3 results match your criteria: "From Queen Elizabeth II Health Sciences Center and Dalhousie University[Affiliation]"

Effect of Aggressive Blood Pressure Control on the Recurrence of Atrial Fibrillation After Catheter Ablation: A Randomized, Open-Label Clinical Trial (SMAC-AF [Substrate Modification With Aggressive Blood Pressure Control]).

Circulation

May 2017

From Queen Elizabeth II Health Sciences Center and Dalhousie University, Halifax, Nova Scotia, Canada (R.P., J.L.S., C.G., M.G.); University of Ottawa Heart Institute, Ontario, Canada, (G.A.W.); Population Health Research Institute, Hamilton, Ontario, Canada (J.S.H.); Montreal Heart Institute, Quebec, Canada (J.-C.T., L.R.); Centre Hospitalier de L'Universite de Montreal, Quebec, Canada (I.G.); Centre Hospitalier Universitaire de Sherbrooke, Quebec, Canada (J.-F.R.); University of Western Ontario, London, Canada (L.G., A.S.L.T.); Institut Universitaire de Cardiologie et de Pneumologie de Quebec, Canada (I.N.); Royal Jubilee Hospital, Victoria, British Columbia, Canada (P.N.); Ottawa Heart Institute, Ontario, Canada (D.B.); University Health Network, Toronto, Ontario, Canada (A.H.); Libin Cardiovascular Institute of Alberta, Calgary, Canada (S.B.W.); and St. Michael's Hospital, Toronto, Ontario, Canada (I.M.).

Background: Radiofrequency catheter ablation for atrial fibrillation has become an important therapy for AF; however, recurrence rates remain high. We proposed to determine whether aggressive blood pressure (BP) lowering prevents recurrent atrial fibrillation (AF) after catheter ablation in patients with AF and a high symptom burden.

Methods: We randomly assigned 184 patients with AF and a BP >130/80 mm Hg to aggressive BP (target <120/80 mm Hg) or standard BP (target <140/90 mm Hg) treatment before their scheduled AF catheter ablation.

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