Question | Answer |
What are the 5 radiographic features of OA? | 1)Joint space loss 2) Malalignment 3)Subchondral sclerosis 4)Ostephytes 5)Bone cysts |
What are teh names of the nodes? | Heberden's (DIP) and Bouchard's (PIP) |
What are the structural changes in OA? | 1)Subchondral bone formaiton 2)Articular cartilage loss 3)Synovial inflammation |
What is the structural composition of bone? | Articular Cartilage -> Tidemark ->Ca2+ cartilage -> bone |
How many tidemarks are there in OA? | 2 |
Which joint tissues are there dysregulation of modelling/remodelling? | Bone, synovium, calcified cartilage, cartilage, periarticular tissues |
What are the main risk factors for OA? | Hereditary, Trauma ,Obesity |
Give some specific examples of trauma and OA? | ACL/MCL, Knee surgery, repeated joint usage, increased loads |
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 |
What is some general treatment recommendations for OA? | Exercise, Rest, TJR, Glucosamide, NSAIDS, COX inhibitors, ACETAMINOPHEN |