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2015 ; 16
(ä): 329
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Biodegradable magnesium screws and vascularized iliac grafting for displaced
femoral neck fracture in young adults
#MMPMID26527162
Yu X
; Zhao D
; Huang S
; Wang B
; Zhang X
; Wang W
; Wei X
BMC Musculoskelet Disord
2015[Nov]; 16
(ä): 329
PMID26527162
show ga
OBJECTIVE: Avascular necrosis of femoral head and nonunion is a major
complication after the treatment of displaced femoral neck fracture in young
adults. The purpose of this study was to introduce a new technique using
biodegradable magnesium screws and vascularised iliac grafting for displaced
femoral neck fracture in young adults. METHODS: Totally 19 patients with
displaced femoral neck fracture treated with this technique were retrospectively
reviewed. The major steps of this technique included the harvesting of
vascularized iliac graft, fixing of the fracture and biodegradable magnesium
screws combined with vascularized iliac grafting implantation. RESULTS: All
patients were followed for an average of 16 months (range: 8-24 months). Clinical
and radiological outcomes were evaluated. In 18 cases (94.7 %), the hip union was
achieved at an average duration of 4.1 months (range: 3.6-5 months). The nonunion
was observed in 1 hip (5.3 %) and the revision to a hip replacement was conducted
after twelve months of the operation. According to the Harris hip score (HHS)
that was available for 17 hips with satisfactory union, excellent results were
achieved in 14 cases (HHS???90), fair results in 3 cases (HHS: 80-90), and poor
result in 1 hip (HHS?80). No patient developed avascular necrosis of femoral
head after operation. CONCLUSION: Biodegradable magnesium screws and vascularized
iliac grafting based on the ascending branch of lateral femoral circumflex artery
for displaced femoral neck fracture in young adults can provide the satisfactory
results with a low rate of complications including avascular necrosis and
nonunion. TRIAL REGISTRATION: This prospective and randomized controlled study
was registered in the Chinese Clinical Trial Registry ( ChiCTR-TRC-13003238).
Date of registration: 2013-3-21.