Abstract
Background Electrical cardioversion (EC) is a procedure that restores normal sinus rhythm in patients with atrial fibrillation (AF). Data on post-EC outcomes relative to the success of inpatient EC is limited. Methods This is a retrospective study of patients admitted for AF who underwent inpatient EC from January 1, 2017, to January 1, 2021. We collected demographics and clinical, biochemical, and echocardiographic parameters that impact the success of EC. Outcome events were 30-day readmissions and mortality. Results Our study included 54 unique patients who either had EC in the emergency room or as part of their hospital admission course for atrial fibrillation. Most patients were men with an average age of 70 years with traditional risk factors for cardiovascular disease including heart failure, coronary artery disease, and chronic kidney disease. The group who had unsuccessful cardioversion was older than those in the ineffective EC. Mortality at 30 days (p < 0.01), 1 year (p < 0.01), and 30-day readmission rate (p < 0.01) were higher in patients with unsuccessful EC. Conclusion A predictive model for successful EC remains difficult to establish. Patients with unsuccessful in-hospital EC are at high risk for mortality and readmissionat 30 days and require a comprehensive pre-discharge multidisciplinary approach and prioritized and individualized post-discharge integrated care.
Published Version
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