Nutrition, metabolism, and cardiovascular diseases : NMCD · 2023
The effects of blood pressure and antihypertensive drugs on heart failure: A Mendelian randomization study.
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Li Yueying, Xiao Wendi, Huang Ninghao, Zhuang Zhenhuang, Zhang Linjing, Wang Wenxiu, Song Zimin, Zhao Yimin, Dong Xue, Xu Ming, Huang Tao
Аннотация
BACKGROUND AND AIMS: Heart failure (HF) is often triggered by hypertension and can benefit from antihypertensive treatment. We aimed to investigate whether pulse pressure (PP) could independently raise the risk of HF beyond systolic blood pressure (SBP) and diastolic blood pressure (DBP), as well as explore the potential mechanisms of antihypertensives in HF prevention.
METHODS AND RESULTS: We generated genetic proxies for SBP, DBP, PP, and five drug classes based on a massive genome-wide association study. We applied two-sample Mendelian randomization (MR) using summary statistics derived from European individuals and conducted summary data-based MR (SMR) with gene expression data. In univariate analysis, PP showed an obvious association with HF risk (OR, 1.24 per 10 mm Hg increment; 95% CI, 1.16 to 1.32), which was largely attenuated in multivariable analysis when adjusted for SBP (0.89; 0.77 to 1.04). A significant decrease in HF risk was obtained with genetically proxied β-blockers (equivalent to a 10 mm Hg reduction in SBP, 0.71; 0.62 to 0.82) and calcium channel blockers (0.71; 0.65 to 0.78), but not with genetically proxied angiotensin-converting enzyme inhibitors (0.69; 0.40 to 1.19) and thiazide diuretics (0.80; 0.47 to 1.37). Additionally, the enrichment of expression for the KCNH2 gene, a target gene of β-blockers, in blood vessels and nerves was significantly associated with HF risk.
CONCLUSION: Our findings suggest that PP may not be an independent risk factor for HF. β-blockers and calcium channel blockers have a protective effect against HF, which at least partly depends on their blood pressure-lowering effect.
METHODS AND RESULTS: We generated genetic proxies for SBP, DBP, PP, and five drug classes based on a massive genome-wide association study. We applied two-sample Mendelian randomization (MR) using summary statistics derived from European individuals and conducted summary data-based MR (SMR) with gene expression data. In univariate analysis, PP showed an obvious association with HF risk (OR, 1.24 per 10 mm Hg increment; 95% CI, 1.16 to 1.32), which was largely attenuated in multivariable analysis when adjusted for SBP (0.89; 0.77 to 1.04). A significant decrease in HF risk was obtained with genetically proxied β-blockers (equivalent to a 10 mm Hg reduction in SBP, 0.71; 0.62 to 0.82) and calcium channel blockers (0.71; 0.65 to 0.78), but not with genetically proxied angiotensin-converting enzyme inhibitors (0.69; 0.40 to 1.19) and thiazide diuretics (0.80; 0.47 to 1.37). Additionally, the enrichment of expression for the KCNH2 gene, a target gene of β-blockers, in blood vessels and nerves was significantly associated with HF risk.
CONCLUSION: Our findings suggest that PP may not be an independent risk factor for HF. β-blockers and calcium channel blockers have a protective effect against HF, which at least partly depends on their blood pressure-lowering effect.