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- W4285607145 abstract "Spontaneous coronary artery dissection (SCAD) is an important cause of myocardial infarction (MI). However, the role of revascularization for SCAD according to presentation remains unclear.We analyzed patients with SCAD who presented acutely and were participating in the Canadian SCAD Cohort Study. We compared revascularization strategy and clinical outcomes (in-hospital major adverse events and major adverse cardiovascular event [MACE] including recurrent MI at 1-year) in patients with SCAD presenting with ST-elevation MI (STEMI) vs unstable angina or non-STEMI (UA-NSTEMI).Among 750 patients with SCAD (mean 51.7 ± 10.5years; 88.5% were women; median follow-up was 373 days), 234 (31.2%) presented with STEMI. More patients with SCAD-STEMI (27.8%) were treated with revascularization (98.5% percutaneous coronary intervention [PCI]) compared with 8.7% of patients with UA-NSTEMI (93.3% PCI). For patients with SCAD and STEMI, 93.9% were planned procedures vs 71.1% for UA-NSTEMI. Successful or partially successful PCI was 65.5% for STEMI and 76.9% for UA-NSTEMI (P < 0.001). In revascularized patients, 1-year MACE was not different between STEMI and UA-NSTEMI. Revascularization was associated with higher in-hospital major adverse events and its association was more prominent in UA-NSTEMI (STEMI: 26.2% vs 10.7%, P < 0.001; UA-NSTEMI: 37.8% vs 3.6%, P < 0.001). The difference in adverse events according to revascularization diminished over time and was not evident at 1 year.Despite higher in-hospital events with revascularization in patients with SCAD, and higher revascularization with SCAD-STEMI, 1-year MACE was not different compared with UA-NSTEMI. This is reassuring, as revascularization may be required for ongoing ischemia at the time of initial presentation in STEMI-SCAD, and emphasizes the need for careful patient selection for revascularization in UA-NSTEMI." @default.
- W4285607145 created "2022-07-16" @default.
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- W4285607145 date "2022-12-01" @default.
- W4285607145 modified "2023-10-17" @default.
- W4285607145 title "Differences in Revascularization Strategy and Outcomes by Clinical Presentations in Spontaneous Coronary Artery Dissection" @default.
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- W4285607145 doi "https://doi.org/10.1016/j.cjca.2022.07.008" @default.
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