Why the study?
Do point-of-care devices accurately measure PT and INR compared to clinical laboratory methods in patients on oral anticoagulant therapy?
Population
40 consecutive patients receiving oral anticoagulant therapy with documented stabilization of their INR.
Comparison
Point-of-care devices for monitoring PT/INR vs Clinical laboratory method of determining PT and…
Design
Cross-sectional
Authors
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TAS may be preferred for POC INR monitoring; leaves open whether accuracy differences affect clinical outcomes or require randomized confirmation.
Do point-of-care devices accurately measure PT and INR compared to clinical laboratory methods in patients on oral anticoagulant therapy?
The TAS point-of-care device provides more accurate INR measurements compared to Coumatrak and CoaguChek Plus, which may significantly underestimate INR and misclassify subtherapeutic anticoagulation as adequate.
Gosselin et al. (1997) studied this question.
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