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  • Title: [Angina pectoris and coronary insufficiency with a normal coronary angiogram: pathophysiological principles, diagnosis and therapeutic consequences].
    Author: Strauer BE.
    Journal: Z Kardiol; 1988; 77 Suppl 5():35-44. PubMed ID: 3066040.
    Abstract:
    The clinical syndrome "coronary insufficience at normal coronary arteriogram" is found in approximately 10-20% of patients with exercise-induced coronary insufficience. In most of these cases disturbances of coronary microcirculation are present. They can appear in vascular diseases (arterial hypertension, systemic immunopathies, immune complex vasculitis, etc.), in rheological diseases (paraproteinemia, hyperlipoproteinemia, polyglobulia, etc.), and in disturbances of transport and diffusion of oxygen (carbon monoxide intoxication, methemoglobinemia, hyperlipoproteinemia). The clinical diagnosis is based on usual diagnostic programs (electrocardiogram, exercise electrocardiogram, responsiveness to nitroglycerin, etc.), as well as on newer, functionally orientated diagnostic procedures (determinations of coronary blood flow and of coronary vascular reserve, production of lactate, serological findings, histology and immune histology of peripheral arteries, measurements of viscosities in both plasma and blood, etc.). Many clinically relevant disturbances in coronary microcirculation can thus be detected and treated on a rational basis by the management of the internal main disease, that is, by the treatment of the vascular, rheological, and metabolic disorders. Persistent angina pectoris in the presence of normal coronary arteriogram represents no termination of coronary diagnostics, but moreover implies the clinical task for using diagnostic possibilities to enable functional and therapeutical assessment of coronary microcirculation.
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