Importance of screw position in intertrochanteric femoral fractures treated by dynamic hip screw

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dc.authorid0000-0002-6419-9341
dc.contributor.authorGüven, Melih
dc.contributor.authorYavuz, Umut
dc.contributor.authorKadıoğlu, Barış
dc.contributor.authorAkman, Budak
dc.contributor.authorKılınçoğlu, Volkan
dc.date.accessioned2021-06-23T19:27:13Z
dc.date.available2021-06-23T19:27:13Z
dc.date.issued2010
dc.departmentBAİBÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.description.abstractBackground: Tip-apex distance greater than 25 mm is accepted as a strong predictor of screw cut-out in patients with intertrochanteric femoral fracture treated by dynamic hip screw. The aim of this retrospective study was to evaluate the position of the screw in the femoral head and its effect on cut-out failure especially in patients with inconvenient tip-apex distance. Patients and methods: Sixty-five patients (42 males, 23 females; mean age of 57.6 years) operated by dynamic hip screw for intertrochanteric femoral fractures were divided in two groups taking into consideration the tip-apex distance less (Group A; 14 patients) or more (Group B; 51 patients) than 25 mm. Patient's age and gender, follow-up period, fracture type, degree of osteoporosis, reduction quality of the fracture, position of the screw in the femoral head, number of patients with cut-out failure and Harris hip score were compared. Results: The average follow-up time was 41.7 months. The mean tip-apex distance was 17.14 mm in Group A and 36.67 mm in Group B. One (7.1%) patient in Group A and three (5.8%) patients in Group B had screw cut-out. Except the screw position, no statistical differences were observed between two groups with regards to study data's. The screw was placed in femoral head more inferiorly (p = 0.045) on frontal and more posteriorly (p = 0.013) on sagital planes in Group B, while central placement of the screw was present in Group A. The common characteristic of three patients with screw cut-out in Group B was the position of the screw which was located in femoral head more superiorly and anteriorly after an acceptable fracture reduction. Conclusions: Peripheral placement of the screw in femoral head increases tip-apex distance. However, posterior and inferior locations may help to support posteromedial cortex and calcar femoral in unstable intertrochanteric fractures and reduce the risk of cut-out failure. Level of evidence: Level IV, retrospective series. (C) 2009 Elsevier Masson SAS. All rights reserved.en_US
dc.identifier.doi10.1016/j.otsr.2009.10.008
dc.identifier.endpage27en_US
dc.identifier.issn1877-0568
dc.identifier.issue1en_US
dc.identifier.pmid20170854en_US
dc.identifier.scopus2-s2.0-76049092475en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage21en_US
dc.identifier.urihttps://doi.org/10.1016/j.otsr.2009.10.008
dc.identifier.urihttps://hdl.handle.net/20.500.12491/6765
dc.identifier.volume96en_US
dc.identifier.wosWOS:000274542500004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorGüven, Melih
dc.language.isoenen_US
dc.publisherElsevier Masson, Corporation Officeen_US
dc.relation.ispartofOrthopaedics & Traumatology-Surgery & Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectIntertrochanteric fractureen_US
dc.subjectDynamic hip screwen_US
dc.subjectScrew positionen_US
dc.subjectTip-apex distanceen_US
dc.titleImportance of screw position in intertrochanteric femoral fractures treated by dynamic hip screwen_US
dc.typeArticleen_US

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