Why the study?
Does circumferential PV isolation maintain stable sinus rhythm and prevent chronic AF in patients with paroxysmal AF and normal left ventricular function?
Does circumferential PV isolation maintain stable sinus rhythm and prevent chronic AF in patients with paroxysmal AF and normal left ventricular function?
Circumferential PV isolation provides long-term maintenance of sinus rhythm and prevents progression to chronic AF in patients with paroxysmal AF and normal LV function.
Supports PV isolation durability in paroxysmal AF; extends observational data but leaves open randomized confirmation of progression prevention.
In patients with paroxysmal AF and normal left ventricular function, circumferential PV isolation results in stable sinus rhythm in the majority of patients, and low incidence of chronic AF was observed after ablation during up to 5 years of follow-up.
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Ouyang et al. (2010) studied this question.
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