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Dermatology
Dressings
Built from Dermatology, 5th Edition
What’s inside
11 sections · 136 slides
Overview
- What this topic covers
Moist Healing Environment
Why keeping a wound moist, not dry, helps it heal faster
- How moisture speeds up healing
- Winter's landmark study on moist wound healing
History of Wound Dressings
From linen strips in ancient Egypt to today's engineered materials
- Ancient and early wound dressings
- The 'laudable pus' myth and the shift to moist care
Functions of a Wound Dressing
What any dressing, ideal or not, needs to do for the wound
- Minimum requirements of a wound dressing
- Matching the dressing to the wound problem
- Selection of appropriate dressings
- Comparing moisture-retentive dressing types
- Characteristics of an ideal dressing - comparison of moisture-retentive dressings
Traditional Wound Dressings
Gauze-based dressings and how they are layered and applied
- Gauze and impregnated dressings
- Odor control with activated charcoal dressings
- Primary and secondary dressings
- The three layers of a conventional dressing
- Pressure dressings
- First versus second intention healing
- Second intention healing after surgery
Debridement and Wound Cleansers
Removing dead tissue and debris before a wound can heal
- Five types of debridement
- Surgical and mechanical debridement
- Autolytic and enzymatic debridement
- Biologic debridement with maggots
- Wound cleansers
Topical Antimicrobials
Antiseptics and antibiotics used when bacteria threaten healing
- Bacteria in the wound bed
- Antiseptics versus antibiotics
- Silver as an antiseptic
- Evidence and newer forms of silver dressings
- Chlorhexidine and polyhexamethylene biguanide
- Iodine-based antiseptics
- Honey as an antiseptic dressing
- Other antiseptic dressings
- Comparing antiseptic dressing ingredients
- Dressings that contain antiseptics - Examples & coverage spectrum
- Dressings that contain antiseptics - Examples & coverage spectrum (continued)
- Dressings that contain antiseptics - Examples & coverage spectrum (continued)
- Dressings that contain antiseptics - Advantages & disadvantages
- Dressings that contain antiseptics - Advantages & disadvantages (continued)
- Dressings that contain antiseptics - Advantages & disadvantages (continued)
Moisture-Retentive Dressings
The six modern dressing families that trap moisture at the wound
- Occlusive dressings and their properties
- Overview of moisture-retentive dressings
- Film dressings
- Advantages and limits of film dressings
- Applying a film dressing over gauze
- Foam dressings
- Advantages and limits of foam dressings
- A foam dressing in place
- Hydrogel dressings
- Advantages and limits of hydrogel dressings
- Alginate dressings
- Advantages and limits of alginate dressings
- Alginate fiber dressing
- Packing deep wounds with alginate rope
- Gelling fibers (hydrofibers)
- Hydrocolloid dressings
- Advantages and limits of hydrocolloid dressings
- Superabsorbent dressings
- Contact layers and composite dressings
- Choosing a dressing by wound depth and drainage
- Comparing the moisture-retentive dressing families
- Moisture-retentive dressings - Examples, composition & permeability
- Moisture-retentive dressings - Examples, composition & permeability (continued)
- Moisture-retentive dressings - Examples, composition & permeability (continued)
- Moisture-retentive dressings - Indicated uses
- Moisture-retentive dressings - Advantages & disadvantages
- Moisture-retentive dressings - Advantages & disadvantages (continued)
- Moisture-retentive dressings - Advantages & disadvantages (continued)
- Occlusive dressings after cutaneous procedures
- Foam dressing after facial laser resurfacing
- Open technique after facial laser resurfacing
Advanced Wound Therapies
Growth factors, lab-grown skin, negative pressure, and oxygen therapy
- Beyond standard dressings
- Topical growth factors
- Three types of skin substitutes
- Classifying tissue-engineered skin substitutes
- Comparing skin substitute products
- Tissue-engineered skin equivalents - Possible uses
- Tissue-engineered skin equivalents - Possible uses (continued)
- Tissue-engineered skin equivalents - Possible uses (continued)
- Tissue-engineered skin equivalents - Possible uses (continued)
- Tissue-engineered skin equivalents - Possible uses (continued)
- Tissue-engineered skin equivalents - Possible uses (continued)
- Tissue-engineered skin equivalents - Advantages & disadvantages
- Tissue-engineered skin equivalents - Advantages & disadvantages (continued)
- Tissue-engineered skin equivalents - Advantages & disadvantages (continued)
- Tissue-engineered skin equivalents - Advantages & disadvantages (continued)
- Tissue-engineered skin equivalents - Advantages & disadvantages (continued)
- Tissue-engineered skin equivalents - Advantages & disadvantages (continued)
- Epidermal grafts
- Dermal replacement grafts: an overview
- Xenogeneic dermal grafts
- Allogeneic dermal grafts
- Selected dermal replacement products
- Selected dermal replacement grafts - Description
- Selected dermal replacement grafts - Comments
- Selected dermal replacement grafts - Comments (continued)
- Composite (bilayered) skin grafts
- How Apligraf changes the wound biology
- Point-of-care cell spray grafting
- Negative pressure wound therapy setup
- Negative pressure wound therapy: how it works
- Portable and combined negative pressure systems
- Oxygen therapy for chronic wounds
- Does hyperbaric oxygen therapy work?
Compression Therapy
Squeezing the leg to help blood and fluid move back toward the heart
- Why compression therapy works
- Main types of compression therapy
- The modified Laplace law for sub-bandage pressure
- What determines pressure under a bandage
- Choosing safe compression pressure
- Compression stockings
- The Unna boot and medicated paste bandages
- The Unna boot compression bandage
- What goes into a medicated paste bandage
- Short stretch versus long stretch bandages
- Evidence on bandaging systems
- Intermittent pneumatic compression devices
- Comparing compression systems
- Types of compression systems - Examples
- Types of compression systems - Advantages & disadvantages
- Types of compression systems - Advantages & disadvantages (continued)
- Applying graduated compression stockings
Future Directions
Where wound dressing technology is heading next
- The shift from passive to active wound care
- Key takeaways
- References
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- References
- Dermatology, 5th Edition (2-Volume Set)