Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?

(1) Background: Previous studies have proven a high incidence of a femoro-acetabular impingement (FAI) type cam in patients sustaining a slipped capital femoral epiphysis (SCFE). Thus, the current study analyzed, if a cam deformity is predictable after SCFE treatment; (2) Methods: 113 cases of SCFE...

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Autores principales:	Nils Wirries, Gesche Heinrich, Alexander Derksen, Stefan Budde, Thilo Floerkemeier, Henning Windhagen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	slipped capital femoral epiphysis femoro-acetabular impingement prognostic factor correlation Pediatrics RJ1-570
Acceso en línea:	https://doaj.org/article/a67f0dbde84045758d11c156a4bb4627
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spelling	oai:doaj.org-article:a67f0dbde84045758d11c156a4bb46272021-11-25T17:14:19ZIs a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?10.3390/children81109922227-9067https://doaj.org/article/a67f0dbde84045758d11c156a4bb46272021-11-01T00:00:00Zhttps://www.mdpi.com/2227-9067/8/11/992https://doaj.org/toc/2227-9067(1) Background: Previous studies have proven a high incidence of a femoro-acetabular impingement (FAI) type cam in patients sustaining a slipped capital femoral epiphysis (SCFE). Thus, the current study analyzed, if a cam deformity is predictable after SCFE treatment; (2) Methods: 113 cases of SCFE were treated between 1 January 2005 and 31 December 2017. The radiological assessment included the slip angle after surgery (referenced to the femoral neck (epiphyseal tilt) and shaft axis as Southwick angle) and the last available lateral center edge angle (LCEA), the acetabular- and alpha angle. A correlation was performed between these parameters and the last alpha angle to predict a FAI type cam; (3) Results: After a mean follow-up of 4.3 years (±1.9; 2.0–11.2), 48.5% of the patients showed a FAI type cam and 43.2% a dysplasia on the affected side. The correlation between the epiphyseal tilt and alpha angle was statically significant (<i>p</i> = 0.017) with a medium effect size of 0.28; (4) Conclusions: The postoperative posterior epiphyseal tilt was predictive factor to determine the alpha angle. However, the cut-off value of the slip angle was 16.8° for a later occurrence of a FAI type cam indicating a small range of acceptable deviations from the anatomical position for SCFE reconstruction.Nils WirriesGesche HeinrichAlexander DerksenStefan BuddeThilo FloerkemeierHenning WindhagenMDPI AGarticleslipped capital femoral epiphysisfemoro-acetabular impingementprognostic factorcorrelationPediatricsRJ1-570ENChildren, Vol 8, Iss 992, p 992 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	slipped capital femoral epiphysis femoro-acetabular impingement prognostic factor correlation Pediatrics RJ1-570
spellingShingle	slipped capital femoral epiphysis femoro-acetabular impingement prognostic factor correlation Pediatrics RJ1-570 Nils Wirries Gesche Heinrich Alexander Derksen Stefan Budde Thilo Floerkemeier Henning Windhagen Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
description	(1) Background: Previous studies have proven a high incidence of a femoro-acetabular impingement (FAI) type cam in patients sustaining a slipped capital femoral epiphysis (SCFE). Thus, the current study analyzed, if a cam deformity is predictable after SCFE treatment; (2) Methods: 113 cases of SCFE were treated between 1 January 2005 and 31 December 2017. The radiological assessment included the slip angle after surgery (referenced to the femoral neck (epiphyseal tilt) and shaft axis as Southwick angle) and the last available lateral center edge angle (LCEA), the acetabular- and alpha angle. A correlation was performed between these parameters and the last alpha angle to predict a FAI type cam; (3) Results: After a mean follow-up of 4.3 years (±1.9; 2.0–11.2), 48.5% of the patients showed a FAI type cam and 43.2% a dysplasia on the affected side. The correlation between the epiphyseal tilt and alpha angle was statically significant (<i>p</i> = 0.017) with a medium effect size of 0.28; (4) Conclusions: The postoperative posterior epiphyseal tilt was predictive factor to determine the alpha angle. However, the cut-off value of the slip angle was 16.8° for a later occurrence of a FAI type cam indicating a small range of acceptable deviations from the anatomical position for SCFE reconstruction.
format	article
author	Nils Wirries Gesche Heinrich Alexander Derksen Stefan Budde Thilo Floerkemeier Henning Windhagen
author_facet	Nils Wirries Gesche Heinrich Alexander Derksen Stefan Budde Thilo Floerkemeier Henning Windhagen
author_sort	Nils Wirries
title	Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
title_short	Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
title_full	Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
title_fullStr	Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
title_full_unstemmed	Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?
title_sort	is a femoro-acetabular impingement type cam predictable after slipped capital femoral epiphysis?
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a67f0dbde84045758d11c156a4bb4627
work_keys_str_mv	AT nilswirries isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis AT gescheheinrich isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis AT alexanderderksen isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis AT stefanbudde isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis AT thilofloerkemeier isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis AT henningwindhagen isafemoroacetabularimpingementtypecampredictableafterslippedcapitalfemoralepiphysis
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Is a Femoro-Acetabular Impingement Type Cam Predictable after Slipped Capital Femoral Epiphysis?

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