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CVD risk linked to xanthelasmata, but not arcus

Xanthelasmata around the upper or lower eyelids are markers of an individual’s increased risk of myocardial infarction (MI) or suffering from cardiovascular disease (CVD), according to research1 published recently on bmj.com.



The study, led by Professor Anne Tybjærg-Hansen at the University of Copenhagen, also concludes that arcus corneae are not linked to an increased risk.  

Previous research has established that both xanthelasmata and arcus corneae are deposits of cholesterol. However, around half of the individuals who have either or both condition will not test positively for high cholesterol in a blood test.

The researchers wanted to investigate links between xanthelasmata and/or arcus corneae and an increased risk of MI, CVD, stroke, severe thickening of the arteries or premature death in the general population. 
They surveyed 12,745 individuals who had participated in the Copenhagen City Heart Study. The participants were aged between 20 and 93 and were free of CVD when the study began.

They were followed from 1976-8 until May 2009 with 100% complete follow-up.

At the beginning of the study 563 (4.4%) of participants had xanthelasmata and 3,159 (24.8%) had arcus corneae.

During the follow-up 1,872 of the participants had an MI, 3,699 developed CVD, 1,498 had a stroke, 1,815 developed cerebrovascular disease and 8,507 died.

The results show that in all age groups for both men and women, the risk of having an MI, developing CVD or dying within a 10 year period increased in individuals with xanthelasmata.

This increased risk is independent of other well-known risk factors.

The highest risks were found in men between the ages of 70 and 79. Those with xanthelasmata had a 53% increased risk compared to the 41% risk for men without the condition – an absolute increase of 12%. The corresponding figures for women were 35% and 27%.

In contrast, the results show that arcus corneae is not a significant independent risk predictor for MI or CVD.

The authors conclude that the presence of xanthelasmata could help clinicians when they diagnose heart disease and associated conditions. And they add that their findings “could be of particular value in societies where access to laboratory facilities and thus lipid profile measurement is difficult.”

An accompanying editorial2 concludes that, overall, the evidence highlights the importance of a comprehensive physical examination and suggests that xanthelasmata could be used by general clinicians to help identify people at higher risk of CVD.

References

1 Christoffersen M, Frikke-Schmidt R, Schnohr P, Jensen GB, Nordestgaard BG, Tybjærg-Hansen A.  Xanthelasmata, arcus corneae, and ischaemic vascular disease and death in general population: prospective cohort study. BMJ 2011;343:d5497 doi: 10.1136/bmj.d5497

2 Fernandez AB, Thompson PD.  Eye markers of cardiovascular disease. BMJ 2011;343:d5304 doi: 10.1136/bmj.d5304

Published on: September 28, 2011

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  • Anticoagulation Europe
  • Atrial Fibrillation Association
 

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