{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T13:06:27Z","timestamp":1793019987081,"version":"4.5.0"},"reference-count":25,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"6","license":[{"start":{"date-parts":[[2010,6,1]],"date-time":"2010-06-01T00:00:00Z","timestamp":1275350400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Bone and Joint Surgery. British volume"],"published-print":{"date-parts":[[2010,6]]},"abstract":"<jats:p> We investigated the factors related to the radiological outcome of a transtrochanteric curved varus osteotomy in patients with osteonecrosis of the hip. We reviewed 73 hips in 62 patients with a mean follow-up of 12.4 years (5 to 31.1). There were 28 men and 34 women, with a mean age of 33.3 years (15 to 68) at the time of surgery. The 73 hips were divided into two groups according to their radiological findings: group 1 showed progression of collapse and\/or joint-space narrowing; group 2 had neither progressive collapse nor joint-space narrowing. Both of these factors and the radiological outcomes were analysed by a stepwise discriminant analysis. A total of 12 hips were categorised as group 1 and 61 as group 2. Both the post-operative intact ratio and the localisation of the necrotic lesion correlated with the radiological outcome. The cut-off point of the postoperative intact ratio to prevent the progression of collapse was 33.6%, and the cut-off point to prevent both the progression of collapse and joint-space narrowing was 41.9%. <\/jats:p><jats:p> The results of this study indicate that a post-operative intact ratio of 33.0% is necessary if a satisfactory outcome is to be achieved after this varus osteotomy. <\/jats:p>","DOI":"10.1302\/0301-620x.92b6.23621","type":"journal-article","created":{"date-parts":[[2010,5,31]],"date-time":"2010-05-31T23:23:17Z","timestamp":1275348197000},"page":"781-786","source":"Crossref","is-referenced-by-count":69,"title":["Radiological outcome analysis of transtrochanteric curved varus osteotomy for osteonecrosis of the femoral head at a mean follow-up of 12.4 years"],"prefix":"10.1302","volume":"92-B","author":[{"given":"G.","family":"Zhao","sequence":"first","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Ikemura","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Motomura","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Mawatari","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y.","family":"Nakashima","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y.","family":"Iwamoto","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic, Surgery, Graduate School of, Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"42","reference":[{"key":"R1","doi-asserted-by":"publisher","DOI":"10.1053\/sarh.2002.3202094"},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.73B1.1991778"},{"key":"R3","doi-asserted-by":"publisher","DOI":"10.5035\/nishiseisai.20.381"},{"key":"R4","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.47B4.612"},{"key":"R5","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.56B2.291"},{"key":"R6","doi-asserted-by":"crossref","unstructured":"Bombelli R. 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