Tips and pitfalls of reduction and fixation in displaced supracondylar fractures in children

2021 
Supracondylar humeral fractures are the most common injury of the elbow in children. Compared to flexion type fractures, extension type fractures are more common, up to 98%. Gartland classification has been used to guide the management of this injury, which is based on the extent of the displacement. If not adequately managed, completely displaced (type III) fractures may have a higher incidence of concomitant injury or complications, including neurovascular injury, compartment syndrome, or cubitus varus. Closed reduction followed by percutaneous pinning has been suggested as the standard operative method for the displaced supracondylar humeral fractures. However, these fractures can be challenging to reduce, with the traditional technique of closed reduction. Lateral-entry pinning is known as a sufficient method of fixation for this injury. However, the lateral pin only fixation technique may also result in loss of reduction in some particular patterns of fractures, such as fractures with medial column comminution. We discuss and describe the reduction techniques of completely displaced supracondylar humeral fractures, including technical tips and pitfalls for closed reduction and open reduction. We also discuss indications of medial pinning, and its safe method, when the lateral-entry pins may not achieve adequate stability.
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