NUR 330 Osteoarthritis

NUR 330 Osteoarthritis
1. osteoarthritis
Answer
-OA results from cartilage damage that triggers a metabolic response at level of chondrocytes
-Cartilage becomes
Dull, yellow, and granular
Soft and less elastic
Less able to resist wear with heavy use
Singlecauses for OA has not been identified
2. etiology and pathophysiology of OA
Answer
-Inflammation not characteristics of OA
-Inflammatory change contributes to early pain and stiffness
-Gradual loss of articular cartilage
-Not normal part of aging process
-Cartilage destruction
Begins between ages 20 and 30, Regular exercise can help prevent, Idiopathic
-Factors that have been linked to OA
Age, Decreased estrogen at menopause, Obesity, Anterior cruciate ligament injury, Frequent
kneeling and stooping
3. clinical manifestations
Answer
-joint pain most common
-Joint stiffness occurs after periods of rest or unchanged position
-Early morning stiffness usually resolves within 30 minutes when moving around
-Overactivity -> mild joint effusion, temporarily increased stiffness
-Crepitation
-Asymmetrical
-Systemic manifestations are not present in OA Distinction between OA and RA