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Feb 20, 2019

Study shows correlation between HDL, triglycerides and AMD

New Study:

Study shows correlation between HDL, triglycerides and AMD

Colijn JM, et al. Ophthalmology. 2018;doi:10.1016/j.ophtha.2018.09.045.

HDL cholesterol and triglycerides have a positive and negative association, respectively, with an increased risk of age-related macular degeneration, particularly in the early stages, according to a study.

The correlation between circulating lipid levels and AMD, as well as the association with specific genetic variants, were analyzed in a large dataset from the European EYE-RISK project, involving 14 studies in seven countries.

This study, like several other studies, was triggered by the notion that drusen are deposits of lipid-rich proteins, resembling the formation of artherosclerotic plaques in cardiovascular disease. Systemic lipid levels, as well as specific genes involved in lipid metabolism, may therefore have significant correlations with drusen and early AMD disease.

A total of 4,730 individuals with early AMD, 2,441 with late AMD and 23,782 nonaffected subjects were identified within the EYE-RISK database. Lipid levels as well as genotype data were recorded.

A positive association was found between higher HDL cholesterol and an increased risk of any AMD, with slightly higher estimates for early AMD. Conversely, triglycerides were negatively associated with early AMD and any AMD. The same correlations were found with drusen size and area: Higher HDL levels were associated with greater drusen size and area whereas higher triglycerides were associated with smaller drusen size and area. Genetic analysis did not lead to clear-cut answers.“The more pronounced risk for early AMD and increasing [odds ratios] of HDL cholesterol for the larger drusen suggest that lipids play an important role at the early phase of disease.


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Source: Healio

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