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Abstract
Inflammatory cytokines play a role in atrial fibrillation (AF). Interleukin (IL)-1ß, which is targeted in the treatment of ischemic heart disease, has not been well-studied in relation to AF.Postmenopausal women from the Women's Health Initiative were included. Cox proportional hazards regression models were used to evaluate the association between log-transformed baseline cytokine levels and future AF incidence. Models were adjusted for body mass index, age, race, education, hypertension, diabetes, hyperlipidemia, current smoking, and history of coronary heart disease, congestive heart failure, or peripheral artery disease.Of 16,729 women, 3,943 developed AF over an average of 8.5 years. Racial and ethnic groups included White (77.4%), Black/African-American (16.1%), Asian (2.7%), American Indian/Alaska Native (1.0%), and Hispanic (5.5%). Baseline IL-1ß log continuous levels were not significantly associated with incident AF (HR 0.86 per 1 log (pg/mL) increase, p=0.24), similar to those of other inflammatory cytokines, IL-7, IL-8, IL-10, IGF-1, and TNF-a. There were significant associations between C-reactive protein (CRP) and IL-6 with incident AF.In this large cohort of postmenopausal women, there was no significant association between IL-1ß and incident AF, although downstream effectors, CRP and IL-6, were associated with incident AF.
View details for DOI 10.1016/j.ahj.2023.01.010
View details for PubMedID 36646198