{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T01:05:53Z","timestamp":1777943153541,"version":"3.51.4"},"reference-count":37,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2019,2,8]],"date-time":"2019-02-08T00:00:00Z","timestamp":1549584000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["PIC\/IC\/82858\/2007"],"award-info":[{"award-number":["PIC\/IC\/82858\/2007"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Stroke"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>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.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Data from two prospective community-based registers of first-ever TIA in 104,700 (1998\u20132000) and 118,232 (2009\u20132011) persons were collected using comprehensive case ascertainment methods. Incidence and stroke risk from TIA onset were compared using different inception cohorts. ABCD\n                      <jats:sup>2<\/jats:sup>\n                      was used to stratified stroke risk.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Overall, 141 patients were included in 1998\u20132000 and 174 in 2009\u20132011. Crude annual incidence rate increased from 67 to 74\/100,000 (IRR=1.12; 95% CI, 0.90\u20131.40), particularly in men under 65 years (IRR=1.79; 95% CI, 1.06\u20133.04). Male\/female IRR increased from 1.20 (0.86\u20131.68) in 1998\u20132000 to 1.77 (1.31\u20132.39) in 2009\u20132011, after adjustment for age. Better control of vascular risk factors (VRFs) accounted for lower ABCD\n                      <jats:sup>2<\/jats:sup>\n                      scores in 2009\u20132011. The 30-day stroke risk was similar in study periods (18.4% vs. 16.7%, p\u2009&gt;\u20090.7), decreasing from 16.1% to 8.2% ( p\u2009&lt;\u20090.042) excluding patients reporting TIA after stroke occurrence and from 12.2% to 4.0% ( p\u2009&lt;\u20090.011) further excluding patients who had stroke in ambulance\/hospital. ABCD\n                      <jats:sup>2<\/jats:sup>\n                      discriminated stroke risk only in 1998\u20132000; stroke severity decreased while posterior circulation stroke was more common in 2009\u20132011.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Despite a stable TIA incidence across periods, the risk increased in men compared to women. Better control of VRF accounted for lower ABCD\n                      <jats:sup>2<\/jats:sup>\n                      scores and secondary prevention reduced stroke risk. Men under 65 years emerge as a preferential target for primary and secondary prevention.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1747493019830322","type":"journal-article","created":{"date-parts":[[2019,2,8]],"date-time":"2019-02-08T10:02:54Z","timestamp":1549620174000},"page":"278-288","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Transient ischemic attack: Incidence and early risk of stroke in northern Portugal from 1998\u20132000 to 2009\u20132011"],"prefix":"10.1177","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9372-8743","authenticated-orcid":false,"given":"Rui","family":"Felgueiras","sequence":"first","affiliation":[{"name":"Servi\u00e7o de Neurologia, Hospital Santo Ant\u00f3nio\u2013Centro Hospitalar do Porto, Porto, Portugal"}]},{"given":"Rui","family":"Magalh\u00e3es","sequence":"additional","affiliation":[{"name":"Instituto de Ci\u00eancias Biom\u00e9dicas Abel Salazar, Universidade do Porto, Porto, Portugal"}]},{"given":"M\u00e1rio R","family":"Silva","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Neurologia, Hospital S\u00e3o Pedro\u2013Centro Hospitalar de Tr\u00e1s-os-Montes e Alto Douro, Real, Portugal"}]},{"given":"Maria C","family":"Silva","sequence":"additional","affiliation":[{"name":"Instituto de Ci\u00eancias Biom\u00e9dicas Abel Salazar, Universidade do Porto, Porto, Portugal"}]},{"given":"Manuel","family":"Correia","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Neurologia, Hospital Santo Ant\u00f3nio\u2013Centro Hospitalar do Porto, Porto, Portugal"},{"name":"Instituto de Ci\u00eancias Biom\u00e9dicas Abel Salazar, Universidade do Porto, Porto, Portugal"}]}],"member":"179","published-online":{"date-parts":[[2019,2,8]]},"reference":[{"key":"bibr1-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.0000195209.26543.8f"},{"key":"bibr2-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1159\/000341696"},{"key":"bibr3-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.110.612705"},{"key":"bibr4-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.111.645101"},{"key":"bibr5-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.116.014010"},{"key":"bibr6-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1159\/000447240"},{"key":"bibr7-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.116.015417"},{"key":"bibr8-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.116.013637"},{"key":"bibr9-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1159\/000097049"},{"key":"bibr10-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1159\/000484638"},{"key":"bibr11-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.31.1.9"},{"key":"bibr12-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(04)16405-2"},{"key":"bibr13-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.19.5.598"},{"key":"bibr14-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(13)61953-4"},{"key":"bibr15-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(07)70274-0"},{"key":"bibr16-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.20.3.333"},{"key":"bibr17-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1177\/1747493016669846"},{"key":"bibr18-1747493019830322","first-page":"1","volume-title":"Transient ischaemic attacks of the brain and eye","author":"Hankey GJ","year":"1994","edition":"1"},{"key":"bibr19-1747493019830322","first-page":"113","volume":"58","author":"Aho K","year":"1980","journal-title":"Bull World Health Organ"},{"key":"bibr20-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.51.11.1373"},{"key":"bibr21-1747493019830322","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.24.1.35"},{"key":"bibr22-1747493019830322","unstructured":"Revision of the European standard population. Report of Eurostat's task force\n                      . Luxembourg: Publications Office of the European Union: Eurostat European Comission, 2013."},{"key":"bibr23-1747493019830322","unstructured":"Ahmad OB, Boschi-Pinto, C, Lopez AD, et\u00a0al.\n                      Age standardization of rates: a new WHO standard. GPE discussion paper series: no 31\n                      . 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