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9 Cards in this Set

  • Front
  • Back
BMP's in healing
- released when bone is resorbed by osteoclasts
- stimulate osteoprogenitor cells to become osteoblasts
- injection into muscle makes an entire new ossicle
- a big thing in bone grafts
PDGF in healing
positive effect on wound and ligament healing
TGF-b1 in healing
positive effect on tensile strength of the healing tissue
healing in tendons and ligaments
- keep them mobile
- make of collagen, and that can form adhesions
partial thickness AC healing
- necrosis of hypertrophic cartialge cells nearby
- defects filled w/ fibrin
- b/t 2 days and 2 weeks, mitosis for more cartilage cells, but not nearly enough to replace
- in time, flattened fiborous cells from superficial zone fill defect
full thickness AC healing
- adjacent cartilage necrosis
- defect filled w/ blood that clots
- filled some w/ superficial cells, BUT
- bluk of defect filled w/ granulation tissue
- this becomes more fibrous and less vascular, looking more like hyaline cartilage
hot and cold technetium bone scans
- hot, or increased uptake, w/ a fracture
- cold, or decreased uptake, w/ AVN
4 R's of fracture therapy
- recognition
- reduction
- retention
- rehab
Sudeck atrophy
- vasomotor disorder
- intense pain and spotty osteoporosis
- usually relevied by resumption of normal activities
- interruption of synp nerve to the part may be necessary