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Table 1 Pathogenesis of posttraumatic cartilage degradation

From: New developments in osteoarthritis: Posttraumatic osteoarthritis: pathogenesis and pharmacological treatment options

Immediate (seconds)

Acute (months)

Chronic (years)

Cell necrosis

Apoptosis

Joint tissue remodeling

Collagen rupture

Leukocyte infiltration

 

Glycosaminoglycan loss

Inflammatory mediators

 

Hemarthrosis

Extracellular matrix degradation

Inflammation

 

Deficient lubricants

 
 

Arthrofibrosis

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