Summary
Background
The blood concentrations of total cholesterol and low-density lipoprotein (LDL) do not predict survival in patients older than 60 years. The atherogenic index of plasma (AIP) is a logarithm of the triacylglycerol to high-density lipoprotein (HDL) ratio and a surrogate for the concentration of small dense LDL. It might be a better reflection of the risk of all-cause death in elderly patients.
Methods
We conducted a prospective observational study of patients with arterial hypertension older than 60 years. The concentrations of total cholesterol, LDL, HDL and triacylglycerol were measured at the time of the recruitment and the patients were observed for 10 years. Cox regression analysis was performed to assess the effects of lipoproteins and AIP on survival.
Results
A total of 500 patients were recruited and 473 of them (226 men, 247 women) either died or successfully completed the 10-year follow-up and were included in the analysis. The AIP was positively associated, while HDL concentration was negatively associated with the risk of all-cause death adjusted for age, smoking habits, statin use, history of diabetes mellitus, myocardial infarction, stroke and peripheral artery occlusive disease (PAOD) in elderly women but not in men. The LDL, total cholesterol, triacylglycerol and non-HDL concentrations were not associated with the risk of death in both sexes.
Conclusions
The AIP is positively associated with the risk of all-cause death in elderly women with arterial hypertension independent of age, smoking habits, statin therapy and comorbidities.
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Abbreviations
- AIP:
-
Atherogenic index of plasma
- BMI:
-
Body mass index
- CAD:
-
Coronary artery disease
- CVD:
-
Cardiovascular disease
- HDL:
-
High-density lipoprotein
- LDL:
-
Low-density lipoprotein
- TAG:
-
Triacylglycerol
- VLDL:
-
Very low-density lipoprotein
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M. Bendzala, P. Sabaka, M. Caprnda, A. Komornikova, M. Bisahova, R. Baneszova, D. Petrovic, R. Prosecky, L. Rodrigo, P. Kruzliak, and A. Dukat declare that they have no competing interests.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
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Matej Bendzala and Peter Sabaka contributed equally to the manuscript.
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Bendzala, M., Sabaka, P., Caprnda, M. et al. Atherogenic index of plasma is positively associated with the risk of all-cause death in elderly women. Wien Klin Wochenschr 129, 793–798 (2017). https://doi.org/10.1007/s00508-017-1264-1
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DOI: https://doi.org/10.1007/s00508-017-1264-1