Article
Causal inference in the field of arrhythmia: An introduction to mendelian randomization.
Heart rhythm - 1 Jan 2025
Lukas Eva, van de Weijer Margot, Bergstedt Jacob, Bezzina Connie R, Treur Jorien L
Abstract excerpt
Mendelian randomization (MR) uses genetic variants associated with an exposure (eg, high blood pressure) as instrumental variables to test causal effects on an outcome (eg, atrial fibrillation [AF]). By leveraging the random assortment of genetic variants during gamete formation, MR reduces biases like confounding and reverse causation. We screened 391 papers, examining 277 that applied MR to investigate...
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