Erythrocyte mean corpuscular volume associated with severity of peripheral arterial disease: an angiographic

Meinhard Haltmayer1, Thomas Mueller, Christian Luft

  • 1Department of Laboratory Medicine, Konventhospital Barmherzige Brueder Linz, Linz, Austria. meinhard.haltmayer@bblinz.at

Insights

Elevated mean corpuscular volume (MCV) is linked to more severe peripheral arterial disease (PAD). Higher MCV levels in patients with PAD correlate with greater atherosclerotic findings, suggesting MCV as a potential risk factor.

Area of Science:

  • Vascular Medicine
  • Cardiovascular Research
  • Hematology

Background:

  • Peripheral arterial disease (PAD) is a significant cause of morbidity.
  • Erythrocyte mean corpuscular volume (MCV) has been suggested as a potential risk factor for PAD.

Purpose of the Study:

  • To investigate the association between MCV and the severity of lower limb atherosclerosis in PAD patients.
  • To determine if MCV predicts angiographically assessed PAD severity.

Main Methods:

  • A study involving 100 male patients with symptomatic PAD.
  • Angiographic scoring system used to quantify atherosclerotic findings based on vessel lumen reduction.
  • Logistic regression analysis incorporating age, smoking, hypertension, MCV, homocysteine, total cholesterol, and triglycerides.

Main Results:

  • MCV showed a significant positive correlation with the angiographic score (rs = 0.247, p = 0.013).
  • Logistic regression identified MCV (OR = 2.02 per 5 fL increase) and age (OR = 2.41 per 10-year increase) as significant predictors of disease severity.
  • The model correctly classified 71% of subjects.

Conclusions:

  • MCV is associated with angiographically determined disease severity in patients with PAD.
  • The findings support the hypothesis that MCV is a risk factor for PAD.
  • The underlying mechanism linking MCV to PAD severity requires further investigation.

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