{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,6]],"date-time":"2026-07-06T19:49:33Z","timestamp":1783367373009,"version":"3.54.6"},"reference-count":23,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T00:00:00Z","timestamp":1607904000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>The purpose of the present paper was to study isolated meniscal ramp lesions without obvious ACL rupture. Their biomechanical mechanisms were analyzed and their clinical characteristics were reviewed. The clinical effects of an all\u2010inside horizontal mattress suture for isolated ramp lesions were evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Twenty isolated meniscal ramp lesion patients without obvious ACL rupture from 2015 to 2017 were retrospectively reviewed. Preoperative MRI showed intact ACL and signs of ramp lesions. These isolated ramp lesions were arthroscopically confirmed and repaired through an all\u2010inside horizontal mattress suturing method. MRI was performed 3\u2009months postoperatively to assess isolated ramp lesion healing. The Tegner\u2013Lysholm score and the visual analog scale score were recorded preoperatively and at 2\u2009years postoperatively. The Wilcoxon rank sum test was performed to determine statistical significance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Arthroscopic exploration confirmed isolated ramp lesions and longitudinal ACL splits or degeneration without obvious ACL rupture. MRI 3\u2009months postoperatively showed healing of the isolated ramp lesions. At 2\u2009years postoperatively, the VAS scores were significantly decreased and the Tegner\u2013Lysholm scores were significantly increased. Knee function, without pain, was restored in all patients, including walking, climing and descending stairs, and squatting.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Isolated meniscal ramp lesions without obvious ACL rupture may exist because of ACL longitudinal splits or degeneration and can be repaired through anterolateral and anteromedial portals with an all\u2010inside horizontal\u2010mattress suturing method.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.12860","type":"journal-article","created":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T12:37:34Z","timestamp":1607949454000},"page":"402-407","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Isolated Meniscal Ramp Lesion Without Obvious Anterior Cruicate Ligament Rupture"],"prefix":"10.1111","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4508-8005","authenticated-orcid":false,"given":"Jun","family":"Jiang","sequence":"first","affiliation":[{"name":"Arthritis Clinic and Research Center Peking University People Hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Ni","sequence":"additional","affiliation":[{"name":"Arthritis Clinic and Research Center Peking University People Hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Chen","sequence":"additional","affiliation":[{"name":"Arthritis Clinic and Research Center Peking University People Hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,12,14]]},"reference":[{"key":"e_1_2_5_2_1","first-page":"171","volume-title":"Manual of Arthroscopic Surgery","author":"Strobel 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