2006 Heart-Brain summit proceedings

Cognitive impairment in chronic heart failure

Cathy A. Sila, MD

Cerebrovascular Center,
Neurological Institute
Professor of Medicine, Cleveland Clinic Lerner College of Medicine
Cleveland Clinic
Cleveland, OH
silac@ccf.org

ARTICLE INTRODUCTION

Advances in the treatment of ischemic heart disease have resulted in the survival of an increasingly elderly population with chronic heart failure (CHF). Approximately 5 million Americans suffer from CHF, and an additional 20 million are presymptomatic with a reduced ejection fraction. As the heart fails, so do other organs; renal failure and the profound weight loss of cardiac cachexia are significant determinants of mortality. However, it is the decline in cognitive functioning that can significantly reduce patients’ quality of life at a time when physical abilities are limited. This article reviews patient characteristics associated with cognitive impairment in CHF as well as conditions that may contribute to it.

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