Related Experiment Video

Updated: Jun 6, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Stroke prevention treatment of patients with atrial fibrillation: old and new

Simerpreet Bal1, Pawan Ojha, Michael D Hill

  • 1Departments of Clinical Neurosciences, Calgary Stroke Program, Faculty of Medicine, University of Calgary, Calgary, AB, Canada.

Current Neurology and Neuroscience Reports
|November 19, 2010
PubMed

Insights

Atrial fibrillation increases stroke risk globally. New anticoagulants offer improved stroke prevention, but management strategies require further development for optimal patient outcomes.

Area of Science:

  • Cardiology
  • Neurology
  • Pharmacology

Background:

  • Atrial fibrillation is a leading cause of cardioembolic ischemic stroke.
  • The global prevalence of atrial fibrillation is increasing.
  • Current stroke prevention relies on anticoagulants, with vitamin K antagonists being a traditional option.

Purpose of the Study:

  • To review advancements in anticoagulant therapy for stroke prevention in atrial fibrillation.
  • To highlight the emergence of novel anticoagulants with potentially superior properties.
  • To identify unresolved issues in managing stroke prevention during acute and chronic anticoagulant therapy.

Main Methods:

  • Literature review of recent studies on anticoagulation and stroke prevention in atrial fibrillation.
  • Analysis of clinical trial data for new anticoagulant medications.
  • Discussion of current guidelines and clinical challenges in stroke risk management.

Main Results:

  • Novel anticoagulant medications are demonstrating improved efficacy and safety profiles compared to vitamin K antagonists.
  • These new agents represent a significant advancement in chronic therapy for stroke prevention.
  • Despite progress, challenges remain in optimizing treatment protocols and patient management post-stroke.

Conclusions:

  • Newer anticoagulants hold significant promise for enhancing stroke prevention in atrial fibrillation patients.
  • Further research and clinical consensus are needed to address remaining management complexities.
  • Optimizing anticoagulant therapy is crucial for reducing the burden of cardioembolic stroke.

More Related Videos

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Related Concept Videos

Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...