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[Diagnosis of the dynamic lesion]
E Fleck1, W Auch-Schwelk, E Frantz
1Klinik für Innere Medizin-Kardiologie, Deutsches Herzzentrum Berlin.
Zeitschrift Fur Kardiologie
|January 1, 1993
Summary
Diagnosing vasospastic angina, a localized vascular smooth muscle disease, relies on angiographical functional tests. While ergonovine is established, acetylcholine is under investigation for diagnosing these dynamic coronary artery lesions.
Area of Science:
- Cardiology
- Vascular Biology
- Pharmacology
Context:
- Coronary artery lesions result from plaque rupture, thrombosis, and spastic contractions.
- Vasospastic angina is increasingly recognized as a localized vascular smooth muscle disease.
- This condition can affect both atherosclerotic and non-atherosclerotic arterial segments.
Purpose:
- To review the diagnostic approaches for vasospastic lesions in coronary arteries.
- To highlight the current diagnostic limitations and ongoing research in vasospasm detection.
- To emphasize the importance of accurate diagnosis for improved patient prognosis.
Summary:
- Current diagnosis of vasospastic angina requires functional tests under angiographical control.
- Pharmacological provocation tests, such as ergonovine and acetylcholine, are used.
- Pathophysiological mechanisms of vasospasm are not fully understood, necessitating empirical diagnostic methods.
- Reproducibility of disease course and lesion localization requires further investigation.
Impact:
- Accurate diagnosis of vasospastic angina improves patient prognosis.
- Effective therapies, including calcium channel blockers and nitrates, are available.
- Understanding vasospastic mechanisms can lead to more targeted treatments.