Stockholm Myocardial Infarction with Nonobstructive Coronaries Study 3

Stockholm Myocardial Infarction with Nonobstructive Coronaries Study 3 - Pilot Study of Prevalence of Coronary Microvascular Dysfunction in Myocardial Infarction with Nonobstructive Coronary Arteries

The present pilot study will investigate the prevalence of CMD in an unselected cohort of patients with the working diagnosis MINOCA and to study if the diagnostic yield can be improved by adding adenosine to the CMR investigation. Patient will be their own controls.

Inclusion Criteria:

• a suspected diagnosis of MINOCA or takotsubo syndrome with coronary angiography without diameter stenosis ≥50%
• age 35-80 years
• reading and writing proficiency in Swedish

Exclusion Criteria:

• Claustrofobia
• Arrythmia and/or pacemaker (atrial fibrillation and AV-block I- III)
• Asthma or severe chronic obstructive lung disease
• eGFR < 30 ml/min
• spontaneous coronary artery dissection
• acute pulmonary embolism
• acute myocardial infarction type 2
• cardiomyopathy other than takotsubo syndrome
• a previous myocardial infarction due to CAD