The NCDR Left Atrial Appendage Occlusion Registry |
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Institution: | 1. Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut;2. Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, New Haven, Connecticut;3. Division of Cardiology, University of Colorado School of Medicine, Denver, Colorado;4. Division of Cardiovascular Diseases, Scripps Clinic, La Jolla, California;5. Division of Cardiology, New York Presbyterian Queens, Weill Cornell Medical College, New York, New York;6. Department of Cardiovascular Disease, Mayo Clinic, Jacksonville, Florida;7. Division of Cardiovascular Medicine, Palo Alto Medical Foundation, El Camino Hospital, Mountain View, California;8. Division of Cardiovascular Medicine, Rush University Medical Center, Chicago, Illinois;9. Center for Structural and Congenital Heart Disease, Hackensack University Medical Center, Hackensack, New Jersey;10. American College of Cardiology Foundation, Washington, DC |
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Abstract: | BackgroundLeft atrial appendage occlusion (LAAO) to prevent stroke in patients with atrial fibrillation has been evaluated in 2 randomized trials; post-approval clinical data are limited.ObjectivesThe purpose of this study was to describe the National Cardiovascular Data Registry (NCDR) LAAO Registry and present patient, hospital, and physician characteristics and in-hospital adverse event rates for Watchman procedures in the United States during its first 3 years.MethodsThe authors describe the LAAO Registry structure and governance, the outcome adjudication processes, and the data quality and collection processes. They characterize the patient population, performing hospitals, and in-hospital adverse event rates.ResultsA total of 38,158 procedures from 495 hospitals performed by 1,318 physicians in the United States were included between January 2016 and December 2018. The mean patient age was 76.1 ± 8.1 years, the mean CHA2DS2-VASc (congestive heart failure, hypertension, 65 years of age and older, diabetes mellitus, previous stroke or transient ischemic attack, vascular disease, 65 to 74 years of age, female) score was 4.6 ± 1.5, and the mean HAS-BLED (hypertension, abnormal renal/liver function, stroke, bleeding history or predisposition, labile international normalized ratio, elderly, drugs/alcohol concomitantly) score was 3.0 ± 1.1. The median annual number of LAAO procedures performed for hospitals was 30 (interquartile range: 18 to 44) and for physicians was 12 (interquartile range: 8 to 20). Procedures were canceled or aborted in 7% of cases; among cases in which a device was deployed, 98.1% were implanted with <5-mm leak. Major in-hospital adverse events occurred in 2.16% of patients; the most common complications were pericardial effusion requiring intervention (1.39%) and major bleeding (1.25%), whereas stroke (0.17%) and death (0.19%) were rare.ConclusionsThe LAAO Registry has enrolled >38,000 patients implanted with the device. Patients were generally older with more comorbidities than those enrolled in the pivotal trials; however, major in-hospital adverse event rates were lower than reported in those trials. |
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Keywords: | atrial fibrillation bleeding hospital volume left atrial appendage occlusion registry stroke ACC"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"American College of Cardiology AF"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"atrial fibrillation CEC"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "_":"clinical events committee CMS"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"Centers of Medicare and Medicaid Services FDA"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"U S Food and Drug Administration IQR"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"interquartile range LAAO"} {"#name":"keyword" "$":{"id":"kwrd0105"} "$$":[{"#name":"text" "_":"left atrial appendage occlusion NCDR"} {"#name":"keyword" "$":{"id":"kwrd0115"} "$$":[{"#name":"text" "_":"National Cardiovascular Data Registry SCAI"} {"#name":"keyword" "$":{"id":"kwrd0125"} "$$":[{"#name":"text" "_":"Society for Coronary Angiography and Interventions |
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