Elsevier

American Heart Journal

Volume 154, Issue 3, September 2007, Pages 424-431
American Heart Journal

Progress in Cardiology
Cognitive influences on self-care decision making in persons with heart failure

https://doi.org/10.1016/j.ahj.2007.04.058Get rights and content

Background

Despite advances in management, heart failure is associated with high rates of hospitalization, poor quality of life, and early death. Education intended to improve patients' abilities to care for themselves is an integral component of disease management programs. True self-care requires that patients make decisions about symptoms, but the cognitive deficits documented in 30% to 50% of the heart failure population may make daily decision making challenging. After describing heart failure self-care as a naturalistic decision making process, we explore cognitive deficits known to exist in persons with heart failure. Problems in heart failure self-care are analyzed in relation to neural alterations associated with heart failure. As a neural process, decision making has been traced to regions of the prefrontal cortex, the same areas that are affected by ischemia, infarction, and hypoxemia in heart failure. Resulting deficits in memory, attention, and executive function may impair the perception and interpretation of early symptoms and reasoning and, thereby, delay early treatment implementation.

Conclusions

There is compelling evidence that the neural processes critical to decision making are located in the same structures that are affected by heart failure. Because self-care requires the cognitive ability to learn, perceive, interpret, and respond, research is needed to discern how neural deficits affects these abilities, decision-making, and self-care behaviors.

Section snippets

Self-care in heart failure as a decision making process

Self-care is an active process intended to maintain health through treatment adherence, symptom monitoring, recognition, and treatment and an evaluative process whereby learning occurs in response to prior self-care. Managing an illness such as heart failure requires that symptoms are recognized early and treated quickly.6 Yet, numerous studies have demonstrated that dietary indiscretion, medication nonadherence, and failure to detect and act upon early symptoms of fluid retention are primary

Overview of patient decision making

Most of patient decision making research has focused on studies of patient choices about specific treatment options, informed consent, advanced directives, or general treatment preferences. When choosing between limited options, the problem-solving task is discrete, and the decision is made based on static choices. That is, patients weigh the specific options and make one decision, for example, choosing surgery over radiation therapy as cancer treatment. Although researchers have attempted to

Cognitive impairment in heart failure

Cognitive function refers to the information-processing abilities of attention, learning and memory, executive function (eg, cognitive flexibility and abstract reasoning), visual-spatial and visual-construction skills, psychomotor abilities, perceptual skills and language—functions critical to self-care. Cognitive deficits have been demonstrated in persons with heart failure using general cognitive measures such as the Mini-Mental Status Examination8 and neuropsychological testing. Two leading

Cognition and decision making in heart failure self-care

Cognitive impairment may contribute to failed self-care in 2 ways. Deficits in memory and attention may impair treatment adherence, one aspect of self-care, because of forgetfulness and poor learning ability. In a study testing the effect of standardized one-on-one instruction and written information about the treatment regimen on medication adherence, more than 50% of patients with clinically stable heart failure were unable to name their medications or dosages, and 75% failed to remember to

Neural processing and the effect on self-care decision making

Self-care decision making requires that symptoms are perceived and interpreted. A timely response to symptoms requires the ability to reason, make associations, and foresee consequences of actions. The ability to learn, thereby improving self-care decision making in the future, assumes memory.

Treatment seeking delay in response to early symptoms could reflect neural processing problems manifested in increased deliberation time. Impaired symptom perception has been identified as a mechanism

Conclusion

True self-care is a decision-making process requiring the cognitive ability to learn, perceive, interpret, reason, and respond. Cerebral ischemia, infarction, and hypoxemia impair concentration, memory, and processing abilities. These deficits, which have been shown to occur in persons with heart failure, may affect naturalistic decision-making ability through their influence on knowledge acquisition, interpretation of physical sensations, use of prior experience, and skill development. We

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