{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T19:32:29Z","timestamp":1783020749928,"version":"3.54.6"},"reference-count":20,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>The safety of single-stage bilateral total knee arthroplasty (TKA) has been a subject of debate due to concerns of morbidity and mortality. The advantages of one-stage (OS) bilateral TKA include shorter recovery time, a shorter hospital stay and perhaps reduced total treatment costs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>This study aimed to evaluate the clinical outcomes and complications following OS versus two-stage (TS) bilateral TKA for severe osteoarthritis of both the knees.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients and Methods:<\/jats:title>\n                    <jats:p>\n                      This retrospective comparative analysis was carried out between January 2021 and December 2025 at the National Orthopaedic Hospital, Dala, Kano, and the University of Abuja Teaching Hospital, Gwagwalada. Clinical outcomes using the KSS scoring system and the rate of complications were recorded. Patients\u2019 satisfaction was also documented using the Likert scale. The statistical analysis was performed using SPSS version 26.0. Using a level of significance of 0.5, the two independent groups were compared using independent Student\u2019s\n                      <jats:italic toggle=\"yes\">t<\/jats:italic>\n                      -test.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      There was no significant difference in post-operative KSS between the two groups (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.717). The mean post-operative KSS in the OS and TS groups were 97.78 \u00b1 1.78 and 97.76 \u00b1 1.74, respectively. Post-operative complications also did not significantly differ in the two groups (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.712).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>In properly selected cases, OS bilateral TKA is less expensive and yields clinical outcomes, complication rate and patient satisfaction comparable to those of a TS procedure.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/npmj.npmj_683_25","type":"journal-article","created":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T05:00:31Z","timestamp":1782968431000},"page":"529-532","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Comparative Analysis of the Clinical Outcomes, Complications and Patient Satisfaction of One-stage versus Two-stage Bilateral Total Knee Arthroplasty"],"prefix":"10.4103","volume":"33","author":[{"given":"Mohammed Nuhu","family":"Salihu","sequence":"first","affiliation":[{"name":"Department of Orthopaedics, University of Abuja Teaching Hospital, Abuja, Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soliudeen Adebayo","family":"Arojuraye","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, National Orthopaedic Hospital, Dala, Kano, Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2026,7,2]]},"reference":[{"key":"R1-20260702","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/S0883-5403(05)80123-8","article-title":"Health and quality of life before and after hip or knee arthroplasty","volume":"10","author":"Rissanen","year":"1995","journal-title":"J Arthroplasty"},{"key":"R2-20260702","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1177\/230949901302100107","article-title":"Simultaneous bilateral total knee replacement: A prospective study of 150 patients","volume":"21","author":"Jain","year":"2013","journal-title":"J Orthop Surg (Hong Kong)"},{"key":"R3-20260702","doi-asserted-by":"crossref","first-page":"780","DOI":"10.3928\/01477447-20080801-23","article-title":"Morbidity and mortality of simultaneous bilateral total knee arthroplasty","volume":"31","author":"Patil","year":"2008","journal-title":"Orthopedics"},{"key":"R4-20260702","doi-asserted-by":"crossref","first-page":"1220","DOI":"10.2106\/00004623-200706000-00009","article-title":"Safety of simultaneous bilateral total knee arthroplasty. A meta-analysis","volume":"89","author":"Restrepo","year":"2007","journal-title":"J Bone Joint Surg Am"},{"key":"R5-20260702","doi-asserted-by":"crossref","first-page":"420","DOI":"10.1016\/j.knee.2009.04.009","article-title":"Simultaneous bilateral total knee replacement: A persistent controversy","volume":"16","author":"Noble","year":"2009","journal-title":"Knee"},{"issue":"414","key":"R6-20260702","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1097\/01.blo.0000079265.91782.ca","article-title":"Economics of one-stage versus two-stage bilateral total knee arthroplasties","author":"Macario","year":"2003","journal-title":"Clin Orthop Relat Res"},{"key":"R7-20260702","doi-asserted-by":"crossref","first-page":"857","DOI":"10.1016\/j.otsr.2012.08.003","article-title":"Bilateral total knee arthroplasty in a one-stage surgical procedure","volume":"98","author":"Trojani","year":"2012","journal-title":"Orthop Traumatol Surg Res"},{"key":"R8-20260702","doi-asserted-by":"crossref","first-page":"3066","DOI":"10.1007\/s11999-008-0404-3","article-title":"Higher early mortality with simultaneous rather than staged bilateral TKAs: Results from the Swedish knee arthroplasty register","volume":"466","author":"Stef\u00e1nsd\u00f3ttir","year":"2008","journal-title":"Clin Orthop Relat Res"},{"key":"R9-20260702","first-page":"102","article-title":"The practice of bilateral, simultaneous total knee replacement in Scotland over the last decade","volume":"13","author":"Walmsley","year":"2006","journal-title":"Data from the Scottish Arthroplasty Project. Knee"},{"key":"R10-20260702","first-page":"2146","article-title":"Bilateral total knee replacement: Staging and pulmonary embolism","volume":"88","author":"Barrett","year":"2006","journal-title":"J Bone Joint Surg Am"},{"key":"R11-20260702","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1007\/s002640050284","article-title":"Simultaneous bilateral total knee arthroplasty in a single procedure","volume":"22","author":"Liu","year":"1998","journal-title":"Int Orthop"},{"key":"R12-20260702","doi-asserted-by":"crossref","first-page":"247","DOI":"10.2106\/00004623-197860020-00019","article-title":"Simultaneous and staged bilateral total knee arthroplasty","volume":"60","author":"Hardaker","year":"1978","journal-title":"J Bone Joint Surg Am"},{"key":"R13-20260702","first-page":"E224","article-title":"Is simultaneous bilateral total knee arthroplasty (BTKA) as safe as staged BTKA?","volume":"46","author":"Hadley","year":"2017","journal-title":"Am J Orthop (Belle Mead NJ)"},{"key":"R14-20260702","doi-asserted-by":"crossref","first-page":"1065","DOI":"10.2106\/JBJS.J.01681","article-title":"The relationship between the American Society of Anesthesiologists physical rating and outcome following total hip and knee arthroplasty: An analysis of the New Zealand joint registry","volume":"94","author":"Hooper","year":"2012","journal-title":"J Bone Joint Surg Am"},{"key":"R15-20260702","doi-asserted-by":"crossref","first-page":"3327","DOI":"10.1002\/art.10631","article-title":"Timing of total joint replacement affects clinical outcomes among patients with osteoarthritis of the hip or knee","volume":"46","author":"Fortin","year":"2002","journal-title":"Arthritis Rheum"},{"key":"R16-20260702","doi-asserted-by":"crossref","first-page":"1141","DOI":"10.1016\/j.arth.2012.09.023","article-title":"Comparison of clinical outcome between simultaneous-bilateral and staged-bilateral total knee arthroplasty: A systematic review of retrospective studies","volume":"28","author":"Fu","year":"2013","journal-title":"J Arthroplasty"},{"key":"R17-20260702","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1016\/j.arth.2013.05.039","article-title":"Simultaneous versus staged bilateral total knee arthroplasty among Medicare beneficiaries, 2000-2009","volume":"28","author":"Bolognesi","year":"2013","journal-title":"J Arthroplasty"},{"key":"R18-20260702","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1016\/j.artd.2019.09.004","article-title":"Cerebral and pulmonary fat embolism after unilateral total knee arthroplasty","volume":"5","author":"Figueroa","year":"2019","journal-title":"Arthroplast Today"},{"key":"R19-20260702","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1016\/S0883-5403(98)90095-X","article-title":"Cost comparison between bilateral simultaneous, staged, and unilateral total joint arthroplasty","volume":"13","author":"Reuben","year":"1998","journal-title":"J Arthroplasty"},{"key":"R20-20260702","doi-asserted-by":"crossref","first-page":"221","DOI":"10.1016\/S0883-5403(86)80011-0","article-title":"Staged versus simultaneous bilateral total knee replacement","volume":"1","author":"Brotherton","year":"1986","journal-title":"J Arthroplasty"}],"container-title":["Nigerian Postgraduate Medical Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.lww.com\/10.4103\/npmj.npmj_683_25","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T18:08:39Z","timestamp":1783015719000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.lww.com\/10.4103\/npmj.npmj_683_25"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":20,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026]]}},"URL":"https:\/\/doi.org\/10.4103\/npmj.npmj_683_25","relation":{},"ISSN":["1117-1936","2468-6875"],"issn-type":[{"value":"1117-1936","type":"print"},{"value":"2468-6875","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"2025-12-25","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-04-28","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}