Normal wound healing
Terms
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- What is primary wound closure?
- wound closed surgically soon after creation
- What is delayed primary wound closure?
- wound remains open for a few days before surgical closure
- What is secondary wound closure?
- wound closes over time by contracture
- What type of wound closure is appropriate for infected or contaminated wounds?
- Secondary closure
- What are the 3 phases of wound healing?
- inflammatory, proliferative, and remodeling
- How long does the inflammatory phase of wound healing last?
- 2-3 days
- During the inflammatory phase of wound healing, platelet growth factors attract what cells to the wound?
- inflammatory cells - particularly macrophages
- When do neutrophils peak in the wound?
- 24 hours
- When do monocytes peak in the wound?
- 2-3 days
- When does the proliferative phase of wound healing begin
- about day 3
- How long does the proliferative phase of wound healing last?
- 3 weeks
- During the remodeling phase the ratio of type I collagen to type III becomes what?
- 4:1