Spectrum of Non-Obstructive Coronary Artery Disease and Its Relationship with Atrial Fibrillation

Author:

Oancea Alexandru-Florinel12ORCID,Morariu Paula12,Buburuz Ana12,Miftode Ionela-Larisa34ORCID,Miftode Radu12,Mitu Ovidiu12ORCID,Jigoranu Alexandru12ORCID,Floria Diana-Elena12,Timpau Amalia12,Vata Andrei34ORCID,Plesca Claudia34,Botnariu Gina25,Burlacu Alexandru16ORCID,Scripcariu Dragos-Viorel17,Raluca Mitea8,Cuciureanu Magdalena9ORCID,Tanase Daniela12ORCID,Costache-Enache Irina12,Floria Mariana12ORCID

Affiliation:

1. Department of Internal Medicine I, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania

2. Saint Spiridon Emergency Hospital, 700115 Iasi, Romania

3. Department of Internal Medicine II, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania

4. St Parascheva Clinical Hospital of Infectious Diseases, 700116 Iasi, Romania

5. Unit of Diabetes, Nutrition and Metabolic Diseases, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania

6. Cardiovascular Disease Institute, 700503 Iasi, Romania

7. Regional Institute of Oncology, 700483 Iasi, Romania

8. Faculty of Medicine Victor Papilian, University of Lucian Blaga, 550169 Sibiu, Romania

9. Department of Pharmacology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania

Abstract

This article aims to analyze the relationship between non-obstructive coronary artery disease (NOCAD) and atrial fibrillation (AF), exploring the underlying pathophysiological mechanisms and implications for clinical management. NOCAD and AF are prevalent cardiovascular conditions that often coexist, yet their interrelation is not well understood. NOCAD can lead to ischemic necrosis of cardiomyocytes and their replacement with fibrous tissue, sustaining focal ectopic activity in atrial myocardium. Atrial fibrillation, on the other hand, the most common sustained cardiac arrhythmia, is able to accelerate atherosclerosis and increase oxygen consumption in the myocardium, creating a mismatch between supply and demand, and thus promoting the development or worsening of coronary ischemia. Therefore, NOCAD and AF seem to be a complex interplay with one begets another.

Publisher

MDPI AG

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