2007-09-26 Common heart arrhythmia linked to dementia risk


(Reuters Health) - Atrial fibrillation, the rapid and uncoordinated beating of the upper chambers of the heart, is a fairly common disorder that has been linked to an increased risk of blood clots and strokes. Now, researchers have found that dementia occurs quite frequently in the years following a diagnosis of atrial fibrillation.

Dr. Teresa S. M. Tsang at the Mayo Clinic in Rochester, Minnesota and colleagues identified 2837 patients first diagnosed with atrial fibrillation between 1986 and 2000, and who were followed until 2004.(Read entire article)

2006-05-24 Heart failure increases Alzheimer's/dementia risk


Heart failure is associated with a significantly increased risk of dementia and Alzheimer's disease (AD) in older adults, a new study has shown [1].

Led by principal investigator Dr Chengxuan Qiu (Gerontology Research Center, Stockholm, Sweden), the study is published in the May 8, 2006 issue of Archives of Internal Medicine.

"We found that heart failure was associated with a more than 80% increased risk of developing dementia and Alzheimer's disease after controlling for major potential confounders such as vascular comorbidities and follow-up survival status," the authors write. (Read entire article)