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Study Finds Link Between Heart Failure, Brain Changes
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WEDNESDAY, Feb. 1 (HealthDay News) -- Heart failure is associated with a loss of gray matter in the brain as well as a decline in mental processes, according to a recent study. These changes can make it more difficult for heart failure patients to remember as well as perform health care instructions such as using the correct medications at the fair times, the Australian researchers said. They conducted memory as well as other mental performance tests on 35 heart failure patients, 56 patients with ischemic heart disease (which sometimes but not always accompanies heart failure), as well as 64 wholesome people. MRI exams were used to assess gray matter volume in dissimilar parts of the brain. In heart failure, the heart muscle is unable to pump enough oxygen-rich blood to the body, while ischemic heart disease affects the supply of blood to the heart. Heart failure patients had worse immediate as well as long-term memory as well as reaction speeds than wholesome people. The brain scans showed that heart failure was associated with losses of gray matter in areas believed to be substantial for memory, reasoning as well as planning. The study appears online Feb. 1 in the European Heart Journal. "What we found in this study is that both ischemic heart disease as well as heart failure are associated with a loss of cells in certain brain regions that are substantial for the modulation of emotions as well as mental activity -- such a loss is more pronounced in people with heart failure, but can as well as be seen in people with ischemic heart disease without heart failure," Osvaldo Almeida, director of research at the Western Australia Centre for Health as well as Ageing in Perth, said in a journal news release. People with both kinds of heart conditions "show subtle deficits in cognitive abilities" compared to wholesome people, Almeida said. But, the researchers could not determine whether people with heart failure performed worse than those with ischemic heart disease. Almeida said the findings "are consistent with the possibility that patients with heart failure may possess trouble following intricate management strategies, as well as, thus, treatment messages should be clear as well as cloudless. Health professionals as well as patients need to be aware that problems caused by heart disease are not limited to the heart." -- Robert Preidt  Copyright © 2012 HealthDay. All rights reserved.
SOURCE: European Heart Journal, news release, Jan. 31, 2012
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