Related Experiment Videos
[Vasospastic reactions in patients with ischemic heart disease (data of the ergometrin test)]
Insights
The intravenous ergometrine test effectively correlates with coronary disease severity and pain patterns. It is particularly sensitive in unstable angina patients, aiding in diagnosis and prognosis.
Area of Science:
- Cardiology
- Clinical Medicine
- Diagnostic Testing
Background:
- Coronary artery disease (CAD) diagnosis relies on various clinical and diagnostic tools.
- The ergometrine test is used to provoke coronary artery vasospasm.
- Understanding the ergometrine test's correlation with clinical presentation is crucial for patient management.
Purpose of the Study:
- To investigate the correlation between intravenous ergometrine test results and the clinical presentation of coronary disease.
- To assess the diagnostic value of the ergometrine test in different angina patterns.
- To evaluate the ergometrine test's utility in predicting the clinical course of coronary disease.
Main Methods:
- A study involving 157 patients with verified or suspected coronary disease.
- Administration of intravenous ergometrine to provoke potential vasospastic responses.
- Correlation analysis of ergometrine test results with clinical symptoms, pain syndromes, and electrocardiographic findings.
Main Results:
- A significant correlation was found between positive ergometrine tests and the clinical course of coronary disease.
- Vasospastic responses were most prevalent in patients with unstable angina, especially those with acute coronary insufficiency.
- Higher functional classes of stable angina showed a considerable rate of positive ergometrine tests; atypical pain syndromes showed no vasospastic reactions.
Conclusions:
- The intravenous ergometrine test is a valuable tool for assessing coronary vasospasm in patients with suspected or verified coronary disease.
- Ergometrine test results correlate with the pattern of chest pain and the overall clinical course, particularly in unstable angina.
- The test aids in differentiating disease severity and predicting patient outcomes based on vasospastic response.
Abstract:
A study of 157 patients with verified or suspected coronary disease, subjected to the intravenous ergometrin test, is reported. A clear-cut correlation is demonstrated between the rate of clinically and electrocardiographically positive tests, the pattern of the pain syndrome and the clinical course of the disease. Vasospastic response was particularly common in patients with unstable angina. Of those, patients prone to attacks of acute coronary insufficiency in the presence of progressive angina with recent clinical coronary manifestations were particularly sensitive to ergometrin. Among patients with stable angina, angina of the higher functional classes was associated with a considerable rate of positive ergometrin tests. Vasoconstrictive response was rather uncommon in individuals with intact stress tolerance and spontaneous chest pains, suggestive of spontaneous angina. There were no vasospastic reactions in patients with the atypical pain syndrome.