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Comparison Of Inappropriate Shocks And Other Health Outcomes Between Single- And Dual-Chamber Implantable Cardioverter-Defibrillators For Primary Prevention Of Sudden Cardiac Death: Results From The Cardiovascular Research Network Longitudinal Study Of Implantable Cardioverter-Defibrillators, Pamela N. Peterson, Robert T. Greenlee, Alan S. Go, David J. Magid, Andrea Cassidy-Bushrow, Romel Garcia-Montilla, Alan H. Kadish
Comparison Of Inappropriate Shocks And Other Health Outcomes Between Single- And Dual-Chamber Implantable Cardioverter-Defibrillators For Primary Prevention Of Sudden Cardiac Death: Results From The Cardiovascular Research Network Longitudinal Study Of Implantable Cardioverter-Defibrillators, Pamela N. Peterson, Robert T. Greenlee, Alan S. Go, David J. Magid, Andrea Cassidy-Bushrow, Romel Garcia-Montilla, Alan H. Kadish
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Background In US clinical practice, many patients who undergo placement of an implantable cardioverter‐defibrillator (ICD) for primary prevention of sudden cardiac death receive dual‐chamber devices. The superiority of dual‐chamber over single‐chamber devices in reducing the risk of inappropriate ICD shocks in clinical practice has not been established. The objective of this study was to compare risk of adverse outcomes, including inappropriate shocks, between single‐ and dual‐chamber ICDs for primary prevention.
Methods and Results We identified patients receiving a single‐ or dual‐chamber ICD for primary prevention who did not have an indication for pacing from 15 hospitals within 7 integrated health …