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From Myocardial Infarction with Non-Obstructive Coronary Arteries (MINOCA) to Chronic Coronary Syndrome: Clinical Diagnostic Use of Laser Doppler Flowmetry in Coronary Microvascular Dysfunction (CROSBI ID 282178)

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Selthofer-Relatić, Kristina ; Stupin, Marko ; Drenjančević, Ines ; Bošnjak, Ivica From Myocardial Infarction with Non-Obstructive Coronary Arteries (MINOCA) to Chronic Coronary Syndrome: Clinical Diagnostic Use of Laser Doppler Flowmetry in Coronary Microvascular Dysfunction // The American journal of case reports, 21 (2020), e924984-e924984. doi: 10.12659/AJCR.924984

Podaci o odgovornosti

Selthofer-Relatić, Kristina ; Stupin, Marko ; Drenjančević, Ines ; Bošnjak, Ivica

engleski

From Myocardial Infarction with Non-Obstructive Coronary Arteries (MINOCA) to Chronic Coronary Syndrome: Clinical Diagnostic Use of Laser Doppler Flowmetry in Coronary Microvascular Dysfunction

BACKGROUND: MINOCA is defined as myocardial infarction with non-obstructive coronary changes, or the absence of atherosclerotic coronary plaques (less than 50%). The long-term prognosis of these patients is as poor as for those with obstructive coronary disease. Possibilities for treatment follow-up and improvement are still lacking. This case report provides a retrospective analysis of a case of MINOCA that transformed into chronic coronary syndrome (CCS). CASE REPORT: A 40-year-old patient had acute coronary syndrome without atherosclerotic changes in the great epicardial coronary arteries, but with slow coronary flow in the left anterior descending coronary artery in 2011 and 2014. Two-dimensional transthoracic echocardiography showed no echocardiographic impairment of myocardial contractility. The comorbidities were visceral obesity, dyslipidemia, and smoking history. After the addition of a calcium channel blocker and trimetazidine to standard therapy, there were no anginal symptoms. In 2019, during a regular health check-up, contrast echocardiography showed a slow rinse of contrast in the apical and medial/distal anterolateral segment with reduced longitudinal strain in the same myocardial segments. Laser Doppler flowmetry (LDF) showed impaired microcirculatory function in the skin microcirculation. CONCLUSIONS: This case report highlights: 1) use of the non-invasive, inexpensive, and easy-to- use LDF technique for microcirculatory dysfunction confirmation ; 2) follow-up of MINOCA to CCS transition ; 3) visceral obesity as a risk factor for MINOCA and CCS ; and 4) the role of trimetazidine in CCS.

Obesity ; Abdominal ; Microcirculation ; Laser-Doppler Flowmetry ; acute coronary syndrome

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Podaci o izdanju

21

2020.

e924984-e924984

objavljeno

1941-5923

10.12659/AJCR.924984

Povezanost rada

Kliničke medicinske znanosti, Temeljne medicinske znanosti

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