{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T12:06:40Z","timestamp":1787746000475,"version":"build-2784847793"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T00:00:00Z","timestamp":1755820800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T00:00:00Z","timestamp":1755820800000},"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":["Eur J Orthop Surg Traumatol"],"DOI":"10.1007\/s00590-025-04490-3","type":"journal-article","created":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T22:09:52Z","timestamp":1755900592000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Preoperative MRI abnormalities are not associated with poor outcomes or altered surgical planning in unicompartmental knee arthroplasty: a systematic review and meta-analysis"],"prefix":"10.1007","volume":"35","author":[{"given":"Ali","family":"Salmani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yashar","family":"Khani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammadkazem","family":"Shojaei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Farid","family":"Rashidid","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramila","family":"Abedi-Azar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Darzi Dehkalani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamad","family":"Ghazanfari Hashemi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khazar","family":"Adibmoradi Langroudi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amir","family":"Mehrvar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,8,22]]},"reference":[{"issue":"8","key":"4490_CR1","doi-asserted-by":"publisher","first-page":"1611","DOI":"10.1016\/j.arth.2019.04.005","volume":"34","author":"DS Casper","year":"2019","unstructured":"Casper DS, Fleischman AN, Papas PV, Grossman J, Scuderi GR, Lonner JH (2019) Unicompartmental knee arthroplasty provides significantly greater improvement in function than total knee arthroplasty despite equivalent satisfaction for isolated medial compartment osteoarthritis. J Arthroplast 34(8):1611\u20131616. https:\/\/doi.org\/10.1016\/j.arth.2019.04.005","journal-title":"J Arthroplast"},{"issue":"4","key":"4490_CR2","doi-asserted-by":"publisher","first-page":"279","DOI":"10.4055\/cios.2011.3.4.279","volume":"3","author":"WS Choy","year":"2011","unstructured":"Choy WS, Kim KJ, Lee SK, Yang DS, Kim CM, Park JS (2011) Medial unicompartmental knee arthroplasty in patients with spontaneous osteonecrosis of the knee. Clin Orthop Surg 3(4):279\u2013284. https:\/\/doi.org\/10.4055\/cios.2011.3.4.279","journal-title":"Clin Orthop Surg"},{"key":"4490_CR3","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.l352","volume":"364","author":"HA Wilson","year":"2019","unstructured":"Wilson HA, Middleton R, Abram SGF, Smith S, Alvand A, Jackson WF et al (2019) Patient relevant outcomes of unicompartmental versus total knee replacement: Systematic review and meta-analysis. BMJ 364:l352. https:\/\/doi.org\/10.1136\/bmj.l352","journal-title":"BMJ"},{"issue":"1","key":"4490_CR4","doi-asserted-by":"publisher","first-page":"15","DOI":"10.1186\/s10195-020-00551-x","volume":"21","author":"A Mittal","year":"2020","unstructured":"Mittal A, Meshram P, Kim WH, Kim TK (2020) Unicompartmental knee arthroplasty, an enigma, and the ten enigmas of medial UKA. J Orthop Traumatol 21(1):15. https:\/\/doi.org\/10.1186\/s10195-020-00551-x","journal-title":"J Orthop Traumatol"},{"issue":"10","key":"4490_CR5","doi-asserted-by":"publisher","first-page":"2467","DOI":"10.1007\/s00264-023-05919-2","volume":"47","author":"H Chen","year":"2023","unstructured":"Chen H, Liu C, Mulatibieke Y, Zhang Q, Guo W (2023) The impact of preoperative MRI-detected lateral meniscal intra-substance signal abnormalities on mid-term functional outcomes following mobile-bearing unicompartmental knee arthroplasty. Int Orthop 47(10):2467\u20132475. https:\/\/doi.org\/10.1007\/s00264-023-05919-2","journal-title":"Int Orthop"},{"key":"4490_CR6","doi-asserted-by":"publisher","first-page":"A1","DOI":"10.1016\/j.joca.2006.11.009","volume":"15","author":"RD Altman","year":"2007","unstructured":"Altman RD, Gold GE (2007) Atlas of individual radiographic features in osteoarthritis, revised. Osteoarthr Cartil 15:A1\u2013A56. https:\/\/doi.org\/10.1016\/j.joca.2006.11.009","journal-title":"Osteoarthr Cartil"},{"issue":"10","key":"4490_CR7","doi-asserted-by":"publisher","first-page":"3000","DOI":"10.1016\/j.arth.2017.05.008","volume":"32","author":"KR Berend","year":"2017","unstructured":"Berend KR, Lombardi AV Jr., Jacobs CA (2017) The combination of preoperative bone marrow lesions and partial-thickness cartilage loss did not result in inferior outcomes after medial unicompartmental knee arthroplasty. J Arthroplast 32(10):3000\u20133003. https:\/\/doi.org\/10.1016\/j.arth.2017.05.008","journal-title":"J Arthroplast"},{"issue":"2","key":"4490_CR8","doi-asserted-by":"publisher","first-page":"491","DOI":"10.1016\/j.arth.2015.09.023","volume":"31","author":"CA Jacobs","year":"2016","unstructured":"Jacobs CA, Christensen CP, Karthikeyan T (2016) Subchondral bone marrow edema had greater effect on postoperative pain after medial unicompartmental knee arthroplasty than total knee arthroplasty. J Arthroplast 31(2):491\u2013494. https:\/\/doi.org\/10.1016\/j.arth.2015.09.023","journal-title":"J Arthroplast"},{"issue":"12","key":"4490_CR9","doi-asserted-by":"publisher","first-page":"3949","DOI":"10.1007\/s00402-021-04254-8","volume":"142","author":"X Jiao","year":"2022","unstructured":"Jiao X, An S, Cao G, Li Z, Feng M, Huang J (2022) Slight cartilage damage in weight-bearing area of lateral femoral condyle do not compromise short-term outcomes of medial unicompartmental knee arthroplasty. Arch Orthop Trauma Surg 142(12):3949\u20133955. https:\/\/doi.org\/10.1007\/s00402-021-04254-8","journal-title":"Arch Orthop Trauma Surg"},{"issue":"1","key":"4490_CR10","doi-asserted-by":"publisher","first-page":"70","DOI":"10.1016\/j.arth.2024.07.024","volume":"40","author":"KD Plancher","year":"2025","unstructured":"Plancher KD, Briggs KK, Comulada DB, DiVella MF, Schwartz EN, Mannina CM et al (2025) Fixed-bearing lateral unicompartment knee arthroplasty in degenerative acl-deficient and acl-intact knees: a matched pair analysis. J Arthroplast 40(1):70\u201374. https:\/\/doi.org\/10.1016\/j.arth.2024.07.024","journal-title":"J Arthroplast"},{"issue":"1","key":"4490_CR11","doi-asserted-by":"publisher","DOI":"10.1186\/s12891-023-06506-7","volume":"24","author":"Z Wang","year":"2023","unstructured":"Wang Z, Zhang X, Zhang X, Wang J, Zhu C (2023) Are patients with preoperative synovitis suitable for unicompartmental knee arthroplasty? Magnetic resonance imaging evidence from a retrospective cohort study. BMC Musculoskelet Disord 24(1):433. https:\/\/doi.org\/10.1186\/s12891-023-06506-7","journal-title":"BMC Musculoskelet Disord"},{"key":"4490_CR12","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.n71","volume":"372","author":"MJ Page","year":"2021","unstructured":"Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD 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"},{"issue":"4","key":"4490_CR13","doi-asserted-by":"publisher","first-page":"475","DOI":"10.1302\/0301-620x.99b4.Bjj-2016-1061.R1","volume":"99-b","author":"TW Hamilton","year":"2017","unstructured":"Hamilton TW, Pandit HG, Inabathula A, Ostlere SJ, Jenkins C, Mellon SJ et al (2017) Unsatisfactory outcomes following unicompartmental knee arthroplasty in patients with partial thickness cartilage loss: a medium-term follow-up. Bone Joint J 99-b(4):475\u2013482. https:\/\/doi.org\/10.1302\/0301-620x.99b4.Bjj-2016-1061.R1","journal-title":"Bone Joint J"},{"key":"4490_CR14","doi-asserted-by":"publisher","first-page":"164","DOI":"10.1016\/j.knee.2021.06.003","volume":"31","author":"S Hashimoto","year":"2021","unstructured":"Hashimoto S, Terauchi M, Hatayama K, Ohsawa T, Omodaka T, Chikuda H (2021) Medial meniscus extrusion as a predictor for a poor prognosis in patients with spontaneous osteonecrosis of the knee. Knee 31:164\u2013171. https:\/\/doi.org\/10.1016\/j.knee.2021.06.003","journal-title":"Knee"},{"issue":"9","key":"4490_CR15","doi-asserted-by":"publisher","first-page":"184","DOI":"10.1016\/j.arth.2013.05.011","volume":"28","author":"JM Hurst","year":"2013","unstructured":"Hurst JM, Berend KR, Morris MJ, Lombardi AV Jr (2013) Abnormal preoperative mri does not correlate with failure of uka. J Arthroplast 28(9):184\u2013186. https:\/\/doi.org\/10.1016\/j.arth.2013.05.011","journal-title":"J Arthroplast"},{"issue":"11","key":"4490_CR16","doi-asserted-by":"publisher","first-page":"2476","DOI":"10.1016\/j.arth.2016.05.009","volume":"31","author":"CA Jacobs","year":"2016","unstructured":"Jacobs CA, Berend KR, Lombardi AV Jr., Christensen CP (2016) The location and severity of preoperative subchondral bone marrow lesions were not associated with inferior postoperative outcomes after medial unicompartmental knee arthroplasty or total knee arthroplasty. J Arthroplast 31(11):2476\u20132480. https:\/\/doi.org\/10.1016\/j.arth.2016.05.009","journal-title":"J Arthroplast"},{"issue":"5","key":"4490_CR17","doi-asserted-by":"publisher","first-page":"610","DOI":"10.29271\/jcpsp.2024.05.610","volume":"34","author":"Q Jiang","year":"2024","unstructured":"Jiang Q, Bai X, Deng Y, Xia H (2024) Association of preoperative subchondral bone marrow oedema with outcomes after lateral unicompartmental knee arthroplasty. J Coll Phys Surg Pakistan JCPSP 34(5):610\u2013613. https:\/\/doi.org\/10.29271\/jcpsp.2024.05.610","journal-title":"J Coll Phys Surg Pakistan JCPSP"},{"issue":"1","key":"4490_CR18","doi-asserted-by":"publisher","first-page":"12","DOI":"10.1590\/1413-785220212901233328","volume":"29","author":"T Kamenaga","year":"2021","unstructured":"Kamenaga T, Hiranaka T, Hida Y, Fujishiro T, Okamoto K (2021) Clinical outcomes after unicompartmental knee arthroplasty for osteonecrosis of the knee. Acta Ortop Bras 29(1):12\u201316. https:\/\/doi.org\/10.1590\/1413-785220212901233328","journal-title":"Acta Ortop Bras"},{"issue":"4","key":"4490_CR19","doi-asserted-by":"publisher","first-page":"507","DOI":"10.1016\/j.jor.2017.08.009","volume":"14","author":"A Lakra","year":"2017","unstructured":"Lakra A, Murtaugh T, Geller JA, Macaulay W, Shah RP (2017) Simultaneous ipsilateral knee arthroscopy and unicondylar knee arthroplasty is effective for bicompartmental symptoms. J Orthop 14(4):507\u2013511. https:\/\/doi.org\/10.1016\/j.jor.2017.08.009","journal-title":"J Orthop"},{"issue":"8","key":"4490_CR20","doi-asserted-by":"publisher","first-page":"2759","DOI":"10.1016\/j.arth.2021.03.054","volume":"36","author":"SJ Park","year":"2021","unstructured":"Park SJ (2021) Midterm results of medial unicompartmental knee arthroplasty performed in patients with lateral meniscus abnormalities on preoperative MRI without symptoms related to lateral meniscus. J Arthroplast 36(8):2759\u20132764. https:\/\/doi.org\/10.1016\/j.arth.2021.03.054","journal-title":"J Arthroplast"},{"issue":"4","key":"4490_CR21","doi-asserted-by":"publisher","first-page":"1279","DOI":"10.1016\/j.knee.2020.06.011","volume":"27","author":"T Tanaka","year":"2020","unstructured":"Tanaka T, Hiranaka T, Anjiki K, Fujishiro T, Okamoto K (2020) Mri-determined preoperative lateral meniscus degeneration is not associated with adverse mid-term clinical results after mobile-bearing unicompartmental knee arthroplasty. Knee 27(4):1279\u20131284. https:\/\/doi.org\/10.1016\/j.knee.2020.06.011","journal-title":"Knee"},{"issue":"3","key":"4490_CR22","doi-asserted-by":"publisher","first-page":"456","DOI":"10.1016\/j.arth.2022.10.010","volume":"38","author":"HY Yang","year":"2023","unstructured":"Yang HY, Kwak WK, Song EK, Seon JK (2023) Preoperative bone marrow edema negatively impacts 10-year outcomes after unicompartmental knee arthroplasty. J Arthroplasty 38(3):456\u2013463. https:\/\/doi.org\/10.1016\/j.arth.2022.10.010","journal-title":"J Arthroplasty"},{"issue":"8","key":"4490_CR23","doi-asserted-by":"publisher","first-page":"816","DOI":"10.1055\/s-0037-1605560","volume":"30","author":"J Yue","year":"2017","unstructured":"Yue J, Ma X, Li Y, Wang Y, Yang C, Zhu Y et al (2017) Influence of bone marrow edema on medial unicompartmental knee arthroplasty among patients with patellofemoral osteoarthritis. J Knee Surg 30(8):816\u2013821. https:\/\/doi.org\/10.1055\/s-0037-1605560","journal-title":"J Knee Surg"},{"key":"4490_CR24","doi-asserted-by":"publisher","first-page":"227","DOI":"10.1016\/j.knee.2023.08.014","volume":"44","author":"X Zhu","year":"2023","unstructured":"Zhu X, Xu H, Wang L, Zhang H, Chen H, Wang J (2023) Impact of lateral meniscus injury detected by preoperative magnetic resonance imaging on midterm results after unicompartmental knee arthroplasty. Knee 44:227\u2013235. https:\/\/doi.org\/10.1016\/j.knee.2023.08.014","journal-title":"Knee"},{"issue":"5","key":"4490_CR25","doi-asserted-by":"publisher","first-page":"S3","DOI":"10.1016\/j.pmrj.2012.01.020","volume":"4","author":"KR Vincent","year":"2012","unstructured":"Vincent KR, Conrad BP, Fregly BJ, Vincent HK (2012) The pathophysiology of osteoarthritis: a mechanical perspective on the knee joint. P M R 4(5):S3-9. https:\/\/doi.org\/10.1016\/j.pmrj.2012.01.020","journal-title":"P M R"},{"issue":"17","key":"4490_CR26","doi-asserted-by":"publisher","first-page":"243","DOI":"10.3978\/j.issn.2305-5839.2015.10.05","volume":"3","author":"HR Bin Abd Razak","year":"2015","unstructured":"Bin Abd Razak HR, Sayampanathan AA, Koh TH, Tan HC (2015) Diagnosis of ligamentous and meniscal pathologies in patients with anterior cruciate ligament injury: comparison of magnetic resonance imaging and arthroscopic findings. Ann Transl Med 3(17):243. https:\/\/doi.org\/10.3978\/j.issn.2305-5839.2015.10.05","journal-title":"Ann Transl Med"},{"issue":"8","key":"4490_CR27","doi-asserted-by":"publisher","first-page":"915","DOI":"10.1302\/0301-620x.101b8.Bjj-2018-1569.R1","volume":"101","author":"L Beckers","year":"2019","unstructured":"Beckers L, Ooms D, Berger P, Van Laere K, Scheys L, Vandenneucker H (2019) Reduced bone activity in the native compartments after medial mobile-bearing unicompartmental knee arthroplasty. A prospective SPECT\/CT study. Bone Jt J 101(8):915\u2013921. https:\/\/doi.org\/10.1302\/0301-620x.101b8.Bjj-2018-1569.R1","journal-title":"Bone Jt J"},{"issue":"4","key":"4490_CR28","doi-asserted-by":"publisher","first-page":"588","DOI":"10.1002\/jor.20082","volume":"24","author":"JF Suggs","year":"2006","unstructured":"Suggs JF, Li G, Park SE, Sultan PG, Rubash HE, Freiberg AA (2006) Knee biomechanics after UKA and its relation to the ACL\u2013a robotic investigation. J Orthop Res 24(4):588\u2013594. https:\/\/doi.org\/10.1002\/jor.20082","journal-title":"J Orthop Res"},{"issue":"1","key":"4490_CR29","doi-asserted-by":"publisher","DOI":"10.1186\/s13018-025-05635-0","volume":"20","author":"S Jia","year":"2025","unstructured":"Jia S, Long D, Zhang B, Sun M, Liu F, Jiao Y et al (2025) The impact of anterior cruciate ligament deficiency severity on the outcomes of fixed-bearing unicompartmental knee arthroplasty: a retrospective study. J Orthop Surg Res 20(1):244. https:\/\/doi.org\/10.1186\/s13018-025-05635-0","journal-title":"J Orthop Surg Res"},{"issue":"1","key":"4490_CR30","doi-asserted-by":"publisher","first-page":"20","DOI":"10.1302\/2046-3758.71.Bjr-2017-0115.R2","volume":"7","author":"KT Kang","year":"2018","unstructured":"Kang KT, Son J, Suh DS, Kwon SK, Kwon OR, Koh YG (2018) Patient-specific medial unicompartmental knee arthroplasty has a greater protective effect on articular cartilage in the lateral compartment: a finite element analysis. Bone Joint Res 7(1):20\u201327. https:\/\/doi.org\/10.1302\/2046-3758.71.Bjr-2017-0115.R2","journal-title":"Bone Joint Res"},{"issue":"1","key":"4490_CR31","doi-asserted-by":"publisher","first-page":"681","DOI":"10.1186\/s12891-023-06802-2","volume":"24","author":"X Jiao","year":"2023","unstructured":"Jiao X, Cao G, Wu J, Li Z, An S, Huang J (2023) Assessing lateral femoral condyle cartilage prior to medial UKA: Mri vs. valgus stress radiograph. BMC Musculoskelet Disord 24(1):681. https:\/\/doi.org\/10.1186\/s12891-023-06802-2","journal-title":"BMC Musculoskelet Disord"}],"updated-by":[{"DOI":"10.1007\/s00590-025-04522-y","type":"correction","label":"Correction","source":"publisher","updated":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T00:00:00Z","timestamp":1758240000000}}],"container-title":["European Journal of Orthopaedic Surgery &amp; Traumatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00590-025-04490-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00590-025-04490-3","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00590-025-04490-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T13:43:29Z","timestamp":1767015809000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00590-025-04490-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,8,22]]},"references-count":31,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,12]]}},"alternative-id":["4490"],"URL":"https:\/\/doi.org\/10.1007\/s00590-025-04490-3","relation":{},"ISSN":["1432-1068"],"issn-type":[{"value":"1432-1068","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,8,22]]},"assertion":[{"value":"27 April 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 August 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"22 August 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"19 September 2025","order":5,"name":"change_date","label":"Change Date","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Correction","order":6,"name":"change_type","label":"Change Type","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"A Correction to this paper has been published:","order":7,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"https:\/\/doi.org\/10.1007\/s00590-025-04522-y","URL":"https:\/\/doi.org\/10.1007\/s00590-025-04522-y","order":8,"name":"change_details","label":"Change Details","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":"Conflicts of interest"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and Consent to participate"}},{"value":"Not applicable.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}],"article-number":"359"}}