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[Carpal instability associated with fracture in distal radius]
1Affiliated Hospital, Nantong Medical College.
Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
|February 1, 1994
Summary
Distal radius fractures frequently cause carpal instability, impacting wrist function. Understanding fracture patterns and joint angles is key to managing this common complication.
Area of Science:
- Orthopedic Surgery
- Hand and Wrist Surgery
- Traumatology
Context:
- Distal radius fractures are common orthopedic injuries.
- Carpal instability can be a significant complication.
- The relationship between fracture characteristics and carpal instability requires elucidation.
Purpose:
- To determine the incidence and patterns of carpal instability associated with distal radius fractures.
- To investigate the correlation between distal radius fracture types, articular surface geometry, and carpal instability.
- To assess the effectiveness of fracture reduction in correcting carpal instability and its impact on wrist function.
Summary:
- This study analyzed 197 distal radius fractures, identifying carpal instability in 32.9% (65 cases).
- Predominant instability patterns included dorsiflexion instability and scapholunate dissociation, linked to fracture type and distal radius articular surface angles.
- While 64.9% of instability resolved with fracture reduction, 35.1% persisted, leading to worse wrist function compared to fractures without instability.
Impact:
- Highlights the prevalence and specific patterns of carpal instability in distal radius fractures.
- Underscores the importance of assessing carpal alignment during fracture management.
- Informs surgical decision-making and rehabilitation strategies to improve outcomes for patients with distal radius fractures and associated carpal instability.