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Related Concept Videos

Phases of Wound Repair01:28

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After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
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Related Experiment Video

Updated: Dec 26, 2025

A Full Skin Defect Model to Evaluate Vascularization of Biomaterials In Vivo
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Treating Wounds With an Avascular Component With a Dermal Regenerative Template.

Ronald N Bogdasarian1, Erica Y Xue1, Marvin Argüello-Angarita1

  • 1Rutgers University New Jersey Medical School, Newark, NJ.

Wounds : a Compendium of Clinical Research and Practice
|March 11, 2020
PubMed
Summary
This summary is machine-generated.

The dermal regenerative template (DRT) effectively vascularizes partially avascular wounds, showing better outcomes with less than 1.9% avascular tissue. Chronic wounds present challenges for DRT success.

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Area of Science:

  • Regenerative Medicine
  • Wound Healing
  • Tissue Engineering

Background:

  • Partially avascular wounds present significant challenges in surgical wound care.
  • Effective vascularization is crucial for successful wound healing and graft survival.

Purpose of the Study:

  • To evaluate the efficacy of the dermal regenerative template (DRT) in promoting vascularization over partially avascular wounds.
  • To quantify the success rate of DRT in different avascular wound scenarios.

Main Methods:

  • A comprehensive literature review was conducted using Ovid MEDLINE, Google Scholar, and Cochrane Library.
  • A retrospective analysis of 26 patients treated with DRT for partially avascular wounds at an institution was performed.
  • Key metrics analyzed included patient demographics, comorbidities, wound characteristics, avascular surface area, and skin graft take.

Main Results:

  • The study analyzed 32 articles and 26 patient cases.
  • 100% skin graft take was achieved in 17 patients, with partial take in 6 and complete loss in 3.
  • Lower avascular surface area (<1.9%) and absence of chronic wound status were significantly associated with successful graft take (P < .001).

Conclusions:

  • The dermal regenerative template (DRT) is a viable option for achieving vascularized coverage in wounds with avascular components.
  • DRT demonstrates higher reliability in wounds with minimal avascularity (<1.9%) and is less successful in chronic wound cases.