期刊
BMC MUSCULOSKELETAL DISORDERS
卷 20, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12891-019-2622-0
关键词
Acetabulum; Fracture; Both-column; Mapping; Computed tomography
BackgroundThe primary goal of this study was to create a frequency map of a series of surgically treated both-column fractures and to explore its implications on surgical management.MethodsWe used a consecutive series of 71 both-column fractures to create 3-dimensional reconstruction images, which were superimposed and oriented to fit a model hemipelvis template by aligning specific pelvis landmarks. Fracture lines were identified and traced to create a fracture map of both-column fractures. Then the possible clinical implications of fracture line map were explored.ResultsFracture location is closely related to the distribution of fracture line. Of 71 fractures that met the criteria for inclusion, we found the most common pattern demonstrated by coexisting fracture lines. The anterior column was involved by 66% of the fractures extending obliquely from the anterior superior spine to the ischial spine, while 62% of the fractures involved the anterior column extending approximately vertically from the iliac crest to the acetabular roof. Additionally, 39% of the fractures involved the posterior column traversing posterior wall. Furthermore, the high fracture line intensity (n=65, 92%) formed a Y-shaped pattern, which highlighted the consistency of the patterns.ConclusionsSurgically treated both-column fractures display very common patterns. The most common pattern is the low anterior column fracture in nearly two thirds of cases, the high anterior column fracture in three fifths of cases and the posterior column fracture with posterior wall involvement in nearly two fifths of cases. These study results may help surgeons to yield insight relevant to surgical approaches, reduction, fixation strategies and even implant design for both-column fractures.
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