Osteoarthritis Flashcards
1
Q
What is the pathogenesis of OA?
A
imbalance between wear and repair of cartilage within joints
may be considerable amount of associated inflammation - periodic flaring
2
Q
What is it called when there is no causative factor for OA?
A
primary OA
3
Q
Genetic & Environmental factors that can precipitate OA
A
Genetic: familial link, no mendelian inheritance, no formal genetic mutation identified
Environment: hobbies, type of work, joints with malalignment (development/ pathological)
4
Q
Secondary OA causes
A
congenital dislocation of the hip Perthes SUFE Previous intra-articular fracture Extra-articular fracture with malunion Osteochondral/hyaline cartilage injury Crystal arthropathy Inflammatory Arthritis Meniscal tears Genu varum / valgum
5
Q
Signs & Symptoms of OA
A
Symptom: pain
Sign: baker’s cyst
6
Q
choice of investigation for OA & what it shows
A
X-Ray (LOSS): Loss of joint space Osteophytes Sclerosis Subchondral cysts
7
Q
Management of OA
A
analgesia & physiotherapy
(weight loss & exercise)
sometimes - surgery
treat the patient NOT the images!
