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7 Cards in this Set
- Front
- Back
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Synonyms for Degenerative joint disease 5
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Degenerative arthritis
Degenerative arthrosis Degenerative disc disease Osteoarthrosis |
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General description of osteoarthrosis (djd)
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Progressively worse but NON-inflammatory
CARTILAGE degeneration {microfissures, tears, subchondral bone dz} Unknown cause but AGE related ***MOST COMMON JOINT PROBLEM*** Due to wear and tear- high stress leads to damage. Movement DECREASES symptoms and reduces ankylosis |
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Joints affected w/ osteoarthrosis
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WEIGHT bearing joints of hips, knees, AC, basal jt., big toe and DIPs of fingers
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Explain CARTILAGE DESTRUCTION relative to djd
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Secondary alterations in adjoining tissues.
Collagen & mucopolysaccharides (proteoglycans) as ground substance of chondroitin sulfate. Abnormal forces in articulation promote loss of chondroitin sulfate via interference of normal chondrocyte fcn. Ground substance gets altered, collagen get exposed => fissures & crevices. Underlying subchondral bone exposed. |
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Advanced djd on xray may be remarkably ________
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asymptomatic
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Primary osteoarthrosis
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No known proven factors (idopathic)
Middle aged female w/ no hx of trauma or other dz. *Affects finger DIPs and KNEES |
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Secondary osteoarthrosis
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Known precipitating factors = work hx of chronic repetitive or recurrent injury
Trauma/altered biomechanics Congenital anomalies Crystal deposition dz |
