Expired Study
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Rochester, Minnesota 55906


The objective of this study is to evaluate the time in therapeutic range of patients who self-test their INR compared to patients receiving the usual care. Additionally, we will evaluate the educational components and corollaries of self-testing.

Study summary:

Two hundred consecutively enrolled adults, having undergone implantation of a mechanical heart valve, will be randomized to either self-testing or usual care. Those randomized to the self-testing group will undergo self-testing instruction prior to hospital dismissal. For three months after hospital discharge, subject will record their INR results obtained by self-testing or as prescribed by their primary physician. They will then submit the record of the INR results and complete a survey.


Inclusion Criteria: - Patients that received a mechanical valve while in our hospital and are over the age of 18. Exclusion Criteria: - patients under the age of 18 - patients that have genetic clotting disorders such as Factor 5.



Primary Contact:

Principal Investigator
Hartzell V Schaff, M.D. CS
Mayo Clinic

Backup Contact:


Location Contact:

Rochester, Minnesota 55906
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: March 16, 2018

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