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[Drugs in atrial fibrillation]
1Klinik im Schachen, Aarau.
Abstract:
The initial therapy of atrial fibrillation is guided by the clinical symptomatology of the patient. Acute atrial fibrillation at a rapid ventricular rate is an emergency situation. Pharmacological therapy is aimed to delay atrioventricular conduction and thereby slow the ventricular rate. A new and interesting therapeutical option to induce conversion to sinus rhythm is the intravenous administration of class-Ic drugs. The conversion rate of patients with nonvalvular atrial fibrillation of recent onset is high and accounts up to 90%. Patients with atrial fibrillation have an increased incidence of ischemic stroke. Anticoagulation, i.e. administration of aspirin in patients under 70 years of age, can reduce the occurrence of cerebral ischemic event.
Insights
Acute atrial fibrillation requires immediate treatment to control rapid heart rates. Intravenous class-Ic drugs offer a highly effective option for restoring normal heart rhythm in recent-onset cases.
Area of Science:
- Cardiology
- Pharmacology
Context:
- Atrial fibrillation management requires tailored therapeutic strategies.
- Rapid ventricular rates in acute atrial fibrillation present an emergency.
Purpose:
- To explore the efficacy of intravenous class-Ic drugs for converting recent-onset atrial fibrillation to sinus rhythm.
- To review initial therapeutic approaches for atrial fibrillation based on patient symptoms.
Summary:
- Intravenous class-Ic drugs demonstrate a high conversion rate (up to 90%) in patients with recent-onset nonvalvular atrial fibrillation.
- Pharmacological therapy aims to slow ventricular rate by delaying atrioventricular conduction.
- Aspirin administration in patients under 70 can mitigate ischemic stroke risk.
Impact:
- Provides a new therapeutic option for acute atrial fibrillation conversion.
- Highlights the importance of anticoagulation in preventing stroke in atrial fibrillation patients.
- Emphasizes symptom-guided therapy for initial atrial fibrillation treatment.