Burns and Wound Healing Flashcards
Epithelialization begins within day ____ and is complete within less than ____ hours in approximated incised wounds
Within day 1
Complete in less than 48 hours in closely approximated wounds
Steroids impair wound healing by:
Decreasing angiogenesis and macrophage migration
Nerve injury where there is focal demyelination
Neurapraxia
Nerve injury where there is complete transection
Neurotmesis
Proliferation stage roughly spans through day ___ to ___
Day 4-12
Wound contraction starts ________
Almost immediately after injury
Disruption of axonal continuity with preserved Schwann cell basal lamina
Axonotmesis
The major cause of impaired wound healing
Wound infection
Supplementation of Vitamin ____ improves wound healing in patients without micronutrient deficiency
Vitamin A
Regression of keloid vs hypertrophic scar
Keloids rarely regress
Hypertrophic scars regress over time
Treatment of choice for keloids
Excision and adjuvant therapy (e.g. radiation, intralesional steroids)
Most common cause of SBO, especially in the ileum
Most common cause of secondary infertility
Intraabdominal adhesions
Only growth factor approved for treatment of diabetic foot ulcers
PDGF
Most frequent nosocomial infection
UTI
Most common cause of empyema in a post-operative patient
Pneumonia