{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T18:27:26Z","timestamp":1786991246724,"version":"build-2736575974"},"reference-count":31,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T00:00:00Z","timestamp":1781136000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T00:00:00Z","timestamp":1781136000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82172398"],"award-info":[{"award-number":["82172398"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Microsurgery"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Magnesium (Mg) ions promote bone regeneration. Combined with a vascularized periosteal flap providing blood supply and mechanical support, this approach may improve outcomes for osteonecrosis of the femoral head (ONFH), but its clinical efficacy is unclear. This study compared this approach with conventional core decompression (CD) for Association Research Circulation Osseous (ARCO) Stage II ONFH.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A retrospective analysis was conducted on 76 patients (82 hips) with ARCO Stage II ONFH. The observation group (OG) (39 patients, 44 hips) received Mg\u2010doped artificial bone combined with pedicled peri\u2010acetabular bone flap (MAB\u2010PPBF), while the control group (CG) (37 patients, 38 hips) underwent CD. Operative time, intraoperative blood loss, Harris Hip Score (HHS), Visual Analog Scale (VAS), ARCO stage, Kerboul angle, and hip\u2010preserving success rate were compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Baseline characteristics were comparable between groups. The OG had longer operative time (47.9\u2009\u00b1\u20097.2 vs. 44.2\u2009\u00b1\u20093.5\u2009min) and greater blood loss (36.2\u2009\u00b1\u20098.1 vs. 27.3\u2009\u00b1\u20097.1\u2009mL) than the CG (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). At final follow\u2010up, the OG showed significantly higher HHS (84.12\u2009\u00b1\u20093.14 vs. 81.94\u2009\u00b1\u20092.09) and lower VAS (2.97\u2009\u00b1\u20090.43 vs. 3.32\u2009\u00b1\u20090.76) compared with controls (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The OG also had a higher proportion of ARCO Stage II (47.6% vs. 30.0%) and lower proportion of Stage IV (4.8% vs. 16.7%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The Kerboul angle was significantly smaller in the OG (203.54\u00b0\u2009\u00b1\u200932.84\u00b0 vs. 221.39\u00b0\u2009\u00b1\u200931.82\u00b0,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The hip\u2010preserving success rate was significantly higher in the OG (90.9%, 40\/44) than in the CG (65.8%, 25\/38,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>For ARCO Stage II ONFH, MAB\u2010PPBF achieves more thorough necrotic bone removal, adequate grafting, accelerated bone regeneration, effective hip pain relief, improved hip function, and delayed disease progression compared with CD, showing superior clinical outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/micr.70250","type":"journal-article","created":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T11:49:06Z","timestamp":1781178546000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Magnesium\u2010Doped Artificial Bone Combined With Pedicled Peri\u2010Acetabular Bone Flap for\n                    <scp>ARCO<\/scp>\n                    Stage II Osteonecrosis of the Femoral Head: A Comparative Study"],"prefix":"10.1002","volume":"46","author":[{"given":"Feng","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3440-281X","authenticated-orcid":false,"given":"Liangliang","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianwei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiawei","family":"Ying","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xu","family":"Feng","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Su","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dewei","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Zhongshan Hospital of Dalian University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,6,11]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1302\/2058-5241.4.180073"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/D5CC04243G"},{"key":"e_1_2_11_4_1","article-title":"Nontraumatic Osteonecrosis of the Femoral Head: An International Evidence\u2010Based Clinical Practice Guideline","author":"Cheng E. 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