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. 2020 Nov 23:4:2471549220960052.
doi: 10.1177/2471549220960052. eCollection 2020.

Distal Humerus Fractures Managed With Elbow Hemiarthroplasty

J D Stephens  1 , Brandon Kohrs  1 , Logan Bushnell  1 , Speros Gabriel  1 , H Brent Bamberger  1
Affiliations

Distal Humerus Fractures Managed With Elbow Hemiarthroplasty

J D Stephens et al. J Shoulder Elb Arthroplast. .

Abstract

Background: Distal humerus fractures not amenable to open reduction internal fixation (ORIF) present a unique dilemma, especially for patients that weight bear through assistive devices. The one accepted operative treatment for irreparable distal humerus fractures is total elbow arthroplasty (TEA). However, TEA commonly requires lifetime weight lifting restrictions and has limited long term results. Elbow hemiarthroplasty (EHA) represents an alternative treatment modality. This study reviews patients treated with EHA permitted to weight bear postoperatively.

Methods: Twelve patients underwent EHA for comminuted distal humerus fractures deemed non-reconstructable by ORIF. Patient survey data was collected retrospectively. All patients were allowed to weight bear as tolerated through the operative extremity. Outcome measures included Patient rated elbow evaluation (PREE), Mayo elbow performance score (MEPS), and whether revision surgery was required.

Results: The average MEPS score was 76.1 indicating fair outcomes and the average PREE score was 41. One patient required revision. Average follow up was 44.1 months. Three patients required an assistive device prior to injury.

Discussion: EHA serves as a viable option for non-reconstructable distal humerus fractures. EHA does not require a weight lifting restriction, which is a benefit over TEA. Overall, patients reported preserved functional capabilities but did report moderate pain. EHA demonstrated durability, although one patient required revision.

Conclusion: With growing interest in use of EHA, further studies are required to evaluate EHA as a superior treatment for patients with nonreconstructable traumatic distal humerus fractures; however, this study does support use in elderly patients with intermediate follow up.

Keywords: Hemiarthroplasty; distal humerus fracture; elbow; immediate weight bearing; non-reconstructable.

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Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
A, Preoperative coronal CT image demonstrating a comminuted distal humerus fracture. B, Two-week postoperative lateral radiograph of EHA and olecranon osteotomy. C, Three year follow up lateral radiograph.
Figure 2.
Figure 2.
A, Preoperative AP radiograph of a traumatic comminuted distal humerus fracture. (B, C) AP and lateral radiographs taken two weeks post op from EHA. (D, E) Lateral and AP radiographs taken 36 months postoperatively demonstrating hardware failure.
See this image and copyright information in PMC

References

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