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Related Concept Videos

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...
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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...
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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...
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Venous 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,...
Therapeutic Drug Monitoring: Affecting Factors01:29

Therapeutic Drug Monitoring: Affecting Factors

Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
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Drug Dosage Regimen: Overview

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Related Experiment Videos

A visual medication schedule to improve anticoagulation control: a randomized, controlled trial.

Edward L Machtinger1, Frances Wang, Lay-Leng Chen

  • 1Division of General Internal Medicine, University of California, San Francisco (UCSF), USA. edward.machtinger@ucsf.edu

Joint Commission Journal on Quality and Patient Safety
|November 23, 2007
PubMed
Summary

A visual medication schedule and counseling improved warfarin control for patients with discordant understanding of their regimen. This simple strategy enhances medication safety and efficacy for at-risk individuals.

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Area of Science:

  • Pharmacology
  • Patient Safety
  • Clinical Pharmacy

Background:

  • Misunderstanding between clinicians and patients can cause medication errors and adverse outcomes, especially in anticoagulant therapy.
  • Effective communication is crucial for managing chronic conditions like those requiring warfarin.

Purpose of the Study:

  • To evaluate the effectiveness of a visual medication schedule with counseling in improving anticoagulation control.
  • To determine if the intervention's effect varies based on clinician-patient concordance regarding the warfarin regimen.

Main Methods:

  • A randomized controlled trial involving 147 chronic warfarin users.
  • Intervention group received a visual medication schedule and counseling; control group received standard care for 90 days.
  • Patients were categorized as discordant or concordant based on baseline regimen understanding.

Main Results:

  • Clinician-patient discordance was prevalent at baseline (38-42%).
  • The intervention group achieved faster anticoagulation control (median 28 days) compared to the control group (median 42 days).
  • The intervention showed a significant benefit for patients with baseline regimen discordance (median 28 vs. 49 days).

Conclusions:

  • A visual medication schedule and counseling effectively reduced the time to anticoagulation control in patients with discordant understanding of their warfarin regimen.
  • This intervention offers a simple strategy to enhance medication safety and efficacy for high-risk patients.
  • Addressing communication gaps is vital for optimizing anticoagulant therapy outcomes.