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Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
Lipoprotein(a) and lipid profile in patients with atrial fibrillation
José Antonio Díaz-Peromingo1, Ana Albán-Salgado, Florinda García-Suárez
1Department of Internal Medicine, Hospital Da Barbanza, Riveira, Spain. jadiazperomingo@mundo-r.com
Insights
This study found no significant difference in lipoprotein(a) levels between patients with atrial fibrillation (AF) and controls. The COL/HDL index was higher in AF patients, suggesting potential lipid profile alterations beyond Lp(a).
Area of Science:
- Cardiology
- Lipidology
- Biochemistry
Background:
- Atrial fibrillation (AF) is a known risk factor for embolic events, particularly cerebrovascular events.
- Previous research has explored associations between AF and various lipid markers.
- Lipoprotein(a) [Lp(a)] has been specifically investigated for its potential role in AF.
Purpose of the Study:
- To investigate the lipid profile characteristics in patients diagnosed with atrial fibrillation.
- To specifically evaluate and compare lipoprotein(a) [Lp(a)] levels in AF patients versus a control group.
Main Methods:
- A case-control study involving 101 patients with AF and 101 matched controls.
- Measurement of total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, and Lp(a).
- Calculation of lipid indices: LDL/HDL, COL/LDL, and COL/HDL.
Main Results:
- A statistically significant difference was observed in the COL/HDL index, which was higher in the AF patient group.
- No statistically significant difference was found in lipoprotein(a) [Lp(a)] levels between patients with AF and the control group.
- Other measured lipid markers and indices did not show significant differences between the groups.
Conclusions:
- The study did not find a relationship between atrial fibrillation (AF) and elevated lipoprotein(a) [Lp(a)] levels in the studied Caucasian population.
- Ethnic variations may contribute to differing findings compared to studies in other populations.
- Further research is needed to elucidate the complex interplay between AF, lipid profiles, and genetic factors.
Background:
Atrial fibrillation (AF) is well-known risk factor for cardiac embolic events, especially cerebrovascular events. The association between AF and lipid markers was evaluated. Among all these markers, lipoprotein(a), or (Lp(a), was also investigated. The aim of our study was to evaluate the characteristics of the lipid profile in patients with AF, focusing on Lp(a) levels.
Material/Methods:
One hundred and one patients with AF were included in the study group. We used 101 patients without AF, matched by sex and age with the study group, as the control group. Total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, triglycerides, Lp(a), and the LDL/HDL, COL/LDL, and COL/HDL indexes were measured. The study was performed in Spain with a Caucasian population.
Results:
Among all the variables included there was statistical difference only between groups in the COL/HDL index, showing a greater value in the group of patients with AF. No difference was found in Lp(a) levels between the groups.
Conclusions:
Although some studies have tried to show a possible relationship between AF and high Lp(a) levels, we found no such relationship in our study, although ethnic differences could explain, at least in part, these results in our patients when compared with other ethnic populations.
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