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If measure blood levels of TXA is the same topical or IV then wouldn't it theoretically be the same risk? In that case why give topical over IV just give it.
The levels weren’t the same from what I recall but they were closer than I would’ve thought. I think you’re right though that risk (and benefit...) appears the same regardless of admin route. Also just FYI, as the guidelines state basically IV=topical the alternative argument of giving it all topically could be made.