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Microangiopathy of ethylic polyneuropathy
S Bilancini1, M Lucchi, S B Curri
1Centro Studi Malattie Vascolari J. F. Merlen, Frosinone, Italy.
Angiology
|November 1, 1992
Summary
Alcohol abuse causes significant microvascular damage in the feet, leading to conditions like ethylic polyneuropathy. Histologic analysis revealed narrowed blood vessels and nerve damage, consistent with alcoholic acropathy.
Area of Science:
- Vascular biology
- Neuropathology
- Toxicology
Background:
- Ethylic polyneuropathy is a common complication of chronic alcohol abuse.
- Microvascular changes are implicated in the pathogenesis of alcoholic neuropathy.
- Exclusion criteria ensured a focused study on alcohol's direct effects.
Purpose of the Study:
- To investigate the histologic changes in foot microvessels of patients with ethylic polyneuropathy.
- To compare these changes with those observed in Bureau-Barriere disease (alcoholic acropathy).
- To elucidate the role of alcohol in microvascular alterations.
Main Methods:
- Biopsy of the big toe tip was performed.
- Histologic examination focused on microvessels and nerve corpuscles.
- Patients with confounding vascular or dermatologic conditions were excluded.
Main Results:
- Significant microvascular pathology was observed, including arteriovenous anastomosis narrowing.
- Regressive changes in Vater-Pacini corpuscles and capillary/small vein dilatation were noted.
- Findings were consistent with those in Bureau-Barriere disease, indicating alcohol's direct impact.
Conclusions:
- Alcohol consumption leads to profound microvascular structural changes.
- These alterations contribute to the development of ethylic polyneuropathy and alcoholic acropathy.
- The study highlights alcohol's detrimental effect on peripheral microcirculation.