Patients who received a test of two genes connected to warfarin sensitivity were 28 percent less likely to be hospitalized for a bleeding episode or blood clot than those whose safe and effective warfarin dosing was determined by traditional trial and error method.
The genetic tests, which are easily done with a cheek swab or blood sample, need only be performed once ever for each patient and cost somewhere between $200 and $400 - far less than even a brief hospital stay.
Warfarin Sensitivity Genotype Test - Mayo Clinic Video.
References:
Gene test can cut warfarin hospitalizations | Reuters.
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