Osteoarthritis of The Knee
               Osteoarthritis of The Knee
               I.      Overview 
                I.     Overview 
                             Epidemiology 
                                Epidemiology 
                             Definition
                                Definition
                             Risk Factors
                                Risk Factors
               II.     Clinical Approach to Knee Pain 
                II.    Clinical Approach to Knee Pain 
               III.    Differential Diagnosis 
                III.   Differential Diagnosis 
               IV.     Diagnosis of Knee OA
                IV.    Diagnosis of Knee OA
               V.      Management
                V.     Management
                             Lifestyle
                                Lifestyle
                             Medical 
                                Medical 
                             Surgical
                                Surgical
              Overview: Epidemiology
              Overview: Epidemiology
   • Knee OA most common cause of disability in adults
      Knee OA most common cause of disability in adults
   • Decreased work productivity, frequent sick days 
      Decreased work productivity, frequent sick days 
   • Highest medical expenses of all arthritis conditions
      Highest medical expenses of all arthritis conditions
   • Symptomatic Knee OA
      Symptomatic Knee OA
                                        1
       – More than 10 million Americans 1
         More than 10 million Americans 
                                          2
       – More than 11% of persons > 64yo 2
         More than 11% of persons > 64yo 
                   Overview: Definition
                   Overview: Definition
                        Arthritis vs. Arthrosis
                        Arthritis vs. Arthrosis
     Gradual loss of articular cartilage in the knee joint
     Gradual loss of articular cartilage in the knee joint
         •   3 articulations:
             3 articulations:
            1) Lateral condyles of the femur and tibia
            1) Lateral condyles of the femur and tibia
            2) Medial condyles of the femur and tibia
            2) Medial condyles of the femur and tibia
            3) Patellofemoral joint
            3) Patellofemoral joint
      Damage caused by a complex interplay of joint 
      Damage caused by a complex interplay of joint 
      integrity, biochemical processes, genetics, and 
      integrity, biochemical processes, genetics, and 
      mechanical forces
      mechanical forces
     Anatomy of The Knee
     Anatomy of The Knee
     Anatomy of The Knee
     Anatomy of The Knee