When is it useful to do an MRA and CA to evaluate peripheral arteries?
It may be useful to do both when following circumstances apply:
- A patient has had CA and this test was unable to identify a viable run-off vessel for bypass. When exploratory surgery is not believed to be a reasonable medical course of action for this patient, MRA may be performed to identify the viable runoff vessel; or
- A patient has had MRA, but the results are inconclusive.
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