{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T12:02:19Z","timestamp":1777982539535,"version":"3.51.4"},"reference-count":37,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T00:00:00Z","timestamp":1775174400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T00:00:00Z","timestamp":1775174400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Robotic Surg"],"DOI":"10.1007\/s11701-026-03370-0","type":"journal-article","created":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T06:36:55Z","timestamp":1775198215000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Early clinical outcomes and preliminary radiological observations of VELYS-assisted versus conventional total knee arthroplasty: a meta-analysis"],"prefix":"10.1007","volume":"20","author":[{"given":"Changjiao","family":"Sun","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Ma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xijiu","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaofei","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huimin","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xu","family":"Cai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,4,3]]},"reference":[{"key":"3370_CR1","doi-asserted-by":"publisher","first-page":"111857","DOI":"10.5312\/wjo.v16.i11.111857","volume":"16","author":"SMT Hassan","year":"2025","unstructured":"Hassan SMT, Hussain S, Wasim S et al (2025) Etiology of total knee arthroplasty failure and functional outcome of revision knee arthroplasty. World J Orthop 16:111857. https:\/\/doi.org\/10.5312\/wjo.v16.i11.111857","journal-title":"World J Orthop"},{"key":"3370_CR2","doi-asserted-by":"publisher","first-page":"1729","DOI":"10.1016\/j.arth.2020.01.065","volume":"35","author":"HE Matar","year":"2020","unstructured":"Matar HE, Platt SR, Gollish JD, Cameron HU (2020) Overview of Randomized Controlled Trials in Total Knee Arthroplasty (47,675 Patients). What Have We Learnt? J Arthroplasty 35:1729\u20131736e1. https:\/\/doi.org\/10.1016\/j.arth.2020.01.065","journal-title":"What Have We Learnt? J Arthroplasty"},{"key":"3370_CR3","first-page":"685","volume":"80","author":"E Ayman","year":"2025","unstructured":"Ayman E, Bahaa H, Osama S et al (2025) Patient-reported outcome measures and patient satisfaction after total knee replacement for osteoarthritis in Egyptian patients: An observational Study. Med J Malaysia 80:685\u2013690","journal-title":"Med J Malaysia"},{"key":"3370_CR4","first-page":"685","volume":"80","author":"E Ayman","year":"2025","unstructured":"Ayman E, Bahaa H, Osama S et al (2025) Patient-reported outcome measures and patient satisfaction after total knee replacement for osteoarthritis in Egyptian patients: An observational Study. Med J Malaysia 80:685\u2013690","journal-title":"Med J Malaysia"},{"key":"3370_CR5","doi-asserted-by":"publisher","first-page":"263","DOI":"10.3390\/jcm12010263","volume":"12","author":"I-H Kwak","year":"2022","unstructured":"Kwak I-H, Lee S-S, Lee J, Lee D-H (2022) Effects of Severe Varus Deformity on Soft Tissue Balancing in Total Knee Arthroplasty. J Clin Med 12:263. https:\/\/doi.org\/10.3390\/jcm12010263","journal-title":"J Clin Med"},{"key":"3370_CR6","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.25.00896","author":"H Zheng","year":"2025","unstructured":"Zheng H, Ash AS, Liu S-H et al (2025) Satisfied but Failed: Patient Satisfaction Compared with Total Knee Arthroplasty Success Defined by the U.S. Centers for Medicare & Medicaid Services. J Bone Joint Surg Am. https:\/\/doi.org\/10.2106\/JBJS.25.00896","journal-title":"J Bone Joint Surg Am"},{"key":"3370_CR7","doi-asserted-by":"publisher","first-page":"e70067","DOI":"10.1002\/rcs.70067","volume":"21","author":"T McClennen","year":"2025","unstructured":"McClennen T, Carvalho B, Yousef M, Ayers DC (2025) Evaluating Robotic-Assisted Total Knee Arthroplasty Compared to Conventional Methods: A Systematic Review of the Literature in the United States. Int J Med Robot 21:e70067. https:\/\/doi.org\/10.1002\/rcs.70067","journal-title":"Int J Med Robot"},{"key":"3370_CR8","doi-asserted-by":"publisher","unstructured":"HaririM, Trefzer R, Knopf S et al (2026) [Robotics in knee arthroplasty: Current status and developments]. Orthopadie (Heidelb). https:\/\/doi.org\/10.1007\/s00132-025-04758-w","DOI":"10.1007\/s00132-025-04758-w"},{"key":"3370_CR9","doi-asserted-by":"publisher","first-page":"e70452","DOI":"10.1002\/jeo2.70452","volume":"12","author":"R Sacco","year":"2025","unstructured":"Sacco R, Tecame A, Lalev\u00e9e M et al (2025) Robotic vs. conventional total knee arthroplasty over two decades: Evolving trends toward personalised alignment without significant clinical superiority in predominantly mild varus deformity-A systematic review of RCTs. J Exp Orthop 12:e70452. https:\/\/doi.org\/10.1002\/jeo2.70452","journal-title":"J Exp Orthop"},{"key":"3370_CR10","doi-asserted-by":"publisher","first-page":"160","DOI":"10.1007\/s11701-025-03086-7","volume":"20","author":"W Tafat","year":"2026","unstructured":"Tafat W, Budka M, McDonald D et al (2026) Robotic-assisted hip and knee replacement in NHS scotland: trends and efficiency implications (2020\u20132024). J Robot Surg 20:160. https:\/\/doi.org\/10.1007\/s11701-025-03086-7","journal-title":"J Robot Surg"},{"key":"3370_CR11","doi-asserted-by":"publisher","first-page":"1","DOI":"10.4055\/cios.2013.5.1.1","volume":"5","author":"N Sugano","year":"2013","unstructured":"Sugano N (2013) Computer-assisted orthopaedic surgery and robotic surgery in total hip arthroplasty. Clin Orthop Surg 5:1\u20139. https:\/\/doi.org\/10.4055\/cios.2013.5.1.1","journal-title":"Clin Orthop Surg"},{"key":"3370_CR12","doi-asserted-by":"publisher","first-page":"393","DOI":"10.1007\/s00402-023-05062-y","volume":"144","author":"F Mancino","year":"2024","unstructured":"Mancino F, Rossi SMP, Sangaletti R et al (2024) Increased accuracy in component positioning using an image-less robotic arm system in primary total knee arthroplasty: a retrospective study. Arch Orthop Trauma Surg 144:393\u2013404. https:\/\/doi.org\/10.1007\/s00402-023-05062-y","journal-title":"Arch Orthop Trauma Surg"},{"key":"3370_CR13","doi-asserted-by":"publisher","first-page":"282","DOI":"10.55095\/achot2025\/024","volume":"92","author":"P Musil","year":"2025","unstructured":"Musil P, Lehovec R (2025) [One Year of Experience with Robotic Total Knee Arthroplasty - ROSA System]. Acta Chir Orthop Traumatol Cech 92:282\u2013287. https:\/\/doi.org\/10.55095\/achot2025\/024","journal-title":"Acta Chir Orthop Traumatol Cech"},{"key":"3370_CR14","doi-asserted-by":"publisher","first-page":"e70401","DOI":"10.1002\/jeo2.70401","volume":"12","author":"A Le Guen","year":"2025","unstructured":"Le Guen A, Mouton A, Auberger G et al (2025) Short learning curve associated with robotic total knee arthroplasty: A retrospective study. J Exp Orthop 12:e70401. https:\/\/doi.org\/10.1002\/jeo2.70401","journal-title":"J Exp Orthop"},{"key":"3370_CR15","doi-asserted-by":"publisher","first-page":"55","DOI":"10.1186\/s42836-025-00342-x","volume":"7","author":"J Chen","year":"2025","unstructured":"Chen J, Chua HYJ, Lim JTE et al (2025) VELYS robotic-assisted total knee replacement leads to improved mobility, reduction in hospitalisation, surgical duration, and better psychological outcomes: a propensity score matched analysis. Arthroplasty 7:55. https:\/\/doi.org\/10.1186\/s42836-025-00342-x","journal-title":"Arthroplasty"},{"key":"3370_CR16","doi-asserted-by":"publisher","first-page":"23","DOI":"10.1016\/j.jor.2025.08.045","volume":"71","author":"H Vermue","year":"2026","unstructured":"Vermue H, Batailler C, Lustig S (2026) Differences between image-based and imageless robotics for total knee arthroplasty - an overview. J Orthop 71:23\u201328. https:\/\/doi.org\/10.1016\/j.jor.2025.08.045","journal-title":"J Orthop"},{"key":"3370_CR17","doi-asserted-by":"publisher","first-page":"e70163","DOI":"10.1002\/jeo2.70163","volume":"12","author":"TB Alton","year":"2025","unstructured":"Alton TB, Severson EP, Ford MC et al (2025) VELYS robotic-assisted total knee arthroplasty: Enhanced accuracy and comparable early outcomes versus manual instrumentation during adoption. J Exp Orthop 12:e70163. https:\/\/doi.org\/10.1002\/jeo2.70163","journal-title":"J Exp Orthop"},{"key":"3370_CR18","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1007\/s11701-024-01905-x","volume":"18","author":"S Rajasekaran","year":"2024","unstructured":"Rajasekaran S, Soundarrajan D, Singh R et al (2024) Comparison of imageless robotic assisted total knee arthroplasty and conventional total knee arthroplasty: early clinical and radiological outcomes of 200 knees. J Robot Surg 18:151. https:\/\/doi.org\/10.1007\/s11701-024-01905-x","journal-title":"J Robot Surg"},{"key":"3370_CR19","doi-asserted-by":"publisher","first-page":"n71","DOI":"10.1136\/bmj.n71","volume":"372","author":"MJ Page","year":"2021","unstructured":"Page MJ, McKenzie JE, Bossuyt PM et al (2021) The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ 372:n71. https:\/\/doi.org\/10.1136\/bmj.n71","journal-title":"BMJ"},{"key":"3370_CR20","doi-asserted-by":"publisher","first-page":"1785","DOI":"10.1177\/0962280216669183","volume":"27","author":"D Luo","year":"2018","unstructured":"Luo D, Wan X, Liu J, Tong T (2018) Optimally estimating the sample mean from the sample size, median, mid-range, and\/or mid-quartile range. Stat Methods Med Res 27:1785\u20131805. https:\/\/doi.org\/10.1177\/0962280216669183","journal-title":"Stat Methods Med Res"},{"key":"3370_CR21","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1186\/1471-2288-14-135","volume":"14","author":"X Wan","year":"2014","unstructured":"Wan X, Wang W, Liu J, Tong T (2014) Estimating the sample mean and standard deviation from the sample size, median, range and\/or interquartile range. BMC Med Res Methodol 14:135. https:\/\/doi.org\/10.1186\/1471-2288-14-135","journal-title":"BMC Med Res Methodol"},{"key":"3370_CR22","doi-asserted-by":"publisher","unstructured":"Ow ZGW, Cheang HLX, Koh JH et al (2022) Does the Choice of Acellular Scaffold and Augmentation With Bone Marrow Aspirate Concentrate Affect Short-term Outcomes in Cartilage Repair? A Systematic Review and Meta-analysis. Am J Sports Med 3635465211069565. https:\/\/doi.org\/10.1177\/03635465211069565","DOI":"10.1177\/03635465211069565"},{"key":"3370_CR23","doi-asserted-by":"publisher","first-page":"563","DOI":"10.1177\/03635465211004977","volume":"50","author":"R Zwiers","year":"2022","unstructured":"Zwiers R, Miedema T, Wiegerinck JI et al (2022) Open Versus Endoscopic Surgical Treatment of Posterior Ankle Impingement: A Meta-analysis. Am J Sports Med 50:563\u2013575. https:\/\/doi.org\/10.1177\/03635465211004977","journal-title":"Am J Sports Med"},{"key":"3370_CR24","doi-asserted-by":"publisher","first-page":"1168","DOI":"10.1016\/j.arth.2020.10.010","volume":"36","author":"JR Lex","year":"2021","unstructured":"Lex JR, Edwards TC, Packer TW et al (2021) Perioperative Systemic Dexamethasone Reduces Length of Stay in Total Joint Arthroplasty: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Arthroplasty 36:1168\u20131186. https:\/\/doi.org\/10.1016\/j.arth.2020.10.010","journal-title":"J Arthroplasty"},{"key":"3370_CR25","doi-asserted-by":"publisher","first-page":"581","DOI":"10.1016\/j.arth.2021.10.015","volume":"37","author":"C Fenelon","year":"2022","unstructured":"Fenelon C, Murphy EP, Fahey EJ et al (2022) Total Knee Arthroplasty in Hemophilia: Survivorship and Outcomes-A Systematic Review and Meta-Analysis. J Arthroplasty 37:581\u2013592e1. https:\/\/doi.org\/10.1016\/j.arth.2021.10.015","journal-title":"J Arthroplasty"},{"key":"3370_CR26","doi-asserted-by":"publisher","first-page":"864","DOI":"10.1055\/a-2343-2444","volume":"37","author":"P Huang","year":"2024","unstructured":"Huang P, Cross M, Gupta A et al (2024) Early Clinical and Economic Outcomes for the VELYS Robotic-Assisted Solution Compared with Manual Instrumentation for Total Knee Arthroplasty. J Knee Surg 37:864\u2013872. https:\/\/doi.org\/10.1055\/a-2343-2444","journal-title":"J Knee Surg"},{"key":"3370_CR27","doi-asserted-by":"publisher","first-page":"101588","DOI":"10.1016\/j.artd.2024.101588","volume":"31","author":"CA Pagan","year":"2025","unstructured":"Pagan CA, Karasavvidis T, Siljander B et al (2025) Operative Time Learning Curve for an Image-Free Robotic Arm Assisted Total Knee Arthroplasty: A Cumulative Sum Analysis. Arthroplast Today 31:101588. https:\/\/doi.org\/10.1016\/j.artd.2024.101588","journal-title":"Arthroplast Today"},{"key":"3370_CR28","doi-asserted-by":"publisher","unstructured":"Bezerra CT, Grande AJ, Galv\u00e3o VK et al Assessment of the strength of recommendation and quality of evidence: GRADE checklist. A descriptive study. Sao Paulo Med J 140:829\u2013836. https:\/\/doi.org\/10.1590\/1516-3180.2022.0043.R1.07042022","DOI":"10.1590\/1516-3180.2022.0043.R1.07042022"},{"key":"3370_CR29","doi-asserted-by":"publisher","first-page":"336","DOI":"10.1016\/j.ijsu.2010.02.007","volume":"8","author":"D Moher","year":"2010","unstructured":"Moher D, Liberati A, Tetzlaff J, Altman DG (2010) Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Int J Surg 8:336\u2013341. https:\/\/doi.org\/10.1016\/j.ijsu.2010.02.007","journal-title":"Int J Surg"},{"key":"3370_CR30","first-page":"1269","volume":"11","author":"J Cornfield","year":"1951","unstructured":"Cornfield J (1951) A method of estimating comparative rates from clinical data; applications to cancer of the lung, breast, and cervix. J Natl Cancer Inst 11:1269\u20131275","journal-title":"J Natl Cancer Inst"},{"key":"3370_CR31","doi-asserted-by":"publisher","first-page":"e38872","DOI":"10.7759\/cureus.38872","volume":"15","author":"ZS Morrisey","year":"2023","unstructured":"Morrisey ZS, Barra MF, Guirguis PG, Drinkwater CJ (2023) Transition to Robotic Total Knee Arthroplasty With Kinematic Alignment is Associated With a Short Learning Curve and Similar Acute-Period Functional Recoveries. Cureus 15:e38872. https:\/\/doi.org\/10.7759\/cureus.38872","journal-title":"Cureus"},{"key":"3370_CR32","doi-asserted-by":"publisher","first-page":"539","DOI":"10.1007\/s11701-025-02510-2","volume":"19","author":"E Severson","year":"2025","unstructured":"Severson E, Tan Z, English A et al (2025) Healthcare resource utilization for VELYS\u2122 robotic-assisted solution compared to manual surgery for total knee arthroplasty. J Robot Surg 19:539. https:\/\/doi.org\/10.1007\/s11701-025-02510-2","journal-title":"J Robot Surg"},{"key":"3370_CR33","doi-asserted-by":"crossref","unstructured":"Spitzer A, Barrett W, Nassif N et al Use of Image Free Robotic-Assisted System for Total Knee ArthroplastyAssociated with Improved Knee Society Function Score Compared to Manual Instrumentation, A Retrospective Multi-center Study. EPiC Series in Health Sciences 7: 207\u2013202","DOI":"10.29007\/h7m7"},{"key":"3370_CR34","doi-asserted-by":"publisher","first-page":"1473","DOI":"10.1007\/s00167-019-05543-x","volume":"28","author":"A Lizaur-Utrilla","year":"2020","unstructured":"Lizaur-Utrilla A, Gonzalez-Parre\u00f1o S, Martinez-Mendez D et al (2020) Minimal clinically important differences and substantial clinical benefits for Knee Society Scores. Knee Surg Sports Traumatol Arthrosc 28:1473\u20131478. https:\/\/doi.org\/10.1007\/s00167-019-05543-x","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"3370_CR35","doi-asserted-by":"publisher","first-page":"312","DOI":"10.1016\/j.jor.2025.11.046","volume":"72","author":"D Calderon","year":"2026","unstructured":"Calderon D, Chumacero B, Ordinola F (2026) Robotic assisted versus conventional total knee arthroplasty in obese patients: A systematic review and meta-analysis. J Orthop 72:312\u2013318. https:\/\/doi.org\/10.1016\/j.jor.2025.11.046","journal-title":"J Orthop"},{"key":"3370_CR36","doi-asserted-by":"publisher","first-page":"411","DOI":"10.1007\/s11701-025-02597-7","volume":"19","author":"O Pujol","year":"2025","unstructured":"Pujol O, Minguell J, Pijoan J et al (2025) Learning curve of robotic-assisted total knee arthroplasty: a literature review. J Robot Surg 19:411. https:\/\/doi.org\/10.1007\/s11701-025-02597-7","journal-title":"J Robot Surg"},{"key":"3370_CR37","doi-asserted-by":"publisher","first-page":"849","DOI":"10.1055\/s-0040-1721123","volume":"35","author":"J Zhang","year":"2022","unstructured":"Zhang J, Matzko CN, Sawires A et al (2022) Adoption of Robotic-Arm-Assisted Total Knee Arthroplasty Is Associated with Decreased Use of Articular Constraint and Manipulation under Anesthesia Compared to a Manual Approach. J Knee Surg 35:849\u2013857. https:\/\/doi.org\/10.1055\/s-0040-1721123","journal-title":"J Knee Surg"}],"container-title":["Journal of Robotic Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11701-026-03370-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11701-026-03370-0","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11701-026-03370-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T06:36:57Z","timestamp":1775198217000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s11701-026-03370-0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,3]]},"references-count":37,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["3370"],"URL":"https:\/\/doi.org\/10.1007\/s11701-026-03370-0","relation":{"has-preprint":[{"id-type":"doi","id":"10.21203\/rs.3.rs-8628486\/v1","asserted-by":"object"}]},"ISSN":["1863-2491"],"issn-type":[{"value":"1863-2491","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,3]]},"assertion":[{"value":"17 January 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 March 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"3 April 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}},{"value":"As this is secondary\u2002analysis of a previously published literature, in which there will be no interaction with human subjects, it was granted a formal exemption from institutional ethical clearance.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}}],"article-number":"408"}}