| Summary: | To assist decision-makers considering acquisition or optimal implementation of point-of-care (POC) international normalized ratio (INR) technology, CADTH conducted a review of the clinical evidence and performed a health economic analysis to compare POC INR testing with standard INR laboratory testing. Based on these assessments and clinical expertise, the Health Technology Expert Review Panel (HTERP) developed the following statements to provide guidance on the use of POC INR testing devices for patients on long-term (> 3 months) OAT with warfarin or other vitamin K antagonists. 1. HTERP concluded that POC devices for INR measurement represent an accurate alternative to laboratory testing.2. For patients who are willing and able to self-manage their OAT, HTERP recommends that PSM be offered.3. For patients who are unwilling or unable to self-adjust their doses of oral anticoagulation therapy, HTERP:1.1. does not recommend PSM1.2. recommends PST only when there are significant barriers to accessing laboratory testing and patients are willing and able to self-test1.3. recommends that the choice between laboratory INR testing and clinic-based POC INR testing requires careful consideration of setting-specific factors that may impact the relative costs for each strategy.4. No recommendation can be made regarding a preferred POC INR device
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