Background: There is increasing evidence that discharge planning and post-discharge support for CHF patients can contribute greatly to the medical management of heart failure (CHF) in the community and that the quality of the CHF patient's close personal relationships can influence outcome in CHF. However, there has been little research on the impact of CHF on the family or the role of the family in the management of the condition. In this paper, we provide a review and analysis of studies that have explicitly investigated these issues in the informal carers of CHF patients. Results of the review: Sixteen papers were identified that examined the role and/or impact of informal caregiving for CHF patients. Our main findings were: demands specific to CHF caregiving were identified, e.g., monitoring complex medical and self-care regimen, disturbed sleep and frequent hospitalisation of patients. Relatively high levels of emotional distress were identified in CHF caregivers. Few studies explicitly investigated the role of informal carers in the management of CHF. Studies were limited in number, scope and quality. Conclusion: Caring for a family member with CHF can affect the well-being of those responsible for care, which may have consequences for the CHF patient's health. Further studies are needed to clarify these issues and to examine the role of informal caregivers in the management of CHF in the community.

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The association between psychological distress and CVD risk is largely explained by behavioral processes. Therefore, treatment of psychological distress that aims to reduce CVD risk should primarily focus on health behavior change.

The intermediate processes through which the various unmarried states can increase the risk of subsequent cardiovascular disease mortality are incompletely understood. An understanding of these processes and how they may vary by gender is important for understanding why marital status is strongly and robustly associated with subsequent cardiovascular disease. In a prospective study of 13,889 Scottish men and women (mean age 52.3, Standard Deviation: 11.8 yrs, range 35–95, 56.1% female) without a history of clinically diagnosed cardiovascular disease, we examined the extent to which health behaviours (smoking, alcohol, physical activity), psychological distress (General Health Questionnaire-12 item) and metabolic dysregulation (obesity levels, and the presence of hypertension and diabetes) account for the association between marital status and cardiovascular mortality. There were 258 cardiovascular deaths over an average follow up of 7.1 (Standard Deviation = 3.3) years. The risk of cardiovascular mortality was greatest in single, never married men and separated/divorced women compared with those that were married in gender stratified models that were adjusted for age and socio-economic group. In models that were separately adjusted, behavioural factors explained up to 33%, psychological distress explained up to 10% and metabolic dysregulation up to 16% of the relative change in the hazard ratios in the observed significant associations between marital status and cardiovascular mortality. Behavioural factors were particularly important in accounting for the relationship between being separated/divorced and cardiovascular mortality in both men and women (33% and 21% of the relative change in the hazard ratios, respectively). The findings suggest that health behaviour, psychological distress and metabolic dysregulation data have varying explanatory power for understanding the observed relationship between cardiovascular disease mortality and unmarried states.

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