A study of more than 83,000 questionnaires by women ages 50-79, found more than 25% developed irregular heart rhythms, known as atrial fibrillation, which may increase their risk for stroke and heart failure.
After menopause an estimated 1 in 4 women may develop irregular heart rhythms -- known as atrial fibrillation -- in their lifetime, with stressful life events and insomnia being major contributing factors, according to new research published today in the, an open access, peer-reviewed journal of the American Heart Association.
"In my general cardiology practice, I see many postmenopausal women with picture perfect physical health who struggle with poor sleep and negative psychological emotional feelings or experience, which we now know may put them at risk for developing atrial fibrillation," said lead study author Susan X. Zhao, M.D., a cardiologist at Santa Clara Valley Medical Center in San Jose, California.
"The heart and brain connection has been long established in many conditions," Zhao said."Atrial fibrillation is a disease of the electrical conduction system and is prone to hormonal changes stemming from stress and poor sleep. These common pathways likely underpin the association between stress and insomnia with atrial fibrillation."
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