Clinical Scorecard: Coronal fractures of the hamate body associated with instability in the dorsal fourth and fifth carpometacarpal joints: patterns of injury, mechanisms, surgical approaches, and clinical outcomes

At a Glance

Key Highlights

• Hamate fractures account for < 5% of all carpal fractures.
• Surgical intervention is frequently required due to displacement or instability.
• Delayed anatomical reduction may lead to poor functional outcomes.
• Limited literature exists on coronal hamate body fractures.
• Fracture morphology may be linked to specific injury mechanisms.

Guideline-Based Recommendations

Diagnosis

• Radiologically confirmed coronal fractures involving more than one-third of the articular surface.
• Dorsal instability of the fourth and/or fifth CMC joints defined by imaging.

Management

• Non-displaced and stable fractures can be treated non-operatively.
• Surgical intervention is necessary for displaced fractures or those with instability.

Monitoring & Follow-up

• Clinical outcomes should be assessed post-surgery for functional recovery.

Risks

• Inadequate anatomical reduction may necessitate arthrodesis.

Patient & Prescribing Data

Patients with coronal fractures of the hamate body and CMC joint instability.

Surgical techniques involve direct visualization and careful reduction of the fracture.

Clinical Best Practices

• Utilize fluoroscopic guidance during surgery.
• Protect the dorsal sensory branch of the ulnar nerve during incision.
• Confirm fracture reduction and wire placement with intraoperative fluoroscopy.

Related Resources & Content

• Epidemiologic study on hamate fractures
• Review of carpal fractures
• STROBE guidelines