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OSTEOARTHRITIS (CPG)
BY KAMAL SYUKRI
SUPERVISED BY DR KEE HT
INTRODUCTION
• Osteoarthritis (OA) is a progressive joint disease due to failure in repair of joint
damage resulting from biomechanical, biochemical and/or genetic factors and may
involve one or multiple joints.
• In the Global Burden of Disease 2010 Study, it was estimated that 251 million people
suffered from knee OA worldwide. Musculoskeletal diseases which included OA was
the second greatest cause of disability as measured by years lived with disability.1
• OA is prevalent in the ageing population. In 2010, WHO estimated that 524 million
people were aged 65 or older and this number is expected to triple which represents
16% of the world’s population by 2050.
EPIDEMIOLOGY
• Common case definitions :
- radiographic OA (highest prevalence), symptomatic OA and self-reported OA
• Hand OA :
- According to Framingham Osteoarthritis Hand OA study, the mean baseline age was 58.9 years with prevalence of hand OA was
higher in women than men.
• Hip OA :
- The prevalence of symptomatic hip OA in the US was 9.2% among adults age >45 and women.
- In another study, prevalence of radiographic hip OA in Chinese aged 60 - 89 years was slightly higher in men.
- Hip OA was 80 - 90% less frequent in the Chinese than white persons in the USA.
• Knee OA :
- In the Johnston County OA Project of USA, the lifetime risk of developing symptomatic knee OA is by the age of 85 years and
higher in those with history of knee injury and increased BMI.
-In the Beijing Osteoarthritis Study of persons aged 60 years and above, the prevalence of radiographic knee OA was 42.8% in
women and 21.5% in men. Symptomatic knee OA occurred in 15.0% of women and 5.6% of men.
• In the Community Orientated Program for the control of Rheumatic Disease (COPCORD) study in Malaysia which was initiated by
ILAR and WHO, 9.3% of adult Malaysians had knee pain and more than half of those examined had clinical evidence of OA in
various ethnic groups. Hip pain was less common, with only 2.2% of the study population affected.
RISK FACTORS
• Modifiable :
- BMI
- Injury
- Malalignment
• Non modifiable
- Age
- Gender
- Genetics
- Presence of Herberden’s nodes in hand OA
CLASSIFICATIONS
• Can be classified by joint : hand, hip and knee
• Or by aetiology :
• Primary or idiopathic :
Primary OA includes generalised OA, a condition associated with Heberden’s nodes and poly-articular disease. It
occurs especially in the hand, with a female preponderance and has a high prevalence in first degree relatives.
• Secondary :
- Metabolic - acromegaly, hemochromatosis, chondrocalcinosis
- Trauma
- Anatomical - slipped femoral epiphysis, Legg-Perthes disease, congenital dislocation of the hip, leg length
inequality, hypermobility syndromes and avascular necrosis
- Inflammatory - rheumatoid, psoriatic
DIAGNOSIS
• Some may have radiological OA without clinical symptoms
• Symptoms include :
- joint pain
- stiffness
- swelling
- gait disturbances
- bony swelling
- loss of muscle bulk
- limb deformity
- clicking/grinding sensation
- instability
• Signs include :
- antalgic gait
- tenderness
- joint swelling
- crepitus
- limitation of motion
- deformity
American College of Rheumatology
European League Against Rheumatism
INVESTIGATION
• Diagnosis is mainly clinical.
• Blood investigations and synovial fluid analysis are seldom required except to exclude
other diagnosis.
• Plain radiography is still the standard imaging for assessment of OA.
• No specific laboratory investigations for diagnosis of OA. Inflammatory markers (ESR,
CRP) are likely to be normal or only mildly elevated. Synovial fluid analysis is
essentially normal in OA.
OA.pptx
• In weight bearing position (AP, standing)
IMAGING
OA.pptx
MANAGEMENT
• Non- pharmacological :
1. Education : information of the diagnosis, nature of the disease, therapeutic options
and the importance of ongoing patient participation in the disease management. Instil a
positive attitude towards oneself.
2. Lifestyle modification : Weight reduction, physical activities
3. Physiotherapy : Exercise, transcutaneous electrostimulation (TENS), thermotherapy,
therapeutic ultrasound
4. Occupational therapy : assistive device, joint protection training, splinting, rest and
relaxation (jacobson relaxtion, music therapy, guided imagery relaxation)
5. Orthoses : walking shoes
OA.pptx
• Pharmacological :
1. Oral treatments :
- Simple analgesics - paracetamol
- Weak opioid analgesics - tramadol
- Analgesics with anti-inflammatory properties - Non-steroidal Anti-inflammatory Drugs
(NSAIDs) and Cyclo-oxygenase-2 (COX-2) Inhibitors
- Nutraceutical - glucosamine, chondroitin, diacerein
2. Intra-articular treatments :
- corticosteroids injections
- viscosupplements (HA injections)
- topical treatments (NSAIDs, capsaicin and methylsalicylate. Topical analgesics can be in
the form of gels, creams and transdermal patches)
• Alternative treatment :
- Acupunture
- Avocado Soybean Unsaponifiables (ASU)
- Ginger
• Surgical treatment :
- Arthroscopic Surgery
- High Tibial Osteotomy
- Total Joint Replacement (knee total replacement, hip total replacement)
- Partial Joint Replacement (unicondylar knee replacement, patellofemoral arthroplasty,
bicompartmental knee arthroplasty)
- Arthrodesis
OA.pptx
OA.pptx
RECENT ADVANCES
• Intra-articular stem cells
• Autologous Chondrocyte Implantation (ACI)
• Platelet Rich Plasma (PRP)
REFERRALS AND PRIMARY PREVENTION
• Referral :
- Rheumatology referral
- Orthopaedics referral
• Primary prevention :
- Identifying and modifying the risk factors can help in preventing OA and its progression
- Prevention of obesity, weight reduction in the obese and health education pertaining to
joint protection techniques including avoidance of trauma to the joints are recommended
as measures for primary prevention.
OA.pptx
Q&A
• What are the risk factors of OA ?
• What is the standard investigation for assessment of OA ?
• Classical features of OA in plain radiograph includes ?
• Kellgreen - Lawrence grading ?
• What are the aim of OA management?
• What are the surgical management for OA
• What do the arrows show ?
Thank You

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OA.pptx

  • 1. OSTEOARTHRITIS (CPG) BY KAMAL SYUKRI SUPERVISED BY DR KEE HT
  • 2. INTRODUCTION • Osteoarthritis (OA) is a progressive joint disease due to failure in repair of joint damage resulting from biomechanical, biochemical and/or genetic factors and may involve one or multiple joints. • In the Global Burden of Disease 2010 Study, it was estimated that 251 million people suffered from knee OA worldwide. Musculoskeletal diseases which included OA was the second greatest cause of disability as measured by years lived with disability.1 • OA is prevalent in the ageing population. In 2010, WHO estimated that 524 million people were aged 65 or older and this number is expected to triple which represents 16% of the world’s population by 2050.
  • 3. EPIDEMIOLOGY • Common case definitions : - radiographic OA (highest prevalence), symptomatic OA and self-reported OA • Hand OA : - According to Framingham Osteoarthritis Hand OA study, the mean baseline age was 58.9 years with prevalence of hand OA was higher in women than men. • Hip OA : - The prevalence of symptomatic hip OA in the US was 9.2% among adults age >45 and women. - In another study, prevalence of radiographic hip OA in Chinese aged 60 - 89 years was slightly higher in men. - Hip OA was 80 - 90% less frequent in the Chinese than white persons in the USA. • Knee OA : - In the Johnston County OA Project of USA, the lifetime risk of developing symptomatic knee OA is by the age of 85 years and higher in those with history of knee injury and increased BMI. -In the Beijing Osteoarthritis Study of persons aged 60 years and above, the prevalence of radiographic knee OA was 42.8% in women and 21.5% in men. Symptomatic knee OA occurred in 15.0% of women and 5.6% of men. • In the Community Orientated Program for the control of Rheumatic Disease (COPCORD) study in Malaysia which was initiated by ILAR and WHO, 9.3% of adult Malaysians had knee pain and more than half of those examined had clinical evidence of OA in various ethnic groups. Hip pain was less common, with only 2.2% of the study population affected.
  • 4. RISK FACTORS • Modifiable : - BMI - Injury - Malalignment • Non modifiable - Age - Gender - Genetics - Presence of Herberden’s nodes in hand OA
  • 5. CLASSIFICATIONS • Can be classified by joint : hand, hip and knee • Or by aetiology : • Primary or idiopathic : Primary OA includes generalised OA, a condition associated with Heberden’s nodes and poly-articular disease. It occurs especially in the hand, with a female preponderance and has a high prevalence in first degree relatives. • Secondary : - Metabolic - acromegaly, hemochromatosis, chondrocalcinosis - Trauma - Anatomical - slipped femoral epiphysis, Legg-Perthes disease, congenital dislocation of the hip, leg length inequality, hypermobility syndromes and avascular necrosis - Inflammatory - rheumatoid, psoriatic
  • 6. DIAGNOSIS • Some may have radiological OA without clinical symptoms • Symptoms include : - joint pain - stiffness - swelling - gait disturbances - bony swelling - loss of muscle bulk - limb deformity - clicking/grinding sensation - instability
  • 7. • Signs include : - antalgic gait - tenderness - joint swelling - crepitus - limitation of motion - deformity
  • 8. American College of Rheumatology
  • 10. INVESTIGATION • Diagnosis is mainly clinical. • Blood investigations and synovial fluid analysis are seldom required except to exclude other diagnosis. • Plain radiography is still the standard imaging for assessment of OA. • No specific laboratory investigations for diagnosis of OA. Inflammatory markers (ESR, CRP) are likely to be normal or only mildly elevated. Synovial fluid analysis is essentially normal in OA.
  • 12. • In weight bearing position (AP, standing) IMAGING
  • 14. MANAGEMENT • Non- pharmacological : 1. Education : information of the diagnosis, nature of the disease, therapeutic options and the importance of ongoing patient participation in the disease management. Instil a positive attitude towards oneself. 2. Lifestyle modification : Weight reduction, physical activities 3. Physiotherapy : Exercise, transcutaneous electrostimulation (TENS), thermotherapy, therapeutic ultrasound 4. Occupational therapy : assistive device, joint protection training, splinting, rest and relaxation (jacobson relaxtion, music therapy, guided imagery relaxation) 5. Orthoses : walking shoes
  • 16. • Pharmacological : 1. Oral treatments : - Simple analgesics - paracetamol - Weak opioid analgesics - tramadol - Analgesics with anti-inflammatory properties - Non-steroidal Anti-inflammatory Drugs (NSAIDs) and Cyclo-oxygenase-2 (COX-2) Inhibitors - Nutraceutical - glucosamine, chondroitin, diacerein 2. Intra-articular treatments : - corticosteroids injections - viscosupplements (HA injections) - topical treatments (NSAIDs, capsaicin and methylsalicylate. Topical analgesics can be in the form of gels, creams and transdermal patches)
  • 17. • Alternative treatment : - Acupunture - Avocado Soybean Unsaponifiables (ASU) - Ginger • Surgical treatment : - Arthroscopic Surgery - High Tibial Osteotomy - Total Joint Replacement (knee total replacement, hip total replacement) - Partial Joint Replacement (unicondylar knee replacement, patellofemoral arthroplasty, bicompartmental knee arthroplasty) - Arthrodesis
  • 20. RECENT ADVANCES • Intra-articular stem cells • Autologous Chondrocyte Implantation (ACI) • Platelet Rich Plasma (PRP)
  • 21. REFERRALS AND PRIMARY PREVENTION • Referral : - Rheumatology referral - Orthopaedics referral • Primary prevention : - Identifying and modifying the risk factors can help in preventing OA and its progression - Prevention of obesity, weight reduction in the obese and health education pertaining to joint protection techniques including avoidance of trauma to the joints are recommended as measures for primary prevention.
  • 23. Q&A • What are the risk factors of OA ? • What is the standard investigation for assessment of OA ? • Classical features of OA in plain radiograph includes ? • Kellgreen - Lawrence grading ? • What are the aim of OA management? • What are the surgical management for OA • What do the arrows show ?