ArticleJournal of hand surgery global online2024
Injury Patterns, Imaging Findings, and Prognosis for Muscle Strength Recovery in Surgical Infraclavicular Brachial Plexus Injuries.
Article in Journal of hand surgery global online, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: Historically, infraclavicular brachial plexus injuries (IBPIs) were considered neuropraxic injuries that would improve with nonsurgical intervention. However, more recent studies suggest that these injuries may benefit from surgical intervention. The aims of this retrospective study were to (1) describe injury patterns and associated injuries of isolated, traumatic IBPIs, (2) evaluate the concordance of preoperative ultrasound and magnetic resonance neurography with surgical findings of patients who underwent surgical intervention for IBPIs, and (3) describe outcomes of surgical intervention for these injuries. Methods: A total of 148 patients who underwent surgical intervention for traumatic injury to the IBP by one of three hand/upper-extremity fellowship-trained surgeons from 1995 to 2021 were included. Patients with supraclavicular brachial plexus injuries, stretch injuries, nonsurgical IBPIs, and brachial plexus dysfunction without traumatic injury were excluded. Results: The most common cause of injury was motor vehicle accident (74%). Scapular fractures were associated with IBPI in 22% of patients. Isolated branch injuries were the most common (58.8%), of which isolated musculocutaneous nerve injury was the most frequent (40.6%). Preoperative ultrasound and magnetic resonance neurography were concordant with surgical findings in eight of nine and seven of nine patients, respectively. Nerve transfers were the most common intervention (46%). Muscle strength improved after surgery, with an increase from 1 to 5 points on the Medical Research Council scale at 14-50 months after surgery. Conclusions: Infraclavicular brachial plexus injuries are associated with high-energy trauma and concomitant upper-extremity fractures. Ultrasound and magnetic resonance neurography are mostly concordant with surgical findings in patients undergoing surgical intervention for IBPIs. Prognosis for muscle recovery after surgery is good in patients with IBPIs. Clinical relevance: Infraclavicular brachial plexus injuries can improve with surgical intervention.
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