{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T08:53:04Z","timestamp":1774947184395,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,11,22]],"date-time":"2024-11-22T00:00:00Z","timestamp":1732233600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004731","name":"Natural Science Foundation of Zhejiang Province","doi-asserted-by":"publisher","award":["LD22C060002"],"award-info":[{"award-number":["LD22C060002"]}],"id":[{"id":"10.13039\/501100004731","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>According to Association Research Circulation Osseous (ARCO) staging, patients with ARCO III osteonecrosis of femoral head (ONFH) have joint pain and dysfunction due to the collapse of femoral head. Current hip preservation surgeries are not satisfying in the treatment of ARCO III ONFH according to the long\u2010term follow\u2010up. In our practice, we focused on reconstructing femoral head by restoring the round shape of femoral head and subsequently preventing the development of hip arthritis. To lift the collapsed femoral head and postpone the potential total hip arthroplasty, we practiced Jack surgery, combining surgical hip dislocation, removal of necrotic bone, impaction bone grafting, and lifting the cartilage of femoral head.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From February 2019 to July 2022, 13 patients (15 hips) who received Jack surgery in the research center were included in this retrospective study. Follow\u2010up was conducted every 3\u2009months after surgery for imaging and clinical evaluation. The differences between visual analogue scale (VAS) and Harris hip score (HSS) before and after surgery were compared to observe whether the femoral head collapsed and whether osteotomy healed after surgery. Severe collapse of the femoral head ( &gt;\u20092\u2009mm) or receiving total hip arthroplasty (THA) was defined as failure of hip preservation therapy. An Independent sample <jats:italic>t<\/jats:italic>\u2010test was used to compare the data, and the chi\u2010square test was used for categorical data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All the 13 patients successfully completed the surgery and were followed up. The average time of follow\u2010up was 36.46\u2009\u00b1\u200916.87 months (ranging from 14 to 66\u2009months). HSS was assessed 12\u2009months after surgery: excellent in 1 patient with 1 hip; good in 9 patients with 11 hips; modest in 3 patients with 3 hips. To the\u2009last follow\u2010up, the VAS scores decreased from 6.17\u2009\u00b1\u20091.02 to 2.08\u2009\u00b1\u20090.90 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), HSS increased from 46.69\u2009\u00b1\u20094.15 to 89.77\u2009\u00b1\u20092.86 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). No deep infection, fracture, osteotomy nonunion, nerve injury, deep vein thrombosis, pulmonary embolism, or other complications occurred.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>For young patients with ONFH of ACRO III, this surgical technique can effectively restore the original shape of the femoral head and achieve satisfactory hip function in the short term. The mechanism is similar to jacking the roof of a house; thus, we named it \u201cJack surgery\u201d.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.14298","type":"journal-article","created":{"date-parts":[[2024,11,22]],"date-time":"2024-11-22T09:17:01Z","timestamp":1732267021000},"page":"644-652","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Jack Surgery: Reconstructing Collapsed Femoral Head in Association Research Circulation Osseous Stage <scp>III<\/scp> Osteonecrosis: A Series of 13 Cases"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6374-0159","authenticated-orcid":false,"given":"Ying","family":"Zhong","sequence":"first","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-4445-0859","authenticated-orcid":false,"given":"Yichen","family":"Gong","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1755-6665","authenticated-orcid":false,"given":"Shuaijie","family":"Lv","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wenxi","family":"Du","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-4654-5854","authenticated-orcid":false,"given":"Xun","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianhua","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peijian","family":"Tong","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Trauma The First Affiliated Hospital of Zhejiang Chinese Medical University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,11,22]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.surge.2021.12.004"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.3346\/jkms.2021.36.e177"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.19.01271"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ocl.2018.10.001"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1302\/2058-5241.4.180073"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1080\/14712598.2021.1862790"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/bmb\/ldw010"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13018-020-01717-3"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/jor.24471"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/srep23477"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijsu.2019.06.016"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.83B8.0831119"},{"issue":"2","key":"e_1_2_12_14_1","first-page":"184","article-title":"Short\u2010Term Efficacy Observation of Drilling Decompression, Autogenous Cancellous Bone Impaction Bone Grafting Combined With Allogeneic Fibula Rod Implantation in the Treatment of Early Femoral Head Necrosis","volume":"6","author":"Kang P. 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