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Case Reports
. 2021 Mar 2;13(3):e13655.
doi: 10.7759/cureus.13655.

An Unusual Case of Anterior Elbow Dislocation Without Bony Injury

Eoin Fahey  1 , Mohammad Gaafar  1 , Catherine Bossut  1
Affiliations
Case Reports

An Unusual Case of Anterior Elbow Dislocation Without Bony Injury

Eoin Fahey et al. Cureus. .

Abstract

While elbow dislocation is a common occurrence, the vast majority of them dislocate posteriorly and are due to disruption of the elbow stabilizers, which start on the lateral side and proceed medially, disrupting the anterior and posterior stabilizing structures. We present an unusual case of anterior elbow dislocation, with disruption of the medial stabilizing structures and anterior capsule, without any bony injury. A 44-year-old man presented to the ED after being assaulted. While the exact mechanism of injury was unclear, the patient believes he had been struck with a heavy object on the posterior aspect of his elbow. His dislocation was reduced in the ED, but was highly unstable after reduction. Further imaging revealed disruption of his medial collateral ligaments and common flexor origin. He went on to have an open repair of his medial structures with suture anchors. After six weeks of follow-up he was doing well, with no further episodes of instability and a good functional range of movement. Though rare, anterior elbow dislocations have been reported sporadically in the literature. Surgeons and ED doctors dealing with these injuries should be aware that the maneuvers to relocate the elbow will be different compared to the standard maneuvers used for posterior dislocations. Patients should be examined for stability after reduction, especially on valgus stressing. We would advocate for low threshold for performing an examination under anesthesia (EUA), with open repair of the stabilizing structures if persistently unstable after reduction.

Keywords: anterior elbow dislocation; instability; open reduction.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Images taken in ED on presentation.
Figure 2
Figure 2. 3D reconstruction of the elbow from the CT scan.
3D, three-dimensional
Figure 3
Figure 3. Bruising and edema observed around the ulnar nerve.
Figure 4
Figure 4. AP and lateral radiographs of elbow postoperatively demonstrating the position of suture anchors.
AP, anteroposterior
Figure 5
Figure 5. Photographs sent in by the patient, demonstrating his range of movement.
See this image and copyright information in PMC

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