Quality of Life of Patients with Heart Failure Due to Myocardial Ischemia

Abstract

Background: Heart failure caused by myocardial ischemia is a common cause encountered in clinical practice. A significant problem in heart failure is its progressive, unfavorable course and the associated increased frequency of repeated hospitalizations, as well as a significant deterioration in the functioning of patients, leading to their inability to function independently and a significant decline in the quality of life. This study aimed to assess the quality of life of patients with heart failure due to myocardial ischemia, considering the left ventricular ejection fraction, the number of “diseased” coronary arteries, co-occurring diseases, and cardiovascular risk factors. Methods: A total of 204 patients with decompensated heart failure due to chronic myocardial ischemia were included in this study and examined twice: A: on the first day of hospitalization; A′: from 4 to 8 weeks. For the individual assessment of the quality of life, the WHOQOL-BREF (The World Health Organization Quality of Life - BREF) questionnaire was used. Results: In the group of patients with heart failure in the decompensation stage a statistically significant positive relationship was observed between the number of comorbidities and the social domain (R(A) = 0.197; p(A) = 0.005), the number of diseased coronary arteries and the mental (R(A) = 0.184; p(A) = 0.184) and environmental (R(A) = 0.149; p(A) = 0.034) domains, left ventricular ejection fraction (LVEF%) and quality of life (R(A) = 0.235; p = 0.001) and satisfaction with health (R(A) = 0.235; p = 0.001) and somatic domain (R(A) = 0.194; p = 0.005). A similar result was observed among patients in the long-term follow-up. A statistically significant negative correlation was demonstrated in the mentioned group between the LVEF% value and the social domain (R(A) = –0.235; p = 0.001), as well as in the long-term follow-up (R(A′) = –0.191, p = 0.026). The level of self-assessment of quality of life and satisfaction with health was statistically significantly higher among patients with heart failure in the long-term follow-up (3.20 ± 0.62) than in patients in the decompensation stage (1.98 ± 0.69). Conclusions: The quality of life of the examined patients with heart failure caused by chronic myocardial ischemia was poor, although it improved to average in the long-term follow-up. It was determined by left ventricular ejection fraction, the number of “diseased” coronary arteries, comorbidities, and risk factors.

Keywords

• heart failure
• quality of life
• myocardial ischemia