{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T02:10:04Z","timestamp":1748052604136,"version":"3.41.0"},"reference-count":38,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T00:00:00Z","timestamp":1748044800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T00:00:00Z","timestamp":1748044800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100008005","name":"Yonsei University College of Medicine","doi-asserted-by":"publisher","award":["6-2023-0151"],"award-info":[{"award-number":["6-2023-0151"]}],"id":[{"id":"10.13039\/501100008005","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Orthop Surg Res"],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Clear clinical guidelines on performing simultaneous bilateral total knee arthroplasty (BTKA) are lacking. We compare the clinical outcomes between BTKA and unilateral total knee arthroplasty (UTKA) using propensity score matching to assess safety and clinical efficacy, hypothesizing no difference in clinical safety.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>Among 1,665 BTKA and UTKA cases, patients were matched in a 1:1 ratio by age, sex, body mass index, follow-up, and comorbidities, resulting in 653 patients per group. Primary outcomes included 30-day complication rates and intensive care unit (ICU) admission rates. Secondary outcomes included length of stay (LOS), transfusion rate, estimated blood loss, hemoglobin (Hb) levels (preoperative and two days postoperative), Hb decrease, and 1-year mortality rate. The patient-reported outcomes (PROMs) was measured preoperatively and at 3, 6, and 12 months postoperatively using the American Knee Society Score, Western Ontario and McMaster Universities Osteoarthritis Index, and EuroQol 5-Dimension.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>There were no differences in the 30-day complication rates and ICU admission rate between the BTKA and UTKA groups after matching (1.4% vs. 0.9%; <jats:italic>p<\/jats:italic>\u2009=\u20090.60, 0.5% vs. 0.6%; <jats:italic>p<\/jats:italic>\u2009=\u20091.00). However, patients who underwent BTKA had a longer LOS, a higher incidence of transfusion (7.2% vs. 2.1%; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), greater blood loss (128.6\u2009\u00b1\u200975.5 vs. 72.5\u2009\u00b1\u200945.6 mL; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), and a more pronounced decrease in Hb levels (3.1 vs. 2.9\u00a0g\/dL; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) than those who underwent UTKA. No significant differences were observed in PROMs at one year postoperatively.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Patients who underwent BTKA reported similar 30-day complication rates, ICU admissions, and PROMs compared to UTKA. Despite higher LOS, transfusion rates, blood loss, and Hb decrease, BTKA remains a safe, effective option. It should be performed cautiously, considering patient comorbidities and overall health in treating bilateral knee OA.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s13018-025-05933-7","type":"journal-article","created":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T01:36:23Z","timestamp":1748050583000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical safety and efficacy of simultaneous bilateral total knee arthroplasty in an Asian population: a propensity score-matched analysis"],"prefix":"10.1186","volume":"20","author":[{"given":"Kwan Kyu","family":"Park","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyuck Min","family":"Kwon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byung Woo","family":"Cho","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tae Sung","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Woo-Suk","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun Young","family":"Park","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,5,24]]},"reference":[{"issue":"1","key":"5933_CR1","doi-asserted-by":"publisher","first-page":"599","DOI":"10.1186\/s13018-024-05082-3","volume":"19","author":"MS Kim","year":"2024","unstructured":"Kim MS, Choi KY, Hur JH, In Y. A high-flexion design total knee prosthesis: a ten to twelve-year follow-up study. J Orthop Surg Res. 2024;19(1):599. https:\/\/doi.org\/10.1186\/s13018-024-05082-3.","journal-title":"J Orthop Surg Res"},{"issue":"1","key":"5933_CR2","doi-asserted-by":"publisher","first-page":"872","DOI":"10.1186\/s13018-024-05372-w","volume":"19","author":"P Xing","year":"2024","unstructured":"Xing P, Qu J, Feng S, Guo J, Huang T. Comparison of the efficacy of robot-assisted total knee arthroplasty in patients with knee osteoarthritis with varying severity deformity. J Orthop Surg Res. 2024;19(1):872. https:\/\/doi.org\/10.1186\/s13018-024-05372-w.","journal-title":"J Orthop Surg Res"},{"issue":"1","key":"5933_CR3","doi-asserted-by":"publisher","first-page":"856","DOI":"10.1186\/s13018-024-05357-9","volume":"19","author":"X Li","year":"2024","unstructured":"Li X, Lai J, Yang X, Xu H, Xiang S. Intra-articular injection of Vancomycin after arthrotomy closure following gentamicin-impregnated bone cementation in primary total knee arthroplasty provides a high intra-articular concentration while avoiding systemic toxicity: a prospective study. J Orthop Surg Res. 2024;19(1):856. https:\/\/doi.org\/10.1186\/s13018-024-05357-9.","journal-title":"J Orthop Surg Res"},{"key":"5933_CR4","doi-asserted-by":"publisher","unstructured":"Metcalfe AJ, Stewart C, Postans N, Dodds AL, Holt CA, Roberts AP. The effect of osteoarthritis of the knee on the biomechanics of other joints in the lower limbs. Bone Joint J. 2013;395\u2013b. https:\/\/doi.org\/10.1302\/0301-620x.95b3.30850.","DOI":"10.1302\/0301-620x.95b3.30850"},{"issue":"1","key":"5933_CR5","doi-asserted-by":"publisher","first-page":"699","DOI":"10.1186\/s13018-024-05194-w","volume":"19","author":"Y Liu","year":"2024","unstructured":"Liu Y, Xing Z, Wu B, Chen N, Wu T, Cai Z, et al. Association of MRI-based knee osteoarthritis structural phenotypes with short-term structural progression and subsequent total knee replacement. J Orthop Surg Res. 2024;19(1):699. https:\/\/doi.org\/10.1186\/s13018-024-05194-w.","journal-title":"J Orthop Surg Res"},{"key":"5933_CR6","doi-asserted-by":"publisher","first-page":"153","DOI":"10.1186\/1471-2474-13-153","volume":"13","author":"AJ Metcalfe","year":"2012","unstructured":"Metcalfe AJ, Andersson ML, Goodfellow R, Thorstensson CA. Is knee osteoarthritis a symmetrical disease? Analysis of a 12 year prospective cohort study. BMC Musculoskelet Disord. 2012;13:153. https:\/\/doi.org\/10.1186\/1471-2474-13-153.","journal-title":"BMC Musculoskelet Disord"},{"issue":"4","key":"5933_CR7","doi-asserted-by":"publisher","first-page":"1565","DOI":"10.1007\/s00402-024-05252-2","volume":"144","author":"M Kop","year":"2024","unstructured":"Kop M, Kim N, Shimoda B, Unebasami E, Weldon RH, Nakasone CK. The prevalence of bilateral and ipsilateral radiographic osteoarthritis is high in white, Asian and native Hawaiian\/Pacific Islanders presenting for unilateral knee or hip arthroplasty. Arch Orthop Trauma Surg. 2024;144(4):1565\u201373. https:\/\/doi.org\/10.1007\/s00402-024-05252-2.","journal-title":"Arch Orthop Trauma Surg"},{"issue":"1","key":"5933_CR8","doi-asserted-by":"publisher","first-page":"840","DOI":"10.1186\/s13018-024-05273-y","volume":"19","author":"J Yang","year":"2024","unstructured":"Yang J, Li X, Liu P, Liu X, Li L, Zhang M. The impact of patellofemoral joint diseases on functional outcomes and prosthesis survival in patients undergoing unicompartmental knee arthroplasty: a systematic review and meta-analysis. J Orthop Surg Res. 2024;19(1):840. https:\/\/doi.org\/10.1186\/s13018-024-05273-y.","journal-title":"J Orthop Surg Res"},{"issue":"6","key":"5933_CR9","doi-asserted-by":"publisher","first-page":"880","DOI":"10.4055\/cios24114","volume":"16","author":"M Aoun","year":"2024","unstructured":"Aoun M, Chalhoub R, Nham FH, Kassis E, Daher M, El-Othmani MM. Evolution and hotspots in bilateral total joint arthroplasty research: A bibliometric analysis. Clin Orthop Surg. 2024;16(6):880\u20139. https:\/\/doi.org\/10.4055\/cios24114.","journal-title":"Clin Orthop Surg"},{"issue":"16","key":"5933_CR10","doi-asserted-by":"publisher","first-page":"1441","DOI":"10.2106\/jbjs.L.00373","volume":"95","author":"SM Odum","year":"2013","unstructured":"Odum SM, Troyer JL, Kelly MP, Dedini RD, Bozic KJ. A cost-utility analysis comparing the cost-effectiveness of simultaneous and staged bilateral total knee arthroplasty. J Bone Joint Surg Am. 2013;95(16):1441\u20139. https:\/\/doi.org\/10.2106\/jbjs.L.00373.","journal-title":"J Bone Joint Surg Am"},{"issue":"4","key":"5933_CR11","doi-asserted-by":"publisher","first-page":"273","DOI":"10.1055\/s-0032-1329721","volume":"26","author":"E Vulcano","year":"2013","unstructured":"Vulcano E, Memtsoudis S, Della Valle AG. Bilateral total knee arthroplasty guidelines: are we there yet? J Knee Surg. 2013;26(4):273\u20139. https:\/\/doi.org\/10.1055\/s-0032-1329721.","journal-title":"J Knee Surg"},{"issue":"6","key":"5933_CR12","doi-asserted-by":"publisher","first-page":"2227","DOI":"10.1016\/j.arth.2021.01.045","volume":"36","author":"NS Makaram","year":"2021","unstructured":"Makaram NS, Roberts SB, Macpherson GJ. Simultaneous bilateral total knee arthroplasty is associated with shorter length of stay but increased mortality compared with staged bilateral total knee arthroplasty: A systematic review and Meta-Analysis. J Arthroplasty. 2021;36(6):2227\u201338. https:\/\/doi.org\/10.1016\/j.arth.2021.01.045.","journal-title":"J Arthroplasty"},{"key":"5933_CR13","doi-asserted-by":"publisher","unstructured":"Najfeld M, Kalteis T, Spiegler C, Ley C, Hube R. The safety of bilateral simultaneous hip and knee arthroplasty versus staged arthroplasty in a High-Volume center comparing blood loss, Peri- and postoperative complications, and early functional outcome. J Clin Med. 2021;10(19). https:\/\/doi.org\/10.3390\/jcm10194507.","DOI":"10.3390\/jcm10194507"},{"issue":"7","key":"5933_CR14","doi-asserted-by":"publisher","first-page":"1141","DOI":"10.1016\/j.arth.2012.09.023","volume":"28","author":"D Fu","year":"2013","unstructured":"Fu D, Li G, Chen K, Zeng H, Zhang X, Cai Z. Comparison of clinical outcome between simultaneous-bilateral and staged-bilateral total knee arthroplasty: a systematic review of retrospective studies. J Arthroplasty. 2013;28(7):1141\u20137. https:\/\/doi.org\/10.1016\/j.arth.2012.09.023.","journal-title":"J Arthroplasty"},{"issue":"13","key":"5933_CR15","doi-asserted-by":"publisher","first-page":"1058","DOI":"10.2106\/jbjs.M.00065","volume":"96","author":"SM Odum","year":"2014","unstructured":"Odum SM, Springer BD. In-Hospital complication rates and associated factors after simultaneous bilateral versus unilateral total knee arthroplasty. J Bone Joint Surg Am. 2014;96(13):1058\u201365. https:\/\/doi.org\/10.2106\/jbjs.M.00065.","journal-title":"J Bone Joint Surg Am"},{"issue":"4","key":"5933_CR16","doi-asserted-by":"publisher","first-page":"303","DOI":"10.2106\/jbjs.20.01046","volume":"103","author":"JA Warren","year":"2021","unstructured":"Warren JA, Siddiqi A, Krebs VE, Molloy R, Higuera CA, Piuzzi NS. Bilateral simultaneous total knee arthroplasty May not be safe even in the healthiest patients. J Bone Joint Surg Am. 2021;103(4):303\u201311. https:\/\/doi.org\/10.2106\/jbjs.20.01046.","journal-title":"J Bone Joint Surg Am"},{"key":"5933_CR17","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2020.10.017","author":"EA Remily","year":"2020","unstructured":"Remily EA, Wilkie WA, Mohamed NS, Gilson G, Smith T, Zweigle JW, et al. Knee. 2020;27(6):1963\u201370. https:\/\/doi.org\/10.1016\/j.knee.2020.10.017. Same-Day Bilateral Total Knee Arthroplasty: Incidence and Perioperative Outcome Trends from 2009 to 2016."},{"key":"5933_CR18","doi-asserted-by":"publisher","unstructured":"Memtsoudis SG, Hargett M, Russell LA, Parvizi J, Cats-Baril WL, Stundner O, et al. Consensus statement from the consensus conference on bilateral total knee arthroplasty group. Clin Orthop Relat Res. 2013;471(8):2649\u201357. https:\/\/doi.org\/10.1007\/s11999-013-2976-9.","DOI":"10.1007\/s11999-013-2976-9"},{"key":"5933_CR19","doi-asserted-by":"publisher","unstructured":"Wang KY, LaVelle MJ, Gazgalis A, Bender JM, Geller JA, Neuwirth AL, et al. Bilateral total knee arthroplasty: current concepts review. JBJS Rev. 2023;11(1). https:\/\/doi.org\/e22.00194. https:\/\/doi.org\/10.2106\/jbjs.Rvw.22.00194","DOI":"10.2106\/jbjs.Rvw.22.00194"},{"issue":"3","key":"5933_CR20","doi-asserted-by":"publisher","first-page":"830","DOI":"10.1007\/s00167-021-06773-8","volume":"31","author":"AJ Garner","year":"2023","unstructured":"Garner AJ, Dandridge OW, van Arkel RJ, Cobb JP. Medial bicompartmental arthroplasty patients display more normal gait and improved satisfaction, compared to matched total knee arthroplasty patients. Knee Surg Sports Traumatol Arthrosc. 2023;31(3):830\u20138. https:\/\/doi.org\/10.1007\/s00167-021-06773-8.","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"5933_CR21","doi-asserted-by":"publisher","unstructured":"Park HJ, Park KK, Park JY, Lee B, Choi YS, Kwon HM. Peripheral nerve block for pain management after total hip arthroplasty: A retrospective study with propensity score matching. J Clin Med. 2022;11(18). https:\/\/doi.org\/10.3390\/jcm11185456.","DOI":"10.3390\/jcm11185456"},{"issue":"1","key":"5933_CR22","doi-asserted-by":"publisher","first-page":"843","DOI":"10.1186\/s13018-024-05324-4","volume":"19","author":"C Zhao","year":"2024","unstructured":"Zhao C, Liao Q, Yang D, Yang M, Xu P. Advances in perioperative pain management for total knee arthroplasty: a review of multimodal analgesic approaches. J Orthop Surg Res. 2024;19(1):843. https:\/\/doi.org\/10.1186\/s13018-024-05324-4.","journal-title":"J Orthop Surg Res"},{"issue":"1","key":"5933_CR23","doi-asserted-by":"publisher","first-page":"41","DOI":"10.1093\/biomet\/70.1.41","volume":"70","author":"PR ROSENBAUM","year":"1983","unstructured":"Rosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70(1):41\u201355. https:\/\/doi.org\/10.1093\/biomet\/70.1.41.","journal-title":"Biometrika"},{"issue":"6","key":"5933_CR24","doi-asserted-by":"publisher","first-page":"1220","DOI":"10.2106\/jbjs.F.01353","volume":"89","author":"C Restrepo","year":"2007","unstructured":"Restrepo C, Parvizi J, Dietrich T, Einhorn TA. Safety of simultaneous bilateral total knee arthroplasty. A meta-analysis. J Bone Joint Surg Am. 2007;89(6):1220\u20136. https:\/\/doi.org\/10.2106\/jbjs.F.01353.","journal-title":"J Bone Joint Surg Am"},{"issue":"23","key":"5933_CR25","doi-asserted-by":"publisher","first-page":"2203","DOI":"10.2106\/jbjs.J.01350","volume":"93","author":"JP Meehan","year":"2011","unstructured":"Meehan JP, Danielsen B, Tancredi DJ, Kim S, Jamali AA, White RH. A population-based comparison of the incidence of adverse outcomes after simultaneous-bilateral and staged-bilateral total knee arthroplasty. J Bone Joint Surg Am. 2011;93(23):2203\u201313. https:\/\/doi.org\/10.2106\/jbjs.J.01350.","journal-title":"J Bone Joint Surg Am"},{"issue":"3","key":"5933_CR26","doi-asserted-by":"crossref","first-page":"148","DOI":"10.3113\/JSOA.2017.0148","volume":"26","author":"ME Menendez","year":"2017","unstructured":"Menendez ME, Greber EM, Schumacher CS, Lowry Barnes C. Predictors of acute ischemic stroke after total knee arthroplasty. J Surg Orthop Adv. 2017;26(3):148\u201353.","journal-title":"J Surg Orthop Adv"},{"issue":"12","key":"5933_CR27","doi-asserted-by":"publisher","first-page":"3901","DOI":"10.1016\/j.arth.2021.08.030","volume":"36","author":"MS Abdelaal","year":"2021","unstructured":"Abdelaal MS, Calem D, Sherman MB, Sharkey PF. Short interval staged bilateral total knee arthroplasty: safety compared to simultaneous and later staged bilateral total knee arthroplasty. J Arthroplasty. 2021;36(12):3901\u20138. https:\/\/doi.org\/10.1016\/j.arth.2021.08.030.","journal-title":"J Arthroplasty"},{"issue":"5","key":"5933_CR28","doi-asserted-by":"publisher","first-page":"638","DOI":"10.1016\/j.bja.2020.01.017","volume":"124","author":"SG Memtsoudis","year":"2020","unstructured":"Memtsoudis SG, Fiasconaro M, Soffin EM, Liu J, Wilson LA, Poeran J, et al. Enhanced recovery after surgery components and perioperative outcomes: a nationwide observational study. Br J Anaesth. 2020;124(5):638\u201347. https:\/\/doi.org\/10.1016\/j.bja.2020.01.017.","journal-title":"Br J Anaesth"},{"issue":"21","key":"5933_CR29","doi-asserted-by":"publisher","first-page":"2977","DOI":"10.4103\/0366-6999.168083","volume":"128","author":"LL Ma","year":"2015","unstructured":"Ma LL, Yu XR. Severe acute respiratory distress syndrome after bilateral total knee replacement. Chin Med J (Engl). 2015;128(21):2977\u20138. https:\/\/doi.org\/10.4103\/0366-6999.168083.","journal-title":"Chin Med J (Engl)"},{"issue":"12","key":"5933_CR30","doi-asserted-by":"publisher","first-page":"2944","DOI":"10.1016\/j.arth.2019.07.002","volume":"34","author":"EL Tsay","year":"2019","unstructured":"Tsay EL, Grace TR, Vail T, Ward D. Bilateral simultaneous vs staged total knee arthroplasty: minimal difference in perioperative risks. J Arthroplasty. 2019;34(12):2944\u2013e91. https:\/\/doi.org\/10.1016\/j.arth.2019.07.002.","journal-title":"J Arthroplasty"},{"issue":"1","key":"5933_CR31","doi-asserted-by":"publisher","first-page":"31","DOI":"10.1016\/j.arth.2015.07.031","volume":"31","author":"A Hart","year":"2016","unstructured":"Hart A, Antoniou J, Brin YS, Huk OL, Zukor DJ, Bergeron SG. Simultaneous bilateral versus unilateral total knee arthroplasty: A comparison of 30-Day readmission rates and major complications. J Arthroplasty. 2016;31(1):31\u20135. https:\/\/doi.org\/10.1016\/j.arth.2015.07.031.","journal-title":"J Arthroplasty"},{"issue":"22","key":"5933_CR32","doi-asserted-by":"publisher","first-page":"e15931","DOI":"10.1097\/md.0000000000015931","volume":"98","author":"L Liu","year":"2019","unstructured":"Liu L, Liu H, Zhang H, Song J, Zhang L. Bilateral total knee arthroplasty: simultaneous or staged? A systematic review and meta-analysis. Med (Baltim). 2019;98(22):e15931. https:\/\/doi.org\/10.1097\/md.0000000000015931.","journal-title":"Med (Baltim)"},{"issue":"12","key":"5933_CR33","doi-asserted-by":"publisher","first-page":"1023","DOI":"10.2106\/jbjs.17.00908","volume":"100","author":"MP Abdel","year":"2018","unstructured":"Abdel MP, Chalmers BP, Taunton MJ, Pagnano MW, Trousdale RT, Sierra RJ, et al. Intravenous versus topical Tranexamic acid in total knee arthroplasty: both effective in a randomized clinical trial of 640 patients. J Bone Joint Surg Am. 2018;100(12):1023\u20139. https:\/\/doi.org\/10.2106\/jbjs.17.00908.","journal-title":"J Bone Joint Surg Am"},{"issue":"5","key":"5933_CR34","doi-asserted-by":"publisher","first-page":"826","DOI":"10.1111\/ans.15766","volume":"90","author":"SD Gill","year":"2020","unstructured":"Gill SD, Hill-Buxton LM, Gwini SM, Morrison S, Moreira B, Beattie S, et al. Simultaneous (two-surgeon) versus staged bilateral knee arthroplasty: an observational study of intraoperative and post-operative outcomes. ANZ J Surg. 2020;90(5):826\u201332. https:\/\/doi.org\/10.1111\/ans.15766.","journal-title":"ANZ J Surg"},{"issue":"1","key":"5933_CR35","doi-asserted-by":"publisher","first-page":"21","DOI":"10.1186\/s43019-024-00225-6","volume":"36","author":"LP Alamino","year":"2024","unstructured":"Alamino LP, Garabano G, Pesciallo C, Del Sel H. Bilateral simultaneous total knee arthroplasty with and without patellar resurfacing. A prospective single surgeon series with a minimum follow-up of 7 years. Knee Surg Relat Res. 2024;36(1):21. https:\/\/doi.org\/10.1186\/s43019-024-00225-6.","journal-title":"Knee Surg Relat Res"},{"issue":"10","key":"5933_CR36","doi-asserted-by":"publisher","first-page":"1981","DOI":"10.2106\/00004623-200310000-00018","volume":"85","author":"DP Bullock","year":"2003","unstructured":"Bullock DP, Sporer SM, Shirreffs TG Jr. Comparison of simultaneous bilateral with unilateral total knee arthroplasty in terms of perioperative complications. J Bone Joint Surg Am. 2003;85(10):1981\u20136. https:\/\/doi.org\/10.2106\/00004623-200310000-00018.","journal-title":"J Bone Joint Surg Am"},{"issue":"14","key":"5933_CR37","doi-asserted-by":"publisher","first-page":"1072","DOI":"10.2106\/jbjs.23.00112","volume":"105","author":"MK Richardson","year":"2023","unstructured":"Richardson MK, Liu KC, Mayfield CK, Kistler NM, Christ AB, Heckmann ND. Complications and safety of simultaneous bilateral total knee arthroplasty: A patient characteristic and Comorbidity-Matched analysis. J Bone Joint Surg Am. 2023;105(14):1072\u20139. https:\/\/doi.org\/10.2106\/jbjs.23.00112.","journal-title":"J Bone Joint Surg Am"},{"issue":"8","key":"5933_CR38","doi-asserted-by":"publisher","first-page":"1157","DOI":"10.2106\/00004623-200108000-00004","volume":"83","author":"J Parvizi","year":"2001","unstructured":"Parvizi J, Sullivan TA, Trousdale RT, Lewallen DG. Thirty-day mortality after total knee arthroplasty. J Bone Joint Surg Am. 2001;83(8):1157\u201361. https:\/\/doi.org\/10.2106\/00004623-200108000-00004.","journal-title":"J Bone Joint Surg Am"}],"container-title":["Journal of Orthopaedic Surgery and Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13018-025-05933-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s13018-025-05933-7\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13018-025-05933-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T01:36:24Z","timestamp":1748050584000},"score":1,"resource":{"primary":{"URL":"https:\/\/josr-online.biomedcentral.com\/articles\/10.1186\/s13018-025-05933-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,5,24]]},"references-count":38,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,12]]}},"alternative-id":["5933"],"URL":"https:\/\/doi.org\/10.1186\/s13018-025-05933-7","relation":{"references":[{"id-type":"doi","id":"10.1016\/j.knee.2020.10.017","asserted-by":"subject"}]},"ISSN":["1749-799X"],"issn-type":[{"value":"1749-799X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,5,24]]},"assertion":[{"value":"19 April 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 May 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"24 May 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was approved by the Institutional Review Board of Severance Hospital (4-2023-0781).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"508"}}