Early and Emergency Department Management of Infraclavicular Brachial Plexus Injuries Secondary to Shoulder Trauma.

Authors

Praveen Baskaran, Abigail S Bower, Ashley I Simpson

Published in

Cureus. Volume 18. Issue 6. Pages e110594. Epub Jun 10, 2026.

Abstract

Infraclavicular brachial plexus injury is an uncommon but potentially disabling complication of shoulder trauma, particularly glenohumeral dislocation and proximal humerus fracture or fracture-dislocation. Reported frequencies of neurological deficit vary widely because of heterogeneous definitions and ascertainment methods. Systematic reviews consistently identify the axillary nerve as the most commonly affected nerve following dislocation; however, multi-nerve deficits indicating cord-level involvement are clinically significant because recovery may be delayed or incomplete. Emergency care priorities for suspected infraclavicular brachial plexus injury centre on early, repeated, and well-documented neurological examination mapped to named cords and terminal branches, alongside prompt, gentle reduction of dislocations when a nerve deficit is present. Analgesia that facilitates examination without obscuring baseline deficits and imaging should be tailored to the fracture pattern and assessment of associated vascular red flags. Time-sensitive referral to orthopaedic and specialist peripheral nerve services is essential when red flags are identified. Concurrent vascular injury is a critical red flag that must be recognised early and escalated because it may compound nerve injury through compression or ischaemia and is itself limb-threatening. UK BOASt (British Orthopaedic Association Standards for Trauma) standards emphasise documentation of nerve function at the earliest opportunity and following interventions, alongside efficient referral pathways. This article is a narrative review with a pragmatic emergency department pathway proposal. It synthesises systematic reviews, large observational studies, and UK national standards. The proposed pathway is an expert-opinion synthesis that incorporates checklist-based documentation, staged imaging, and clear thresholds for escalation and specialist referral. It is intended for local adaptation and audit and has not been prospectively validated. The aim is to reduce missed injuries, optimise time-sensitive reconstructive opportunities, and mitigate medicolegal risk.

PMID:
42434619
Bibliographic data and abstract were imported from PubMed on 11 Jul 2026.

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