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Related Concept Videos

Phases of Wound Repair01:28

Phases of Wound Repair

Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...
Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the exudate's...
Transduction01:16

Transduction

Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome are...
Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...

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Related Experiment Video

Updated: Jul 14, 2026

Optimizing Extracellular Vesicle Delivery Using a Core-Sheath 3D-Bioprinted Scaffold for Chronic Wound Management
09:17

Optimizing Extracellular Vesicle Delivery Using a Core-Sheath 3D-Bioprinted Scaffold for Chronic Wound Management

Published on: February 28, 2025

Evolution or revolution? Adapting to complexity in wound management.

Keith Harding1, David Gray, John Timmons

  • 1Wound Healing Research Unit, Cardiff MediCentre, Wales, UK. hardingkg@cardiff.ac.uk

International Wound Journal
|September 13, 2007
PubMed
Summary

Complex wounds require a unified approach for diagnosis and management. Unified assessment strategies, like HEIDI (History, Examination, Investigations, Diagnosis, and management plan), improve care for challenging wounds.

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Protocol to Create Chronic Wounds in Diabetic Mice
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Protocol to Create Chronic Wounds in Diabetic Mice

Published on: September 25, 2019

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Optimizing Extracellular Vesicle Delivery Using a Core-Sheath 3D-Bioprinted Scaffold for Chronic Wound Management
09:17

Optimizing Extracellular Vesicle Delivery Using a Core-Sheath 3D-Bioprinted Scaffold for Chronic Wound Management

Published on: February 28, 2025

Protocol to Create Chronic Wounds in Diabetic Mice
06:55

Protocol to Create Chronic Wounds in Diabetic Mice

Published on: September 25, 2019

Area of Science:

  • Wound Care
  • Clinical Management
  • Health Economics

Background:

  • Increasing prevalence of complex wounds in clinics.
  • Complex wounds result from multifactorial influences: systemic pathologies, environmental, and local factors.
  • Existing approaches may not adequately address the complexity of these wounds.

Purpose of the Study:

  • To highlight the necessity of a unified approach for diagnosing and managing complex wounds.
  • To present case studies demonstrating the benefits of integrated wound assessment and management.
  • To evaluate the cost-effectiveness of an improved foam dressing in complex wound care.

Main Methods:

  • Utilizing unified wound assessment frameworks like HEIDI (History, Examination, Investigations, Diagnosis, and management plan).
  • Implementing wound bed preparation principles and applied wound management systems.
  • Presenting a series of illustrative case histories.
  • Conducting a cost-effectiveness study of an advanced foam dressing.

Main Results:

  • Unified approaches facilitate definitive diagnosis and interdisciplinary agreement on management plans.
  • Case studies demonstrate improved outcomes with integrated management strategies.
  • The study explores the cost-effectiveness of a new foam dressing, discussing challenges in proving long-term savings from short-term investment.

Conclusions:

  • A unified, multifactorial approach is essential for effective complex wound diagnosis and management.
  • Integrated strategies improve clinical decision-making and patient outcomes.
  • Further research is needed to clearly demonstrate the long-term economic benefits of advanced wound care interventions.