grcc bi240 healing
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| fibrosis | occur due to complications or chronic inflammation.
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| healing by first intention | wound cleaned, edges quickly approximated and sutured = less scaring
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| Healing by second intention | Wounds heal from inside out; there is a large break in tissue, jagged edges, more inflammation & longer healing time.
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| healing process has how many phases? | 4: inflammatory, migratory, proliferative & maturation
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| Inflammatory phase | blood clot forms and seals area where proliferation happens, fibroblasts form and phagocytosis.
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| Migratory phase | Epitheleal cells continue to migrate and proliferate, granulation tissue
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| in migratory phase granulation tissue forms | beneath the the scab.
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| Proud flesh | granulation tissue.
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| Proliferative phase | Epi increases in thickness, collagen fibers in regular patterns, fibroblasts supplied, debris/fibrin/leukocytes disappear
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| maturation phase (remodeling) | Scab sloughs off, epi normal, collagen more organized, fibroblasts disappear, vascular restored
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| When does scar fade? | When capillaries decrease; red to white
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| Complications of scar tissue | puckering of skin, keloid formation, adhesion
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| complications of a scar | it can pucker causing a distortion
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| complications of adhesion | can cause obstruction (i.e. bowel twisting)
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| co-morbility | delayed healing due to other health problems such as DM or cancer.
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| Complications of healing | loss of funcion
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| What is the worst complication of healing? | contractures/obstructions
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| Hypertrophic scar formation | keloid
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| Common contracture | scar tissue that forms where you can't bend or move extremity.
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Created by:
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