OA lecture notes
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What are the 5 radiographic features of OA? | 1)Joint space loss 2) Malalignment 3)Subchondral sclerosis 4)Ostephytes 5)Bone cysts
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What are teh names of the nodes? | Heberden's (DIP) and Bouchard's (PIP)
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What are the structural changes in OA? | 1)Subchondral bone formaiton 2)Articular cartilage loss 3)Synovial inflammation
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What is the structural composition of bone? | Articular Cartilage -> Tidemark ->Ca2+ cartilage -> bone
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How many tidemarks are there in OA? | 2
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Which joint tissues are there dysregulation of modelling/remodelling? | Bone, synovium, calcified cartilage, cartilage, periarticular tissues
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What are the main risk factors for OA? | Hereditary, Trauma ,Obesity
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Give some specific examples of trauma and OA? | ACL/MCL, Knee surgery, repeated joint usage, increased loads
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What is the classic presentation of OA? | Pain in weight bearing joints after usage (at end of day), In knees, cartilage loss starts on medial aspect (from periphery), NON INFLAMMATORY/NO SYSTEMIC SYMPTOMS
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What is some general treatment recommendations for OA? | Exercise, Rest, TJR, Glucosamide, NSAIDS, COX inhibitors, ACETAMINOPHEN
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