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[Recurrent cardiac crises in patients with post-infarction cardiosclerosis]
Insights
Survivors of myocardial infarction with persistent risk factors like smoking and hyperlipoproteinemia face higher risks of recurrent cardiac events. Regular ergometric testing helps identify high-risk patients for targeted interventions.
Area of Science:
- Cardiology
- Internal Medicine
- Preventive Cardiology
Context:
- Post-myocardial infarction (MI) patients are at risk for recurrent cardiac events.
- Long-term follow-up (5-7 years) is crucial for understanding disease progression.
- Identifying persistent risk factors is key to secondary prevention strategies.
Purpose:
- To differentiate between survivors of myocardial infarction with recurrent cardiac events and those with a stable disease course.
- To assess the prognostic significance of ergometric parameters in identifying high-risk patients.
- To investigate the correlation between ventricular arrhythmias and recurrent cardiac accidents.
Summary:
- Macrofocal myocardial infarction survivors experiencing recurrent cardiac events (sudden death, re-infarction) exhibit higher incidence and persistence of risk factors such as smoking and hyperlipoproteinemia compared to stable patients.
- Regular ergometric testing is vital for identifying high-risk individuals post-MI, with parameters like load cessation, ST segment displacement, and myocardial reserve consumption being prognostically significant.
- No direct correlation was found between ventricular arrhythmias during ergometry and recurrent cardiac events, likely due to effective symptomatic therapy preserving myocardial function.
Impact:
- Highlights the necessity for aggressive management of modifiable risk factors (smoking, hyperlipoproteinemia) in post-MI patients.
- Emphasizes the utility of ergometric testing in risk stratification for secondary cardiac events.
- Informs clinical practice regarding the prognostic value of specific ergometric parameters and the role of anti-arrhythmic therapy.
Abstract:
Macrofocal myocardial infarction survivers with repeated cardiac accidents (sudden death and repeated myocardial infarction) in the post-infarction period (a 5-7-year follow-up) differ from similar patients with a stable course of the disease by a greater incidence and persistence of such risk factors as smoking and hyperlipoproteinemia. A thorough and maximally possible correction of these factors is necessary. Regular ergometric tests allow the identification of a high risk group for repeated cardiac accidents among patients with a history of an uncomplicated myocardial infarction. Of prognostic significance are such ergometric parameters as the cause of load cessation, the total displacement of the ST segment and the coefficient of consumption of the myocardial reserves. There has been no direct correlation between the incidence of ventricular arrhythmias revealed at the bicycle ergometric examination and the development of repeated cardiac accidents, which appears to be associated with the adequate symptomatic therapy aimed at maintaining the contractile function of the myocardium.