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The "trap" hypothesis of venous ulceration
1University of Miami School of Medicine, Department of Dermatology and Cutaneous Surgery, Florida 33101.
Lancet (London, England)
|April 17, 1993
Summary
The exact cause of venous ulcers remains unclear. Researchers propose that trapped macromolecules in venous hypertension prevent essential growth factors needed for skin repair.
Area of Science:
- Vascular Biology
- Dermatology
- Wound Healing Research
Background:
- Venous ulceration pathogenesis is not fully understood.
- Venous hypertension is a known risk factor for skin breakdown.
Purpose of the Study:
- To propose a novel mechanism for the pathogenesis of venous ulceration.
- To investigate the role of macromolecule leakage in impaired tissue repair.
Main Methods:
- This study is based on a proposed hypothesis.
- No experimental methods were described in the abstract.
Main Results:
- Macromolecules leak into the dermis due to venous hypertension.
- These leaked macromolecules bind growth factors and matrix material.
Conclusions:
- Trapped macromolecules render growth factors and matrix material unavailable for tissue repair.
- This unavailability of essential components may explain the failure of tissue integrity in venous ulceration.