thromboxane metabolites in urine (AspirinCheck, AspirinWorks)

Introduction

Measures metabolite of thromboxane A2 in urine.

Indications

• aspirin resistance

Interpretation

• a high level may indicate that aspirin is not preventing thromboxane synthesis
• the caveat is some uncertainty regarding the sources of thromboxane & that these test have not been well standardized or withstood the test of clinical trials

More general terms

• urine chemistry test