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  • Hess, Paul L.Vet Affairs Eastern Colorado & Hlth Care Syst, Denver, CO USA.;Univ Colorado, Sch Med, Dept Med, Aurora, CO USA. (author)

Sudden Cardiac Death After Non-ST-Segment Elevation Acute Coronary Syndrome

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • American Medical Association (AMA),2016
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:uu-329540
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-329540URI
  • https://doi.org/10.1001/jamacardio.2015.0359DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • IMPORTANCE In the current therapeutic era, the risk for sudden cardiac death (SCD) after non-ST-segment elevation acute coronary syndrome (NSTE ACS) has not been characterized completely. OBJECTIVE To determine the cumulative incidence of SCD during long-term follow-up after NSTE ACS, to develop a risk model and risk score for SCD after NSTE ACS, and to assess the association between recurrent events after the initial ACS presentation and the risk for SCD. DESIGN, SETTING, AND PARTICIPANTS This pooled cohort analysis merged individual data from 48 286 participants in 4 trials: the Apixaban for Prevention of Acute Ischemic Events 2 (APPRAISE-2), Study of Platelet Inhibition and Patient Outcomes (PLATO), Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome (TRACER), and Targeted Platelet Inhibition to Clarify the Optimal Strategy to Medically Manage Acute Coronary Syndromes (TRILOGY ACS) trials. The cumulative incidence of SCD and cardiovascular death was examined according to time after NSTE ACS. Using competing risk and Cox proportional hazards models, clinical factors at baseline and after the index event that were associated with SCD after NSTE ACS were identified. Baseline factors were used to develop a risk model. Data were analyzed from January 2, 2014, to December 11, 2015. MAIN OUTCOMES AND MEASURES Sudden cardiac death. RESULTS Of the initial 48 286 patients, 37 555 patients were enrolled after NSTE ACS (67.4% men; 32.6% women; median [interquartile range] age, 65 [57-72] years). Among these, 2109 deaths occurred after a median follow-up of 12.1 months. Of 1640 cardiovascular deaths, 513 (31.3%) were SCD. At 6, 18, and 30 months, the cumulative incidence estimates of SCD were 0.79%, 1.65%, and 2.37%, respectively. Reduced left ventricular ejection fraction, older age, diabetes mellitus, lower estimated glomerular filtration rate, higher heart rate, prior myocardial infarction, peripheral artery disease, Asian race, male sex, and high Killip class were significantly associated with SCD. A model developed to calculate the risk for SCD in trials with systematic collection of left ventricular ejection fraction had a C index of 0.77. An integer-based score was developed from this model and yielded a calculated SCD probability ranging from 0.1% to 56.7%(C statistic, 0.75). In a multivariable model that included time-dependent clinical events occurring after the index hospitalization for ACS, SCD was associated with recurrentmyocardial infarction (hazard ratio [HR], 2.95; 95% CI, 2.29-3.80; P <.001) and any hospitalization (HR, 2.45; 95% CI, 1.98-3.03; P <.001), whereas coronary revascularization had a negative relationship with SCD (HR, 0.75; 95% CI, 0.58-0.98; P =.03). CONCLUSIONS AND RELEVANCE In the current therapeutic era, SCD accounts for about one-third of cardiovascular deaths after NSTE ACS. Risk stratification can be performed with good accuracy using commonly collected clinical variables. Clinical events occurring after the index hospitalization are underappreciated but important risk factors.

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  • Wojdyla, Daniel M.Duke Clin Res Inst, POB 3850,2400 Pratt St, Durham, NC 27705 USA. (author)
  • Al-Khatib, Sana M.Duke Univ, Duke Clin Res Inst, Sch Med, Dept Med, Durham, NC USA. (author)
  • Lokhnygina, YuliyaDuke Univ, Sch Med, Dept Biostat & Bioinformat, Durham, NC USA. (author)
  • Wallentin, Lars,1943-Uppsala universitet,Kardiologi,Uppsala kliniska forskningscentrum (UCR),Science for Life Laboratory, SciLifeLab(Swepub:uu)larswall (author)
  • Armstrong, Paul W.Univ Alberta, Div Cardiol, Edmonton, AB, Canada. (author)
  • Roe, Matthew T.Duke Univ, Duke Clin Res Inst, Sch Med, Dept Med, Durham, NC USA. (author)
  • Ohman, E. MagnusDuke Univ, Duke Clin Res Inst, Sch Med, Dept Med, Durham, NC USA. (author)
  • Harrington, Robert A.Stanford Univ, Dept Med, Stanford, CA 94305 USA. (author)
  • Alexander, John H. (author)
  • White, Harvey D.Auckland City Hosp, Green Lane Cardiovasc Serv, Auckland, New Zealand. (author)
  • Van de Werf, FransUniv Leuven, Dept Cardiol, Leuven, Belgium. (author)
  • Piccini, Jonathan P.Duke Univ, Duke Clin Res Inst, Sch Med, Dept Med, Durham, NC USA. (author)
  • Held, Claes,1956-Uppsala universitet,Uppsala kliniska forskningscentrum (UCR),Kardiologi(Swepub:uu)clahe947 (author)
  • Aylward, Philip E.Flinders Univ S Australia, South Australian Hlth & Med Res Inst, Adelaide, SA, Australia.;Med Ctr, Adelaide, SA, Australia. (author)
  • Moliterno, David J.Univ Kentucky, Gill Heart Inst, Lexington, KY USA.;Univ Kentucky, Div Cardiovasc Med, Lexington, KY USA. (author)
  • Mahaffey, Kenneth W.Stanford Univ, Dept Med, Stanford, CA 94305 USA. (author)
  • Tricoci, PierluigiDuke Clin Res Inst, POB 3850,2400 Pratt St, Durham, NC 27705 USA.;Duke Univ, Duke Clin Res Inst, Sch Med, Dept Med, Durham, NC USA. (author)
  • Vet Affairs Eastern Colorado & Hlth Care Syst, Denver, CO USA.;Univ Colorado, Sch Med, Dept Med, Aurora, CO USA.Duke Clin Res Inst, POB 3850,2400 Pratt St, Durham, NC 27705 USA. (creator_code:org_t)

Related titles

  • In:JAMA cardiology: American Medical Association (AMA)1:1, s. 73-792380-65832380-6591

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