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[Münster age- and retina study (MARS). Association between risk factors for arteriosclerosis and age-related macular
Background:
The association between arteriosclerosis and age-related macular degeneration (AMD) has only been examined in a few studies and the data is still very inconsistent.
Methods:
A cross sectional study was initiated with 730 patients from the Münster age and retina study (MARS) which examines patients in the age range 60 to 80 years old who were referred by ophthalmologists from the Muenster area. Patients with narrow angle glaucoma were excluded. All patients underwent a standardized ophthalmoscopic examination und were classified into four groups: group 1 without AMD ( n=190), group 2 with unilateral or bilateral early forms of AMD ( n=340), group 3 with unilateral late forms of AMD ( n=139) and group 4 with bilateral late forms of AMD ( n=50). By means of these groups it was tested if there was a significant difference between the different risk factors for arteriosclerosis.
Results:
The mean age was 72 years and 58% were women and the sex distribution within the different groups did not differ significantly (all trend tests with p>0.1). General risk factors for arteriosclerosis such as diabetes, body-mass-index and hypertension did not differ significantly (all trend tests with p>0.1). The number of smokers increased significantly with the severity of AMD ( p=0.02). Furthermore, various lipids were examined, adjusted for age and sex and showed significant decrease of HDL ( p=0.087) and significant increases of the HDL/LDL quotient ( p=0.0007) and the non-sober triglyceride values ( p=0.0058) correlated with the severity of AMD.
Conclusions:
There was a highly significant, direct association of indicators of dyslipidemia such as increasing HDL/LDL quotient and decreasing HDL with the severity of AMD. These results were underlined by increased triglyceride levels even if they were taken non-sober. The results must be interpreted with caution due to the explorative character of the evaluation.
Insights
Arteriosclerosis indicators like high HDL/LDL quotient and low HDL are linked to age-related macular degeneration (AMD) severity. Increased triglycerides also correlate with more severe AMD, suggesting a connection between vascular health and this eye condition.
Area of Science:
- Ophthalmology
- Cardiovascular Medicine
- Gerontology
Background:
- The link between arteriosclerosis and age-related macular degeneration (AMD) is not well-established, with existing data being inconsistent.
- Few studies have explored the association between vascular disease and AMD, necessitating further investigation.
Purpose of the Study:
- To investigate the association between risk factors for arteriosclerosis and the severity of age-related macular degeneration (AMD).
- To determine if specific arteriosclerosis indicators correlate with different stages of AMD.
Main Methods:
- A cross-sectional study of 730 patients aged 60-80 years from the Münster Age and Retina Study (MARS).
- Patients were classified into four groups based on AMD presence and severity (none, early, unilateral late, bilateral late).
- Risk factors for arteriosclerosis, including lipids, were analyzed across AMD severity groups, excluding patients with narrow-angle glaucoma.
Main Results:
- While general risk factors like diabetes and hypertension did not differ significantly, smoking increased with AMD severity (p=0.02).
- Significant decreases in HDL (p=0.087) and significant increases in HDL/LDL quotient (p=0.0007) and non-fasting triglycerides (p=0.0058) were observed with increasing AMD severity.
- No significant differences in sex distribution or general arteriosclerosis risk factors were found between AMD groups.
Conclusions:
- A significant direct association exists between dyslipidemia indicators (elevated HDL/LDL quotient, decreased HDL, increased triglycerides) and the severity of age-related macular degeneration (AMD).
- These findings suggest a link between vascular health, specifically lipid metabolism, and AMD progression.
- Results should be interpreted cautiously due to the explorative nature of the study.
