%0 Journal Article %T Adverse Outcomes Associated with Pre-Existing and New-Onset Atrial Fibrillation in Patients with Acute Coronary Syndrome: A Retrospective Cohort Study %A Chee-Jen Chang %A Chun-Li Wang %A Hsiao-Ting Juang %A Pei-Chun Chen %J Archive of "Cardiology and Therapy". %D 2019 %R 10.1007/s40119-019-0136-3 %X Flow chart indicating the process of patient selection for the study. Pre-existing AF occurred before the diagnosis of ACS and new-onset AF occurred after or at the same time of ACS diagnosis. ACS acute coronary syndrome, AF atrial fibrillation, NHIRD the National Health Insurance Research Databas %K Acute coronary syndrome %K Atrial fibrillation %K Heart failure %K Ischemic stroke %K Mortality %K Systemic embolism %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6525230/