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|Title:||PREVEntion and regReSsive effect of weight-loss and risk factor modification on Atrial Fibrillation: the REVERSE-AF study|
|Citation:||Europace, 2018; 20(12):1929-1935|
|Publisher:||Oxford University Press|
|Melissa E. Middeldorp, Rajeev K. Pathak, Megan Meredith, Abhinav B. Mehta, Adrian D. Elliott, Rajiv Mahajan, Darragh Twomey, Celine Gallagher, Jeroen M. L. Hendriks, Dominik Linz, R. Doug McEvoy, Walter P. Abhayaratna, Jonathan M. Kalman, Dennis H. Lau, and Prashanthan Sanders|
|Abstract:||Aims:Atrial fibrillation (AF) is a progressive disease. Obesity is associated with progression of AF. This study evaluates the impact of weight and risk factor management (RFM) on progression of the AF. Methods and results:As described in the Long-Term Effect of Goal-Directed Weight Management in an Atrial Fibrillation Cohort: A Long-Term Follow-Up (LEGACY) Study, of 1415 consecutive AF patients, 825 had body mass index ≥ 27 kg/m2 and were offered weight and RFM. After exclusion, 355 were included for analysis. Weight loss was categorized as: Group 1 (<3%), Group 2 (3-9%), and Group 3 (≥10%). Change in AF type was determined by clinical review and 7-day Holter yearly. Atrial fibrillation type was categorized as per the Heart Rhythm Society consensus. There were no differences in baseline characteristic or follow-up duration between groups (P = NS). In Group 1, 41% progressed from paroxysmal to persistent and 26% from persistent to paroxysmal or no AF. In Group 2, 32% progressed from paroxysmal to persistent and 49% reversed from persistent to paroxysmal or no AF. In Group 3, 3% progressed to persistent and 88% reversed from persistent to paroxysmal or no AF (P < 0.001). Increased weight loss was significantly associated with greater AF freedom: 45 (39%) in Group 1, 69 (67%) in Group 2, and 116 (86%) in Group 3 (P ≤ 0.001). Conclusion:Obesity is associated with progression of the AF disease. This study demonstrates the dynamic relationship between weight/risk factors and AF. Weight-loss management and RFM reverses the type and natural progression of AF.|
|Keywords:||Atrial fibrillation; obesity; risk factor management; progression; reversal|
|Rights:||Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2018.|
|Appears in Collections:||Medicine publications|
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