Clinical characteristics of spontaneous coronary artery dissection in young female patients with acute myocardial infarction in Korea = Clinical characteristics of spontaneous coronary artery dissection in young female patients with acute myocardial infarction in Korea

다국어 초록 (Multilingual Abstract)

Background/Aims: We aimed to evaluate the prevalence, characteristics, and clinical outcomes of spontaneous coronary artery dissection (SCAD) in young female patients with acute myocardial infarction (AMI).
Methods: We identified 8,250 patients diagnosed with AMI who underwent coronary angiogram from the Chonnam National University Hospital database, Gwangju, Korea, between November 2005 and September 2017. A total of 148 female patients aged less than 60 years with a history of AMI were retrospectively studied and the characteristics and clinical outcomes were evaluated for all SCAD patients.
Results: Among female patients with AMI aged less than 60 years, the prevalence of SCAD was 8.78% (13 of 148). Based on the angiographic classification, type 2 SCAD was most commonly observed on angiograms in 69.2% of the cases (nine of 13), followed by type 3 in 23.1% (three of 13), and type 1 in 7.7% (one of 13). Furthermore, the left anterior descending (LAD) artery was the most commonly affected coronary artery (76.9%, 10 of 13 cases) and the distal segments of the coronary arteries were the most common sites of SCAD (92.3%, 12 of 13). Regarding the clinical outcomes, one of 13 patients experienced repeat revascularization during the following 31 months.
Conclusions: The prevalence of SCAD was 8.7%, indicating that SCAD is not rare, among female patients aged less than 60 years with AMI in Korea. Type 2 SCAD was most commonly observed on angiogram. Moreover, the distal portion of the LAD was the segment most commonly affected by SCAD. The long-term clinical outcomes were favorable in patients surviving SCAD.

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