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The Dubai Hip and Knee Institute (DHKI) - Dr Hervé Ouanezar

Knee Osteoarthritis (Gonarthrosis)

Knee osteoarthritis is a degenerative condition where the cartilage in the knee gradually wears down, leading to pain and reduced movement. 

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Risk Factors

  • More common in women, especially as they age.

  • Past knee injuries or genetic predispositions can increase the risk.

 

Symptoms

  • Pain: Persistent pain, often worsened by physical activity.

  • Reduced Mobility: Limited range of motion in the knee.

  • Stiffness: Feeling stiff, especially after periods of rest (e.g., in the morning).

  • Swelling: Inflammation and warmth around the knee.

 

Diagnosis

  • A physical exam checks for mobility, strength, and signs of inflammation.

  • Imaging tests like X-rays or MRIs confirm the diagnosis and assess the severity.

TREATMENT

​01. NON-SURGICAL MANAGEMENT

  • Physical Therapy: Strengthening the quadriceps and improving joint mobility.

  • Medications: Pain relievers and anti-inflammatory drugs (NSAIDs).

  • Injections: Corticosteroids or hyaluronic acid to reduce pain and inflammation.

  • Activity Modification: Avoiding high-impact activities and weight management to reduce joint stress.

 
02. SURGICAL TREATMENT

  • Unicompartimental Knee Replacement:

    • For patients with osteoarthritis limited to one compartment of the knee.

    • A partial replacement that preserves healthy cartilage and bone in the unaffected areas.

  • Total Knee Replacement (TKR):

    • Involves replacing the entire knee joint with an artificial implant when the damage is more widespread.

    • Custom-Made Implants: Tailored implants based on individual anatomy for a more personalized and precise fit, potentially improving outcomes and longevity.

 
03. POST-SURGICAL REHABILITATION

  • Focus on restoring knee strength, flexibility, and function through a structured rehab program.

  • Recovery time typically takes 3-6 months for partial replacements and 6-12 months for total knee replacements.

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04. KEY POINT

  • Treatment choice depends on the severity of osteoarthritis, with custom-made implants and unicompartimental options offering less invasive alternatives for specific cases.

The Dubai Hip and Knee Institute (DHKI) - Dr Hervé Ouanezar
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