{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,4]],"date-time":"2026-04-04T20:02:07Z","timestamp":1775332927253,"version":"3.50.1"},"reference-count":32,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2018,1,9]]},"abstract":"<jats:sec xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">Thrombus aspiration is still being used in a substantial number of patients despite 2 large randomized clinical trials showing no favorable effect of routine thrombus aspiration during primary percutaneous coronary intervention in patients with ST\u2010segment\u2013elevation myocardial infarction. The aim of this observational study was to evaluate the impact of thrombus aspiration on mortality, stent thrombosis, and stroke using all available data from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Methods and Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              We identified 42\u00a0829 consecutive patients registered in SCAAR between January 2005 and September 2014 who underwent percutaneous coronary intervention for ST\u2010segment\u2013elevation myocardial infarction. Thrombus aspiration was used in 25% of the procedures. We used instrumental variable analysis with administrative healthcare region as the treatment\u2010preference instrumental variable to evaluate the effect of thrombus aspiration on mortality, stent thrombosis, and stroke. Thrombus aspiration was not associated with mortality at 30 days (risk reduction: \u22121.2; 95% confidence interval [CI], \u22125.4 to 3.0;\n              <jats:italic>P<\/jats:italic>\n              =0.57) and 1 year (risk reduction: \u22122.4; 95% CI, \u22127.6 to 3.0;\n              <jats:italic>P<\/jats:italic>\n              =0.37). Thrombus aspiration was associated with a lower risk of stent thrombosis both at 30 days (risk reduction: \u22122.7; 95% CI, \u22124.1 to \u22121.4;\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001) and 1 year (risk reduction: \u22123.5; 95% CI, \u22125.3 to \u22121.7;\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001). In\u2010hospital stroke and neurologic complications did not differ between groups (risk reduction: 0.1; 95% CI, \u22120.8 to 1.1;\n              <jats:italic>P<\/jats:italic>\n              =0.76).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p xml:lang=\"en\">Mortality was not different between the groups. Thrombus aspiration was associated with decreased risk of stent\u00a0thrombosis. Our study provides important evidence for the external validity of previous randomized studies regarding mortality.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.117.007680","type":"journal-article","created":{"date-parts":[[2018,1,10]],"date-time":"2018-01-10T01:11:37Z","timestamp":1515546697000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":17,"title":["Impact of Thrombus Aspiration on Mortality, Stent Thrombosis, and Stroke in Patients With ST\u2010Segment\u2013Elevation Myocardial Infarction: A Report From the Swedish Coronary Angiography and Angioplasty Registry"],"prefix":"10.1161","volume":"7","author":[{"given":"Oskar","family":"Anger\u00e5s","sequence":"first","affiliation":[{"name":"Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden"},{"name":"Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, 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