{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:33:22Z","timestamp":1777390402833,"version":"3.51.4"},"reference-count":64,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2024,2,13]],"date-time":"2024-02-13T00:00:00Z","timestamp":1707782400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001809","name":"national natural science foundation of china","doi-asserted-by":"publisher","award":["31370945, 82002274, 82272579"],"award-info":[{"award-number":["31370945, 82002274, 82272579"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Natural Science Foundation of Shanghai","award":["19ZR1438500"],"award-info":[{"award-number":["19ZR1438500"]}]},{"DOI":"10.13039\/501100013105","name":"shanghai rising-star program","doi-asserted-by":"publisher","award":["21QC1401300"],"award-info":[{"award-number":["21QC1401300"]}],"id":[{"id":"10.13039\/501100013105","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003399","name":"science and technology commission of shanghai municipality","doi-asserted-by":"publisher","award":["22dz1204700"],"award-info":[{"award-number":["22dz1204700"]}],"id":[{"id":"10.13039\/501100003399","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>An anterior cruciate ligament (ACL) injury accompanied by patellar instability (PI) is a topic that has gained orthopaedic surgeons\u2019 attention recently. Untreated PI is reportedly associated with worse clinical outcomes after isolated ACL reconstruction (ACLR) in patients after an ACL injury with PI. Nevertheless, the appropriate surgical approach and its long-term therapeutic effects in these patients remain unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>(1) To compare the clinical and radiological outcomes between isolated ACLR (iACLR) and combined ACLR and medial patellofemoral ligament reconstruction (cAMR) in patients after an ACL injury with PI and (2) to explore the correlations between these 2 procedures and clinical and radiological outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Cohort study; Level of evidence, 3.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A total of 106 patients diagnosed with an ACL injury accompanied by PI between January 2016 and April 2021 were analyzed in this study. There were 34 patients excluded because of missing postoperative radiological data. Among the remaining 72 patients, 34 patients underwent iACLR, while 38 patients underwent cAMR. Demographic characteristics, intraoperative findings, and patient-reported outcomes (Lysholm score, subjective International Knee Documentation Committee score, and Tegner activity score) were prospectively collected. Patellar alignment parameters and worsening patellofemoral osteoarthritis (PFOA) features (evaluated with the modified Whole-Organ Magnetic Resonance Imaging Score) were analyzed longitudinally on magnetic resonance imaging. The Kujala score was used to evaluate the functional recovery of the patellofemoral joint, and redislocations of the patella were prospectively recorded. Finally, multivariate logistic regression analysis was used to explore the correlations between these 2 procedures and clinical (not achieving the minimal detectable change [MDC] for the Lysholm score) and radiological (worsening PFOA features) outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The mean follow-up duration was 28.9 \u00b1 6.2 and 27.1 \u00b1 6.8 months for the iACLR and cAMR groups, respectively (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .231). Significantly higher Lysholm scores (88.3 \u00b1 9.9 vs 82.1 \u00b1 11.1, respectively;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .016) and subjective International Knee Documentation Committee scores (83.6 \u00b1 11.9 vs 78.3 \u00b1 10.2, respectively;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .046) were detected in the cAMR group compared with the iACLR group postoperatively. The rates of return to preinjury sports were 20.6% and 44.7% in the iACLR and cAMR groups, respectively (difference, 24.1% [95% CI, 3.3%-45.0%];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .030). Moreover, the rates of worsening PFOA features were 44.1% and 18.4% in the iACLR and cAMR groups, respectively (difference, 25.7% [95% CI, 4.9%-46.4%];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .018). In addition, significantly higher Kujala scores (87.9 \u00b1 11.3 vs 80.1 \u00b1 12.0, respectively;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .006), lower redislocation rates (0.0% vs 11.8%, respectively; difference, 11.8% [95% CI, 0.9%-22.6%];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .045), and significantly better patellar alignment were detected in the cAMR group compared with the iACLR group postoperatively. Furthermore, multivariate logistic regression analysis determined that iACLR and partial lateral meniscectomy were significantly correlated with not achieving the MDC for the Lysholm score and worsening PFOA features in our study population.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>In patients after an ACL injury with PI, cAMR yielded better clinical and radiological outcomes compared with iACLR, with better patellar stability and a lower proportion of worsening PFOA features. Furthermore, not achieving the MDC for the Lysholm score and worsening PFOA features were significantly correlated with iACLR and partial lateral meniscectomy. Our study suggests that cAMR may be a more appropriate procedure for patients after an ACL injury with PI, which warrants further high-level clinical evidence.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03635465241226976","type":"journal-article","created":{"date-parts":[[2024,2,13]],"date-time":"2024-02-13T08:26:06Z","timestamp":1707812766000},"page":"936-947","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical and Radiological Outcomes After Combined ACL and MPFL Reconstruction Versus Isolated ACL Reconstruction for ACL Injury With Patellar Instability"],"prefix":"10.1177","volume":"52","author":[{"given":"Xiulin","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Sports Medicine, Shanghai Sixth People\u2019s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 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