Self-care and related factors associated with left ventricular systolic function in patients under follow-up after myocardial infarctionopen access
- Authors
- Kim, Sun Hwa; Hwang, Seon Young; Shin, Jeong-Hun; Lim, Young-Hyo
- Issue Date
- Jan-2021
- Publisher
- SAGE Publications Inc.
- Keywords
- left ventricular dysfunction; Myocardial infarction; self-care; self-efficacy; social support
- Citation
- European Journal of Cardiovascular Nursing, v.20, no.1, pp.5 - 13
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- European Journal of Cardiovascular Nursing
- Volume
- 20
- Number
- 1
- Start Page
- 5
- End Page
- 13
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/8043
- DOI
- 10.1177/1474515120923201
- ISSN
- 1474-5151
- Abstract
- Background: Recent advances in treatment have led to long-term survival after myocardial infarction (MI), but subsequent complications such as heart failure have also increased, and, therefore, the relationship between prognosis and self-care needs to be investigated.
Aims: This study aimed to confirm the relationship of potential variables affecting self-care of patients after MI and to determine whether self-care predicts left ventricular systolic function.
Methods: Using a descriptive study design, a hypothetical model was constructed based on previous studies, and 191 post-MI patients were recruited from three university hospital outpatient clinics in Korea. The modified model was verified by constructing a structural equation model using AMOS version 24.0. The exogenous variables were illness perception, social support, and depression symptoms. The endogenous variables were self-efficacy, self-care compliance, and changes in left ventricular ejection fraction (LVEF).
Results: The average patient age and disease duration were 66.3 (±11.5) years and 62.1 (±56.6) months, respectively. Self-care compliance was directly influenced by self-efficacy and indirectly affected by social support. Self-care compliance had a direct effect on LVEF changes, which was indirectly associated with illness perception, social support, and self-efficacy.
Conclusion: This study confirmed the direct effect of self-care compliance on changes in LVEF in patients under follow-up after MI. It is necessary to periodically monitor the degree of self-care in outpatients who are undergoing follow-up after MI to prevent a decrease in cardiac function. Counseling and education may be effective forms of social support to improve disease awareness and self-efficacy among patients with low self-care compliance.
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