collagen-based dressing
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Characteristics
- sheets, powders, particles & ropes that absorb exudate or gels that provide wound hydration
- products differ in collagen source (e.g.. bovine vs. avian) & molecular structure
- some products are 100% collagen, & others are combined with other products such as alginates or hydrogels
- purported actions include
- abdorbence
- hemostasis
- chemotaxis
- provision of matrix in a wound for granulation tissue formation
Indications
- granular or necrotic wounds
- partial or full-thickness wounds
- pressure ulcers
- venous ulcers
- diabetic ulcers
- arterial ulcers
- utilize powders, particles & pads for wounds with moderate to heavy exudate
- utilize sheets for wounds with low to moderate exudate
- utilized gels for dry wounds
Contraindications
Advantages
- autolysis
- conforming
- moist environment
- high absorbency with all products except gels
- can be used on infected wounds if changed daily
- up to 7 days wear time depending upon amount of drainage
Disadvantages
Notes
Helpful hints:
- an increase in drainage may be seen in the 1st few days of treatment
- wounds may appear larger in the 1st few days of treatment due to reduction of edema
- some powders/particles may be mixed with saline to form a paste
- some products may expand so do not pack in tight areas
- products differ between manufacturers
- read product insert & talk to manufacturer prior to use
Products:
- 100% collagen
- combination products