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However, challenges are frequently encountered in fractures involving the superior dome due to its short of view. We aimed to evaluate the efficacy of digastric trochanteric flip osteotomy (DTFO) in the K-L approach for high posterior wall acetabular fracture (HPWF).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>From January 2014 to December 2016, 39 patients who suffered high posterior wall fracture (HPWF) were included in this retrospective study. All the patients were divided into two groups according to surgery type (17 standard K-L approach (control group), 22 with DTFO (DTFO group)). The Matta criterion was used to evaluate the accuracy of reduction according to post-operative CT image, while modified Harris hip score and 12-item short-form health survey (SF-12) were applied to measure the clinical outcomes.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The median follow-up period was 55 (45 to 62.5) months. Blood loss and operation time were similar between the two groups. DTFO group achieved much more anatomical reduction than the control group (54.6% vs. 35.3%; OR, 2.2; 95% CI, 0.6\u2009~\u20098.08). Significantly better functional outcomes were found in the DTFO group (10% higher points than the control group, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). All the patients receiving good-to-anatomical reduction ended with good or excellent outcomes. The total incidence of complications in the DTFO group was much lower than in the control group (40.9% vs. 70.6%, <jats:italic>p<\/jats:italic>\u2009=\u20090.07).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Compared with the traditional K-L approach, the intraoperative DTFO technique enabled better quality of reduction in patients with HPWF, thus ensuring superior clinical outcomes.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00264-022-05446-6","type":"journal-article","created":{"date-parts":[[2022,5,25]],"date-time":"2022-05-25T03:51:43Z","timestamp":1653450703000},"page":"1881-1889","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Midterm results of digastric trochanteric flip osteotomy for high acetabular posterior wall fracture"],"prefix":"10.1007","volume":"46","author":[{"given":"Yuneng","family":"Li","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4968-6520","authenticated-orcid":false,"given":"Yufeng","family":"Ge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haonan","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shiwen","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3136-1688","authenticated-orcid":false,"given":"Xinbao","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,5,25]]},"reference":[{"issue":"1","key":"5446_CR1","doi-asserted-by":"publisher","first-page":"54","DOI":"10.5435\/00124635-199901000-00006","volume":"7","author":"MR Baumgaertner","year":"1999","unstructured":"Baumgaertner MR (1999) Fractures of the posterior wall of the acetabulum. 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