Surgical vs Conservative Management of Scapular Dyskinesis in Minimally Displaced Clavicle Fractures

Overview

This study compares the incidence of scapular dyskinesis (ScD) in patients with minimally displaced midshaft clavicle fractures (<2 cm shortening) treated surgically versus conservatively. Findings suggest that anatomical restoration via surgery may reduce ScD occurrence and improve functional outcomes compared to conservative treatment.

Background

Clavicle shaft fractures represent up to 4% of adult fractures and often affect males more than females. Scapular dyskinesis, characterized by altered scapular motion, is a common complication following clavicle fractures, especially with displacement or shortening. ScD can lead to pain, reduced shoulder strength, and impaired function, impacting both athletes and daily activities. While conservative treatment is standard for fractures with less than 2 cm shortening, emerging evidence indicates even minor shortening can disrupt scapulothoracic mechanics, necessitating evaluation of surgical versus conservative approaches.

Data Highlights

A retrospective study included 60 patients with isolated clavicle shaft fractures exhibiting less than 2 cm displacement, treated either surgically or conservatively. Surgical treatment involved superior plating and a structured rehabilitation protocol, while conservative management included sling immobilization and progressive exercises. Follow-up was a minimum of 24 months. Patient selection excluded those with multiple fractures, prior surgeries, or neurological disorders to isolate the effect of treatment modality on ScD incidence.

Key Findings

• Scapular dyskinesis incidence was lower in the surgically treated group compared to the conservatively managed group.
• Anatomical restoration of clavicle length through surgery was associated with improved scapulothoracic kinematics.
• Patients undergoing surgery demonstrated better functional outcomes and shoulder range of motion at follow-up.
• Conservative treatment, while standard for minimal shortening, may not fully prevent biomechanical alterations leading to ScD.
• Patient-specific factors such as age, activity level, and comorbidities influenced treatment choice and outcomes.

Clinical Implications

Clinicians should consider surgical intervention for minimally displaced midshaft clavicle fractures when aiming to prevent scapular dyskinesis and optimize shoulder function. Early anatomical restoration may reduce long-term dysfunction associated with altered scapular mechanics. Individual patient factors and preferences remain important in guiding treatment decisions.

Conclusion

Surgical management of minimally displaced clavicle fractures with less than 2 cm shortening appears to reduce the incidence of scapular dyskinesis and improve functional outcomes compared to conservative treatment. These findings support reconsideration of treatment strategies in this fracture subgroup to enhance recovery.

References

1. Clavicle Fracture Epidemiology and Scapular Dyskinesis Pathophysiology
2. Biomechanics of Scapulothoracic Motion and Clavicle Function
3. Rehabilitation Protocols Following Clavicle Fracture Surgery