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Sökning: WFRF:(Pocock Stuart J.) > De Winter Robbert J.

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2.
  • Damman, Peter, et al. (författare)
  • Long-Term Cardiovascular Mortality after Procedure-Related or Spontaneous Myocardial Infarction in Patients with Non-ST-Segment Elevation Acute Coronary Syndrome : A Collaborative Analysis of Individual Patient Data from the FRISC II, ICTUS, and RITA-3 Trials (FIR)
  • 2012
  • Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 125:4, s. 568-576
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: To investigate the long-term prognostic impact of procedure-related and spontaneous myocardial infarction (MI) on cardiovascular mortality in patients with non-ST-elevation acute coronary syndrome (NSTE-ACS). METHODS AND RESULTS: Five-year follow-up after procedure-related or spontaneous MI was investigated in the individual patient-pooled dataset of the FRISC-II, ICTUS and RITA-3 (FIR) NSTE-ACS trials. The principal outcome was cardiovascular death up to 5 years of follow-up. Cumulative event rates were estimated with the Kaplan-Meier method, hazard ratios (HR) were calculated with time-dependent Cox proportional-hazards models. Adjustments were made for the variables associated with long-term outcomes. Of the 5467 patients, 212 endured a procedure-related MI within 6 months after enrolment. A spontaneous MI occurred in 236 patients within 6 months. The cumulative cardiovascular death rate was 5.2% in patients who endured a procedure-related MI and comparable to patients without a procedure-related MI (HR 0.66, 95%CI: 0.36-1.20, P=0.17). In patients who endured a spontaneous MI within 6 months, the cumulative cardiovascular death rate was 22.2% and higher than patients without a spontaneous MI (HR 4.52, 95%CI: 3.37-6.06, P<0.001). These HRs did not materially alter after risk adjustments. CONCLUSIONS: Five-year follow-up of NSTE-ACS patients from the three FIR trials showed no association between a procedure-related MI and long-term cardiovascular mortality. In contrast there was a substantially raised long-term mortality after a spontaneous MI.
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3.
  • Damman, Peter, et al. (författare)
  • Timing of Angiography With a Routine Invasive Strategy and Long-Term Outcomes in Non-ST-Segment Elevation Acute Coronary Syndrome : A Collaborative Analysis of Individual Patient Data From the FRISC II (Fragmin and Fast Revascularization During Instability in Coronary Artery Disease), ICTUS (Invasive Versus Conservative Treatment in Unstable Coronary Syndromes), and RITA-3 (Intervention Versus Conservative Treatment Strategy in Patients With Unstable Angina or Non-ST Elevation Myocardial Infarction) Trials
  • 2012
  • Ingår i: JACC: Cardiovascular Interventions. - : Elsevier BV. - 1936-8798. ; 5:2, s. 191-199
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: This study sought to investigate long-term outcomes after early or delayed angiography in patients with non-ST-segment elevation acute coronary syndrome (nSTE-ACS) undergoing a routine invasive management. Background The optimal timing of angiography in patients with nSTE-ACS is currently a topic for debate.Methods: Long-term follow-up after early (within 2 days) angiography versus delayed (within 3 to 5 days) angiography was investigated in the FRISC-II (Fragmin and Fast Revascularization During Instability in Coronary Artery Disease), ICTUS (Invasive Versus Conservative Treatment in Unstable Coronary Syndromes), and RITA-3 (Intervention Versus Conservative Treatment Strategy in Patients With Unstable Angina or Non-ST Elevation Myocardial Infarction) (FIR) nSTE-ACS patient-pooled database. The main outcome was cardiovascular death or myocardial infarction up to 5-year follow-up. Hazard ratios (HR) were calculated with Cox regression models. Adjustments were made for the FIR risk score, study, and the propensity of receiving early angiography using inverse probability weighting.Results: Of 2,721 patients originally randomized to the routine invasive arm, consisting of routine angiography and subsequent revascularization if suitable, 975 underwent early angiography and 1,141 delayed angiography. No difference was observed in 5-year cardiovascular death or myocardial infarction in unadjusted (HR: 1.06, 95% confidence interval [CI]: 0.79 to 1.42, p = 0.61) and adjusted (HR: 0.93, 95% CI: 0.75 to 1.16, p = 0.54) Cox regression models.Conclusions: In the FIR database of patients presenting with nSTE-ACS, the timing of angiography was not related to long-term cardiovascular mortality or myocardial infarction. (Invasive Versus Conservative Treatment in Unstable Coronary Syndromes [ICTUS]; ISRCTN82153174. Intervention Versus Conservative Treatment Strategy in Patients With Unstable Angina or Non-ST Elevation Myocardial Infarction [the Third Randomised Intervention Treatment of Angina Trials (RITA-3)]; ISRCTN07752711)
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4.
  • Damman, Peter, et al. (författare)
  • Usefulness of the Admission Electrocardiogram to Predict Long-Term Outcomes After Non-ST-Elevation Acute Coronary Syndrome (from the FRISC II, ICTUS, and RITA-3 [FIR] Trials)
  • 2012
  • Ingår i: American Journal of Cardiology. - : Elsevier BV. - 0002-9149 .- 1879-1913. ; 109:1, s. 6-12
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to evaluate the independent prognostic value of qualitative and quantitative admission electrocardiographic (ECG) analysis regarding long-term outcomes after non-ST-segment elevation acute coronary syndromes (NSTE-ACS). From the Fragmin and Fast Revascularization During Instability in Coronary Artery Disease (FRISC II), Invasive Versus Conservative Treatment in Unstable Coronary Syndromes (ICTUS), and Randomized Intervention Trial of Unstable Angina 3 (RITA-3) patient-pooled database, 5,420 patients with NSTE-ACS with qualitative ECG data, of whom 2,901 had quantitative data, were included in this analysis. The main outcome was 5-year cardiovascular death or myocardial infarction. Hazard ratios (HRs) were calculated with Cox regression models, and adjustments were made for established outcome predictors. The additional discriminative value was assessed with the category-less net reclassification improvement and integrated discrimination improvement indexes. In the 5,420 patients, the presence of ST-segment depression (≥1 mm; adjusted HR 1.43, 95% confidence interval [CI] 1.25 to 1.63) and left bundle branch block (adjusted HR 1.64, 95% CI 1.18 to 2.28) were independently associated with long-term cardiovascular death or myocardial infarction. Risk increases were short and long term. On quantitative ECG analysis, cumulative ST-segment depression (≥5 mm; adjusted HR 1.34, 95% CI 1.05 to 1.70), the presence of left bundle branch block (adjusted HR 2.15, 95% CI 1.36 to 3.40) or ≥6 leads with inverse T waves (adjusted HR 1.22, 95% CI 0.97 to 1.55) was independently associated with long-term outcomes. No interaction was observed with treatment strategy. No improvements in net reclassification improvement and integrated discrimination improvement were observed after the addition of quantitative characteristics to a model including qualitative characteristics. In conclusion, in the FRISC II, ICTUS, and RITA-3 NSTE-ACS patient-pooled data set, admission ECG characteristics provided long-term prognostic value for cardiovascular death or myocardial infarction. Quantitative ECG characteristics provided no incremental discrimination compared to qualitative data.
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5.
  • Fox, Keith A. A., et al. (författare)
  • Long-Term Outcome of a Routine Versus Selective Invasive Strategy in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome A Meta-Analysis of Individual Patient Data
  • 2010
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 55:22, s. 2435-2445
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: This study was designed to determine: 1) whether a routine invasive (RI) strategy reduces the long-term frequency of cardiovascular death or nonfatal myocardial infarction (MI) using a meta-analysis of individual patient data from all randomized studies with 5-year outcomes; and 2) whether the results are influenced by baseline risk. BACKGROUND: Pooled analyses of randomized trials show early benefit of routine intervention, but long-term results are inconsistent. The differences may reflect differing trial design, adjunctive therapies, and/or limited power. This meta-analysis (n = 5,467 patients) is designed to determine whether outcomes are improved despite trial differences. METHODS: Individual patient data, with 5-year outcomes, were obtained from FRISC-II (Fragmin and Fast Revascularization during Instability in Coronary Artery Disease), ICTUS (Invasive Versus Conservative Treatment in Unstable Coronary Syndromes), and RITA-3 (Randomized Trial of a Conservative Treatment Strategy Versus an Interventional Treatment Strategy in Patients with Unstable Angina) trials for a collaborative meta-analysis. A Cox regression analysis was used for a multivariable risk model, and a simplified integer model was derived. RESULTS: Over 5 years, 14.7% (389 of 2,721) of patients randomized to RI strategy experienced cardiovascular death or nonfatal MI versus 17.9% (475 of 2,746) in the selective invasive (SI) strategy (hazard ratio [HR]: 0.81, 95% confidence interval [CI]: 0.71 to 0.93; p = 0.002). The most marked treatment effect was on MI (10.0% RI strategy vs. 12.9% SI), and there were consistent trends for cardiovascular deaths (HR: 0.83, 95% CI: 0.68 to 1.01; p = 0.068) and all deaths (HR: 0.90, 95% CI: 0.77 to 1.05). There were 2.0% to 3.8% absolute reductions in cardiovascular death or MI in the low and intermediate risk groups and an 11.1% absolute risk reduction in highest risk patients. CONCLUSIONS: An RI strategy reduces long-term rates of cardiovascular death or MI and the largest absolute effect in seen in higher-risk patients.
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