Heart failure inpatient"s self-care behaviour: mulricenter approach focousing on gender differences

Abstract

Abstract Funding Acknowledgements Type of funding sources: None. Introduction Heart failure is often characterized by low exercise capacity and great impairment on performance in activities of daily living. The correct management of the disease can prevent the worsening of symptoms and promote a better quality of life. Self-care behaviour plays an important role on patient"s quality of life. Aim The aims of this study are to evaluate the self-care behaviour in a sample of heart failure inpatients, using the Self-Care Heart Failure Index (SCHFI) and to understand whether gender and patophisiologic characteristics does interfere on it. Methods Cross-sectional multicenter study enrolling 225 heart failure inpatients from eight hospitals. At admission, patient’s functional capacity was evaluated as well as their self-care behaviour, using the SCHFI Portuguese v6.2. Comparison between self-care behaviour with gender was performed. Also some correaltions were perfomed with the total sample of patients, aiming to understand which were the variables that may interfere with the socre of each sub-scale of the self-care HF index. Results Patients’ mean age was 68.4 ± 10.7 years old, 68% were male and 82.3% have reduced ejection fraction. A mean value of 47.9, 35.6 and 38.8 points was found in the SCHFI score of the sections self-care maintenance (SCMt), self-care management (SCMg) and self-care confidence (SCC), respectively. Heart failure inpatients present inadequate levels of self-care behaviour. No difference was found between genders on any section of the SCHFI. Among all variables, only the number of CVRFs and the left ventricular ejection fraction had significant differences. Males had better results, but not with a statistically significant difference. Association tests (ANOVA) between different variables and the score of each section of the SCHFI were perfomred. Only in the NYHA there are variables associated with a better self-care, namely in the SCMg (p = 0.011) and in SCC (p = 0.010). Correlations were made using the numeric variables age, CVRF, BI, LCADL, SCMt, SCMg and SCC, in order to understand the influence of the variables with each other. All the three dimesnions present a positive correlation, at 99% confidence interval between them (SCMt with SCMg: r = 0.365, p < 0.000; SCMt with SCC: r = 0.272, p < 0.000 and SCMg with SCC: r = 0.670, p < 0.000). In addition, SCMt presents a positive correlation with age at a 95% confidence interval (r = 0.158, p = 0.018). Negative correlations were found between 1) BI and age (r=-0.151, p = 0.023), at a 95% confidence interval and 2) BI with LCALD (r=-0.407, p < 0.000), at a 99% confidence interval. Regarding NYHA functional class and left ventricular systolic function, only NYHA class II patients present a statistically significant difference in SCMg and SCC comparing to Class III and IV patients (who do not present differences between them). Conclusion The results do not suggest a relationship between gender and pathophysiological characteristics with self-care behaviour.