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5-year outcomes in the FRISC-II randomised trial of an invasive versus a non-invasive strategy in non-ST-elevation acute coronary syndrome: a follow-up study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , UCR-Uppsala Clinical Research Center.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
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2006 (English)In: The Lancet, ISSN 0140-6736, E-ISSN 1474-547X, Vol. 368, no 9540, 998-1004 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The FRISC-II invasive trial compared an early invasive with a non-invasive strategy in terms of death and myocardial infarction in non-ST-elevation acute coronary syndrome. We present 5-year follow-up results, overall and in subgroups based on recommended risk stratification criteria. METHODS: In the FRISC-II trial, 2457 patients with non-ST-elevation acute coronary syndrome were randomised to early invasive strategy (coronary angiography and, if appropriate, revascularisation, within 7 days from admission) or non-invasive primarily medical strategy. Risk stratification was done on the basis of risk indicators at randomisation: age older than 65 years, male sex, diabetes mellitus, previous myocardial infarction, ST-segment depression, raised troponin concentration (>0.03 mug/L), and raised C-reactive protein or interleukin 6. Information on events after 24 months was taken from national registries. Analyses were done on an intention-to-treat basis. FINDINGS: At 5 years the groups differed in terms of the primary composite endpoint of death, myocardial infarction, or both (invasive 217, 19.9 %; noninvasive 270, 24.5 %; risk ratio 0.81; 95% CI 0.69-0.95; p=0.009). 5-year mortality was 117 (9.7%) in the invasive group compared with 124 (10.1%) in the noninvasive group (0.95; 0.75 -1.21; p=0.693). Rates of myocardial infarction were 141 (12.9 %) in the invasive and 195 (17.7%) in the non-invasive group (0.73; 0.60-0.89; p=0.002). The benefit of the invasive strategy was confined to male patients, non-smokers, and patients with two or more risk indicators. INTERPRETATION: The 5-year outcome of this trial indicates sustained benefit of an early invasive strategy in patients with non-ST-elevation acute coronary syndrome at moderate to high risk.

Place, publisher, year, edition, pages
2006. Vol. 368, no 9540, 998-1004 p.
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Medical and Health Sciences
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URN: urn:nbn:se:uu:diva-23863DOI: 10.1016/S0140-6736(06)69416-6ISI: 000240698700028PubMedID: 16980115OAI: oai:DiVA.org:uu-23863DiVA: diva2:51637
Available from: 2007-02-28 Created: 2007-02-28 Last updated: 2017-12-07Bibliographically approved

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Lagerqvist, BoStåhle, ElisabethWallentin, Lars

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