Why the study?
Although a decline in TIA incidence might mirror stroke trends, factors like patient awareness, improved diagnostics, and changing vascular disease severity may increase incidence, prompting an assessment of changes in TIA incidence and early stroke risk in Portugal.
Secondary prevention has reduced 30-day stroke risk following TIA, highlighting men under 65 as a key target for ongoing prevention efforts.
Supports secondary prevention benefits post-TIA; extends temporal stroke trend data but remains hypothesis-generating.
OBJECTIVE: A decline in TIA incidence would be expected mirroring stroke trends, but patient's awareness of symptoms/signs, improved diagnostic procedures and changes in severity of vascular disease may raise TIA incidence. We aimed to estimate changes in TIA incidence and 30-day stroke risk in Portugal. METHODS: was used to stratified stroke risk. RESULTS: discriminated stroke risk only in 1998-2000; stroke severity decreased while posterior circulation stroke was more common in 2009-2011. CONCLUSION: scores and secondary prevention reduced stroke risk. Men under 65 years emerge as a preferential target for primary and secondary prevention.
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Felgueiras et al. (2019) studied this question.
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