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Comparison of Rhythm and Rate Control Strategies for Stroke Occurrence in a Prospective Cohort of Atrial Fibrillation Patients

 Yu Jeong Choi  ;  Ki Woon Kang  ;  Tae Hoon Kim  ;  Myung Jin Cha  ;  Jung Myung Lee  ;  Junbeom Park  ;  Jin Kyu Park  ;  Jaemin Shim  ;  Jae Sun Uhm  ;  Jun Kim  ;  Hyung Wook Park  ;  Eue Keun Choi  ;  Jin Bae Kim  ;  Changsoo Kim  ;  Young Soo Lee  ;  Boyoung Joung 
 YONSEI MEDICAL JOURNAL, Vol.59(2) : 258-264, 2018 
Journal Title
Issue Date
Oral Administration ; Aged ; Antithrombins/administration & dosage/therapeutic use ; Atrial Fibrillation/drug therapy/*physiopathology ; Female ; Heart Rate/*physiology ; Humans ; Kaplan-Meier Estimate ; Male ; Proportional Hazards Models ; Prospective Studies ; Stroke/drug therapy/*etiology/*physiopathology ; Treatment Outcome
Atrial fibrillation ; rate control ; rhythm control ; stroke
PURPOSE: Comparisons of rhythm and rate control strategies for stroke prevention in patients with atrial fibrillation (AF) are still inconclusive. We compared differences in clinical outcomes between the rhythm and rate control strategies. MATERIALS AND METHODS: The COmparison study of Drugs for symptom control and complication prEvention of Atrial Fibrillation (CODE-AF) registry prospectively enrolled 6000 patients who were treated for AF using real-world guideline adherence at multiple referral centers. In total, 2508 (41.8%) patients were clinically followed up for over six months. Of these, 1134 (45.2 %) patients treated by rhythm control and 1374 (54.8 %) patients treated by rate control were analyzed for clinical outcomes, including stroke and cardiovascular outcomes. RESULTS: Among all patients (age, 68+/-10 years; male, 62.4%), those treated with the rhythm control strategy were significantly younger, had more symptomatic paroxysmal AF, and a shorter AF duration, and were less likely to have diabetes, renal dysfunction, and heart failure, compared to those treated with the rate control strategy (CHA(2)DS(2)-VASc score 2.4+/-1.5 vs. 3.1+/-1.7, p<0.001). Even though oral anticoagulation was similarly prescribed in both groups, occurrence of stroke was less likely to occur in the rhythm control strategy group (0.0% vs. 0.7%, p=0.015). Multivariate Cox hazard regression showed that only age, especially more than 75 years old, were significantly correlated with the occurrence of stroke, regardless of the strategy used for treatment. CONCLUSION: In this prospective AF cohort, compared with the rate control strategy, the rhythm control strategy was associated with fewer cardiovascular events and strokes in a short-term period.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Soo(김창수) ORCID logo https://orcid.org/0000-0002-5940-5649
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
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