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A Randomized Invasi...
A Randomized Invasive Cardiac Electrophysiology Study of the Combined Ion Channel Blocker AZD1305 in Patients After Catheter Ablation of Atrial Flutter
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- Toivonen, Lauri (författare)
- University Cent Hospital, Helsinki
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- Raatikainen, Pekka (författare)
- Tampere University Hospital
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- Walfridsson, Håkan (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Kardiologi,Hälsouniversitetet,Kardiologiska kliniken
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- Englund, Anders (författare)
- Örebro University Hospital
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- Hegbom, Finn (författare)
- Oslo University Hospital Ulleval
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- Anfinsen, Ole-Gunnar (författare)
- University of Oslo
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- Gjesdal, Knut (författare)
- Oslo University Hospital Ulleval
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- Pehrson, Steen (författare)
- Rigshospital, Copenhagen
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- Johansson, Susanne (författare)
- AstraZeneca Research and Development
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- Frison, Lars (författare)
- AstraZeneca Research and Development
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- R Berggren, Anders (författare)
- AstraZeneca Research and Development
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- Edvardsson, Nils, 1942 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine,Sahlgrens University Hospital
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(creator_code:org_t)
- Raven Press Publishers, 2010
- 2010
- Engelska.
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Ingår i: JOURNAL OF CARDIOVASCULAR PHARMACOLOGY. - : Raven Press Publishers. - 0160-2446 .- 1533-4023. ; 56:3, s. 300-308
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://gup.ub.gu.se...
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Abstract
Ämnesord
Stäng
- Background: This study assessed the cardiac electrophysiological and hemodynamic effects of an intravenous infusion of the combined ion channel blocker AZD1305. Methods: After successful ablation of atrial flutter, patients were randomized to receive placebo (n = 12) or AZD1305 (n = 38) in 4 ascending dose groups. Electrophysiological and hemodynamic measurements were performed before and commencing 20 minutes after start of infusion. Results: Left atrial effective refractory period increased dose and the primary outcome measure increased dose and plasma concentration dependently, with a mean increase of 55 milliseconds in dose group 3. There was a corresponding increase in right atrial effective refractory period of 84 milliseconds. The right ventricular effective refractory period and the paced QT interval also increased dose and concentration dependently, by 59 and 70 milliseconds, respectively, in dose group 3. There were indications of moderate increases of atrial, atrioventricular nodal, and ventricular conduction times. No consistent changes in intracardiac pressures were observed, but there was a small transient decrease in systolic blood pressure. Adverse events were consistent with the study population and procedure, and there were no signs of proarrhythmia despite marked delay in ventricular repolarization in some individuals. Conclusions: AZD1305 shows electrophysiological characteristics indicative of potential antiarrhythmic efficacy in atrial fibrillation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- AZD1305
- atrial fibrillation
- antiarrhythmic
- cardiac electrophysiology
- QT
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Toivonen, Lauri
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Raatikainen, Pek ...
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Walfridsson, Håk ...
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Englund, Anders
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Hegbom, Finn
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Anfinsen, Ole-Gu ...
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visa fler...
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Gjesdal, Knut
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Pehrson, Steen
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Johansson, Susan ...
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Frison, Lars
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R Berggren, Ande ...
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Edvardsson, Nils ...
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Linköpings universitet
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