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[Pathogenetic and clinical aspects of disturbances in coronary microcirculation (author's transl)]
Insights
Disorders of coronary microcirculation stem from blood flow issues. Diagnosis excludes major artery blockages and confirms microcirculation dysfunction, guiding targeted treatment of underlying conditions for better outcomes.
Area of Science:
- Cardiology
- Vascular Biology
- Hemodynamics
Context:
- Coronary microcirculation disorders are frequently linked to vascular and rheological disturbances affecting coronary perfusion.
- Clinical diagnosis involves excluding significant coronary artery stenoses (≥200 micrometers) via coronary angiography.
- Functional assessment is crucial to demonstrate impaired blood supply within the coronary microcirculation.
Purpose:
- To outline diagnostic criteria and therapeutic strategies for coronary microcirculation disorders.
- To emphasize the importance of identifying underlying cardiac or extracardiac conditions.
- To highlight the benefits of targeted therapy for improved patient outcomes.
Summary:
- Diagnosis requires excluding major coronary artery stenoses and confirming microcirculatory dysfunction.
- Investigative methods include serum/blood analyses, coronary hemodynamics assessment, and bioptic procedures.
- Therapy focuses on treating the root cause (cardiac/extracardiac disease) alongside symptomatic antianginal measures.
Impact:
- Provides a framework for diagnosing and managing coronary microcirculation disorders.
- Emphasizes a holistic approach by addressing underlying pathologies.
- Aims to improve therapeutic benefits through etiological treatment.
Abstract:
In the majority of cases, disorders of coronary microcirculation develop as a result of vascular and rheological disturbances of coronary perfusion. Clinical diagnosis implies the exclusion by coronary angiography of stenoses of the greater coronary arteries (greater than or equal to 200 millimicron) and the functional demonstration of disordered blood supply to the coronary microcirculation. Methodologically, consideration should be given to investigations revealing the cardiac or extracardiac basic disease, i.e. serum and blood analyses, methods for the determination of coronary hemodynamics as well as bioptic procedures. In addition to symptomatic, antianginal measures, therapy involves with priority the specific treatment of the cardiac and extracardiac basic disease, through which a high therapeutic benefit can be expected.