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Management and Long-Term Prognosis of Spontaneous Coronary Artery Dissection

      The optimal management and short- and long-term prognoses of spontaneous coronary artery dissection (SCAD) remain not well defined. The aim of this observational multicenter study was to assess long-term clinical outcomes in patients with SCAD. In-hospital and long-term outcomes were assessed in 134 patients with documented SCAD, as well as the clinical impact and predictors of a conservative rather than a revascularization strategy of treatment. The mean age was 52 ± 11, years and 81% of patients were female. SCAD presented as an acute coronary syndromes in 93% of patients. A conservative strategy was performed in 58% of patients and revascularization in 42%. On multivariate analysis, distal versus proximal or mid location of dissection (odds ratio 9.27) and basal Thrombolysis In Myocardial Infarction (TIMI) flow grade 2 or 3 versus 0 or 1 (odds ratio 0.20) were independent predictors of conservative versus revascularization strategy. A conservative strategy was associated with better in-hospital outcomes compared with revascularization (rates of major adverse cardiac events 3.8% and 16.1%, respectively, p = 0.028); however, no significant differences were observed in the long-term outcomes. In conclusion, in this large observational study of patients with SCAD, angiographic features significantly influenced the treatment strategy, providing an excellent short- and long-term prognosis.
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