The Unique Bipolar Clavicle Dislocation: A Novel Reconstruction Technique and Case Report

Abstract

A bipolar clavicle separation is defined as a simultaneous dislocation of the ipsilateral sternoclavicular joint (SCJ) and acromioclavicular joint (ACJ). This rare injury pattern is usually the result of a high-energy mechanism, such as a motor vehicle collision or fall from height. While there are several treatment options such as screw fixation, sutures, or plate fixations, there is no single standard approach for this infrequent injury. We describe a unique case of bipolar clavicle dislocation, specifically an anteriorly displaced SCJ and posteriorly displaced ACJ, treated with a novel surgical technique-a TightRope technique (Arthex®) and semitendinosus allograft.

Figure 1

(a, b) Plain radiographs demonstrating anterior dislocation of the sternoclavicular joint as well as a posterior acromioclavicular dislocation.

Figure 2

Axial CT scan demonstrating anteriorly displaced fracture dislocation of the SC joint.

Figure 3

(a, b) 3D reconstructions demonstrating anterior fracture dislocation of the SC joint.

Figure 4

(a, b) Plain radiographs demonstrating well-aligned acromioclavicular and sternoclavicular joints without hardware complication.