Tag: MINOCA

Research

ANOCA/INOCA/MINOCA: Open artery ischemia

Ischemic heart disease continues to represent a major health threat for death, disability, and poor quality of life as it also consumes enormous health-related resources. For over a century, the major clinical phenotype was taken to be obstructive atherosclerosis involving the larger coronary arteries (e.g., coronary artery disease [CAD]). However, evolving evidence now indicates that nonobstructive CAD is the predominant phenotype.

Patients within this phenotype have been termed to have angina with no obstructive CAD (ANOCA), ischemia with no obstructive CAD (INOCA), or myocardial infarction with no obstructive coronary arteries (MINOCA). But as methods to assess cardiomyocyte injury evolve, these phenotypic distinctions have begun to merge, raising concern about their usefulness.

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Research

What an Interventionalist Needs to Know About MI with Non-obstructive...

MI with non-obstructive coronary arteries (MINOCA) is caused by a heterogeneous group of vascular or myocardial disorders. MINOCA occurs in 5–15% of patients presenting with acute ST-segment elevation MI or non-ST segment elevation MI and prognosis is impaired.

The diagnosis of MINOCA is made during coronary angiography following acute MI, where there is no stenosis ≥50% present in an infarct-related epicardial artery and no overt systemic aetiology for the presentation. Accurate diagnosis and subsequent management require the appropriate utilisation of intravascular imaging, coronary function testing and subsequent imaging to assess for myocardial disorders without coronary involvement.

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Research

Interplay Between Myocardial Bridging and Coronary Spasm in Patients With...

Myocardial bridging (MB) may represent a cause of myocardial ischemia in patients with non‐obstructive coronary artery disease (NOCAD). Herein, we assessed the interplay between MB and coronary vasomotor disorders, also evaluating their prognostic relevance in patients with myocardial infarction and non‐obstructive coronary arteries (MINOCA) or stable NOCAD.

We prospectively enrolled patients with NOCAD undergoing intracoronary acetylcholine provocative test. The incidence of major adverse cardiac events, defined as the composite of cardiac death, non‐fatal myocardial infarction, and rehospitalization for unstable angina, was assessed at follow‐up.

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Research

Assessment of Vascular Dysfunction in Patients Without Obstructive Coronary Artery...

Ischemic heart disease secondary to coronary vascular dysfunction causes angina and impairs quality of life and prognosis. About one-half of patients with symptoms and signs of ischemia turn out not to have obstructive coronary artery disease, and coronary vascular dysfunction may be relevant.

Adjunctive tests of coronary vasomotion include guidewire-based techniques with adenosine and reactivity testing, typically by intracoronary infusion of acetylcholine. The CorMicA (Coronary Microvascular Angina) trial provided evidence that routine management guided by an interventional diagnostic procedure and stratified therapy improves angina and quality of life in patients with angina but no obstructive coronary artery disease.

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Around The World

Real Patient Stories

Lynn’s story

I had my first spasm when I was just a young child and continued for almost 50 years with no diagnosis. I always assumed everybody had flushing feelings throughout their body, and hot flashes accompanied by chest pain.

It wasn’t until I was walking my dogs with my sister, one day, and we were going up a steep incline and I couldn’t keep up. I asked her if she felt chest pains when she walked up hills. She looked at me like I was crazy and told me: No!

I then realized something might be wrong with me.

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Dima’s story

March 3rd, 2021 was the day that changed everything. At 55, I had a busy counselling practice and a few other projects on the go. The pandemic was causing anxiety for many of my clients and in my private life. I had a lot of stress of my own: there were safety issues in the building where I lived, and I was looking for a new apartment. Despite this, I thought I was handling it well. I was fairly healthy, I walked daily, ate well, meditated and didn’t smoke or drink.

I started to experience heavy fatigue towards the end of 2020 but told myself it was normal considering all that was going on in the world.

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MaryAnn’s story

When I was 39, with zero risk factors for heart disease, I had all the classic symptoms associated with a heart attack. My doctors put me on three blood thinners to dissolve a clot in a minor artery seen in an angiogram. The next day, while the original clot had dissolved, I had a clot in a larger artery. Baffled, the cardiologists put in a stent. As they backed the scope out of the artery, it spasmed in another location.

At that time, I had a 4-year-old, an 8-year-old, and a 12-year-old. My husband traveled extensively for work. I asked myself two questions: 1) How do I feel about dying at age 39? 2) If I don’t die, how do I live?

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