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[Ischemic heart disease without anginal pain]
Insights
Asymptomatic ischemic heart disease, detected via Holter monitoring, affects 20% of IHD patients. This silent condition significantly elevates the risk of sudden cardiac death.
Area of Science:
- Cardiology
- Diagnostic Medicine
Background:
- Prolonged ECG monitoring using Holter's technique aids in identifying silent ischemic heart episodes.
- Ischemic heart disease without anginal pain constitutes approximately 20% of all ischemic heart disease (IHD) cases.
- Heart ischemia episodes, both symptomatic and asymptomatic, affect up to 30% of IHD patients.
Discussion:
- Asymptomatic ischemic heart disease may result from reduced pain sensitivity due to nerve damage or elevated endorphin levels.
- Patients with silent ischemia may engage in increased physical activity, unaware of their condition.
- Non-compliance with anti-sclerotic therapies and preventive measures can contribute to the progression of silent ischemia.
Key Insights:
- Asymptomatic ischemic heart disease is a significant risk factor for sudden cardiac death.
- Holter monitoring is crucial for detecting silent myocardial ischemia.
- Understanding the pathophysiology of silent ischemia is vital for risk stratification.
Outlook:
- Further research into the mechanisms underlying reduced pain perception in silent ischemia is warranted.
- Developing targeted screening strategies for individuals at risk of asymptomatic ischemic heart disease is essential.
- Investigating the long-term outcomes and optimal management of silent ischemic heart disease will improve patient prognosis.
Abstract:
Prolonged ECG-recording with Holter's technique facilitated detection of heart ischemic episodes without accompanying anginal pain. It is estimated that ischemic heart disease without anginal pain involves about 20% of all patients with IHD, and the episodes of heart ischemia with and without anginal pain occur in 30% of these patients. A course of ischemic heart disease without anginal pain may be due to decreased sensitivity to pain stimuli caused by the lesions to sensory afferent nerves or by the increased serum endorphins. The majority of experiments has shown that asymptomatic ischemic heart disease increases the risk of sudden death. It may be explained by increased physical exercise attempted by these patients and not compliance with anti-sclerotic therapeutical and preventive measures. The treatment of asymptomatic ischemic heart disease is similar to that in symptomatic froms of this diseases.