{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T21:47:08Z","timestamp":1782251228105,"version":"3.54.5"},"reference-count":35,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T00:00:00Z","timestamp":1775174400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","thekneejournal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Knee"],"published-print":{"date-parts":[[2026,8]]},"DOI":"10.1016\/j.knee.2026.104456","type":"journal-article","created":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T00:01:58Z","timestamp":1776816118000},"page":"104456","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"special_numbering":"C","title":["Impact of prior bariatric surgery on revision rates following total knee arthroplasty: a systematic review and meta-analysis"],"prefix":"10.1016","volume":"61","author":[{"given":"Haroon","family":"Zaffar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6756-6805","authenticated-orcid":false,"given":"Krishna","family":"Oochit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manasi","family":"Dedhia","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehvish","family":"Usman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akash","family":"Patel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"2","key":"10.1016\/j.knee.2026.104456_b0005","doi-asserted-by":"crossref","first-page":"156","DOI":"10.2106\/JBJS.M.00372","article-title":"Intermediate and long-term quality of life after total knee replacement: a systematic review and meta-analysis","volume":"97","author":"Shan","year":"2015","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.knee.2026.104456_b0010","doi-asserted-by":"crossref","DOI":"10.1016\/j.jcot.2022.101987","article-title":"The impact of obesity on total knee arthroplasty outcomes: a retrospective matched cohort study","volume":"33","author":"Aggarwal","year":"2022","journal-title":"J Clin Orthop Trauma"},{"issue":"3","key":"10.1016\/j.knee.2026.104456_b0015","doi-asserted-by":"crossref","first-page":"861","DOI":"10.1007\/s10067-019-04811-y","article-title":"Total joint replacement improves pain, functional quality of life, and health utilities in patients with late-stage knee and hip osteoarthritis for up to 5 years","volume":"39","author":"Neuprez","year":"2020","journal-title":"Clin Rheumatol"},{"issue":"1 Supple A","key":"10.1016\/j.knee.2026.104456_b0020","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1302\/0301-620X.99B1.BJJ-2016-0346.R1","article-title":"Obesity in total hip arthroplasty: does it make a difference?","volume":"99-b","author":"Haynes","year":"2017","journal-title":"Bone Joint J"},{"issue":"21","key":"10.1016\/j.knee.2026.104456_b0025","doi-asserted-by":"crossref","first-page":"1963","DOI":"10.2106\/JBJS.23.01413","article-title":"Outcomes of obese patients undergoing primary total knee arthroplasty: trends over 30 years","volume":"106","author":"Uvodich","year":"2024","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.knee.2026.104456_b0030","doi-asserted-by":"crossref","DOI":"10.1016\/j.jcot.2022.101829","article-title":"Effect of body mass index on the outcomes of primary total knee arthroplasty up to one year - a prospective study","volume":"27","author":"Mishra","year":"2022","journal-title":"J Clin Orthop Trauma"},{"issue":"7","key":"10.1016\/j.knee.2026.104456_b0035","doi-asserted-by":"crossref","first-page":"1289","DOI":"10.1016\/j.arth.2022.03.003","article-title":"Projected prevalence of obesity in primary total knee arthroplasty: how big will the problem get?","volume":"37","author":"Carender","year":"2022","journal-title":"J Arthroplasty"},{"issue":"11","key":"10.1016\/j.knee.2026.104456_b0040","doi-asserted-by":"crossref","first-page":"3796","DOI":"10.1016\/j.arth.2021.06.021","article-title":"Preoperative nonsurgical weight loss interventions before total hip and knee arthroplasty: a systematic review","volume":"36","author":"Seward","year":"2021","journal-title":"J Arthroplasty"},{"issue":"8","key":"10.1016\/j.knee.2026.104456_b0045","doi-asserted-by":"crossref","first-page":"849","DOI":"10.2106\/JBJS.24.01110","article-title":"Weight loss before total hip arthroplasty was not associated with decreased postoperative risks","volume":"107","author":"Seward","year":"2025","journal-title":"J Bone Joint Surg Am"},{"issue":"9","key":"10.1016\/j.knee.2026.104456_b0050","doi-asserted-by":"crossref","first-page":"1696","DOI":"10.1016\/j.arth.2012.03.005","article-title":"Total knee arthroplasty in morbidly obese patients treated with bariatric surgery: a comparative study","volume":"27","author":"Severson","year":"2012","journal-title":"J Arthroplasty"},{"issue":"3","key":"10.1016\/j.knee.2026.104456_b0055","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1016\/j.soard.2016.11.005","article-title":"Benefits of bariatric surgery before elective total joint arthroplasty: is there a role for weight loss optimization?","volume":"13","author":"Nearing","year":"2017","journal-title":"Surg Obes Relat Dis"},{"issue":"11","key":"10.1016\/j.knee.2026.104456_b0060","doi-asserted-by":"crossref","first-page":"1501","DOI":"10.1302\/0301-620X.97B11.36477","article-title":"Bariatric surgery does not improve outcomes in patients undergoing primary total knee arthroplasty","volume":"97-b","author":"Martin","year":"2015","journal-title":"Bone Joint J"},{"issue":"1","key":"10.1016\/j.knee.2026.104456_b0065","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1080\/17453674.2020.1840829","article-title":"Bariatric surgery prior to total knee arthroplasty is not associated with lower risk of revision: a register-based study of 441 patients","volume":"92","author":"Ighani Arani","year":"2021","journal-title":"Acta Orthop"},{"issue":"12","key":"10.1016\/j.knee.2026.104456_b0070","article-title":"Does bariatric surgery normalize risks after total knee arthroplasty? Administrative medicare data","volume":"3","author":"Meller","year":"2019","journal-title":"J Am Acad Orthop Surg Glob Res Rev"},{"issue":"1","key":"10.1016\/j.knee.2026.104456_b0075","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1186\/s12893-023-01951-6","article-title":"Total knee arthroplasty and bariatric surgery: change in BMI and risk of revision depending on sequence of surgery","volume":"23","author":"Ighani Arani","year":"2023","journal-title":"BMC Surg"},{"key":"10.1016\/j.knee.2026.104456_b0080","unstructured":"Higgins JPT, L.T., Thomas J, Flemyng E, Churchill R. Standards for the conduct of new Cochrane Intervention Reviews, in Methodological Expectations of Cochrane Intervention Reviews. August 2023, Cochrane: London."},{"key":"10.1016\/j.knee.2026.104456_b0085","article-title":"The PRISMA 2020 statement: an updated guideline for reporting systematic reviews","volume":"372","author":"Page","year":"2021","journal-title":"BMJ"},{"key":"10.1016\/j.knee.2026.104456_b0090","article-title":"RoB 2: a revised tool for assessing risk of bias in randomised trials","volume":"366","author":"Sterne","year":"2019","journal-title":"BMJ"},{"key":"10.1016\/j.knee.2026.104456_b0095","article-title":"ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions","volume":"355","author":"Sterne","year":"2016","journal-title":"BMJ"},{"issue":"4","key":"10.1016\/j.knee.2026.104456_b0100","doi-asserted-by":"crossref","first-page":"e226722","DOI":"10.1001\/jamanetworkopen.2022.6722","article-title":"Effect of bariatric surgery on risk of complications after total knee arthroplasty: a randomized clinical trial","volume":"5","author":"Dowsey","year":"2022","journal-title":"JAMA Netw Open"},{"issue":"1","key":"10.1016\/j.knee.2026.104456_b0105","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1016\/j.surge.2010.08.004","article-title":"Does bariatric surgery prior to lower limb joint replacement reduce complications?","volume":"9","author":"Kulkarni","year":"2011","journal-title":"Surgeon"},{"issue":"9 Suppl","key":"10.1016\/j.knee.2026.104456_b0110","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1016\/j.arth.2016.02.075","article-title":"Lingering risk: bariatric surgery before total knee arthroplasty","volume":"31","author":"Nickel","year":"2016","journal-title":"J Arthroplasty"},{"issue":"7","key":"10.1016\/j.knee.2026.104456_b0115","doi-asserted-by":"crossref","first-page":"2070","DOI":"10.1016\/j.arth.2018.01.064","article-title":"Does prior bariatric surgery affect implant survivorship and complications following primary total hip arthroplasty\/total knee arthroplasty?","volume":"33","author":"Lee","year":"2018","journal-title":"J Arthroplasty"},{"issue":"8s","key":"10.1016\/j.knee.2026.104456_b0120","doi-asserted-by":"crossref","first-page":"S842","DOI":"10.1016\/j.arth.2022.01.076","article-title":"Timing and type of bariatric surgery preceding total knee arthroplasty leads to similar complications and outcomes","volume":"37","author":"Sax","year":"2022","journal-title":"J Arthroplasty"},{"issue":"7","key":"10.1016\/j.knee.2026.104456_b0125","doi-asserted-by":"crossref","first-page":"2062","DOI":"10.1016\/j.arth.2017.11.056","article-title":"Bariatric surgery improves outcomes after lower extremity arthroplasty in the morbidly obese: a propensity score-matched analysis of a New York statewide database","volume":"33","author":"McLawhorn","year":"2018","journal-title":"J Arthroplasty"},{"issue":"6s","key":"10.1016\/j.knee.2026.104456_b0130","doi-asserted-by":"crossref","first-page":"S165","DOI":"10.1016\/j.arth.2022.02.048","article-title":"Does bariatric surgery prior to primary total knee arthroplasty improve outcomes?","volume":"37","author":"Ryan","year":"2022","journal-title":"J Arthroplasty"},{"key":"10.1016\/j.knee.2026.104456_b0135","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1016\/j.knee.2024.03.010","article-title":"Risk of revision total knee arthroplasty for patients with prior bariatric surgery or class III obesity","volume":"48","author":"Kubsad","year":"2024","journal-title":"Knee"},{"issue":"7s1","key":"10.1016\/j.knee.2026.104456_b0140","doi-asserted-by":"crossref","first-page":"S65","DOI":"10.1016\/j.arth.2025.04.006","article-title":"A history of bariatric surgery negatively affects the rate of 90-day complications of elective primary total joint arthroplasty: a comparative analyses of 2979 patients","volume":"40","author":"Oettl","year":"2025","journal-title":"J Arthroplasty"},{"issue":"4","key":"10.1016\/j.knee.2026.104456_b0145","doi-asserted-by":"crossref","DOI":"10.3390\/jcm14041187","article-title":"Impact of bariatric surgery on postoperative outcomes, complications, and revision rates in total knee arthroplasty: a big data analysis","volume":"14","author":"Maman","year":"2025","journal-title":"J Clin Med"},{"issue":"Suppl 4","key":"10.1016\/j.knee.2026.104456_b0150","first-page":"1021","article-title":"Nutritional deficiencies after bariatric surgery: why they happen?","volume":"24","author":"Bordalo","year":"2011","journal-title":"Acta Med Port"},{"issue":"9","key":"10.1016\/j.knee.2026.104456_b0155","doi-asserted-by":"crossref","first-page":"544","DOI":"10.1038\/nrendo.2012.48","article-title":"Nutritional deficiencies after bariatric surgery","volume":"8","author":"Bal","year":"2012","journal-title":"Nat Rev Endocrinol"},{"issue":"9","key":"10.1016\/j.knee.2026.104456_b0160","doi-asserted-by":"crossref","first-page":"1150","DOI":"10.1007\/s11695-007-9208-x","article-title":"Nutritional deficiencies after bariatric surgery","volume":"17","author":"Davies","year":"2007","journal-title":"Obes Surg"},{"issue":"5","key":"10.1016\/j.knee.2026.104456_b0165","doi-asserted-by":"crossref","first-page":"1105","DOI":"10.1016\/j.pcl.2009.07.002","article-title":"Nutritional deficiencies in obesity and after bariatric surgery","volume":"56","author":"Xanthakos","year":"2009","journal-title":"Pediatr Clin North Am"},{"issue":"11","key":"10.1016\/j.knee.2026.104456_b0170","doi-asserted-by":"crossref","first-page":"2863","DOI":"10.1016\/j.arth.2024.05.034","article-title":"Total knee arthroplasty with or without prior bariatric surgery: a systematic review and meta-analysis","volume":"39","author":"Sattari","year":"2024","journal-title":"J Arthroplasty"},{"key":"10.1016\/j.knee.2026.104456_b0175","doi-asserted-by":"crossref","DOI":"10.1016\/j.ijsu.2022.106778","article-title":"Does bariatric surgery really benefit patients before total knee arthroplasty? A systematic review and meta-analysis","volume":"104","author":"Yan","year":"2022","journal-title":"Int J Surg"}],"container-title":["The Knee"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016026001353?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016026001353?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T20:54:40Z","timestamp":1782248080000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0968016026001353"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,8]]},"references-count":35,"alternative-id":["S0968016026001353"],"URL":"https:\/\/doi.org\/10.1016\/j.knee.2026.104456","relation":{},"ISSN":["0968-0160"],"issn-type":[{"value":"0968-0160","type":"print"}],"subject":[],"published":{"date-parts":[[2026,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Impact of prior bariatric surgery on revision rates following total knee arthroplasty: a systematic review and meta-analysis","name":"articletitle","label":"Article Title"},{"value":"The Knee","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.knee.2026.104456","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Crown Copyright \u00a9 2026 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"104456"}}