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Indolfi C, Polimeni A, Mongiardo A, et al. Old unsolved problems: when and how to treat silent ischaemia. Eur Heart J Suppl. 2020;22:L82-L85doi: 10.1093/eurheartj/suaa141.
Indolfi, C., Polimeni, A., Mongiardo, A., De Rosa, S., & Spaccarotella, C. (2020). Old unsolved problems: when and how to treat silent ischaemia. European heart journal supplements : journal of the European Society of Cardiology, 22L82-L85. https://doi.org/10.1093/eurheartj/suaa141
Indolfi, Ciro, et al. "Old unsolved problems: when and how to treat silent ischaemia." European heart journal supplements : journal of the European Society of Cardiology vol. 22 (2020): L82-L85. doi: https://doi.org/10.1093/eurheartj/suaa141
Indolfi C, Polimeni A, Mongiardo A, De Rosa S, Spaccarotella C. Old unsolved problems: when and how to treat silent ischaemia. Eur Heart J Suppl. 2020 Nov 18;22:L82-L85. doi: 10.1093/eurheartj/suaa141. eCollection 2020 Nov. PMID: 33654471; PMCID: PMC7904061.
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Eur Heart J Suppl. 2020 Nov 18;22:L82-L85. doi: 10.1093/eurheartj/suaa141. eCollection 2020 Nov.

Old unsolved problems: when and how to treat silent ischaemia.

European heart journal supplements : journal of the European Society of Cardiology

Ciro Indolfi, Alberto Polimeni, Annalisa Mongiardo, Salvatore De Rosa, Carmen Spaccarotella

Affiliations

  1. Divisione di Cardiologia, Università degli Studi "Magna Graecia", Catanzaro, Italy.

PMID: 33654471 PMCID: PMC7904061 DOI: 10.1093/eurheartj/suaa141

Abstract

Silent myocardial ischaemia (SMI) is defined as objective evidence of ischaemia without angina (or equivalent symptoms) in the presence of coronary artery disease, differing from silent coronary artery disease. Silent myocardial ischaemia represents the majority of episodes of myocardial ischaemia at Holter monitoring. During transient myocardial ischaemia, the symptoms appear after the contraction anomalies of the left ventricle and after the ECG changes. The cause of silent myocardial ischaemia is still not well established. The severity and duration of ischaemia have been theorized as important elements in the SMI mechanism. Another possible mechanism responsible for SMI is represented by changes in the perception of painful stimuli with an increased pain threshold. Finally, a neuronal dysfunction of the diabetic, in post-infarction or a cardiac neuronal 'stunning' could play a role in SMI. In the pre-stent era, the SMI was associated with a worse prognosis. In patients with diabetes mellitus, SMI seems to be more represented because autonomic dysfunction is present in this category of patients. In conclusion, SMI is more frequent than symptomatic ischaemia. However, despite the presence of countless studies on the subject, it is not clear today whether medical therapy has equalized the risk and what the real prognosis of SMI is.

Published on behalf of the European Society of Cardiology. © The Author(s) 2020.

Keywords: Silent ischaemia; Transient myocardial ischaemia

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