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Keywords

acellular dermal matrix, advanced therapy, cellular and/or tissue-based product, diabetic foot ulcer, micronized human acellular dermal matrix, negative-pressure wound therapy, wound healing

 

Authors

  1. Hahn, Hyung Min MD
  2. Lee, Dong Hwan MD
  3. Lee, Il Jae MD, PhD

ABSTRACT

OBJECTIVE: To examine and report clinical outcomes of a ready-to-use micronized dermal matrix for diabetic foot ulcers (DFUs) and compare it to treatment with conventional negative-pressure wound therapy (NPWT) only.

 

METHODS: The researchers randomly allocated 30 DFUs Wagner grade 2 or higher from 30 adult patients into two groups. The control group (n = 15) was treated with conventional NPWT, and the experimental group (n = 15) was treated with micronized dermal matrix and NPWT. The researchers evaluated the following outcomes: granulation tissue formation, proportion of patients with closed or granulated wounds at 42 and 120 days, achievement of complete wound healing in the 6 months of follow-up, and intervals from enrollment to final surgical procedures.

 

RESULTS: All 15 wounds treated with the micronized matrix showed healthy granulation tissue without noticeable complications during follow-up. At 42 days, 46.7% of wounds in the experimental group had closed compared with 28.6% in the conventional NPWT group (P = .007). At 120 days, 86.7% of the experimental group had completely closed wounds, compared with 57.1% in the conventional therapy group (P = .040). During the 6-month follow-up period, 93.3% of the experimental group achieved complete wound healing compared with 85.7% of the conventional therapy group (P = .468).

 

CONCLUSIONS: The healing outcomes for DFUs in the experimental group were superior when micronized matrix treatment was combined with NPWT.