Vernakalant hydrochloride for the rapid conversion of atrial fibrillation after cardiac surgery: a randomized, double-blind, placebo-controlled trial

  • Kowey P
  • Dorian P
  • Mitchell L
 et al. 
  • 4

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Abstract

BACKGROUND: Postoperative atrial arrhythmias are common and are associated with considerable morbidity. This study was designed to evaluate the efficacy and safety of vernakalant for the conversion of atrial fibrillation (AF) or atrial flutter (AFL) after cardiac surgery. METHODS AND RESULTS: This was a prospective, randomized, double-blind, placebo-controlled trial of vernakalant for the conversion of AF or AFL after coronary artery bypass graft, valvular surgery, or both. Patients were randomly assigned 2:1 to receive a 10-minute infusion of 3 mg/kg vernakalant or placebo. If AF or AFL was present after a 15-minute observation period, then a second 10-minute infusion of 2 mg/kg vernakalant or placebo was given. The primary end point was the conversion of postcardiac surgery AF or AFL to sinus rhythm within 90 minutes of dosing. In patients with AF, 47 of 100 (47%) who received vernakalant converted to SR compared with 7 of 50 (14%) patients who received placebo (P

Author-supplied keywords

  • Aged
  • Anisoles/*administration & dosage/adverse effects
  • Anti-Arrhythmia Agents/*administration & dosage/ad
  • Argentina
  • Atrial Fibrillation/*drug therapy/etiology/physiop
  • Atrial Flutter/*drug therapy/etiology/physiopathol
  • Coronary Artery Bypass/*adverse effects
  • Double-Blind Method
  • Electrocardiography
  • Europe
  • Female
  • Heart Valve Prosthesis Implantation/*adverse effec
  • Humans
  • India
  • Infusions, Intravenous
  • Male
  • Middle Aged
  • North America
  • Prospective Studies
  • Pyrrolidines/*administration & dosage/adverse effe
  • Time Factors
  • Treatment Outcome

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Authors

  • P R Kowey

  • P Dorian

  • L B Mitchell

  • C M Pratt

  • D Roy

  • P J Schwartz

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