Study Objective: The Coronary Vasomotor Disorders International Study Group (COVADIS) invited leading experts to address strategies to enhance our clinical understanding of INOCA with an emphasis on the management of coronary vasomotor disorders.
Design: Under-recognition of coronary vasomotor disorders, distinguishing different presentations of angina due to vasospasm and/or abnormal microvascular vasodilatation, developing invasive/non-invasive testing and treatment protocols, integrating diagnostic protocols into cardiologists' workflow and trials to inform guideline development were identified as key knowledge gaps and will be briefly addressed in this Viewpoint article.
Setting: Virtual international meeting.
Participants: Leading international experts in ischemic heart disease with no obstructive coronary artery disease.
Interventions: None.
Main Outcome Measures: None.
Results: Topics discussed include: 1. Obstructive epicardial disease, functional vasospasm and microvascular disorders; 2. Under-recognition of coronary vasomotor disorders in clinical practice; 3. Complexity of coronary vasomotor disorders; 4. Understanding different presentations - vasospastic disease and microvascular angina; 5. Invasive/noninvasive testing and treatment protocols for vasospasm and microvascular angina assessment; 6. Treatment challenges; 7. Integrating diagnostic protocols into cardiologists' workflow; 8. The path forward to advance our approach to managing myocardial ischemia.
Conclusions: Obstructive epicardial disease, functional vasospasm and microvascular disorders often co-exist and contribute to myocardial ischemia. Under-recognition, the complexity of coronary vasomotor disorders, understanding different presentations, testing and treatment protocols, treatment challenges, and integrating diagnostic protocols into cardiologists' workflow all contribute to the path forward to advance our management of myocardial ischemia for improved patient outcomes.
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http://dx.doi.org/10.1016/j.ahjo.2021.100060 | DOI Listing |
CJC Open
December 2024
University of British Columbia, Vancouver, British Columbia, Canada.
Background: Myocardial infarction with no obstructive coronary arteries (MINOCA), and ischemia with no obstructive coronary arteries (INOCA), are female-predominant conditions; clinical trials are lacking to guide medical management for the common underlying vasomotor etiologies. Data on long-term outcomes of (M)INOCA patients following attendance at a women's heart centre (WHC) are lacking.
Methods: Women diagnosed with MINOCA (n = 51) or INOCA (n = 112) were prospectively followed for 3 years at the Leslie Diamond WHC (LDWHC) in Vancouver.
Sleep
December 2024
Department of Biomedical Sciences, University of Missouri; Columbia, MO, United States.
Study Objectives: Obstructive sleep apnea (OSA), characterized by intermittent hypoxia (IH), and is associated with increased cardiovascular mortality that may not be reduced by standard therapies. Inappropriate activation of the renin-angiotensin-aldosterone system occurs in IH, and mineralocorticoid receptor (MR) blockade has been shown to improve vascular outcomes in cardiovascular disease. Thus, we hypothesized that MR inhibition prevents coronary and renal vascular dysfunction in mice exposed to chronic IH.
View Article and Find Full Text PDFHeart
December 2024
Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Emilia-Romagna, Italy
Circ Cardiovasc Interv
December 2024
Cardiovascular Clinical Research Center, Department of Medicine, NYU Grossman School of Medicine, New York, NY (H.R.R., L.P., S.B., J.S.H.).
Background: The relationship between the extent and severity of stress-induced ischemia and the extent and severity of anatomic coronary artery disease (CAD) in patients with obstructive CAD is multifactorial and includes the intensity of stress achieved, type of testing used, presence and extent of prior infarction, collateral blood flow, plaque characteristics, microvascular disease, coronary vasomotor tone, and genetic factors. Among chronic coronary disease participants with site-determined moderate or severe ischemia, we investigated associations between ischemia severity on stress testing and the extent of CAD on coronary computed tomography angiography.
Methods: Clinically indicated stress testing included nuclear imaging, echocardiography, cardiac magnetic resonance imaging, or nonimaging exercise tolerance test.
Coron Artery Dis
December 2024
Department of Biomedical Laboratory Science, Honam University, Gwangju, Korea.
Background: Coronary artery spasm (CAS) is a cause of variant angina. However, the understanding of CAS patterns in the presence of mild-to-moderate coronary artery stenosis is limited. This study aimed to evaluate the incidence and patterns of CAS in patients with insignificant coronary artery stenosis using intracoronary acetylcholine (ACH) provocation test.
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