Introduction: Guiding Healing Toward the Best Outcome
Effective wound care is grounded in knowledge of physiology, tailored to remove barriers, and designed to support optimal healing.
This lesson focuses on three pillars:
Moist wound healing
Debridement techniques
Dressing selection strategies
The Power of Moist Wound Healing
Modern evidence has revolutionised wound care: moist wounds heal faster, with fewer complications.
✅ Benefits of Moist Wound Healing:
| Benefit | Explanation |
|---|---|
| 🕒 Faster healing | Moisture enhances cell migration (keratinocytes, fibroblasts) and promotes re-epithelialisation. |
| ✨ Less scarring | Reduces inflammation and supports organized collagen deposition. |
| 🛡️ Infection protection | Prevents scab formation that can trap bacteria; many moist dressings contain antimicrobials. |
| 🔬 Improved cell communication | Growth factors and cytokines can function more effectively. |
| ❤️ Enhanced angiogenesis | Supports new blood vessel formation (critical for oxygen & nutrient delivery). |
| 🔄 Autolytic debridement | Encourages the body’s enzymes to remove dead tissue naturally. |
| 😌 Less pain | Moisture protects exposed nerve endings and reduces trauma during dressing changes. |
Cleaning and Debridement: Preparing the Wound Bed
Wound healing can’t start effectively until non-viable tissue is removed.
What Is Debridement?
The process of removing:
Necrotic tissue
Scabs
Biofilm
Dried exudate
Infected tissue
💡 Goal: Convert a chronic wound into an acute healing wound by resetting the healing process.
Autolytic Debridement
Utilises body’s own enzymes and moisture.
Gentle, selective, and painless, but slow.
Best for stable wounds without infection.
Dressings:
Hydrogels
Hydrocolloids
Transparent films
Enzymatic Debridement
Uses topical enzymes to break down necrotic tissue.
Example:
Collagenase ointment
Slower than surgical, more selective than mechanical.
✂️ Surgical (Sharp) Debridement
Fast and effective, especially for infected or heavily necrotic wounds.
Done with scalpels, scissors, or curettes.
Requires clinical skill and consideration of pain and bleeding risk.
⚠️ Use caution in patients on anticoagulants or with bleeding disorders.
Dressing Selection: Strategic & Individualised
The right dressing supports the wound’s environment—moisture balance, infection control, protection, and comfort.
🧠 Considerations When Choosing a Dressing
| Factor | What to Assess |
|---|---|
| 🧪 Wound bed | Necrosis, slough, granulation tissue, epithelialisation |
| 💧 Exudate level | Dry, minimal, moderate, heavy |
| 📍 Location | Movement/friction, ease of application |
| 👀 Periwound skin | Maceration, irritation, eczema |
| 🔥 Infection | Use antimicrobial dressings if needed |
| 👤 Patient needs | Pain, allergies, ability to manage dressing, preferences |
| ⏱️ Wear time | How often it needs changing |
| 📦 Dressing properties | Absorbency, adherence, ease of removal |
📋 Dressing Types & Indications
| Dressing Type | Best For |
|---|---|
| Film | Superficial, low-exudate wounds; secondary dressing |
| Foam | Moderate to high exudate; cushioning & absorption |
| Hydrogel | Dry wounds; donate moisture; aid in debridement |
| Hydrocolloid | Shallow, low-exudate wounds; supports autolysis |
| Alginate | Heavy exudate; promotes granulation |
| Hydrofiber | High exudate; reduces risk of maceration |
| Superabsorbent | Very heavy exudate; high-capacity management |
| NPWT | Complex wounds; promotes granulation & draws edges together |
💬 Clinical Tip:
“The dressing supports the wound—but doesn’t heal it alone. Addressing underlying causes (e.g., pressure, diabetes, infection) is essential.”
Reassessment Is Critical
Wounds evolve: reassess regularly.
Be ready to change dressing plans as:
Exudate level changes
Tissue status progresses
Infection emerges or resolves
Patient needs shift
Summary
Wound care is more than applying a bandage—it’s an evidence-based, patient-centred strategy that:
Optimises the healing environment 🌱
Promotes comfort and function 🧘
Prevents complications and scarring 🛡️
References
Coloplast Professional. (n.d.). Understanding Moist Wound Healing. Retrieved from https://www.coloplastprofessional.co.uk/education-library/knowledge/advanced-wound-care-knowledge/wound-healing/understanding-moist-wound-healing/
Sood, A., Granick, M. S., & Tomaselli, N. L. (2014). Wound dressings and comparative effectiveness data. Advances in Wound Care, 3(8), 511–529. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC3842869/
West Coast Wound Center. (n.d.). Benefits of Moist Wound Healing. Retrieved from https://westcoastwound.com/benefits-of-moist-wound-healing/
Zhang, Y., Zhang, M., & Lin, W. (2021). Advances in biomaterials and dressings for wound healing. Frontiers in Bioengineering and Biotechnology, 9, 735616. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC8568799/
Velnar, T., Bailey, T., & Smrkolj, V. (2023). Wound healing and the role of the immune system. In StatPearls. StatPearls Publishing. Retrieved from https://www.ncbi.nlm.nih.gov/books/NBK507882/
Pourmohammadi, K., et al. (2022). Emerging trends in wound healing strategies: Biomaterials and beyond. Journal of Translational Medicine, 20, 315. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC9326937/
WoundSource. (n.d.). Wound Debridement Options: 5 Major Methods. Retrieved from https://www.woundsource.com/blog/wound-debridement-options-5-major-methods
Atkin, L. (2020). Wound assessment and dressing selection: An overview. British Journal of Nursing, 29(12), S4–S13. Retrieved from https://www.britishjournalofnursing.com/content/wound-assessment/wound-assessment-and-dressing-selection-an-overview/
Elsayed, M. M. A., et al. (2023). Emerging wound healing approaches: A bibliometric and research trend analysis. Heliyon, 9(11), e18723. Retrieved from https://www.sciencedirect.com/science/article/pii/S2405844023036836