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Träfflista för sökning "WFRF:(Fox Keith A. A.) ;pers:(Bassand Jean Pierre)"

Sökning: WFRF:(Fox Keith A. A.) > Bassand Jean Pierre

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  • Thygesen, Kristian, et al. (författare)
  • Third universal definition of myocardial infarction
  • 2012
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 60:16, s. 1581-1598
  • Tidskriftsartikel (refereegranskat)
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  • Bassand, Jean-Pierre, et al. (författare)
  • Relationship between baseline haemoglobin and major bleeding complications in acute coronary syndromes
  • 2010
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 31:1, s. 50-58
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: In patients with acute coronary syndromes (ACS), the negative impact of baseline haemoglobin levels on ischaemic events, particularly death, is well established, but the association with bleeding risk is less well studied. The aim of this study was to assess the impact of baseline haemoglobin levels on major bleeding complications. METHODS AND RESULTS: Pooled analysis of OASIS 5 and 6 data involving 32 170 patients with ACS with and without ST-segment elevation was performed. The association between baseline haemoglobin and major bleeding or ischaemic events was examined using multiple regression model. MAIN OUTCOME MEASURES: were 30-day rates of major bleeding, death, and death/myocardial infarction (MI) analysed according to baseline haemoglobin levels. Baseline haemoglobin level independently predicted the risk of overall, procedure-related, and non-procedure-related major bleedings at 30 days [odds ratio (OR) 0.94, 95% CI 0.90-0.98; OR 0.94, 95% CI 0.90-0.99; and OR 0.89, 95% CI 0.83-0.95, respectively, per 1 g/dL haemoglobin increment above 10 g/dL]. In addition, a curvilinear relationship between baseline haemoglobin levels and death at 30 days was observed with a 6% decrease in the risk for every 1 g/dL haemoglobin increment above 10 g/dL up to 15.9 g/dL (OR 0.94, 95% CI 0.90-0.98) and a 19% increase above this value (OR 1.19, 95% CI, 0.98-1.43). A similar relationship for the composite outcome of death/MI was observed. CONCLUSION: A low baseline haemoglobin level is an independent predictor of the risk of major bleeding in ACS as well as of the risk of death and death and MI. Among other predictors of bleeding risk, baseline haemoglobin should be taken into account in patients presenting with ACS. Clinical trial registration: ClinicalTrials.gov number, NCT00139815. http://clinicaltrials.gov/ct2/show/NCT00139815?term=NCT00139815&rank=1.
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  • Budaj, Andrzej, et al. (författare)
  • Improving clinical outcomes by reducing bleeding in patients with non-ST-elevation acute coronary syndromes
  • 2009
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 30:6, s. 655-61
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: Bleeding in patients with coronary artery disease has been linked with adverse outcomes. We examined the incidence and outcomes after bleeding in 20 078 patients with acute coronary syndromes (ACS) enrolled in the OASIS-5 trial who were treated with fondaparinux or the low-molecular weight heparin, enoxaparin. METHODS AND RESULTS: Nine hundred and ninety (4.9%) patients developed major bleeding and 423 (2.1%) developed minor bleeding. Fondaparinux compared with enoxaparin reduced fatal bleeding [0.07 vs. 0.22%, relative risk (RR) 0.30, 95% CI: 0.13-0.71], non-fatal major bleeding (2.2 vs. 4.2%, RR 0.52, 95% CI: 0.44-0.61), minor bleeding (1.1 vs. 3.2%, RR 0.34, 95% CI: 0.27-0.42), and need for transfusion (1.8 vs. 3.1%, RR 0.56, 95% CI: 0.47-0.61) during the first 9 days. One of every six deaths during the first 30 days occurred in patients who experienced bleeding. Cox proportional hazards model revealed that major bleeding was associated with about a four-fold increased hazard of death, myocardial infarction, or stroke during the first 30 days and about a three-fold increased hazard during 180 days of follow up. CONCLUSION: Bleeding in patients with ACS is a powerful determinant of fatal and non-fatal outcomes. Reducing the risk of bleeding using a safer anticoagulant strategy during the first 9 days is associated with substantial reductions in morbidity and mortality.
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8.
  • Oldgren, Jonas, 1964-, et al. (författare)
  • Effects of fondaparinux in patients with ST-segment elevation acute myocardial infarction not receiving reperfusion treatment
  • 2008
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 29:3, s. 315-23
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: At least one quarter of ST-segment elevation myocardial infarction (STEMI) patients do not receive reperfusion therapy, and these patients are at high risk for new ischaemic events. We evaluated fondaparinux treatment vs. usual care, i.e. placebo or unfractionated (UF) heparin, in a pre-specified subgroup of 2867 (out of 12 092) patients not receiving reperfusion treatment in the OASIS-6 trial. METHODS: In all, 1458 patients were randomized to fondaparinux 2.5 mg once daily subcutaneously up to 8 days and 1409 patients to usual care (control). Randomization was stratified by indication for UF heparin (stratum II, n = 1226) or not (stratum I, n = 1641) based on the investigator's judgment. RESULTS: The proportion of patients who suffered death or myocardial re-infarction at 30 days (primary outcome) was 12.2% in the fondaparinux vs. 15.1% in the control group, hazard ratio (HR) 0.80; 95% confidence interval (CI) 0.65-0.98. There was no increase in severe bleedings, HR 0.82; CI 0.44-1.55, or strokes, HR 0.62; CI 0.29-1.33. Consequently, the composite of death, myocardial re-infarction, or severe bleeding were significantly reduced at 30 days, HR 0.81; CI 0.67-0.99. Reductions in death or myocardial re-infarction at 30 days were consistent in stratum I with fondaparinux vs. placebo, HR 0.88; 95% CI 0.65-1.19, and in stratum II with fondaparinux vs. UF heparin infusion for 24-48 h (n = 806), HR 0.74; CI 95% 0.57-0.97, P = 0.41 for heterogeneity. CONCLUSION: In STEMI patients not receiving reperfusion treatment, fondaparinux reduces the composite of death or myocardial re-infarction without an increase in severe bleedings or strokes as compared to placebo or UF heparin.
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9.
  • Yusuf, Salim, et al. (författare)
  • Effects of fondaparinux on mortality and reinfarction in patients with acute ST-segment elevation myocardial infarction : the OASIS-6 randomized trial
  • 2006
  • Ingår i: Journal of the American Medical Association (JAMA). - 0098-7484 .- 1538-3598. ; 295:13, s. 1519-1930
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Despite many therapeutic advances, mortality in patients with acute ST-segment elevation myocardial infarction (STEMI) remains high. The role of additional antithrombotic agents is unclear, especially among patients not receiving reperfusion therapy. OBJECTIVE: To evaluate the effect of fondaparinux, a factor Xa inhibitor, when initiated early and given for up to 8 days vs usual care (placebo in those in whom unfractionated heparin [UFH] is not indicated [stratum 1] or unfractionated heparin for up to 48 hours followed by placebo for up to 8 days [stratum 2]) in patients with STEMI. DESIGN, SETTING, AND PARTICIPANTS: Randomized double-blind comparison of fondaparinux 2.5 mg once daily or control for up to 8 days in 12,092 patients with STEMI from 447 hospitals in 41 countries (September 2003-January 2006). From day 3 through day 9, all patients received either fondaparinux or placebo according to the original randomized assignment. MAIN OUTCOME MEASURES: Composite of death or reinfarction at 30 days (primary) with secondary assessments at 9 days and at final follow-up (3 or 6 months). RESULTS: Death or reinfarction at 30 days was significantly reduced from 677 (11.2%) of 6056 patients in the control group to 585 (9.7%) of 6036 patients in the fondaparinux group (hazard ratio [HR], 0.86; 95% confidence interval [CI], 0.77-0.96; P = .008); absolute risk reduction, 1.5%; 95% CI, 0.4%-2.6%). These benefits were observed at 9 days (537 [8.9%] placebo vs 444 [7.4%] fondaparinux; HR, 0.83; 95% CI, 0.73-0.94; P = .003, and at study end (857 [14.8%] placebo vs 756 [13.4%] fondaparinux; HR, 0.88; 95% CI, 0.79-0.97; P = .008). Mortality was significantly reduced throughout the study. There was no heterogeneity of the effects of fondaparinux in the 2 strata by planned heparin use. However, there was no benefit in those undergoing primary percutaneous coronary intervention. In other patients in stratum 2, fondaparinux was superior to unfractionated heparin in preventing death or reinfarction at 30 days (HR, 0.82; 95% CI, 0.66-1.02; P = .08) and at study end (HR, 0.77; 95% CI, 0.64-0.93; P = .008). Significant benefits were observed in those receiving thrombolytic therapy (HR, 0.79; P = .003) and those not receiving any reperfusion therapy (HR, 0.80; P = .03). There was a tendency to fewer severe bleeds (79 for placebo vs 61 for fondaparinux; P = .13), with significantly fewer cardiac tamponade (48 vs 28; P = .02) with fondaparinux at 9 days. CONCLUSION: In patients with STEMI, particularly those not undergoing primary percutaneous coronary intervention, fondaparinux significantly reduces mortality and reinfarction without increasing bleeding and strokes. TRIAL REGISTRATION: ClinicalTrials.gov Identifier NCT00064428.
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10.
  • Fox, Keith A., et al. (författare)
  • Influence of renal function on the efficacy and safety of fondaparinux relative to enoxaparin in non-ST-segment elevation acute coronary syndromes
  • 2007
  • Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 147:5, s. 304-310
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: A recent randomized, controlled trial, the Fifth Organization to Assess Strategies in Acute Ischemic Syndromes (OASIS 5) trial, reported that major bleeding was 2-fold less frequent with fondaparinux than with enoxaparin in acute coronary syndromes (ACS). Renal dysfunction increases the risk for major bleeding. OBJECTIVE: To compare the efficacy and safety of fondaparinux and enoxaparin over the spectrum of renal dysfunction observed in the OASIS 5 trial. DESIGN: Subgroup analysis of a randomized, controlled trial. SETTING: Patients presenting to the hospital with non-ST-segment elevation ACS. PATIENTS: 19,979 of the 20,078 patients in the OASIS 5 trial in whom creatinine was measured at baseline. MEASUREMENTS: Death, myocardial infarction, refractory ischemia, and major bleeding were evaluated separately and as a composite end point at 9, 30, and 180 days. Glomerular filtration rate (GFR) was calculated by using the Modification of Diet in Renal Disease formula. RESULTS: The absolute differences in favor of fondaparinux (efficacy and safety) were most marked in patients with a GFR less than 58 mL/min per 1.73 m2; the largest differences occurred in major bleeding events. At 9 days, death, myocardial infarction, or refractory ischemia occurred in 6.7% of patients receiving fondaparinux and 7.4% of those receiving enoxaparin (hazard ratio, 0.90 [95% CI, 0.73 to 1.11]); major bleeding occurred in 2.8% and 6.4%, respectively (hazard ratio, 0.42 [CI, 0.32 to 0.56]). Statistically significant differences in major bleeding persisted at 30 and 180 days. The rates of the composite end point were lower with fondaparinux than with enoxaparin in all quartiles of GFR, but the differences were statistically significant only among patients with a GFR less than 58 mL/min per 1.73 m2. Limitations: Subgroup analyses warrant caution; the study was powered to detect noninferiority at 9 days. Fondaparinux is not approved for use in patients with ACS in the United States. CONCLUSIONS: The benefits of fondaparinux over enoxaparin when administered for non-ST-segment elevation ACS are most marked among patients with renal dysfunction and are largely explained by lower rates of major bleeding with fondaparinux.
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