Valvular & structural heart disease

Aortic Stenosis Intricacies Beyond the Valve: A Bidirectional Mendelian Randomization Study

ESC Heart FailPublished Bidirectional Mendelian randomization study

Authors' conclusion

This comprehensive MR study revealed the causal relationship between genetically predicted CAVS and the increased risk of various CVDs and the causal relationship between hypertension and CAVS risk.

Study context

Population
Genetic association data (FinnGen, UK Biobank) on calcific aortic valve stenosis (CAVS) and seven common cardiovascular diseases (CVDs)
Comparison
Genetically predicted CAVS vs risk of 7 common CVDs
Outcome
Causal association between genetically predicted CAVS and risk of 7 common CVDs
Methodological detailsmeta-analysis of multiple Mendelian randomization (MR) results
  • Meta-analysis of multiple MR results

Pooled result

As reported in the abstract

Risk of CVDs with genetically predicted CAVS
Genetically predicted CAVSOdds ratio (95% CI)P value
HF
1.064(1.008–1.123)
P = 0.025
Large-artery stroke
1.256(1.112–1.418)
P < 0.001
Cardioembolic stroke
1.228(1.117–1.349)
P < 0.001
AF
1.100(1.061–1.140)
P < 0.001

Further pooled results

Risk of CAVS with genetically predicted hypertension (reverse direction)

OR (95% CI)P value
Genetically predicted hypertensionFinnGen1.170 (1.055–1.297)P = 0.003
Genetically predicted hypertensionUK Biobank2.456 (1.571–3.840)P = 8.16 × 10-5

Original publication

Aortic Stenosis Intricacies Beyond the Valve: A Bidirectional Mendelian Randomization Study. ESC Heart Fail. Published 13 June 2025. doi:10.1002/ehf2.15348

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