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Subcapital Correction Osteotomy for Malunited Slipped Capital Femoral Epiphysis

Anderson, Lucas A ; Gililland, Jeremy M ; Pelt, Christoper E ; Peters, Christopher L

Journal of pediatric orthopaedics, 2013-06, Vol.33 (4), p.345-352 [Periódico revisado por pares]

United States: Lippincott Williams & Wilkins, Inc

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  • Título:
    Subcapital Correction Osteotomy for Malunited Slipped Capital Femoral Epiphysis
  • Autor: Anderson, Lucas A ; Gililland, Jeremy M ; Pelt, Christoper E ; Peters, Christopher L
  • Assuntos: Adolescent ; Child ; Female ; Femoracetabular Impingement - etiology ; Femoracetabular Impingement - surgery ; Follow-Up Studies ; Fractures, Malunited - surgery ; Humans ; Male ; Osteotomy - methods ; Retrospective Studies ; Slipped Capital Femoral Epiphyses - complications ; Slipped Capital Femoral Epiphyses - pathology ; Slipped Capital Femoral Epiphyses - surgery ; Treatment Outcome ; Young Adult
  • É parte de: Journal of pediatric orthopaedics, 2013-06, Vol.33 (4), p.345-352
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: BACKGROUND:Slipped capital femoral epiphysis (SCFE), causing posterior and inferior displacement and retroversion of the femoral head, is a well-recognized etiology for femoroacetabular impingement and can lead to premature arthritis in the young adult. The treatment of malunited SCFE remains controversial. Surgical dislocation and subcapital correction osteotomy (SCO) has been described as a powerful method to correct the proximal femoral deformity. METHODS:Between January 2003 and January 2010, 11 patients (12 hips) with closed femoral physes and symptomatic femoroacetabular impingement from malunited SCFE were treated with surgical dislocation and SCO. We performed a retrospective review of patient histories, physical examinations, operative findings, and preoperative and postoperative anteroposterior (AP) and groin-lateral (GLat) radiographs. Mean follow-up was 61 months. RESULTS:There were 4 female and 7 male patients with an average age of 15 years at the time of SCO. On the AP radiograph, the mean inferior femoral head displacement (AP epiphyseal-neck angle) was significantly improved (−26 to −6 degrees, P<0.001). On the GLat radiograph, the mean posterior femoral head displacement (lateral epiphyseal-neck angle) was significantly improved (−45 to −3 degrees, P<0.001). The mean α-angle was also significantly improved on both views (AP85 to 56 degrees, P<0.001; GLat85 to 46 degrees, P<0.001). Operative findings included 1 femoral osteochondral defect, 8 Outerbridge grade 3 to 4 acetabular cartilage lesions, and 10 labral lesions. Significant improvement of the mean Harris Hip Score was seen at latest follow-up (54 to 77, P=0.016). Complications occurred in 4 of the 12 cases with avascular necrosis in 2 patients, a worse postoperative Harris Hip Score in 1 patient, and failure of fixation treated successfully with revision open reduction internal fixation in 1 patient. CONCLUSIONS:SCO as an adjunct to surgical dislocation and osteochondroplasty can be used to correct the deformity of the proximal femur associated with malunited SCFE. Normalization of proximal femoral anatomy may postpone progression to severe osteoarthritis and thus delay the need for arthroplasty in this young patient population. However, surgeons and patients should be aware that the risks of this procedure in this population are significant. LEVEL OF EVIDENCE:Level IV—therapeutic study.
  • Editor: United States: Lippincott Williams & Wilkins, Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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