Related Experiment Videos
Rivaroxaban for thromboprophylaxis in patients undergoing major orthopedic surgery
Stephanie N Melillo1, James V Scanlon, Benjamin P Exter
1Biogen Idec/Massachusetts College of Pharmacy and Health Sciences, School of Pharmacy-Worcester-Manchester, Worcester, MA 01608, USA. stephanie.melillo@mcphs.edu
The Annals of Pharmacotherapy
|April 29, 2010
Summary
Rivaroxaban is a new agent for preventing venous thromboembolism (VTE) after major orthopedic surgery. It shows superior efficacy compared to enoxaparin with similar safety, making it a promising option for thromboprophylaxis.
Area of Science:
- Pharmacology and clinical outcomes of novel anticoagulants.
- Thromboprophylaxis in orthopedic surgery patients.
Background:
- Venous thromboembolism (VTE) is a significant risk following major orthopedic surgery.
- Current thromboprophylaxis strategies, including enoxaparin, have limitations.
Purpose of the Study:
- To review the pharmacology, pharmacokinetics, and clinical efficacy/safety of rivaroxaban.
- To inform healthcare professionals about rivaroxaban for VTE prevention in orthopedic surgery patients.
Main Methods:
- Literature search of PubMed/MEDLINE, International Pharmaceutical Abstracts, and EMBASE (1966-March 2010).
- Inclusion of all relevant studies on rivaroxaban's pharmacology, pharmacokinetics, and clinical safety/efficacy.
- Review of ongoing Phase 3 clinical trials and regulatory documents.
Main Results:
- Rivaroxaban demonstrated superior efficacy over enoxaparin for VTE prevention in total knee replacement (TKR) and total hip replacement (THR) patients.
- Composite incidence of deep vein thrombosis, pulmonary embolism, and mortality was significantly reduced with rivaroxaban.
- Bleeding events occurred at statistically similar rates between rivaroxaban and enoxaparin.
Conclusions:
- Rivaroxaban offers comparable safety and superior efficacy to enoxaparin for VTE prevention.
- Further trials will continue to assess rivaroxaban's efficacy, safety, and pharmacoeconomics.
Related Concept Videos
01:29Venous 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...
01:18Anticoagulant 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...
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...
01:30Venous Thrombosis IV: Nursing Management
Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
01:29Pulmonary 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...
01:30Anticoagulant 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...
01:23Peripheral Artery Disease V: Postoperative Nursing Management
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...