted Solution Compared with Manual Instrumentation for Total Knee Arthroplasty. J Knee Surg 2024; 37:864-872. [PMID: 38866046 PMCID: PMC11405097 DOI: 10.1055/a-2343-2444] [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: 06/14/2024]
Abstract
Robotic-assisted total knee arthroplasty (TKA) has been developed to improve functional outcomes after TKA by increasing surgical precision of bone cuts and soft tissue balancing, thereby reducing outliers. The DePuy Synthes VELYS robotic-assisted solution (VRAS) is one of the latest entrants in the robotic TKA market. Currently, there is limited evidence investigating early patient and economic outcomes associated with the use of VRAS. The Premier Healthcare Database was analyzed to identify patients undergoing manual TKA with any implant system compared with a cohort of robotic-assisted TKAs using VRAS between September 1, 2021 and February 28, 2023. The primary outcome was all-cause and knee-related all-setting revisits within 90-day post-TKA. Secondary outcomes included number of inpatient revisits (readmission), operating room time, discharge status, and hospital costs. Baseline covariate differences between the two cohorts were balanced using fine stratification methodology and analyzed using generalized linear models. The cohorts included 866 VRAS and 128,643 manual TKAs that had 90-day follow-up data. The rates of both all-cause and knee-related all-setting follow-up visits (revisits) were significantly lower in the VRAS TKA cohort compared with the manual TKA cohort (13.86 vs. 17.19%; mean difference [MD]: -3.34 [95% confidence interval: -5.65 to -1.03] and 2.66 vs. 4.81%; MD: -2.15 [-3.23 to -1.08], respectively, p-value < 0.01) at 90-day follow-up. The incidence of knee-related inpatient readmission was also significantly lower (53%) for VRAS compared with manual TKA. There was no significant difference between total cost of care at 90-day follow-up between VRAS and manual TKA cases. On average, the operating room time was higher for VRAS compared with manual TKA (138 vs. 134 minutes). In addition, the discharge status and revision rates were similar between the cohorts. The use of VRAS for TKA is associated with lower follow-up visits and knee-related readmission rates in the first 90-day postoperatively. The total hospital cost was similar for both VRAS and manual TKA cohort while not accounting for the purchase of the robot.
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Affiliation(s)
| | | | - Anshu Gupta
- Epidemiology and Real-World Data Sciences, Johnson and Johnson MedTech, New Brunswick, New Jersey
| | - Dhara Intwala
- DePuy Synthes Digital, Robotics and Emerging Channels, Raynham, Massachusetts
| | - Jill Ruppenkamp
- Epidemiology and Real-World Data Sciences, Johnson and Johnson MedTech, New Brunswick, New Jersey
| | - Daniel Hoeffel
- DePuy Synthes, Medical Affairs, Palm Beach Gardens, Florida
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An HM, Wen JX, Gu W, Chen JY, Chai W, Li R. Discrepancies in Sagittal Alignment of the Lower Extremity Among Different Brands of Robotic Total Knee Arthroplasty Systems. J Arthroplasty 2024; 39:2248-2253. [PMID: 38508345 DOI: 10.1016/j.arth.2024.03.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 03/09/2024] [Accepted: 03/12/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND There is an increasing number of different brands of robotic total knee arthroplasty (TKA) systems. Most robotic TKA systems share the same coronal alignment, while the definitions of sagittal alignment vary. The purpose of this study was to investigate whether these discrepancies impact the sagittal alignment of the lower extremity. METHODS A total of 72 lower extremity computed tomography scans were included in our study, and 3-dimensional models were obtained using software. A total of 7 brands of robotic TKA systems were included in the study. The lower extremity axes were defined based on the surgical guide for each implant. We also set the intramedullary axis as a reference to evaluate the discrepancies in sagittal alignment of each brand of robotic system. RESULTS On the femoral side, the axis definition was the same for all 7 robotic TKA systems. The robotic TKA axes showed a 2.41° (1.58°, 3.38°) deviation from the intramedullary axis. On the tibial side, the 7 robots had different axis definitions. The tibial mechanical axis of 6 of the TKA systems was more flexed than that of the intramedullary axis, which means the posterior tibial slope was decreased while the tibial mechanical axis of the remaining system was more extended. CONCLUSIONS The sagittal alignment of the lower extremity for 7 different brands of robotic TKA systems differed from each other and all deviated from the intramedullary axis. Surgeons should be aware of this discrepancy when using different brands of robotic TKA systems to avoid unexpected sagittal alignment and corresponding adverse clinical outcomes. LEVEL OF EVIDENCE Level IV, Therapeutic Study.
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Affiliation(s)
- Hao-Ming An
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China; School of Medicine, Nankai University, Tianjin, China; Chinese PLA Medical School, Beijing, China
| | - Jia-Xin Wen
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China; School of Medicine, Nankai University, Tianjin, China; Chinese PLA Medical School, Beijing, China
| | - Wang Gu
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Ji-Ying Chen
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Wei Chai
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Rui Li
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China; National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China
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Gonzalez MR, Lim PL, Chen AF, Melnic CM, Bedair HS. Comparing Rates of Minimal Clinically Important Difference Between Manual and Robotic-Assisted Total Knee Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00883-0. [PMID: 39218238 DOI: 10.1016/j.arth.2024.08.039] [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: 04/12/2024] [Revised: 08/22/2024] [Accepted: 08/26/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Differences in patient-reported outcome measures (PROMs) between manual total knee arthroplasty (mTKA) and robotic-assisted TKA (rTKA) have not been adequately assessed. We compared the minimal clinically important difference (MCID) for improvement (MCID-I) and worsening (MCID-W) between mTKA and rTKA patients. METHODS Patients who underwent primary TKA (874 mTKA and 439 rTKA) with complete preoperative and 1-year postoperative PROMs were retrospectively identified using a multihospital joint arthroplasty registry. Patient-Reported Outcomes Measurement Information System Physical Function Short Form 10a (PROMIS PF-10a), PROMIS Global - Physical, or Knee Injury and Osteoarthritis Outcome Score-Physical Function Short Form were collected. The MCID-I, MCID-W, and "no significant change" rates were calculated using distribution-based methods. Propensity score matching was performed to control for confounding. RESULTS Similar 90-day pulmonary embolism (P = 0.26), deep venous thrombosis (P = 0.67), and emergency department visit (P = 0.35) rates were found. The 90-day readmission rate for mTKA was 1.7 and 3.4% for rTKA (P = 0.08), and the overall revision rates were 2.2% for mTKA and 0.7% for rTKA (P = 0.07). Revision-free survival was 99% at one and 2 years for both groups (P = 0.65 and P = 0.43, respectively). There were no differences in the proportion of patients achieving MCID-I or MCID-W for PROMIS PF-10a, PROMIS Global - Physical, or Knee Injury and Osteoarthritis Outcome Score-Physical Function Short Form. The MCID-I for PROMIS PF-10a was achieved in 65.5 and 62.2% of patients who had mTKA and rTKA, respectively (P = 0.32). CONCLUSIONS Our study demonstrated similar complication rates and MCID-I and MCID-W attainment rates between mTKA and rTKA patients. Future studies should assess MCID attainment rates in the long term and in larger cohorts comparing mTKA and rTKA.
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Affiliation(s)
- Marcos R Gonzalez
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Perry L Lim
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Antonia F Chen
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Christopher M Melnic
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Hany S Bedair
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
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Spitzer A, Gorab R, Barrett W, Nassif N, Hunter M, Leslie I, Lesko J, Dalury D. Robotic-assisted total knee arthroplasty reduces soft-tissue releases which improves functional outcomes: A retrospective study. Knee 2024; 49:52-61. [PMID: 38848658 DOI: 10.1016/j.knee.2024.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 01/03/2024] [Accepted: 05/18/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND There is increasing use of Robotic-Assisted (RA) and personalized alignment techniques in total knee arthroplasty (TKA). The hypothesis of this study was that RA TKA would result in fewer soft-tissue releases, and that fewer soft-tissue releases would be associated with improved clinical outcomes. METHODS A retrospective review of an internal company registry was conducted for all primary TKAs performed from Jan 1, 2014, through a database extract date of Nov 4, 2022. These were grouped by whether there was an intentional soft-tissue release performed (STR) during the surgery or not (NSTR) and whether RA was utilized. The incidence of STR was compared between RA-TKAs and those performed with manual instrumentation. Knee Society Score (KSS) and Knee Society Function Scores (KSFS) were collected at 6 months, 1 year and 2 years. Kaplan-Meier survivorship was performed. RESULTS The incidence of STR was significantly lower for RA vs. Manual (43.81% Vs 86.62%, p < 0.0001). The TKAs with NSTR had higher KSFS compared to those with STR at 6 months (84.73 Vs. 77.51, p < 0.0001), 1 year (89.87 Vs. 83.54, p < 0.0001) and 2 years (90.09 Vs. 82.65, p < 0.0001). There was no difference in survivorship, or KSS at any time point. However, the NSTR group had improved KSS pain sub score at 2 years. CONCLUSION The results of this observational, retrospective analysis found that the incidence of soft-tissue release was lower with RA-TKA. Further, regardless of if RA was used, avoiding releases was associated with improved KSFS and KSS pain scores through 2 years post-operatively.
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Zambianchi F, Matveitchouk N, Pavesi M, Clemenza S, Cuoghi Costantini R, Marcovigi A, Seracchioli S, Catani F. Small deviations between planned and performed bone cuts using a CT-based robotic-arm-assisted total knee arthroplasty system. Knee Surg Sports Traumatol Arthrosc 2024; 32:1539-1547. [PMID: 38572678 DOI: 10.1002/ksa.12171] [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: 12/06/2023] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE Computed tomography (CT)-based robotic system for total knee arthroplasty (TKA) has shown improved accuracy compared to conventional. This study was designed to (1) confirm the accuracy of the robotic system in achieving the plan and (2) establish the alignment and positioning deviation between final components and planning, by measuring the discrepancy between final implant alignment and the corresponding planned cut. METHODS Ninety-six cementless robotic-arm assisted (RA) TKAs were assessed. Bone resections were performed using the haptically controlled robotic arm. Alignment in the coronal and sagittal plane and resection depth of the distal femoral and proximal tibial cuts were recorded with a navigation planar probe. After final components were impacted, the probe was positioned on each implant surface to determine its alignment and positioning. RESULTS The mean tibial resections and implanted tibial component's positioning were 0.4 mm (standard deviation, SD: 0.6) and 0.9 mm (SD: 0.8), respectively, higher than planned (p < 0.01). The tibial sagittal cut had 19/96 cases (19.8%) of ±1° outliers from plan. In 40/96 cases (41.7%), the tibial component was more prominent than planned of more than 1 mm. The mean femoral resections and impacted femoral component's positioning was 0.1 mm (SD: 0.8) and 0.2 mm (SD: 0.7), respectively, higher than planned. In 23/96 cases (24.0%), the femoral sagittal cut and femoral component coronal alignment deviated more than ±1° from plan. CONCLUSIONS The computed tomography-based robotic-assisted TKA system showed good accuracy regarding bone preparation and component's positioning relative to the planning. Cementless tibial component impaction resulted in the most deviation from plan, with a large proportion of cases resulting in being more prominent than planned. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Francesco Zambianchi
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
| | - Nikita Matveitchouk
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
| | | | - Sebastiano Clemenza
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
| | - Riccardo Cuoghi Costantini
- Department of Medical and Surgical Sciences for Mother, Child and Adult, University of Modena and Reggio-Emilia, Modena, Italy
| | - Andrea Marcovigi
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
| | - Stefano Seracchioli
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
| | - Fabio Catani
- Department of Orthopaedic Surgery, Azienda Ospedaliero Universitaria di Modena, University of Modena and Reggio-Emilia, Modena, Italy
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Constantinescu DS, Costello JP, Yakkanti RR, Vanden Berge DJ, Carvajal Alba JA, Hernandez VH, D'Apuzzo MR. Lower Perioperative Complication Rates and Shorter Lengths of Hospital Stay Associated With Technology-Assisted Total Knee Arthroplasty Versus Conventional Instrumentation in Primary Total Knee Arthroplasty. J Arthroplasty 2024; 39:1512-1517. [PMID: 38103801 DOI: 10.1016/j.arth.2023.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND The use of technology allows increased precision in component positioning in total knee arthroplasty (TKA). The objectives of this study were to compare (1) perioperative complications and (2) resource utilization between robotic-assisted (RA) and computer-navigated (CN) versus conventional (CI) TKA. METHODS A retrospective cohort study was performed using a national database to identify patients undergoing unilateral, primary elective TKA from January 2016 to December 2019. A total of 2,174,685 patients were identified and included RA (69,445), CN (112,225), or CI (1,993,015) TKA. Demographics, complications, lengths of stay, dispositions, and costs were compared between the cohorts. Binary logistic regression analysis was performed. RESULTS The RA TKA cohort had lower rates of intraoperative fracture (0.05 versus 0.08%, P < .05), respiratory complications (0.6 versus 1.1%, P < .05), renal failure (1.3 versus 1.7%, P < .05), delirium (0.1 versus 0.2%, P < .05), gastrointestinal complications (0.04 versus 0.09%, P < .05), postoperative anemia (8.9 versus 13.9%, P < .05), blood transfusion (0.4 versus 0.9%, P < .05), pulmonary embolism, and deep vein thrombosis (0.1 versus 0.2%, P < .05), and mortality (0.01 versus 0.02%, P < .05) compared to conventional TKA, though the cohort did have higher rates of myocardial infarction (0.09 versus 0.07%, P < .05). The CN cohort had lower rates of myocardial infarction (0.02 versus 0.07%, P < .05), respiratory complications (0.8 versus 1.1%, P < .05), renal failure (1.5 versus 1.7%, P < .05), blood transfusion (0.8 versus 0.9%, P < .05), pulmonary embolism (0.08 versus 0.2%, P < .05), and deep vein thrombosis (0.2 versus 0.2%, P < .05) over CI TKA. Total cost was increased in RA (16,190 versus $15,133, P < .05) and CN (17,448 versus $15,133, P < .05). However, the length of hospital stay was decreased in both RA (1.8 versus 2.2 days, P < .05) and CN (2.1 versus 2.2 days, P < .05). CONCLUSIONS Technology-assisted TKA was associated with lower perioperative complication rates and faster recovery.
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Affiliation(s)
| | | | - Ramakanth R Yakkanti
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Jefferson Health, Philadelphia, Pennsylvania
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Rinehart DB, Stambough JB, Mears SC, Barnes CL, Stronach B. Robotic Total Knee Arthroplasty Surgeon Marketing: Do Claims Align With the Literature? Arthroplast Today 2024; 27:101357. [PMID: 38524152 PMCID: PMC10958061 DOI: 10.1016/j.artd.2024.101357] [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: 10/09/2023] [Revised: 02/07/2024] [Accepted: 02/16/2024] [Indexed: 03/26/2024] Open
Abstract
Background Robotic total knee arthroplasty (R-TKA) utilization and marketing continue to rise. We examined the marketing on surgeon websites regarding R-TKA benefits and sought to determine if the claims were supported by existing literature. Methods A Google search identified 10 physician websites from each of the 5 largest U.S. markets by population with the term "robotic total knee arthroplasty city, state." Claims on websites about R-TKA were categorized. Literature from 2012-2022 was reviewed for data "for" or "against" each claim. Level of evidence for each publication was collected. Results Fifty websites were captured that included 59 surgeons. A specific R-TKA platform was mentioned on 68% of websites. Website claims about robotics were placed into 8 major categories. Literature review supported the claims of more precise/accurate, reduced injury to tissue, and less pain with more literature "for" than "against" the claims. Conclusions Claims made on physician websites regarding the benefits of R-TKA are variable and not definitively supported by existing literature. Most available data can be categorized into levels of evidence III, IV, and V. There is a paucity of level I evidence to support the various marketing statements. Physicians should be cognizant of both the claims made on their websites and the literature that could be used to support or refute those specific claims.
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Affiliation(s)
| | - Jeffrey B. Stambough
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Simon C. Mears
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - C. Lowry Barnes
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Benjamin Stronach
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Pipino G, Giai Via A, Ratano M, Spoliti M, Lanzetti RM, Oliva F. Robotic Total Knee Arthroplasty: An Update. J Pers Med 2024; 14:589. [PMID: 38929810 PMCID: PMC11204817 DOI: 10.3390/jpm14060589] [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: 03/04/2024] [Revised: 05/17/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024] Open
Abstract
Total knee arthroplasty (TKA) is a gold standard surgical procedure to improve pain and restore function in patients affected by moderate-to-severe severe gonarthrosis refractory to conservative treatments. Indeed, millions of these procedures are conducted yearly worldwide, with their number expected to increase in an ageing and more demanding population. Despite the progress that has been made in optimizing surgical techniques, prosthetic designs, and durability, up to 20% of patients are dissatisfied by the procedure or still report knee pain. From this perspective, the introduction of robotic TKA (R-TKA) in the late 1990s represented a valuable instrument in performing more accurate bone cuts and improving clinical outcomes. On the other hand, prolonged operative time, increased complications, and high costs of the devices slow down the diffusion of R-TKA. The advent of newer technological devices, including those using navigation systems, has made robotic surgery in the operatory room more common since the last decade. At present, many different robots are available, representing promising solutions to avoid persistent knee pain after TKA. We hereby describe their functionality, analyze potential benefits, and hint at future perspectives in this promising field.
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Affiliation(s)
- Gennaro Pipino
- Department of Orthopedic Surgery and Traumatology Villa Erbosa Hospital, Gruppo San Donato, 40129 Bologna, Italy;
- San Raffaele University, 20132 Milan, Italy
| | - Alessio Giai Via
- Department of Orthopedic Surgery and Traumatology, San Camillo-Forlanini Hospital, 00152 Rome, Italy; (M.S.); (R.M.L.)
| | - Marco Ratano
- Unit of Orthopaedics, Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Marco Spoliti
- Department of Orthopedic Surgery and Traumatology, San Camillo-Forlanini Hospital, 00152 Rome, Italy; (M.S.); (R.M.L.)
| | - Riccardo Maria Lanzetti
- Department of Orthopedic Surgery and Traumatology, San Camillo-Forlanini Hospital, 00152 Rome, Italy; (M.S.); (R.M.L.)
| | - Francesco Oliva
- Full Professor Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy;
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Rajasekaran S, Soundarrajan D, Singh R, Shiferaw BA, Rajasekaran RB, Dhanasekararaja P, Rajkumar N. Comparison of imageless robotic assisted total knee arthroplasty and conventional total knee arthroplasty: early clinical and radiological outcomes of 200 knees. J Robot Surg 2024; 18:151. [PMID: 38564044 DOI: 10.1007/s11701-024-01905-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/03/2024] [Indexed: 04/04/2024]
Abstract
The aim of this study was to compare the short term clinical and radiological outcomes of imageless robotic and conventional total knee arthroplasty (TKA) and to estimate the accuracy of the two techniques by analysing the outliers after TKA. We have evaluated 200 consecutive knees (158 patients), 100 knees undergoing robotic TKA, and 100 knees treated with conventional TKA. Demographic parameters like age, gender, body mass index, diagnosis and range of motion were obtained. Knee society score (KSS) and Knee society functional score (KSS-F) were used for clinical evaluation. Mechanical alignment (Hip-knee-ankle angle), proximal tibial angle (MPTA), distal femoral angle (LDFA) and tibial slope were analysed for radiological results and outliers were compared between both groups. Outliers were defined when the measured angle exceeded ± 3° from the neutral alignment in each radiological measurement on the final follow-up radiograph.The minimum follow-up was 6 months (range, 6 to 18 months). The preoperative mean HKA angle was 169.7 ± 11.3° in robotic group and 169.3 ± 7.3° in conventional group. There was significant improvement in HKA, LDFA, MPTA and tibial slope compared to the preoperative values in both the groups (p < 0.01). The number of HKA, LDFA and tibial slope outliers were 31, 29 and 37, respectively, in the conventional group compared to 13, 23 and 17 in the robotic group (p < 0.01). There was a significant improvement in the KSS and KSS-F functional scores postoperatively in both the groups (p < 0.01). However, there was no significant difference in the functional scores between the groups postoperatively (p = 0.08). This study showed excellent improvement with both imageless robotic and conventional TKA, with similar clinical outcomes between both groups. However, radiologically robotic TKA showed better accuracy and consistency with fewer outliers compared with conventional TKA.
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Affiliation(s)
| | | | - Rithika Singh
- Department of Orthopaedics, Ganga Hospital, 313, Mettupalayam Road, Coimbatore, 641 043, India
| | - Bahru Atnafu Shiferaw
- Department of Orthopaedics, Ganga Hospital, 313, Mettupalayam Road, Coimbatore, 641 043, India
| | | | | | - Natesan Rajkumar
- Department of Orthopaedics, Ganga Hospital, 313, Mettupalayam Road, Coimbatore, 641 043, India
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Lee JH, Kwon SC, Hwang JH, Lee JK, Kim JI. Functional alignment maximises advantages of robotic arm-assisted total knee arthroplasty with better patient-reported outcomes compared to mechanical alignment. Knee Surg Sports Traumatol Arthrosc 2024; 32:896-906. [PMID: 38454836 DOI: 10.1002/ksa.12120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 03/09/2024]
Abstract
PURPOSE Robotic arm-assisted total knee arthroplasty (RTKA) enables adjustment of implant position to achieve the surgeon's preferred alignment. However, the alignment concept that most effectively enhances patient satisfaction remains unclear. This study compares the clinical outcomes of patients who underwent functionally aligned RTKA (FA-RTKA), mechanically aligned conventional TKA (MA-CTKA) and mechanically aligned RTKA (MA-RTKA). METHODS A prospectively collected database was retrospectively reviewed for patients who underwent primary TKA for knee osteoarthritis. One hundred and forty-seven knees were performed with MA-CTKA, followed by 72 consecutive knees performed with MA-RTKA, and subsequently, 70 consecutive knees performed with FA-RTKA were enrolled. After 1:1 propensity score matching of patient demographics, 70 knees were finally included in each group. The extent of additional soft tissue release during surgery was identified, and the Coronal Plane Alignment of the Knee classification was utilised to categorise the alignment. At the 1-year follow-up, patient-reported outcomes, including the pain Visual Analogue Scale, Knee Society Score, Western Ontario and McMaster Universities Arthritis Index and Forgotten Joint Score-12, were also compared among the groups. RESULTS The FA-RTKA group showed significantly less additional soft tissue release than the MA-CTKA and MA-RTKA groups (15.7%, 38.6% and 35.7%, respectively; p = 0.006). Statistically significant differences in functional scores were observed in the postoperative 1-year clinical outcomes in favour of the FA-RTKA group, which had a significantly larger percentage of knees that maintained constitutional alignment and joint line obliquity than those of the other groups. CONCLUSIONS Functionally aligned TKA showed superior 1-year postoperative patient-reported outcomes compared with those of conventional and robotic arm-assisted mechanically aligned TKA. Therefore, the advantage of RTKA is maximised when the implant positioning is based on functional alignment. The application of RTKA with mechanical alignment has been proven ineffective in improving the clinical outcomes of patients. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Jong Hwa Lee
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Seung Cheol Kwon
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Ji Hyo Hwang
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Joon Kyu Lee
- Department of Orthopaedic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Joong Il Kim
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
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Goto K, Hirota J, Miyamoto Y, Katsuragawa Y. The Accuracy of a Portable Accelerometer-Based Navigation System for Tibial Alignment Can be Reliable during Total Knee Arthroplasty for Obese Patients. J Knee Surg 2024; 37:303-309. [PMID: 37192656 DOI: 10.1055/a-2094-8822] [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: 05/18/2023]
Abstract
A portable accelerometer-based navigation system can be useful for achieving the target alignment. Tibial registration is based on the medial and lateral malleoli; however, the identification of landmarks may be difficult in obese (body mass index [BMI] >30 kg/m2) patients whose bones are not easily palpable from the body surface. This study compared tibial component alignment achieved using a portable accelerometer-based navigation system (Knee Align 2 [KA2]) in obese and control groups and aimed to validate the accuracy of bone cutting in obese patients. A total of 210 knees that underwent primary total knee arthroplasty using the KA2 system were included. After 1:3 propensity score matching, there were 32 and 96 knees in the BMI >30 group (group O) and BMI ≤30 group (group C), respectively. The absolute deviations of the tibial implant from the intended alignment were evaluated in the coronal plane (hip-knee-ankle [HKA] angle and medial proximal tibial angle) and sagittal plane (posterior tibial slope [PTS]). The inlier rate of each cohort, which was defined as tibial component alignment within 2 degrees of the intended alignment, was investigated. In the coronal plane, the absolute deviations of the HKA and MPTA from the intended alignment were 2.2 ± 1.8 degrees and 1.8 ± 1.5 degrees in group C and 1.7 ± 1.5 degrees and 1.7 ± 1.0 degrees in group O (p = 1.26, and p = 0.532). In the sagittal plane, the absolute deviations of the tibial implant were 1.6 ± 1.2 degrees in group C and 1.5 ± 1.1 degrees in group O (p = 0.570). The inlier rate was not significantly different between group C and group O (HKA: 64.6 vs. 71.9%, p = 0.521; MPTA: 67.7 vs. 78.1%, p = 0.372; PTS: 82.2 vs. 77.8%, p = 0.667). The accuracy of tibial bone cutting for the obese group was comparable to that of the control group. An accelerometer-based portable navigation system can be useful when attempting to achieve the target tibial alignment in obese patients. LEVEL OF EVIDENCE: Level IV.
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Affiliation(s)
- Kazumi Goto
- Department of Orthopaedic Surgery, Mitsui Memorial Hospital, Chiyoda-ku, Tokyo, Japan
| | - Jinso Hirota
- Department of Orthopaedic Surgery, Mitsui Memorial Hospital, Chiyoda-ku, Tokyo, Japan
| | - Yoshinari Miyamoto
- Department of Orthopaedic Surgery, Center Hospital of the National Center for Global Health and Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yozo Katsuragawa
- Department of Orthopaedic Surgery, Mitsui Memorial Hospital, Chiyoda-ku, Tokyo, Japan
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12
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Eachempati KK, Parameswaran A, Apsingi S, Ponnala VK, Agrawal S, Sheth NP. Predictability of implant sizes during cruciate-retaining total knee arthroplasty using an image-free hand-held robotic system. J Robot Surg 2024; 18:62. [PMID: 38308659 DOI: 10.1007/s11701-024-01818-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/01/2024] [Indexed: 02/05/2024]
Abstract
The use of appropriately sized implants is critical for achieving optimal gap balance following total knee arthroplasty (TKA). Inappropriately sized implants could result in several complications. Robot-assisted TKA (RA-TKA) using CT-based pre-operative planning predicts implant sizes with high accuracy. There is scant literature describing the accuracy of image-free RA-TKA in predicting implant sizes. The purpose of this study was to assess the accuracy of an image-free robotic system in predicting implant sizes during RA-TKA. Patients who underwent cruciate-retaining RA-TKA for primary osteoarthritis, using an image-free hand-held robotic system were studied. The predicted and implanted sizes of the femoral component, tibial component and polyethylene insert, for 165 patients, were recorded. Agreement between robot-predicted and implanted component sizes was assessed in percentages, while reliability was assessed using Cohen's weighted kappa coefficient. The accuracy of the robotic system was 63% (weighted-kappa = 0.623, P < 0.001), 94% (weighted-kappa = 0.911, P < 0.001) and 99.4% (weighted-kappa = 0.995, P < 0.001), in predicting exact, ± 1 and ± 2 sizes of the femoral component, respectively. For the tibial component, an accuracy of 15.8% (weighted-kappa = 0.207, P < 0.001), 55.8% (weighted-kappa = 0.378, P < 0.001) and 76.4% (weighted-kappa = 0.568, P < 0.001) was noted, for predicting exact, ± 1 and ± 2 sizes respectively. An accuracy of 88.5%, 98.2% and 100%, was noted for predicting exact, ± 1 and ± 2 sizes of the polyethylene insert respectively. Errors in predicting accurate implant sizes could be multi-factorial. Though the accuracy of image-free RA-TKA with respect to alignment and component positioning is established, the surgeon's expertise should be relied upon while deciding appropriate implant sizes.
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13
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Gamal A, Moschovas MC, Jaber AR, Saikali S, Perera R, Headley C, Patel E, Rogers T, Roche MW, Leveillee RJ, Albala D, Patel V. Clinical applications of robotic surgery platforms: a comprehensive review. J Robot Surg 2024; 18:29. [PMID: 38231279 DOI: 10.1007/s11701-023-01815-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/27/2023] [Indexed: 01/18/2024]
Abstract
Robotic surgery has expanded globally across various medical specialties since its inception more than 20 years ago. Accompanying this expansion were significant technological improvements, providing tremendous benefits to patients and allowing the surgeon to perform with more precision and accuracy. This review lists some of the different types of platforms available for use in various clinical applications. We performed a literature review of PubMed and Web of Science databases in May 2023, searching for all available articles describing surgical robotic platforms from January 2000 (the year of the first approved surgical robot, da Vinci® System, by Intuitive Surgical) until May 1st, 2023. All retrieved robotic platforms were then divided according to their clinical application into four distinct groups: soft tissue robotic platforms, orthopedic robotic platforms, neurosurgery and spine platforms, and endoluminal robotic platforms. Robotic surgical technology has undergone a rapid expansion over the last few years. Currently, multiple robotic platforms with specialty-specific applications are entering the market. Many of the fields of surgery are now embracing robotic surgical technology. We review some of the most important systems in clinical practice at this time.
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Affiliation(s)
- Ahmed Gamal
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA.
| | - Marcio Covas Moschovas
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
- University of Central Florida (UCF), Orlando, FL, USA
| | - Abdel Rahman Jaber
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
| | - Shady Saikali
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
| | - Roshane Perera
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
| | - Chris Headley
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
| | - Ela Patel
- Stanford University, Palo Alto, CA, USA
| | - Travis Rogers
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
| | - Martin W Roche
- Department of Arthroplasty, Hospital for Special Surgery Florida, West Palm Beach, FL, USA
| | | | - David Albala
- Associated Medical Professionals, Urology, Syracuse, NY, USA
| | - Vipul Patel
- Adventhealth Global Robotics Institute, 380 Celebration Place, Orlando, FL, 34747, USA
- University of Central Florida (UCF), Orlando, FL, USA
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14
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Maimaiti Z, Li Z, Li Z, Fu J, Xu C, Chen J, Chai W, Liu L. Ortho-digital dynamics: Exploration of advancing digital health technologies in musculoskeletal disease management. Digit Health 2024; 10:20552076241269613. [PMID: 39148814 PMCID: PMC11325473 DOI: 10.1177/20552076241269613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 06/27/2024] [Indexed: 08/17/2024] Open
Abstract
Background Musculoskeletal (MSK) disorders, affecting billions of people worldwide, pose significant challenges to the healthcare system and require effective management models. The rapid development of digital healthcare technologies (DHTs) has revolutionized the healthcare industry. DHT-based interventions have shown promising clinical benefits in managing MSK disorders, alleviating pain, and improving functional impairment. There is, however, no bibliometric analysis of the overall trends on this topic. Methods We extracted all relevant publications from the Web of Science Core Collection (WoSCC) database until April 30, 2023. We performed bibliometric analysis and visualization using CiteSpace, VOSviewer, and R software. Annual trends of publications, countries/regions distributions, funding agencies, institutions, co-cited journals, author contributions, references, core journals, and keywords and research hotspots were analyzed. Results A total of 6810 papers were enrolled in this study. Publications have increased drastically from 16 in 1995 to 1198 in 2022, with 4067 articles published in the last five years. In all, 53 countries contributed with publications to this research area. The United States, the United Kingdom, and China were the most productive countries. Harvard University was the most contributing institution. Regarding keywords, research focuses include artificial intelligence, deep learning, machine learning, telemedicine, rehabilitation, and robotics. Conclusion The COVID-19 pandemic has further accelerated the adoption of DHTs, highlighting the need for remote care options. The analysis reveals the positive impact of DHTs on improving physician productivity, enhancing patient care and quality of life, reducing healthcare expenditures, and predicting outcomes. DHTs are a hot topic of research not only in the clinical field but also in the multidisciplinary intersection of rehabilitation, nursing, education, social and economic fields. The analysis identifies four promising hotspots in the integration of DHTs in MSK pain management, biomechanics assessment, MSK diagnosis and prediction, and robotics and tele-rehabilitation in arthroplasty care.
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Affiliation(s)
- Zulipikaer Maimaiti
- Department of Orthopedics, Beijing Luhe Hospital, Capital Medical University, Beijing, China
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Zhuo Li
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhiyuan Li
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Jun Fu
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Chi Xu
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Jiying Chen
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Wei Chai
- Senior Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Liang Liu
- Department of Orthopedics, Beijing Luhe Hospital, Capital Medical University, Beijing, China
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15
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Bollars P, Janssen D, De Weerdt W, Albelooshi A, Meshram P, Nguyen TD, Lacour MT, Schotanus MGM. Improved accuracy of implant placement with an imageless handheld robotic system compared to conventional instrumentation in patients undergoing total knee arthroplasty: a prospective randomized controlled trial using CT-based assessment of radiological outcomes. Knee Surg Sports Traumatol Arthrosc 2023; 31:5446-5452. [PMID: 37796307 DOI: 10.1007/s00167-023-07590-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 09/11/2023] [Indexed: 10/06/2023]
Abstract
PURPOSE Image-free handheld robotic-assisted total knee arthroplasty (RATKA) has shown to achieve desired limb alignment compared to conventional jig-based instrumented total knee arthroplasty (CTKA). The aim of this prospective randomized controlled trial (RCT) was to evaluate the accuracy of a semi-autonomous imageless handheld RATKA compared to CTKA in order to achieve the perioperative planned target alignment of the knee postoperatively. METHODS Fifty-two patients with knee osteoarthritis were randomized in 1:1 ratio to undergo unilateral CTKA or an imageless handheld RATKA. A full-length lower limb CT-scan was obtained pre- and 6-week postoperative. The primary outcomes were radiologic measurements of achieved target hip-knee-ankle axis (HKA-axis) and implant component position including varus and external rotation and flexion of the femur component, and posterior tibial slope. The proportion of outliers in above radiographic outcomes, defined as > 3° deviation in postoperative CT measurements as compared to perioperative planned target, were also noted. Knee phenotypes were compared with use of the Coronal Plane Alignment of the Knee (CPAK) classification. RESULTS Baseline conditions were comparable between both groups. The overall proportion and percentage of outliers (n = 38, 24.4% vs n = 9, 5.8%) was statistically significant (p < 0.001) in favor of RATKA. The achieved varus-valgus of the femoral component (varus 1.3° ± 1.7° vs valgus - 0.1° ± 1.9°, p < 0.05) with statistically significant less outliers (0% vs 88.5%, p < 0.01), the achieved HKA-axis (varus 0.4° ± 2.1° vs valgus - 1.2° ± 2.1°, p < 0.05) and the posterior tibial slope (1.4° ± 1.1° vs 3.2° ± 1.8°, p < 0.05) were more accurate with RATKA. The most common postoperative CPAK categories were type II (50% CTKA vs 61.5% RATKA), type I (3.8% CTKA vs 23.1% RATKA) and type V (26.9% CTKA vs 15.4% RATKA). CPAK classification III was only found in CTKA (19.2%). Type VI, VII, VIII, and IX were rare in both populations. CONCLUSIONS The present trial demonstrates that an imageless handheld RATKA system can be used to accurately perioperatively plan the desired individual component implant positions with less alignment outliers whilst aiming for a constitutional alignment. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Peter Bollars
- Department of Orthopedic Surgery, St. Trudo Hospital, Sint-Truiden, Belgium.
| | - Daniel Janssen
- Department of Orthopedic Surgery, St. Trudo Hospital, Sint-Truiden, Belgium
| | - Wim De Weerdt
- Department of Orthopedic Surgery, St. Trudo Hospital, Sint-Truiden, Belgium
| | - Ali Albelooshi
- Department of Orthopedic Surgery, Mediclinic City Hospital, Dubai Healthcare City, Dubai, United Arab Emirates
- Orthocure Medical Center, Dubai, United Arab Emirates
| | - Prashant Meshram
- Department of Orthopedic Surgery, Mediclinic City Hospital, Dubai Healthcare City, Dubai, United Arab Emirates
- Orthocure Medical Center, Dubai, United Arab Emirates
| | - Thang D Nguyen
- Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN, USA
| | - Michael T Lacour
- Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN, USA
| | - Martijn G M Schotanus
- Department of Orthopedic Surgery and Traumatology, Zuyderland Medical Center, Sittard-Geleen, The Netherlands
- School of Care and Public Health Research Institute, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
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16
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Twomey-Kozak J, Hurley E, Levin J, Anakwenze O, Klifto C. Technological innovations in shoulder replacement: current concepts and the future of robotics in total shoulder arthroplasty. J Shoulder Elbow Surg 2023; 32:2161-2171. [PMID: 37263482 DOI: 10.1016/j.jse.2023.04.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/04/2023] [Accepted: 04/12/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND Total shoulder arthroplasty (TSA) has been rapidly evolving over the last several decades, with innovative technological strategies being investigated and developed in order to achieve optimal component precision and joint alignment and stability, preserve implant longevity, and improve patient outcomes. Future advancements such as robotic-assisted surgeries, augmented reality, artificial intelligence, patient-specific instrumentation (PSI) and other peri- and preoperative planning tools will continue to revolutionize TSA. Robotic-assisted arthroplasty is a novel and increasingly popular alternative to the conventional arthroplasty procedure in the hip and knee but has not yet been investigated in the shoulder. Therefore, the purpose of this study was to conduct a narrative review of the literature on the evolution and projected trends of technological advances and robotic assistance in total shoulder arthroplasty. METHODS A narrative synthesis method was employed for this review, rather than a meta-analysis or systematic review of the literature. This decision was based on 2 primary factors: (1) the lack of eligible, peer-reviewed studies with high-quality level of evidence available for review on robotic-assisted shoulder arthroplasty, and (2) a narrative review allows for a broader scope of content analysis, including a comprehensive review of all technological advances-including robotics-within the field of TSA. A general literature search was performed using PubMed, Embase, and Cochrane Library databases. These databases were queried by 2 independent reviewers from database inception through November 11, 2022, for all articles investigating the role of robotics and technology assistance in total shoulder arthroplasty. Inclusion criteria included studies describing "shoulder arthroplasty" and "robotics." RESULTS After exclusion criteria were applied, 4 studies on robotic-assisted TSA were described in the review. Given the novelty of this technology and limited data on robotics in TSA, these studies consisted of a literature review, nonvalidated experimental biomechanical studies in sawbones models, and preclinical proof-of-concept cadaveric studies using prototype robotic technology primarily in conjunction with PSI. The remaining studies described the technological advancements in TSA, including PSI, computer-assisted navigation, artificial intelligence, machine learning, and virtual, augmented, and mixed reality. Although not yet commercially available, robotic-assisted TSA confers the theoretical advantages of precise humeral head cuts for restoration of proximal humerus anatomy, more accurate glenoid preparation, and improved soft-tissue assessment in limited early studies. CONCLUSION The evidence for the use of robotics in total hip arthroplasty and total knee arthroplasty demonstrates improved component accuracy, more precise radiographic measurements, and improved early/mid-term patient-reported and functional outcomes. Although no such data currently exist for shoulder arthroplasty given that the technology has not yet been commercialized, the lessons learned from robotic hip and knee surgery in conjunction with its rapid adoption suggests robotic-assisted TSA is on the horizon of innovation. By achieving a better understanding of the past, present, and future innovations in TSA through this narrative review, orthopedic surgeons can be better prepared for future applications.
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Affiliation(s)
- Jack Twomey-Kozak
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA.
| | - Eoghan Hurley
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Jay Levin
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Oke Anakwenze
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Christopher Klifto
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
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17
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Rullán PJ, Grits D, Potluri A, Emara AK, Klika AK, Mont MA, Piuzzi NS. Identifying Trends and Quantifying Growth for Technological Innovation in Knee Arthroplasty: An Analysis of a Patent Database (1990 to 2020). J Knee Surg 2023; 36:1209-1217. [PMID: 36138534 DOI: 10.1055/s-0042-1756503] [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: 02/07/2023]
Abstract
Technological innovation is the key for surgical progress in knee arthroplasty and improvement in patient outcomes. Exploring patented technologies can help elucidate trends and growth for numerous innovative technologies. However, patent databases, which contain millions of patents, remain underused in arthroplasty research. Therefore, the present study aimed to: (1) quantify patent activity; (2) group patents related to similar technologies into well-defined clusters; and (3) compare growth between technologies in the field of knee arthroplasty over a 30-year period. An open-source international patent database was queried from January 1990 to January 2020 for all patents related to knee arthroplasty A search strategy identified 70,154 patents, of which 24,425 were unique and included analysis. Patents were grouped into 14 independent technology clusters using Cooperative Patent Classification (CPC) codes. Patent activity was normalized via a validated formula adjusting for exponential growth. Compound annual growth rates (CAGR) were calculated (5-year, 10-year, and 30-year CAGR) and compared for each cluster. Overall yearly patent activity increased by 2,023%, from 104 patents in 1990 to 2,208 patents in 2020. The largest technology clusters were "drugs" (n = 5,347; 23.8%), "components" (n = 4,343; 19.0%), "instruments" (n = 3,130; 13.7%), and "materials" (n = 2,378; 10.4%). The fastest growing technologies with their 5-year CAGR were: "user interfaces for surgical systems" (58.1%); "robotics" (28.6%); "modularity" (21.1%); "navigation" (15.7%); and "computer modeling" (12.5%). Since 1990, overall patent growth rate has been greatest for "computer modeling" (8.4%), "robotics" (8.0%), "navigation" (7.9%), and "patient-specific instrumentation" (6.4%). Most patents in knee arthroplasty for the last 30 years have focused on drugs, components, instruments, and materials. Recent exponential growth was mainly observed for user interfaces for surgical systems, robotics, modularity, navigation, and computer-assisted technologies. Innovation theory would suggest that these rapidly growing technologies are experiencing high innovation output, increased resource investments, growing adoption by providers, and significant clinical impact. Periodic monitoring of technological innovation via patent databases can be useful to establish trends and future directions in the field of knee arthroplasty.
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Affiliation(s)
- Pedro J Rullán
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Daniel Grits
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Ajay Potluri
- School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Ahmed K Emara
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Alison K Klika
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Michael A Mont
- Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Nicolas S Piuzzi
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
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18
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Prakash R, Agrawal Y. Robotic technology in total knee arthroplasty. Br J Hosp Med (Lond) 2023; 84:1-9. [PMID: 37364881 DOI: 10.12968/hmed.2022.0491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Key factors for successful total knee arthroplasty include accurate implant positioning with precise tibial and femoral resection, combined with appropriate soft tissue balancing to achieve the desired alignment. Robotic-assisted total knee arthroplasty allows surgeons to execute pre-planned strategies with precision, with growing evidence suggesting that robotic-assisted-total knee arthroplasty reduces radiological outliers. This has yet to be proven to translate into long-term improvements in patient-reported outcomes and implant survivorship. Robotic-assisted-total knee arthroplasty systems can be divided into fully autonomous and semi-autonomous systems. While fully autonomous systems showed initial promise, semi-autonomous systems are gaining popularity with encouraging early outcomes suggesting improved radiological and clinical outcomes, although concerns remain regarding a significant learning curve, installation costs, radiation exposure and cost associated with preoperative imaging. The future of total knee arthroplasty seems certain to involve robotic technology, although to what degree and in what capacity will depend on further high-quality studies assessing long-term outcomes, complications, survivorship and cost-benefit analyses.
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Affiliation(s)
- Rohan Prakash
- Department of Trauma and Orthopaedics, Royal Orthopaedic Hospital, Birmingham, UK
| | - Yuvraj Agrawal
- Department of Trauma and Orthopaedics, Royal Orthopaedic Hospital, Birmingham, UK
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19
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Wang J, Hall TAG, Musbahi O, Jones GG, van Arkel RJ. Predicting hip-knee-ankle and femorotibial angles from knee radiographs with deep learning. Knee 2023; 42:281-288. [PMID: 37119601 DOI: 10.1016/j.knee.2023.03.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/25/2023] [Accepted: 03/09/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND Knee alignment affects the development and surgical treatment of knee osteoarthritis. Automating femorotibial angle (FTA) and hip-knee-ankle angle (HKA) measurement from radiographs could improve reliability and save time. Further, if HKA could be predicted from knee-only radiographs then radiation exposure could be reduced and the need for specialist equipment and personnel avoided. The aim of this research was to assess if deep learning methods could predict FTA and HKA angle from posteroanterior (PA) knee radiographs. METHODS Convolutional neural networks with densely connected final layers were trained to analyse PA knee radiographs from the Osteoarthritis Initiative (OAI) database. The FTA dataset with 6149 radiographs and HKA dataset with 2351 radiographs were split into training, validation, and test datasets in a 70:15:15 ratio. Separate models were developed for the prediction of FTA and HKA and their accuracy was quantified using mean squared error as loss function. Heat maps were used to identify the anatomical features within each image that most contributed to the predicted angles. RESULTS High accuracy was achieved for both FTA (mean absolute error 0.8°) and HKA (mean absolute error 1.7°). Heat maps for both models were concentrated on the knee anatomy and could prove a valuable tool for assessing prediction reliability in clinical application. CONCLUSION Deep learning techniques enable fast, reliable and accurate predictions of both FTA and HKA from plain knee radiographs and could lead to cost savings for healthcare providers and reduced radiation exposure for patients.
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Affiliation(s)
- Jinhong Wang
- Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - Thomas A G Hall
- Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - Omar Musbahi
- Department of Surgery and Cancer, Imperial College London, White City Campus, London W12 0BZ, United Kingdom
| | - Gareth G Jones
- Department of Surgery and Cancer, Imperial College London, White City Campus, London W12 0BZ, United Kingdom
| | - Richard J van Arkel
- Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom.
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20
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Nedopil AJ, Hernandez AM, Boone JM, Howell SM, Hull ML. Correcting for distal femoral asymmetry is necessary to determine postoperative alignment deviations from planned alignment of the femoral component. Knee 2023; 42:193-199. [PMID: 37054496 DOI: 10.1016/j.knee.2023.01.013] [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: 02/23/2022] [Revised: 08/07/2022] [Accepted: 01/26/2023] [Indexed: 04/15/2023]
Abstract
BACKGROUND One method for assessing the accuracy of manual, patient-specific, navigational, and robotic-assisted total knee arthroplasty (TKA) instrumentation is to use a post-operative computer tomogram and determine the deviation of the femoral component alignment relative to the planned alignment in the native (i.e. healthy) contralateral distal femoral epiphysis. However, side-to-side asymmetry might introduce errors which inflate alignment deviations. This study quantified asymmetry in the distal femoral epiphysis. METHODS High resolution CT images (0.5 mm slice thickness) were acquired from bilateral lower limb specimens of 13 skeletally mature subjects with no skeletal abnormalities. Images were segmented to generate 3D femur models. Asymmetry was quantified by differences in positions and orientations required to shape-match the distal epiphysis of the mirror 3D femur model to the distal epiphysis of the contralateral 3D femur model. RESULTS Asymmetry was due to random rather than systematic differences. Random differences (i.e. standard deviations) in proximal-distal (P-D) and anterior-posterior (A-P) positions were 1.1 mm and in varus-valgus (V-V) and internal-external (I-E) orientations were 0.9° and 1.3°, respectively. These represented substantial relative errors of up to 50 % in previously reported overall alignment deviations. CONCLUSIONS Although small in an absolute sense, asymmetry of the distal femur epiphysis introduced substantial relative errors when assessing accuracy of femoral component alignment in TKA. When post-operative computer tomograms are used to assess the accuracy of manual, patient specific, navigational, and robotic-assisted TKA instrumentation, the overall deviation should be corrected for asymmetry to better indicate the accuracy of the surgical technique.
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Affiliation(s)
- Alexander J Nedopil
- Department of Orthopaedic Surgery, König-Ludwig-Haus, University of Würzburg, Brettreichstraße 11, 97074 Würzburg, Germany.
| | - Andrew M Hernandez
- Department of Radiology, University of California at Davis, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA
| | - John M Boone
- Department of Radiology, University of California at Davis, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA
| | - Stephen M Howell
- Department of Biomedical Engineering, University of California at Davis, 451 E. Health Sciences Drive, Room 2303, Davis, CA 95616, United States.
| | - Maury L Hull
- Department of Biomedical Engineering, University of California at Davis, 451 E. Health Sciences Drive, Room 2303, Davis, CA 95616, United States; Department of Mechanical Engineering, University of California at Davis, One Shields Avenue, Davis, CA 95616 USA; Department of Orthopaedic Surgery, University of California at Davis Medical Center, Sacramento, CA 95817 USA.
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21
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Batailler C, Putzeys P, Lacaze F, Vincelot-Chainard C, Fontalis A, Servien E, Lustig S. Patellofemoral Arthroplasty Is an Efficient Strategy for Isolated Patellofemoral Osteoarthritis with or without Robotic-Assisted System. J Pers Med 2023; 13:jpm13040625. [PMID: 37109011 PMCID: PMC10142406 DOI: 10.3390/jpm13040625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
There is relative paucity in the literature concerning outcomes after robotic-assisted Patellofemoral Arthroplasty (PFA). The aims were (1) to evaluate outcomes in patients undergoing PFA with inlay or onlay components, with or without robotic arm assistance and (2) to identify risk factors of poor outcomes after PFA. This retrospective study included 77 PFA for isolated patellofemoral joint osteoarthritis, assigned to three groups (18 conventional technique, 17 image-free robotic-assisted system and 42 image-based robotic-assisted system). The demographic data were comparable between the three groups. The clinical outcomes assessed were: Visual Analogue Scale, Knee Society Score, Kujala score and satisfaction rate. The radiological measures were: Caton Deschamps index, patellar tilt and frontal alignment of the trochlea. Functional outcomes, satisfaction rate and residual pain were comparable between the three groups. Patellar tilt improvement was superior when a robotic device was used (either image-based or image-free) compared to the conventional technique. There were three revisions (3.9%) at the last follow-up related to femorotibial osteoarthritis progression. Multivariate analysis found no significant risk factors for poor outcomes, with respect to the surgical technique or implant design. Functional outcomes and revisions rate after PFA were comparable between the surgical techniques and implants. Robotic-assisted systems were associated with a superior improvement of the patellar tilt compared to the conventional technique.
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Affiliation(s)
- Cécile Batailler
- Department of Orthopaedics, Croix Rousse Hospital, Claude Bernard Lyon 1 University, 69004 Lyon, France
- IFSTTAR, LBMC UMR_T9406, Claude Bernard Lyon 1 University, 69100 Lyon, France
| | - Pit Putzeys
- Department of Orthopaedics, Hôpitaux Robert Schuman, L-2540 Luxembourg, Luxembourg
| | - Franck Lacaze
- Department of Orthopaedics, ORTHOSUD, Clinique St Jean Sud de France, 34430 Saint Jean de Vedas, France
| | | | - Andreas Fontalis
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals, London NW1 2BU, UK
| | - Elvire Servien
- Department of Orthopaedics, Croix Rousse Hospital, Claude Bernard Lyon 1 University, 69004 Lyon, France
- Interuniversity Laboratory of Biology of Mobility (LIBM-EA 7424), Claude Bernard Lyon 1 University, 69003 Lyon, France
| | - Sébastien Lustig
- Department of Orthopaedics, Croix Rousse Hospital, Claude Bernard Lyon 1 University, 69004 Lyon, France
- IFSTTAR, LBMC UMR_T9406, Claude Bernard Lyon 1 University, 69100 Lyon, France
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22
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Sequeira SB, Duvall GT, Boucher H. A biomechanical comparison between robotic and conventional total knee arthroplasty (TKA) in resection accuracy: a meta-analysis on cadaveric specimens. J Exp Orthop 2023; 10:34. [PMID: 36995538 PMCID: PMC10063757 DOI: 10.1186/s40634-023-00587-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 02/10/2023] [Indexed: 03/31/2023] Open
Abstract
PURPOSE Robotic total knee arthroplasty (TKA) has seen a rapid increase in utilization with recent literature suggesting that implant accuracy and resection are better optimized than in conventional TKA. The purpose of this study was to evaluate the biomechanical properties of robotic-assisted versus conventional TKA in minimizing biplanar femoral and tibial resection error in cadaveric specimens. METHODS A systematic review and meta-analysis was performed by searching through PubMed, Cochrane library, and Embase to identify studies that analyzed the biomechanical properties of robotic assisted and conventional TKA, according to standard PRISMA guidelines. Evaluated outcomes included femoral coronal resection error (deg), femoral sagittal resection error (deg), tibial coronal resection error (deg), and tibial sagittal resection error (deg). RESULTS Seven studies met inclusion criteria, including a total of 140 cadaveric specimens (robotic: 70, conventional: 70), for resection accuracy between robotic and conventional TKA. Pooled analysis from seven studies revealed a significant difference in femoral coronal and sagittal resection error in favor of robotic systems compared to conventional systems (p < 0.001 & p < 0.001, respectively). The pooled analysis from seven studies revealed a significant difference in tibial sagittal resection error in favor of robotic systems compared to conventional systems following TKA (p = 0.012). Posthoc power analysis revealed a power of 87.2%. CONCLUSION The use of robotic TKA is associated with lower femoral coronal, lower femoral sagittal and tibial sagittal resection error compared to conventional TKA. It should be noted that these findings are purely biomechanical - surgeons should interpret these findings along with clinical differences between conventional and robotic systems to determine which system is best for each patient.
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Affiliation(s)
- Sean B Sequeira
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, 3333 North Calvert, Street, Suite 400, Baltimore, MD, 21218, USA.
| | - Grant T Duvall
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, 3333 North Calvert, Street, Suite 400, Baltimore, MD, 21218, USA
| | - Henry Boucher
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, 3333 North Calvert, Street, Suite 400, Baltimore, MD, 21218, USA
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23
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Li C, Zhang T, Wang H, Hou Z, Zhang Y, Chen W. Advanced surgical tool: Progress in clinical application of intelligent surgical robot. SMART MEDICINE 2022; 1:e20220021. [PMID: 39188736 PMCID: PMC11235784 DOI: 10.1002/smmd.20220021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 11/07/2022] [Indexed: 08/28/2024]
Abstract
Surgical robot is a revolutionary tool conceived in the progress of clinical medicine, computer science, microelectronics and biomechanics. It provides the surgeon with clearer views and more comfortable surgical postures. With the assistance of computer navigation during delicate operations, it can further shorten the patient recovery time via reducing intraoperative bleeding, the risk of infection and the amount of anesthesia needed. As a comprehensive surgical revolution, surgical robot technique has a wide range of applications in related fields. This paper reviews the development status and operation principles of these surgical robots. At the same time, we also describe their up-to-date applications in different specialties and discusses the prospects and challenges of surgical robots in the medical area.
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Affiliation(s)
- Chao Li
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
| | - Tongtong Zhang
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
| | - Haoran Wang
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
| | - Zhiyong Hou
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
| | - Yingze Zhang
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
| | - Wei Chen
- Department of Orthopaedicsthe Third Hospital of Hebei Medical UniversityOrthopaedic Research Institution of Hebei ProvinceNHC Key Laboratory of Intelligent Orthopaedic EquipmentShijiazhuangChina
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24
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Mancino F, Jones CW, Benazzo F, Singlitico A, Giuliani A, De Martino I. Where are We Now and What are We Hoping to Achieve with Robotic Total Knee Arthroplasty? A Critical Analysis of the Current Knowledge and Future Perspectives. Orthop Res Rev 2022; 14:339-349. [PMID: 36274930 PMCID: PMC9586165 DOI: 10.2147/orr.s294369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 09/29/2022] [Indexed: 11/30/2022] Open
Abstract
Robotic-assisted total knee arthroplasty (rTKA) has been developed to improve knee kinematics and functional outcomes, expedite recovery, and improve implants long-term survivorship. Robotic devices are classified into active, semi-active, and passive, based on their degree of freedom. Their capacity to provide increased accuracy in implants positioning with reduced radiographic outliers has been widely proved. However, these early advantages are yet to be associated with long-term survivorship. Moreover, multiple drawbacks are still encountered including a variable learning curve, increased setup and maintenance costs, and potential complications related to the surgical technique. Despite recent technologies applied to TKA have failed to prove substantial improvements, robotic-assisted surgery seems to be here to stay and revolutionize the field of TKA. To support its consistent usage on a daily basis, long-term results are still awaited, and further improvements are necessary to reduce the expenses related to it.
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Affiliation(s)
- Fabio Mancino
- Department of Orthopaedics, The Orthopaedic Research Foundation of Western Australia (ORFWA), Fiona Stanley Hospital, Perth, Western Australia, Australia
| | - Christopher W Jones
- Department of Orthopaedics, The Orthopaedic Research Foundation of Western Australia (ORFWA), Fiona Stanley Hospital, Perth, Western Australia, Australia,Curtin University, Perth, Western Australia, Australia
| | - Francesco Benazzo
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, Fondazione Poliambulanza, Brescia, Italy,IUSS, Istituto di Studi Superiori, Pavia, Italy
| | | | | | - Ivan De Martino
- Università Cattolica del Sacro Cuore, Roma, Italy,Unità di Ortopedia e Traumatologia, Dipartimento di Scienze dell’Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy,Correspondence: Ivan De Martino, Unità di Ortopedia e Traumatologia, Dipartimento di Scienze dell’Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo A. Gemelli 8, Roma, 00168, Italy, Tel +39 3512412491, Email ;
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25
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Rullán PJ, Zhou G, Emara AK, Klika AK, Koroukian S, Piuzzi NS. Understanding rates, risk factors, and complications associated with manipulation under anesthesia after total knee arthroplasty (TKA): An analysis of 100,613 TKAs. Knee 2022; 38:170-177. [PMID: 36058125 DOI: 10.1016/j.knee.2022.08.009] [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: 12/08/2021] [Revised: 08/14/2022] [Accepted: 08/17/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Considering the growing adoption of technology-assisted total knee arthroplasties (TKA), previous database studies evaluating post-operative stiffness may be outdated. The present study aimed to: (1) evaluate the incidence of manipulation under anesthesia (MUA) after primary TKA; (2) determine independent risk factors for MUA; and (3) assess complications after MUA. METHODS Primary TKAs, with at least 6-month follow-up, were identified from the Florida State Inpatient Database (January 2016-June 2018) and linked to outpatient records from the Florida State Ambulatory Surgery and Services Database. Multivariable regression analyses were performed to compare patient factors and complications (e.g., mechanical, non-mechanical, infectious) associated with MUA, while adjusting for baseline demographics, comorbidities, use of robotic- and computer-technologies, time to MUA (0-3, 3-12, or >12 months), and need for repeat MUA (one-time vs >1). RESULTS The MUA rate was 2.8% (2821 of 100,613). Being younger, a woman, Black or Hispanic; having private or self-pay insurance; and conventional TKA were associated with significantly higher odds of undergoing MUA. Higher rates of mechanical complications and acute posthemorrhagic anemia were observed in the MUA cohort. Time to MUA, repeat MUA, and baseline demographics were not associated with complication rates among the MUA cohort. CONCLUSION Overall, 1 in 36 patients underwent MUA after primary TKA. Several non-modifiable patient characteristics, such as Black or Hispanic race, female sex, and younger age were associated with an increased risk of MUA. However, technology-assisted TKA might help to decrease the risk of MUA.
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Affiliation(s)
- Pedro J Rullán
- Cleveland Clinic Foundation, Department of Orthopaedic Surgery, Cleveland, OH 44195, USA.
| | - Guangjin Zhou
- Case Western Reserve University, Department of Population and Quantitative Health Sciences, Cleveland, OH 44106, USA.
| | - Ahmed K Emara
- Cleveland Clinic Foundation, Department of Orthopaedic Surgery, Cleveland, OH 44195, USA.
| | - Alison K Klika
- Cleveland Clinic Foundation, Department of Orthopaedic Surgery, Cleveland, OH 44195, USA.
| | - Siran Koroukian
- Case Western Reserve University, Department of Population and Quantitative Health Sciences, Cleveland, OH 44106, USA.
| | - Nicolas S Piuzzi
- Cleveland Clinic Foundation, Department of Orthopaedic Surgery, Cleveland, OH 44195, USA.
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Tuecking LR, Ettinger M, Windhagen H, Savov P. [Market overview: Robotic-assisted arthroplasty : Current robotic systems, learning curve and cost analysis]. ORTHOPADIE (HEIDELBERG, GERMANY) 2022; 51:727-738. [PMID: 35945459 DOI: 10.1007/s00132-022-04286-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Robotic-assisted arthroplasty has been rapidly entering clinical routine in recent years. The leading endoprosthesis manufacturers have all meanwhile placed robotic systems on the market, which, however, differ significantly from one another technically. Current systems are currently classified according to the degree of autonomy (active vs. semi-active vs. passive) and the data/image source (image-based: CT vs. X‑ray, imageless). Some systems already offer the possibility of robotic-assisted or navigated implantation of hip endoprostheses. In the following review article, the currently leading robotic systems will be presented and compared with regard to their characteristics. Furthermore, the analysis of the learning curves for the different systems, currently available cost analysis models and an outlook on future developments and challenges will be given.
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Affiliation(s)
- Lars-René Tuecking
- Orthopädische Klinik der MHH im Diakovere Annastift, Anna-von-Borries-Str. 1-6, 30625, Hannover, Deutschland.
| | - Max Ettinger
- Orthopädische Klinik der MHH im Diakovere Annastift, Anna-von-Borries-Str. 1-6, 30625, Hannover, Deutschland
| | - Henning Windhagen
- Orthopädische Klinik der MHH im Diakovere Annastift, Anna-von-Borries-Str. 1-6, 30625, Hannover, Deutschland
| | - Peter Savov
- Orthopädische Klinik der MHH im Diakovere Annastift, Anna-von-Borries-Str. 1-6, 30625, Hannover, Deutschland
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27
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Shin C, Crovetti C, Huo E, Lionberger D. Unsatisfactory accuracy of recent robotic assisting system ROSA for total knee arthroplasty. J Exp Orthop 2022; 9:82. [PMID: 35984537 PMCID: PMC9391541 DOI: 10.1186/s40634-022-00522-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Purpose The purpose of this study was to quantify accuracy of a recently FDA-approved robotic-assisted device. Methods Thirty-seven patients underwent TKA with the Robotic Surgical Assistant (ROSA) by the same operating surgeon and team over the course of 3 months. Intra-operative mechanical axis measurements, composed of alpha (α), beta (β), gamma (γ), and delta (δ) angles, and the hip-knee-ankle angle (HKA) were calculated by the ROSA. Post-operative mechanical implant angles were taken from 36″ stitched post-op films and measured in the PACS imaging system. Accuracy was assessed by comparing the percentage of postoperative long length films within 2° and 3° of the ROSA intra-operative plan. Results The ROSA system accurately calculated the HKA, α, and β angles (95% CI), but was inaccurate in calculating both γ and δ angles. Using a window of ± 3° accuracy, the HKA, α and β angles were accurate at levels of 89, 100 and 92% respectively. In contrast, the sagittal relationships were considerably less accurate at 77 and 74% for the γ and δ angles respectively. Subsequently, the proportion of cases within 2 and 3 degrees of the intra-operative plan for resection angles was considered accurate for HKA (73% within 2°, 89% within 3°), α (92% within 2°, 100% within 3°), and β (76% within 2°, 92% within 3°) angles, but considered inaccurate for γ (51% within 2°, 77% within 3°) and δ angles (57% within 2°, 74% within 3°). Conclusions This study demonstrated that while the ROSA system seems to accurately predict coronal plane resections in TKA, it falls short in the sagittal plane. Further research in these deficiencies can provide insight into the overall efficacy of robotic assisted surgery in TKA. Level of Evidence Level III Therapeutic Study.
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Affiliation(s)
- Caleb Shin
- Department of Orthopaedic Surgery, Houston Methodist Hospital, 6445 Main St, Houston, TX, USA. .,Texas A&M College of Medicine, Bryan, TX, USA.
| | - Chelsea Crovetti
- Department of Orthopaedic Surgery, Houston Methodist Hospital, 6445 Main St, Houston, TX, USA.,Texas A&M College of Medicine, Bryan, TX, USA
| | - Enshuo Huo
- Department of Orthopaedic Surgery, Houston Methodist Hospital, 6445 Main St, Houston, TX, USA
| | - David Lionberger
- Department of Orthopaedic Surgery, Houston Methodist Hospital, 6445 Main St, Houston, TX, USA
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Navigated and Robot-Assisted Technology in Total Knee Arthroplasty: Do Outcome Differences Achieve Minimal Clinically Important Difference? J Arthroplasty 2022; 37:1562-1569. [PMID: 35367335 DOI: 10.1016/j.arth.2022.03.075] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/25/2022] [Accepted: 03/25/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND In total knee arthroplasty (TKA), computer-assisted navigation (N-TKA) and robotic-assisted methods (RA-TKA) are intended to increase precision of mechanical and component alignment. However, the clinical significance of published patient-reported outcome measure (PROM) differences in comparison to conventional TKA (C-TKA) is unknown. METHODS A systematic review was performed to identify all studies reporting perioperative PROMs for either primary N-TKA or RA-TKA with a C-TKA comparison cohort with a minimum 1-year follow-up. Relative improvements in PROMs for the two cohorts were compared to published minimal clinically important difference (MCID) values. RESULTS After systematic review, 21 studies (N = 3,214) reporting on N-TKA and eight studies (N = 1,529) reporting on RA-TKA met inclusion criteria. Eighteen of 20 studies (90%) reported improved radiographic outcomes with N-TKA relative to C-TKA; five of five studies reported improved radiographic outcomes with RA-TKA relative to C-TKA. Five of 21 studies (24%) reported statistically significant greater improvements in clinical PROMs for N-TKA relative to C-TKA, whereas only two (10%) achieved clinical significance relative to MCID on a secondary analysis. One of 8 studies (13%) reported statistically significant greater improvements in PROMs for RA-TKA relative to C-TKA, whereas none achieved clinical significance relative to MCID on a secondary analysis. No studies reported a significant difference in revision rates. CONCLUSION While most studies comparing RA-TKA and N-TKA with C-TKA demonstrate improved radiographic alignment outcomes, a minority of studies reported PROM differences that achieve clinical significance. Future studies should report data and be interpreted in the context of clinical significance to establish patient and surgeon expectations for emerging technologies.
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