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Enzymatic debridement for necrotic wounds

S J Martin, O J Corrado, E A Kay

Journal of Wound Care

|July 1, 1996

Summary

Hydrogel alone effectively debrided pressure sores, similar to enzyme-hydrogel treatments. Using hydrogel solely may be a more cost-effective wound care option.

Area of Science:

Wound healing research
Biomedical engineering
Clinical trial methodology

Background:

Pressure sores, particularly Grade IV, present significant debridement challenges.
Enzymatic debridement using streptokinase/streptodornase is a common treatment modality.
Hydrogels offer a moist wound environment conducive to healing.

Purpose of the Study:

To compare the efficacy of streptokinase/streptodornase in hydrogel versus hydrogel alone for debriding Grade IV pressure sores.
To evaluate the cost-effectiveness of different debridement strategies.

Main Methods:

A randomized, double-blind, controlled trial was conducted.
Seventeen subjects (57-94 years) with Grade IV pressure sores were enrolled.
Twenty-one sores were treated, with 11 receiving enzyme/hydrogel and 10 receiving hydrogel alone.

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Main Results:

Both treatment groups achieved eschar removal.
The hydrogel-only group required fewer days for eschar removal (mean 8.1 days) compared to the enzyme/hydrogel group (mean 11.8 days).
The difference in debridement time was not statistically significant.

Conclusions:

Hydrogel alone is a viable and potentially cost-effective alternative for debriding Grade IV pressure sores.
Further research may explore optimizing hydrogel-only protocols for enhanced wound management.
The study highlights the importance of evaluating treatment costs alongside clinical efficacy.