Letter by Kohsaka et al Regarding Article, "Safety of Switching From a Vitamin K Antagonist to a Non-Vitamin K Antagonist Oral Anticoagulant in Frail Older Patients With Atrial Fibrillation: Results of the FRAIL-AF Randomized Controlled Trial"

MeSH terms

• Administration, Oral
• Aged
• Anticoagulants* / administration & dosage
• Anticoagulants* / adverse effects
• Anticoagulants* / therapeutic use
• Atrial Fibrillation* / complications
• Atrial Fibrillation* / drug therapy
• Drug Substitution
• Frail Elderly*
• Humans
• Randomized Controlled Trials as Topic
• Vitamin K* / antagonists & inhibitors