{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T07:07:49Z","timestamp":1789024069522,"version":"build-2803163510"},"reference-count":34,"publisher":"Springer Science and Business Media LLC","issue":"9","license":[{"start":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T00:00:00Z","timestamp":1784592000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T00:00:00Z","timestamp":1784592000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["International Orthopaedics (SICOT)"],"published-print":{"date-parts":[[2026,9]]},"DOI":"10.1007\/s00264-026-06965-2","type":"journal-article","created":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T05:47:08Z","timestamp":1784612828000},"page":"2303-2312","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Navigation-assisted curved intertrochanteric varus osteotomy for osteonecrosis of the femoral head"],"prefix":"10.1007","volume":"50","author":[{"given":"Hiroaki","family":"Ido","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yusuke","family":"Osawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"yasuhiko","family":"Takegami","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroto","family":"Funahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinya","family":"Tanaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiro","family":"Imagama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,21]]},"reference":[{"key":"6965_CR1","first-page":"31","volume":"113","author":"D Arbab","year":"2016","unstructured":"Arbab D, K\u00f6nig DP (2016) Atraumatic femoral head necrosis in adults. Dtsch Arztebl Int 113:31\u201338","journal-title":"Dtsch Arztebl Int"},{"key":"6965_CR2","doi-asserted-by":"publisher","first-page":"859","DOI":"10.1007\/s00402-009-0939-0","volume":"130","author":"B-L Wang","year":"2010","unstructured":"Wang B-L, Sun W, Shi Z-C, Zhang N-F, Yue D-B, Guo W-S et al (2010) Treatment of nontraumatic osteonecrosis of the femoral head with the implantation of core decompression and concentrated autologous bone marrow containing mononuclear cells. Arch Orthop Trauma Surg 130:859\u2013865","journal-title":"Arch Orthop Trauma Surg"},{"key":"6965_CR3","doi-asserted-by":"publisher","first-page":"308","DOI":"10.1302\/0301-620X.94B3.27814","volume":"94","author":"H Ito","year":"2012","unstructured":"Ito H, Tanino H, Yamanaka Y, Nakamura T, Takahashi D, Minami A et al (2012) Long-term results of conventional varus half-wedge proximal femoral osteotomy for the treatment of osteonecrosis of the femoral head. J Bone Joint Surg Br 94:308\u2013314","journal-title":"J Bone Joint Surg Br"},{"key":"6965_CR4","doi-asserted-by":"publisher","first-page":"665","DOI":"10.1302\/0301-620X.103B4.BJJ-2020-1107.R1","volume":"103-B","author":"Y Osawa","year":"2021","unstructured":"Osawa Y, Seki T, Okura T, Takegami Y, Ishiguro N, Hasegawa Y (2021) Long-term outcomes of curved intertrochanteric varus osteotomy combined with bone impaction grafting for non-traumatic osteonecrosis of the femoral head. Bone Joint J 103-B:665\u2013671","journal-title":"Bone Joint J"},{"key":"6965_CR5","doi-asserted-by":"publisher","first-page":"1683","DOI":"10.1007\/s00264-018-3987-7","volume":"42","author":"Y Osawa","year":"2018","unstructured":"Osawa Y, Seki T, Takegami Y, Kusano T, Makida K, Ishiguro N (2018) Cementless total hip arthroplasty for osteonecrosis and osteoarthritis produce similar results at ten years follow-up when matched for age and gender. Int Orthop 42:1683\u20131688","journal-title":"Int Orthop"},{"key":"6965_CR6","doi-asserted-by":"publisher","first-page":"465","DOI":"10.1007\/s00264-010-0979-7","volume":"35","author":"HR Johannson","year":"2011","unstructured":"Johannson HR, Zywiel MG, Marker DR, Jones LC, McGrath MS, Mont MA (2011) Osteonecrosis is not a predictor of poor outcomes in primary total hip arthroplasty: a systematic literature review. Int Orthop 35:465\u2013473","journal-title":"Int Orthop"},{"key":"6965_CR7","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-026-06919-8","author":"K Oono","year":"2026","unstructured":"Oono K, Osawa Y, Funahashi H, Ido H, Takegami Y, Imagama S (2026) Comparable clinical outcomes but increased technical difficulty after total hip arthroplasty following curved intertrochanteric varus osteotomy. Int Orthop. https:\/\/doi.org\/10.1007\/s00264-026-06919-8","journal-title":"Int Orthop"},{"key":"6965_CR8","doi-asserted-by":"publisher","first-page":"2893","DOI":"10.1016\/j.arth.2018.04.016","volume":"33","author":"I Swarup","year":"2018","unstructured":"Swarup I, Lee Y-Y, Chiu Y-F, Sutherland R, Shields M, Figgie MP (2018) Implant survival and patient-reported outcomes after total hip arthroplasty in young patients. J Arthroplasty 33:2893\u20132898","journal-title":"J Arthroplasty"},{"key":"6965_CR9","doi-asserted-by":"publisher","DOI":"10.1097\/01.blo.0000155012.23703.54","author":"G Hartofilakidis","year":"2005","unstructured":"Hartofilakidis G, Karachalios T, Karachalios G (2005) The 20-year outcome of the charnley arthroplasty in younger and older patients. Clin Orthop Relat Res. https:\/\/doi.org\/10.1097\/01.blo.0000155012.23703.54","journal-title":"Clin Orthop Relat Res"},{"key":"6965_CR10","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-026-06759-6","author":"K Oono","year":"2026","unstructured":"Oono K, Osawa Y, Funahashi H, Ido H, Takegami Y, Imagama S (2026) Bilateral curved intertrochanteric varus osteotomy for osteonecrosis of the femoral head: a retrospective comparative study. Int Orthop. https:\/\/doi.org\/10.1007\/s00264-026-06759-6","journal-title":"Int Orthop"},{"key":"6965_CR11","doi-asserted-by":"publisher","first-page":"359","DOI":"10.1302\/0301-620X.86B3.14383","volume":"86","author":"S Sakano","year":"2004","unstructured":"Sakano S, Hasegawa Y, Torii Y, Kawasaki M, Ishiguro N (2004) Curved intertrochanteric varus osteotomy for osteonecrosis of the femoral head. J Bone Joint Surg Br 86:359\u2013365","journal-title":"J Bone Joint Surg Br"},{"key":"6965_CR12","doi-asserted-by":"publisher","first-page":"1647","DOI":"10.1007\/s00402-016-2563-0","volume":"136","author":"T Okura","year":"2016","unstructured":"Okura T, Hasegawa Y, Morita D, Osawa Y, Ishiguro N (2016) What factors predict the failure of curved intertrochanteric varus osteotomy for the osteonecrosis of the femoral head? Arch Orthop Trauma Surg 136:1647\u20131655","journal-title":"Arch Orthop Trauma Surg"},{"key":"6965_CR13","doi-asserted-by":"publisher","first-page":"381","DOI":"10.5035\/nishiseisai.20.381","volume":"20","author":"A Nishio","year":"1971","unstructured":"Nishio A, Sugioka Y (1971) A new technique of the varus osteotomy at the upper end of the femur. Orthop Traumatol 20:381\u2013386","journal-title":"Orthop Traumatol"},{"key":"6965_CR14","doi-asserted-by":"publisher","first-page":"781","DOI":"10.1302\/0301-620X.92B6.23621","volume":"92","author":"G Zhao","year":"2010","unstructured":"Zhao G, Yamamoto T, Ikemura S, Motomura G, Mawatari T, Nakashima Y et al (2010) Radiological outcome analysis of transtrochanteric curved varus osteotomy for osteonecrosis of the femoral head at a mean follow-up of 12.4 years. J Bone Joint Surg Br 92:781\u2013786","journal-title":"J Bone Joint Surg Br"},{"key":"6965_CR15","doi-asserted-by":"publisher","first-page":"512","DOI":"10.1302\/0301-620X.82B4.0820512","volume":"82-B","author":"K Miyanishi","year":"2000","unstructured":"Miyanishi K, Noguchi Y, Yamamoto T, Irisa T, Suenaga E, Jingushi S et al (2000) Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head. J Bone Joint Surg Br 82-B:512\u2013516","journal-title":"J Bone Joint Surg Br"},{"key":"6965_CR16","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0208818","volume":"13","author":"T Asano","year":"2018","unstructured":"Asano T, Takahashi D, Shimizu T, Irie T, Arai R, Terkawi MA et al (2018) A mathematical model for predicting postoperative leg shortening after curved intertrochanteric varus osteotomy for osteonecrosis of the femoral head. PLoS ONE 13:e0208818","journal-title":"PLoS ONE"},{"key":"6965_CR17","doi-asserted-by":"publisher","first-page":"3230","DOI":"10.1111\/os.70172","volume":"17","author":"H Ido","year":"2025","unstructured":"Ido H, Osawa Y, Takegami Y, Funahashi H, Ozawa Y, Asamoto T et al (2025) Radiographic predictors of leg shortening after curved intertrochanteric varus osteotomy in osteonecrosis of the femoral head. Orthop Surg 17:3230\u20133240","journal-title":"Orthop Surg"},{"key":"6965_CR18","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0221695","volume":"14","author":"M Betsch","year":"2019","unstructured":"Betsch M, Michalik R, Graber M, Wild M, Krauspe R, Zilkens C (2019) Influence of leg length inequalities on pelvis and spine in patients with total hip arthroplasty. PLoS ONE 14:e0221695","journal-title":"PLoS ONE"},{"key":"6965_CR19","doi-asserted-by":"publisher","first-page":"905","DOI":"10.1007\/s00264-008-0563-6","volume":"33","author":"V Wylde","year":"2009","unstructured":"Wylde V, Whitehouse SL, Taylor AH, Pattison GT, Bannister GC, Blom AW (2009) Prevalence and functional impact of patient-perceived leg length discrepancy after hip replacement. Int Orthop 33:905\u2013909","journal-title":"Int Orthop"},{"key":"6965_CR20","doi-asserted-by":"publisher","first-page":"725","DOI":"10.1302\/0301-620X.89B6.18499","volume":"89","author":"S Ikemura","year":"2007","unstructured":"Ikemura S, Yamamoto T, Jingushi S, Nakashima Y, Mawatari T, Iwamoto Y (2007) Leg-length discrepancy after transtrochanteric curved varus osteotomy for osteonecrosis of the femoral head. J Bone Joint Surg Br 89:725\u2013729","journal-title":"J Bone Joint Surg Br"},{"key":"6965_CR21","doi-asserted-by":"publisher","first-page":"3054","DOI":"10.1007\/s11999-012-2378-4","volume":"470","author":"N Sugano","year":"2012","unstructured":"Sugano N, Takao M, Sakai T, Nishii T, Miki H (2012) Does CT-based navigation improve the long-term survival in ceramic-on-ceramic THA? Clin Orthop Relat Res 470:3054\u20133059","journal-title":"Clin Orthop Relat Res"},{"key":"6965_CR22","doi-asserted-by":"publisher","first-page":"99","DOI":"10.4055\/cios.2016.8.1.99","volume":"8","author":"Y Inaba","year":"2016","unstructured":"Inaba Y, Kobayashi N, Ike H, Kubota S, Saito T (2016) Computer-assisted rotational acetabular osteotomy for patients with acetabular dysplasia. Clin Orthop Surg 8:99\u2013105","journal-title":"Clin Orthop Surg"},{"key":"6965_CR23","doi-asserted-by":"publisher","first-page":"383","DOI":"10.1007\/s00402-025-05990-x","volume":"145","author":"Y Osawa","year":"2025","unstructured":"Osawa Y, Takegami Y, Funahashi H, Ido H, Asamoto T, Imagama S (2025) Conventional versus computer-tomography based navigation assisted eccentric rotational acetabular osteotomy in less experienced surgeons. Arch Orthop Trauma Surg 145:383","journal-title":"Arch Orthop Trauma Surg"},{"key":"6965_CR24","doi-asserted-by":"publisher","first-page":"454","DOI":"10.1186\/s13018-024-04951-1","volume":"19","author":"M Watanabe","year":"2024","unstructured":"Watanabe M, Ishikawa T, Kagaya S, Kuzushima D, Kachi I, Tanabe S et al (2024) Spherical varus rotational osteotomy of the femur using a navigation system as extra-articular surgery for extensive osteonecrosis of femoral head: a case control study. J Orthop Surg Res 19:454","journal-title":"J Orthop Surg Res"},{"key":"6965_CR25","doi-asserted-by":"publisher","first-page":"S104","DOI":"10.1016\/j.arth.2025.05.120","volume":"40","author":"R Higuchi","year":"2025","unstructured":"Higuchi R, Takashima K, Uemura K, Okada S, Sugano N, Hamada H (2025) Does computed tomography-based navigation contribute to achieving the target of intact ratio in surgery for osteonecrosis of the femoral head? A mean 9-year retrospective study. J Arthroplasty 40:S104\u2013S111","journal-title":"J Arthroplasty"},{"key":"6965_CR26","doi-asserted-by":"publisher","first-page":"46","DOI":"10.1016\/j.jos.2020.06.013","volume":"26","author":"W Ando","year":"2021","unstructured":"Ando W, Sakai T, Fukushima W, Kaneuji A, Ueshima K, Yamasaki T et al (2021) Japanese Orthopaedic Association 2019 guidelines for osteonecrosis of the femoral head. J Orthop Sci 26:46\u201368","journal-title":"J Orthop Sci"},{"key":"6965_CR27","doi-asserted-by":"publisher","first-page":"1449","DOI":"10.1007\/s00264-018-3836-8","volume":"42","author":"Y Kubo","year":"2018","unstructured":"Kubo Y, Motomura G, Ikemura S, Sonoda K, Hatanaka H, Utsunomiya T et al (2018) The effect of the anterior boundary of necrotic lesion on the occurrence of collapse in osteonecrosis of the femoral head. Int Orthop 42:1449\u20131455","journal-title":"Int Orthop"},{"key":"6965_CR28","first-page":"111","volume":"277","author":"Y Sugioka","year":"1992","unstructured":"Sugioka Y, Hotokebuchi T, Tsutsui H (1992) Transtrochanteric anterior rotational osteotomy for idiopathic and steroid-induced necrosis of the femoral head: Indications and long-term results. Clin Orthop Relat Res (1976\u20132007) 277:111","journal-title":"Clin Orthop Relat Res (1976\u20132007)"},{"key":"6965_CR29","doi-asserted-by":"publisher","first-page":"2087","DOI":"10.1007\/s11548-017-1577-6","volume":"12","author":"M Takao","year":"2017","unstructured":"Takao M, Sakai T, Hamada H, Sugano N (2017) Error range in proximal femoral osteotomy using computer tomography-based navigation. Int J Comput Assist Radiol Surg 12:2087\u20132096","journal-title":"Int J Comput Assist Radiol Surg"},{"key":"6965_CR30","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-026-06898-w","author":"Y Osawa","year":"2026","unstructured":"Osawa Y, Funahashi H, Ido H, Asamoto T, Takegami Y, Imagama S (2026) Navigation-assisted transtrochanteric rotational osteotomy for osteonecrosis of the femoral head. Int Orthop. https:\/\/doi.org\/10.1007\/s00264-026-06898-w","journal-title":"Int Orthop"},{"key":"6965_CR31","doi-asserted-by":"publisher","first-page":"336","DOI":"10.1007\/s12178-013-9180-0","volume":"6","author":"AS Desai","year":"2013","unstructured":"Desai AS, Dramis A, Board TN (2013) Leg length discrepancy after total hip arthroplasty: a review of literature. Curr Rev Musculoskelet Med 6:336\u2013341","journal-title":"Curr Rev Musculoskelet Med"},{"key":"6965_CR32","doi-asserted-by":"publisher","first-page":"437","DOI":"10.1007\/s00264-019-04411-0","volume":"44","author":"K Fujita","year":"2020","unstructured":"Fujita K, Kabata T, Kajino Y, Tsuchiya H (2020) Optimizing leg length correction in total hip arthroplasty. Int Orthop 44:437\u2013443","journal-title":"Int Orthop"},{"key":"6965_CR33","doi-asserted-by":"publisher","first-page":"115","DOI":"10.1016\/j.gaitpost.2017.05.028","volume":"57","author":"S Khamis","year":"2017","unstructured":"Khamis S, Carmeli E (2017) Relationship and significance of gait deviations associated with limb length discrepancy: a systematic review. Gait Posture 57:115\u2013123","journal-title":"Gait Posture"},{"key":"6965_CR34","doi-asserted-by":"publisher","first-page":"107","DOI":"10.1016\/j.jos.2015.10.023","volume":"21","author":"Y Inaba","year":"2016","unstructured":"Inaba Y, Kobayashi N, Ike H, Kubota S, Saito T (2016) The current status and future prospects of computer-assisted hip surgery. J Orthop Sci 21:107\u2013115","journal-title":"J Orthop Sci"}],"container-title":["International Orthopaedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00264-026-06965-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00264-026-06965-2","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00264-026-06965-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T07:00:19Z","timestamp":1789023619000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00264-026-06965-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7,21]]},"references-count":34,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2026,9]]}},"alternative-id":["6965"],"URL":"https:\/\/doi.org\/10.1007\/s00264-026-06965-2","relation":{},"ISSN":["0341-2695","1432-5195"],"issn-type":[{"value":"0341-2695","type":"print"},{"value":"1432-5195","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7,21]]},"assertion":[{"value":"22 June 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 July 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 July 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no competing interests.","order":1,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}]}}