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Coronary artery spasm and microvascular angina 

Coronary artery spasm and microvascular angina
Chapter:
Coronary artery spasm and microvascular angina
Author(s):

Peter Ong

, and Udo Sechtem

DOI:
10.1093/med/9780198759935.003.0007
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date: 15 October 2019

Ischaemic heart disease comprises a variety of coronary abnormalities, ranging from obstructive atherosclerotic stenoses to functional coronary vasomotor disorders. The latter comprise coronary spasm, as well as coronary microvascular dysfunction. Importantly, structural and functional abnormalities can coexist in a given patient, making it sometimes difficult to determine the underlying cause of angina. Thus, diagnostic algorithms should not only consider the evaluation of atherosclerotic epicardial disease, but also look for the presence of functional coronary disorders. This holds especially true for patients in whom obstructive coronary disease has been excluded, as many of these patients are labelled as having ‘non-cardiac chest pain’. Such an approach may enable the treating physician to adjust the pharmacological therapy more appropriately, in order to improve symptoms and prognosis. Often drug classes such as calcium channel blockers and nitrates are beneficial in these patients. This chapter gives an overview on the current pharmacological management of patients with coronary artery spasm and those suffering from microvascular angina.

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