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Association of APOL1 With Heart Failure With Preserved Ejection Fraction in Postmenopausal African American Women.


ABSTRACT: Importance:APOL1 genotypes are associated with kidney diseases in African American individuals and may influence cardiovascular disease and mortality risk, but findings have been inconsistent. Objective:To discern whether high-risk APOL1 genotypes are associated with cardiovascular disease and stroke in postmenopausal African American women, who are at high risk for these outcomes. Design, Setting, and Participants:The Women's Health Initiative is a prospective cohort that enrolled 161?838 postmenopausal women into clinical trials and an observational study between 1993 and 1998. This study includes 11?137 African American women participants who had a clinical event from enrollment to June 2014. Data analyses were completed from January 2017 to August 2017. Exposures:The variants of APOL1 were genotyped or imputed from whole-exome sequencing. Main Outcomes and Measures:Incident coronary heart disease, stroke and heart failure subtypes, and overall and cause-specific mortality were adjudicated from hospital records and death certificates. Estimated incidence rates were determined for each outcome and hazard ratios (HR) and 95% CIs for the associations of APOL1 groups with outcomes. Results:The mean (SD) age of participants was 61.7 (7.1) years. Carriers of high-risk APOL1 variants (n?=?1370; 12.3%) had higher prevalence of hypertension, use of cholesterol-lowering medications, and reduced estimated glomerular filtration rate (eGFR). After a mean (SD) of 11.0 (3.6) years, carriers of high-risk APOL1 variants had a higher incidence rate of hospitalized heart failure with preserved ejection fraction (HFpEF) than low-risk carriers did but showed no differences for other outcomes. In adjusted models, there was a significant 58% increased hazard of hospitalized HFpEF (HR, 1.58 [95% CI, 1.03-2.41]) among carriers of high-risk APOL1 variants compared with carriers of low-risk APOL1 variants. The association with HFpEF was attenuated (HR?=?1.50 [95% CI, 0.98-2.30]) and no longer significant when adjusting for baseline eGFR. Conclusions and Relevance:Status as a carrier of a high-risk APOL1 genotype was associated with HFpEF hospitalization among postmenopausal women, which is partly accounted for by baseline kidney function. These findings do not support an association of high-risk APOL1 genotypes with coronary heart disease, stroke, or mortality in postmenopausal African American women.

SUBMITTER: Franceschini N 

PROVIDER: S-EPMC6143074 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Association of APOL1 With Heart Failure With Preserved Ejection Fraction in Postmenopausal African American Women.

Franceschini Nora N   Kopp Jeffrey B JB   Barac Ana A   Martin Lisa W LW   Li Yun Y   Qian Huijun H   Reiner Alex P AP   Pollak Martin M   Wallace Robert B RB   Rosamond Wayne D WD   Winkler Cheryl A CA  

JAMA cardiology 20180801 8


<h4>Importance</h4>APOL1 genotypes are associated with kidney diseases in African American individuals and may influence cardiovascular disease and mortality risk, but findings have been inconsistent.<h4>Objective</h4>To discern whether high-risk APOL1 genotypes are associated with cardiovascular disease and stroke in postmenopausal African American women, who are at high risk for these outcomes.<h4>Design, setting, and participants</h4>The Women's Health Initiative is a prospective cohort that  ...[more]

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