Does the number of engaged screw threads affect the stability of slipped capital femoral epiphysis in the in situ fixation?

dc.contributor.authorGunay, Huseyin
dc.contributor.authorKucuk, Levent
dc.contributor.authorSozbIlen, Murat Celal
dc.contributor.authorBicer, Elcil Kaya
dc.contributor.authorCobanoglu, Mutlu
dc.date.accessioned2019-10-27T11:08:44Z
dc.date.available2019-10-27T11:08:44Z
dc.date.issued2017
dc.departmentEge Üniversitesien_US
dc.description.abstractObjective: The management of slipped capital femoral epiphysis (SCFE) frequently seen in obese adolescents is fixation with cannulated screw. In this study, it was aimed to evaluate the relationship between the stability of the physis and the number of screw threads passing across the physeal line in the treatment of slipped capital femoral epiphysis (SCFE) with single screw fixation. Methods: Thirty-three hips of 25 SCFE patients who had undergone in situ fixation with cannulated screw were included in the study. The mean age and follow up were 12.33 years (range, 7-16) and 42.24 +/- 16.65 months, respectively. The hips were grouped regarding to chronicity; acute, acute on chronic and chronic slips. The patients were also regrouped regarding the stability of the slip. Pre- and postoperatively both antero-posterior and frog leg pelvis radiographies were evaluated to measure Southwick slip angles and the number of screw threads. Results: Metabolic or endocrinologic pathologies were observed in 13 patients. During the follow up four hips were reoperated due to the insufficiency of the screw threads passing across the physeal line. The mean number of the screw threads was 1,85 (range, 0-3) for the revised hips and 3.87 (range, 2-5) for the rest. The mean slip angle was 37.88 degrees +/- 15.2 degrees preoperatively. Postoperatively, the angle was reduced to 29.00 degrees +/- 16.41 degrees (p=0.0001). Postoperative slip angles were significantly different between chronicity groups (p=0.019). In the acute slip group, mean slip angle was 21.00 degrees +/- 11.08 degrees whereas in the chronic group it was 42.22 degrees +/- 17.98 degrees (p=0.009). Conclusion: It was concluded that in the surgical treatment of SCFE with a single screw, the number of screw threads passing across the epiphyseal line should be at least four; otherwise fixation would not be stable enough.en_US
dc.identifier.doi10.5222/buchd.2017.039
dc.identifier.endpage44en_US
dc.identifier.issn2146-2372
dc.identifier.issn1309-9566
dc.identifier.issn2146-2372en_US
dc.identifier.issn1309-9566en_US
dc.identifier.issue1en_US
dc.identifier.startpage39en_US
dc.identifier.urihttps://doi.org/10.5222/buchd.2017.039
dc.identifier.urihttps://hdl.handle.net/11454/32207
dc.identifier.volume7en_US
dc.identifier.wosWOS:000418200000006en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherDr Behcet Uz Cocuk Hastaliklari Ve Cerrahisien_US
dc.relation.ispartofIzmir Dr Behcet Uz Cocuk Hastanesi Dergisien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSlipped capital femoral epiphysisen_US
dc.subjectadolescent obesityen_US
dc.subjectin-situ fixationen_US
dc.subjectscrew threadsen_US
dc.titleDoes the number of engaged screw threads affect the stability of slipped capital femoral epiphysis in the in situ fixation?en_US
dc.typeArticleen_US

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