房颤患者服用利伐沙班服用量是多少？

(Alias: Xarelto) is mainly used to treat venous thrombosis in adults:

For the prevention of venous thrombosis (VTE) in adult patients undergoing elective hip or knee replacement surgery.

It is used to reduce the risk of stroke and systemic embolism in adult patients with non-valvular atrial fibrillation who have one or more risk factors (e.g., congestive heart failure, hypertension, age ≥75 years, diabetes, stroke or transient ischemic attack). What is the dosage of rivaroxaban for patients with atrial fibrillation?

Rivaroxaban dosage for treating atrial fibrillation:

1. Used in adult patients with non-valvular atrial fibrillation to reduce the risk of stroke and systemic embolism

The recommended dose is 20 mg once a day, which is also the maximum recommended dose. For patients with low body weight and advanced age (>75 years old), doctors can use 15 mg once a day as appropriate based on the patient's condition.

In situations where the benefits of rivaroxaban in preventing stroke and systemic embolism outweigh the risks of bleeding, long-term treatment should be considered.

2. If a missed dose occurs, the patient should take rivaroxaban immediately and continue to receive once-daily dosing the next day. The dose should not be doubled in one day to make up for a missed dose.

3. Discontinuation of medication due to surgery and other interventional treatments

If anticoagulant therapy must be discontinued to reduce the risk of bleeding during surgery or other intervention, rivaroxaban must be discontinued at least 242 hours before the intervention to reduce the risk of bleeding. Given its rapid onset of action, rivaroxaban should be reintroduced as soon as it is determined that adequate hemostasis has been achieved following surgery or other interventional procedures. If oral medications cannot be taken during or after surgical intervention, consider administering a non-oral anticoagulant.

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