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Haemodynamic change...
Haemodynamic changes after atrial fibrillation initiation in patients eligible for catheter ablation: a randomized controlled study
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- Almroth, Henrik (författare)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för diagnostik och specialistmedicin,Region Östergötland, Kardiologiska kliniken US
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- Karlsson, Lars O (författare)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för diagnostik och specialistmedicin,Region Östergötland, Kardiologiska kliniken US
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- Carlhäll, Carl-Johan, 1973- (författare)
- Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Region Östergötland, Fysiologiska kliniken US
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- Charitakis, Emmanouil, 1982- (författare)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för diagnostik och specialistmedicin,Region Östergötland, Kardiologiska kliniken US
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(creator_code:org_t)
- Oxford University Press, 2023
- 2023
- Engelska.
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Ingår i: European Heart Journal Open. - : Oxford University Press. - 2752-4191. ; 3:6
- Relaterad länk:
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https://doi.org/10.1...
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- AbstractAims: Atrial fibrillation (AF) haemodynamics is less well studied due to challenges explained by the nature of AF. Until now, no randomized data are available. This study evaluates haemodynamic variables after AF induction in a randomized setting.Methods and results: Forty-two patients with AF who had been referred for ablation to the University Hospital, Linköping, Sweden, and had no arrhythmias during the 4-day screening period were randomized to AF induction vs. control (2:1). Atrial fibrillation was induced by burst pacing after baseline intracardiac pressure measurements. Pressure changes in the right and left atrium (RA and LA), right ventricle (RV), and systolic and diastolic blood pressures (SBP and DBP) were evaluated 30 min after AF induction compared with the control group. A total of 11 women and 31 men (median age 60) with similar baseline characteristics were included (intervention n = 27, control group n = 15). After 30 min in AF, the RV end-diastolic pressure (RVEDP) and RV systolic pressure (RVSP) significantly reduced compared with baseline and between randomization groups (RVEDP: P = 0.016; RVSP: P = 0.001). Atrial fibrillation induction increased DBP in the intervention group compared with the control group (P = 0.02), unlike reactions in SBP (P = 0.178). Right atrium and LA mean pressure (RAm and LAm) responses did not differ significantly between the groups (RAm: P = 0.307; LAm: P = 0.784).Conclusion: Induced AF increased DBP and decreased RVEDP and RVSP. Our results allow us to understand some paroxysmal AF haemodynamics, which provides a haemodynamic rationale to support rhythm regulatory strategies to improve symptoms and outcomes.Trial registration number clinicaltrialsgov: No NCT01553045. https://clinicaltrials.gov/ct2/show/NCT01553045?term=NCT01553045&rank=1.
Ämnesord
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
Nyckelord
- Atrial fibrillation; Haemodynamics; Radiofrequency ablation; Randomized controlled study
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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