The investigators hypothesis is that in patients with permanent AF lenient rate control is not inferior to strict rate control in terms of cardiovascular mortality, morbidity, neurohormonal activation, NYHA class for heart failure, left ventricular function, left atrial size, quality of life and costs. Lenient rate control is defined as a resting heart rate \<110 bpm.Strict rate control is defined as a mean resting heart rate \< 80 beats per minute (bpm) and heart rate during minor exercise \< 110 bpm. Patients will be seen after 1, 2, 3 months (for titration of rate control drugs) and thereafter yearly.
Study objectives: 1. To show that lenient rate control is not inferior to strict rate control in terms of cardiovascular mortality and morbidity 2. To show that lenient rate control is not inferior to strict rate control in terms of all cause mortality, cardiovascular hospitalizations, NYHA class for exercise tolerance, left ventricular function and left atrial size, quality of life, neurohormonal activation as measured by NT-proBNP, hospitalization for heart failure, syncope, sustained ventricular tachycardia, appropriate shocks or anti-tachycardia pacing of ICD for ventricular arrhythmias, cardiac arrest, and pacemaker implantations, stroke, systemic emboli, and bleeding, unstable angina pectoris and myocardial infarction, costs and renal function
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
500
University Medical Center Groningen
Groningen, Netherlands
Cardiovascular mortality
Heart failure
Stroke
Bleeding
Syncope
Ventricular tachycardia
PM / ICD implantation
Cardiac arrest
Life-threatening adverse effects of RC drugs
All cause mortality
All cause hospitalizations
Exercise tolerance
LV function and left atrial size
Quality of life
NT-proBNP
Costs
Renal function
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