Nonunion is a failure of fracture fragments to unite or heal. Nonunion usually occurs if the fracture site has failed to heal completely by approximately 6-9 months after an injury. Some causes of fracture nonunion are:
Insufficient or improper immobilization
Infection
Presence of soft tissue interposed between the edges of the fractured bone
Inadequate blood supply
Poor nutritional status
Metabolic bone disease
Fractures that are open, comminuted, segmental, or pathologic
Infection
Presence of soft tissue interposed between the edges of the fractured bone
Inadequate blood supply
Poor nutritional status
Metabolic bone disease
Fractures that are open, comminuted, segmental, or pathologic
Assess for:
-Pain
-Swelling
-Tenderness
-Deformity
-Limited Mobility
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