{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T16:20:37Z","timestamp":1761582037739,"version":"3.37.3"},"reference-count":13,"publisher":"Georg Thieme Verlag KG","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Z Orthop Unfall"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Torsional deformity is a frequent complication following nail osteosynthesis of a subtrochanteric fracture. This complication is difficult to assess intraoperatively, but can cause major functional restrictions. The authors consider that a clinical assessment should be complemented by a postoperative radiological control standardised with torsion CT. Thus, torsion deformity can be recognised immediately and easily corrected if necessary. This can help to avoid long-term damage that requires considerable surgery. The video shows details of torsion correction after a ca. 5-week old subtrochanteric femoral fracture, which had been initially treated with a femur nail. Before torsion correction, the internal torsion on the right femur was 22\u00b0 and the external torsion on the left femur was 2\u00b0. Thus, the total deformation of the external torsion on the left side was 24\u00b0. We note the indication for removal of the nail, torsion correction and reosteosynthesis with long PFNA. The\n\t\t\t\t\tpostoperative CT control confirmed that the torsion correction was adequate with internal torsion of 25\u00b0 on the operated left side.<\/jats:p>","DOI":"10.1055\/a-1298-4997","type":"journal-article","created":{"date-parts":[[2020,12,18]],"date-time":"2020-12-18T01:57:19Z","timestamp":1608256639000},"page":"98-100","source":"Crossref","is-referenced-by-count":3,"title":["Correction of Torsional Deformity Following Nail Osteosynthesis of a Subtrochanteric Fracture"],"prefix":"10.1055","volume":"159","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7044-4182","authenticated-orcid":false,"given":"Marc-Daniel","family":"Ahrend","sequence":"additional","affiliation":[{"name":"Department of Trauma and Reconstructive Surgery, BG Hospital T\u00fcbingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Moritz","family":"Herbst","sequence":"additional","affiliation":[{"name":"Department of Trauma and Reconstructive Surgery, BG Hospital T\u00fcbingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christoph","family":"Ihle","sequence":"additional","affiliation":[{"name":"Department of Trauma and Reconstructive Surgery, BG Hospital T\u00fcbingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steffen","family":"Schr\u00f6ter","sequence":"additional","affiliation":[{"name":"Department of Trauma and Reconstructive Surgery, Diakonie Klinikum Jung-Stillig, Siegen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2020,12,17]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1007\/s00402-019-03139-1","article-title":"Standardization of torsional CT measurements of the lower limbs with threshold values for corrective osteotomy","volume":"139","author":"F Vanhove","year":"2019","journal-title":"Arch Orthop Trauma Surg"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1007\/s11751-016-0257-3","article-title":"Percutaneous rotational osteotomy of the femur utilizing an intramedullary rod","volume":"11","author":"P M Stevens","year":"2016","journal-title":"Strategies Trauma Limb Reconstr"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"1243","DOI":"10.1007\/s00590-013-1289-8","article-title":"Rotational malalignment after closed intramedullary nailing of femoral shaft fractures and its influence on daily life","volume":"24","author":"O Karaman","year":"2014","journal-title":"Eur J Orthop Surg Traumatol"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"131","DOI":"10.1007\/s10195-013-0260-0","article-title":"Bilateral double osteotomy in severe torsional malalignment syndrome: 16 years follow-up","volume":"15","author":"F Leonardi","year":"2014","journal-title":"J Orthop Traumatol"},{"key":"ref5","first-page":"151","article-title":"[Treatment strategy for posttraumatic complex deformity. After bilateral femoral shaft fractures]","volume":"119","author":"M Ahrend","year":"2016","journal-title":"Unfallchirurg"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1177\/1941738111399372","article-title":"Patellofemoral disorders: role of computed tomography and magnetic resonance imaging in defining abnormal rotational lower limb alignment","volume":"3","author":"S Parikh","year":"2011","journal-title":"Sports Health"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"855","DOI":"10.1007\/s00113-006-1093-6","article-title":"Bildwandlergest\u00fctzte Vermeidung einer Torsionsabweichung zur Gegenseite bei der Oberschenkelmarknagelung","volume":"109","author":"R E Hilgert","year":"2006","journal-title":"Unfallchirurg"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"498","DOI":"10.1055\/s-0034-1383011","article-title":"Postoperative Torsionsdifferenz nach unaufgebohrter antegrader Marknagelosteosynthese des Femurs: eine retrospektive 5-Jahres-Analyse","volume":"152","author":"S Y Vetter","year":"2014","journal-title":"Z Orthop Unfall"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"486","DOI":"10.1055\/s-0039-1678677","article-title":"Torsional Osteotomy","volume":"33","author":"S Schr\u00f6ter","year":"2020","journal-title":"J Knee Surg"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.gaitpost.2013.05.020","article-title":"Do physical examination and CT-scan measures of femoral neck anteversion and tibial torsion relate to each other?","volume":"39","author":"M Sangeux","year":"2014","journal-title":"Gait Posture"},{"key":"ref11","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1055\/s-0037-1603503","article-title":"Lower Limb Deformity Analysis and the Planning of an Osteotomy","volume":"30","author":"S Schroter","year":"2017","journal-title":"J Knee Surg"},{"key":"ref12","first-page":"245","article-title":"[Computed tomographic torsion-angle and length measurement of the lower extremity. 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