Abstract
Introduction
Bone and cartilage deficits in the posterior acetabular wall are severe complications resulting from the unsuccessful management or delayed treatment of acetabular fracture. This potentially disastrous condition cannot be treated reliably with the use of reconstruction plates and screws alone. Therefore, this technical report describes a modified anatomical reconstruction method that uses a structural iliac crest autograft and an acetabular tridimensional memory alloy fixation system (ATMFS) to treat late-stage deficits in the posterior wall of the acetabulum. This paper also describes a clinical study of 22 patients with an average of 6.3 years follow-up to evaluate the clinical outcomes of this method.
Methods
Twenty-two patients, who had an acetabular reconstruction between January 2000 and December 2011 that used a structured free iliac crest autograft to treat late-stage bone and cartilage deficits in the posterior acetabular wall were followed annually with clinical and radiographic evaluations. The average age of the patients was 36.4 years at the time of the procedure, and the average time of follow-up was 6.3 years.
Results
None of the patients in this study lost reduction after surgery, and there were no cases of implant failure. Radiographic analysis using Matta’s X-ray evaluation criteria were excellent in eleven cases, good in eight, and fair on three. The Merle D’Aubigné and Postel clinical outcomes at the final follow-up were as follows: seven cases were excellent, ten cases were good, three cases were fair and two cases were poor.
Conclusions
The use of a modified iliac crest grafting and ATMFS fixation, as a biological method to reconstruct the acetabulum anatomically may offer better congruence of the joint surface and may ensure good hip joint stability during early postoperative exercise. The medium to long-term results of this method are encouraging.
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Conflict of interest
The authors did not receive grants or outside funding in support of their research for or preparation of this manuscript.
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Zhang, Yt., Tang, Y., Zhao, X. et al. The use of a structural free iliac crest autograft for the treatment of acetabular fractures. Arch Orthop Trauma Surg 133, 773–780 (2013). https://doi.org/10.1007/s00402-013-1736-3
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DOI: https://doi.org/10.1007/s00402-013-1736-3