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Symptomatic myocardial ischemia and everyday life: implications for clinical use of interactive monitoring
G Kinne1, C Droste, J Fahrenberg
1Herz-Zentrum (Heart Center), Bad Krozingen, Germany. Kinne.Freiburg@t-online.de
Insights
Coronary heart disease (CHD) patients may experience silent myocardial ischemia without chest pain. An interactive monitoring system revealed psychological differences between symptomatic and asymptomatic ischemic episodes, highlighting the need for better patient education on managing strain.
Area of Science:
- Cardiology
- Psychology
- Medical Technology
Background:
- Myocardial ischemia in coronary heart disease (CHD) can occur without chest pain (angina pectoris).
- Assessing factors influencing silent vs. symptomatic ischemia in daily life is challenging due to methodological limitations.
- Angina pectoris is an unreliable indicator of myocardial ischemia, necessitating alternative monitoring methods.
Purpose of the Study:
- To investigate the factors influencing silent and symptomatic myocardial ischemia in coronary heart disease (CHD) patients.
- To compare psychological variables associated with ischemic episodes occurring with and without chest pain.
- To evaluate the utility of a computer-assisted monitoring system for understanding ischemia in everyday life.
Main Methods:
- Utilized a computer-assisted monitoring system integrating an interactive Holter ECG, actometer, and electronic diary.
- Collected self-report data on psychological factors and coping mechanisms.
- Analyzed objective physiological data alongside subjective patient reports.
Main Results:
- No significant difference in the degree of myocardial ischemia was found between silent and symptomatic episodes.
- Symptomatic episodes were associated with higher subjective strain and severe tension.
- Asymptomatic patients demonstrated more frequent use of beneficial, active coping skills, while symptomatic patients showed increased neuroticism.
Conclusions:
- Myocardial ischemia in CHD can be silent, as chest pain is not a reliable warning sign.
- Psychological context, including subjective strain and coping strategies, differs between symptomatic and asymptomatic ischemic episodes.
- Interactive monitoring systems are valuable tools for educating CHD patients on managing daily life stressors and excessive strain.
Abstract:
In coronary heart disease (CHD), pathological myocardial ischemic changes do not always occur with the symptom of heart pain. Methodological problems make it difficult to examine the factors that influence silent and symptomatic myocardial ischemia in everyday life. This study uses a computer-assisted monitoring system with an interactive Holter ECG, an actometer, and an electronic diary. Self-report measurements indicate that symptomatic patients tend toward increased neuroticism, whereas asymptomatic patients engage in beneficial and active coping skills more frequently. The results of the monitoring study demonstrate the same degree of ischemia in silent and symptomatic episodes. However, these episodes show differences in certain psychological context variables. Symptomatic episodes are linked to high subjective strain and severe tension. Because angina pectoris is not a reliable warning signal of myocardial ischemia, the use of the interactive monitoring system is recommended for educating CHD patients on how to cope with excessive strain in everyday life.