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Valdes-Marquez, E.* ; Parish, S.* ; Clarke, R.* ; Stari, T.* ; Worrall, B.B.* ; Hopewell, J.C.* ; METASTROKE Consortium (Lichtner, P.)

Relative effects of LDL-C on ischemic stroke and coronary disease: A Mendelian randomization study.

Neurology 92, E1176-E1187 (2019)
Verlagsversion DOI PMC
Open Access Gold (Paid Option)
Creative Commons Lizenzvertrag
ObjectiveTo examine the causal relevance of lifelong differences in low-density lipoprotein cholesterol (LDL-C) for ischemic stroke (IS) relative to that for coronary heart disease (CHD) using a Mendelian randomization approach.MethodsWe undertook a 2-sample Mendelian randomization, based on summary data, to estimate the causal relevance of LDL-C for risk of IS and CHD. Information from 62 independent genetic variants with genome-wide significant effects on LDL-C levels was used to estimate the causal effects of LDL-C for IS and IS subtypes (based on 12,389 IS cases from METASTROKE) and for CHD (based on 60,801 cases from CARDIoGRAMplusC4D). We then assessed the effects of LDL-C on IS and CHD for heterogeneity.ResultsA 1 mmol/L higher genetically determined LDL-C was associated with a 50% higher risk of CHD (odds ratio [OR] 1.49, 95% confidence interval [CI] 1.32-1.68, p = 1.1 x 10(-8)). By contrast, the causal effect of LDL-C was much weaker for IS (OR 1.12, 95% CI 0.96-1.30, p = 0.14; p for heterogeneity = 2.6 x 10(-3)) and, in particular, for cardioembolic stroke (OR 1.06, 95% CI 0.84-1.33, p = 0.64; p for heterogeneity = 8.6 x 10(-3)) when compared with that for CHD.ConclusionsIn contrast with the consistent effects of LDL-C-lowering therapies on IS and CHD, genetic variants that confer lifelong LDL-C differences show a weaker effect on IS than on CHD. The relevance of etiologically distinct IS subtypes may contribute to the differences observed.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Density-lipoprotein-cholesterol; Risk-factors; Heart-disease; Genetic-variants; Statin Therapy; Metaanalysis; Subtypes; Pcsk9; Reduction; Bmi
ISSN (print) / ISBN 0028-3878
e-ISSN 1526-632X
Zeitschrift Neurology
Quellenangaben Band: 92, Heft: 11, Seiten: E1176-E1187 Artikelnummer: , Supplement: ,
Verlag Lippincott Williams & Wilkins
Verlagsort Two Commerce Sq, 2001 Market St, Philadelphia, Pa 19103 Usa
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Human Genetics (IHG)