Abstract
BackgroundSpontaneous coronary artery dissection (SCAD) is frequently reported as a disorder that primarily affects women without risk factors for cardiovascular disease. Although it has been recognized as one of the genetically mediated vascular disorders, the genetic pathogenesis of SCAD remains obscure to date.Case presentationIn this report, we presented a rare case of pregnancy-associated SCAD in a young woman that occurred in multiple coronary arteries within a short period. The initial conservative management and then intravascular ultrasound-guided primary percutaneous coronary intervention (PCI) were adopted to achieve optimal results of revascularization in affected coronary arteries and avoid potential risks for PCI-associated complications. We further performed the whole-exome sequencing and Sanger sequencing and, for the first time, reported a novel heterozygous missense variant, c.4574 C > T (p.Arg1438Cys), in the NOTCH1 gene. This variant has never been documented in the medical literature and was predicted as being potentially damaging or disease-causing variant.ConclusionsWe described a rare case of recurrent SCAD in a young woman after baby delivery. The initial conservative management and PCI with multiple stent implantations were successfully implemented to achieve optimal results of revascularization in coronary arteries. We, for the first time, identified a novel missense variant in the NOTCH1 gene, which appears to be a potential predisposing factor for artery fragility.
Highlights
Spontaneous coronary artery dissection (SCAD) is frequently reported as a disorder that primarily affects women without risk factors for cardiovascular disease
We described a rare case of recurrent SCAD in a young woman after baby delivery
Coronary angiogram demonstrated the SCAD in the ostium of the right coronary artery (RCA) with Thrombolysis in Myocardial Infarction (TIMI) flow 1 (Fig. 2c)
Summary
We described a rare case of recurrent SCAD in a young woman after baby delivery. The initial conservative management and PCI with multiple stent implantations were successfully implemented to achieve optimal results of revascularization in coronary arteries.
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