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[Clinical characteristics and diagnosis of stenocardia in persons with normal coronary vessels]
Insights
This study identifies key clinical and noninvasive signs for diagnosing coronary heart disease (CHD) in patients with normal coronary arteries. It aims to improve the diagnostic methods for this CHD variant, enhancing patient outcomes.
Area of Science:
- Cardiology
- Diagnostic Medicine
Context:
- Coronary heart disease (CHD) diagnosis is challenging in patients with normal coronary arteries.
- Existing diagnostic methods are insufficient for certain CHD variants like Prinzmetal's angina.
Purpose:
- To evaluate clinical symptoms and diagnostic possibilities for CHD in patients with intact coronary arteries.
- To develop and present a set of signs for identifying CHD in patients with normal coronarograms.
Summary:
- Analyzed 67 coronary patients, 46 with normal coronarograms, using instrumental methods and myocardial metabolic studies.
- Computerized analysis identified specific clinical and noninvasive signs for CHD diagnosis in patients with unobstructed coronary arteries.
- Verified CHD diagnosis through electrocardiographic tests and atrial stimulation-induced metabolic studies.
Impact:
- Provides a basis for improved diagnostic strategies for coronary heart disease in patients with normal coronary arteries.
- Aims to enhance the early and accurate detection of CHD, potentially leading to better management and prognosis.
- Contributes to a more comprehensive understanding of CHD variants beyond those with significant arterial blockages.
Abstract:
To date, the clinical pattern and electrocardiographic diagnosis of only one variant of coronary heart disease (CHD) with unchanged coronarogram, Prinzmetal's angina, have been worked out, while the diagnosis of other variants remains undeveloped. Clinical symptoms and possibilities of CHD diagnosis in the presence of intact coronary arteries have been evaluated in 67 coronary patients, the coronarograms being normal in 46 of those. The diagnosis of CHD was verified by means of various instrumental methods, including electrocardiographic tests and myocardial metabolic studies in conditions of frequent atrial stimulations. The results were computerized, using a specifically designed programme. Sets of signs identifying coronary patients with intact coronary arteries at questioning and noninvasive investigation are presented.