期刊
ARCHIVES OF ORTHOPAEDIC AND TRAUMA SURGERY
卷 130, 期 4, 页码 497-502出版社
SPRINGER
DOI: 10.1007/s00402-009-0943-4
关键词
Shepherd's crook deformity; Intramedullary nail; Valgus osteotomy; Massive impaction allograft; Double-level osteotomy
To investigate the effectiveness of valgus osteotomy combined with intramedullary nail in treatment of Shepherd's crook deformity of fibrous dysplasia. A retrospective study was performed in 13 patients (14 femora) of fibrous dysplasia who were treated in our hospital between August 2000 and February 2005. All patients had Shepherd's crook deformity. Six patients had monostotic disease, and seven had polyostotic disease. There were seven males and six females. The four-step procedure was performed orderly as valgus osteotomy, curettage lesion, massive impaction allograft, and insert intramedullary nail with neck cross pinning. All patients were followed up from 4 to 7 years with an average duration of 75.3 months. The average neck-shaft angle was corrected from preoperative 75A degrees (range 55A degrees-100A degrees) to postoperative 120A degrees (range 95A degrees-130A degrees). The average extremity lengthening was 3.4 cm (range 2.0-4.5 cm). 19 location of osteotomy showed good union. There were no infection and recurrent fracture and progression of deformity. The valgus osteotomy can correct Shepherd's crook deformity, prevent recurrent fracture, and restore alignment, thus improve functioning of limb. The intramedullary nail with neck cross pinning should be the first consideration of internal fixation. Massive impaction allograft is the key technique to improve full incorporation of allograft and to prevent pathological fracture.
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