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1.
  • O'Connor, C. M., et al. (författare)
  • Effect of nesiritide in patients with acute decompensated heart failure
  • 2011
  • Ingår i: The New England journal of medicine. - : Massachusetts Medical Society. - 0028-4793 .- 1533-4406. ; 365:1, s. 32-43
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Nesiritide is approved in the United States for early relief of dyspnea in patients with acute heart failure. Previous meta-analyses have raised questions regarding renal toxicity and the mortality associated with this agent. METHODS: We randomly assigned 7141 patients who were hospitalized with acute heart failure to receive either nesiritide or placebo for 24 to 168 hours in addition to standard care. Coprimary end points were the change in dyspnea at 6 and 24 hours, as measured on a 7-point Likert scale, and the composite end point of rehospitalization for heart failure or death within 30 days. RESULTS: Patients randomly assigned to nesiritide, as compared with those assigned to placebo, more frequently reported markedly or moderately improved dyspnea at 6 hours (44.5% vs. 42.1%, P=0.03) and 24 hours (68.2% vs. 66.1%, P=0.007), but the prespecified level for significance (P
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3.
  • Rogers, J. K., et al. (författare)
  • Effect of rosuvastatin on repeat heart failure hospitalizations: The CORONA trial (controlled rosuvastatin multinational trial in heart failure)
  • 2014
  • Ingår i: JACC: Heart Failure. - : Elsevier Inc.. - 2213-1787 .- 2213-1779. ; 2:3, s. 289-297
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: This study sought to examine the effect of statin therapy hospitalizations for heart failure (HFH) in patients in the CORONA (Controlled Rosuvastatin Multinational Trial in Heart Failure) trial. Background: HFH is an important, frequently recurrent event. Conventional time-to-first event analyses do not take account repeat events. We used a number of statistical approaches to examine the effect of treatment on first and repeat HFH in the CORONA trial. Methods: In the CORONA trial, 5,011 patients ≥60 years of age with chronic New York Heart Association functional classes II to IV systolic heart failure resulting from ischemia were randomized to receive rosuvastatin or placebo. Poisson, Andersen-Gill, and negative binomial methods (NB) were used to analyze the effect of rosuvastatin on HFH, and the NB and a parametric joint frailty model (JF) were used to examine this effect while accounting for the competing risk of cardiovascular (CV) death. Rosuvastatin/placebo rate ratios were calculated, both unadjusted and adjusted. Results: A total of 1,291 patients had 1 or more HFH (750 of these had a single HFH only), and there were a total of 2,408 HFHs. The hazard ratio for the conventional time-to-first event analysis for HFH was 0.91 (95% confidence interval [CI]: 0.82 to 1.02, p = 0.105). In contrast, the NB on repeat hospitalizations gave an unadjusted RR (RR) for HFH of 0.86 (95% CI: 0.75 to 0.99, p = 0.030), adjusted 0.82 (95% CI: 0.72 to 0.92, p = 0.001), and after including CV death as the last event, adjusted RR of 0.85 (95% CI: 0.77 to 0.94, p = 0.001). The JF gave an adjusted RR of 0.82 (95% CI: 0.73 to 0.92, p = 0.001). Similar results were found in analyses of all CV hospitalizations and all-cause hospitalizations. Conclusions: When repeat events were included, rosuvastatin was shown to reduce the risk of HFH by approximately 15% to 20%, equating to approximately 76 fewer admissions per 1,000 patients treated over a median 33 months of follow-up. Including repeat events could increase the ability to detect treatment effects in heart failure trials. © 2014 American College of Cardiology Foundation.
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4.
  • Zannad, F., et al. (författare)
  • Clinical outcome endpoints in heart failure trials: a European Society of Cardiology Heart Failure Association consensus document
  • 2013
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 15:10, s. 1082-1094
  • Tidskriftsartikel (refereegranskat)abstract
    • Endpoint selection is a critically important step in clinical trial design. It poses major challenges for investigators, regulators, and study sponsors, and it also has important clinical and practical implications for physicians and patients. Clinical outcomes of interest in heart failure trials include all-cause mortality, cause-specific mortality, relevant non-fatal morbidity (e.g. all-cause and cause-specific hospitalization), composites capturing both morbidity and mortality, safety, symptoms, functional capacity, and patient-reported outcomes. Each of these endpoints has strengths and weaknesses that create controversies regarding which is most appropriate in terms of clinical importance, sensitivity, reliability, and consistency. Not surprisingly, a lack of consensus exists within the scientific community regarding the optimal endpoint(s) for both acute and chronic heart failure trials. In an effort to address these issues, the Heart Failure Association of the European Society of Cardiology (HFA-ESC) convened a group of expert heart failure clinical investigators, biostatisticians, regulators, and pharmaceutical industry scientists (Nice, France, 12-13 February 2012) to evaluate the challenges of defining heart failure endpoints in clinical trials and to develop a consensus framework. This report summarizes the group's recommendations for achieving common views on heart failure endpoints in clinical trials.
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5.
  • Collier, T. J., et al. (författare)
  • The impact of eplerenone at different levels of risk in patients with systolic heart failure and mild symptoms: insight from a novel risk score for prognosis derived from the EMPHASIS-HF trial
  • 2013
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 34:36, s. 2823-2829
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: Our objective was to create a simple prognostic risk score for patients with systolic heart failure and mild symptoms. We then assessed the efficacy of eplerenone across different categories of risk. METHODS AND RESULTS: The Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure trial (EMPHASIS-HF) was an international randomized trial, comparing eplerenone with placebo in 2737 patients with systolic heart failure and mild symptoms. The primary outcome was a composite of cardiovascular death or hospitalization for heart failure, over a median 2.1 years follow-up. Using multivariable Cox modelling age, sex, systolic blood pressure, estimated glomerular filtration rate, diabetes, BMI, haemoglobin, prior heart failure (HF) hospitalization, prior myocardial infarction/coronary artery bypass surgery (CABG), and heart rate were identified as strong independent risk factors. Estimates from the model were converted into a simple integer risk score which was categorized into three groups of low-, medium-, and high risk. In placebo patients, the rates (per 100 patient-years) for the primary outcome were 7.6, 19.0, and 39.4 in the low-, medium-, and high-risk groups, respectively. On eplerenone, these rates were reduced to 5.6, 12.2, and 24.2, respectively. Eplerenone was beneficial across all risk categories and the hazard ratios were similar. The absolute treatment benefit was greatest among those at highest risk. Similar patterns emerged for all-cause mortality and for all HF hospitalizations. CONCLUSION: This easy-to-use integer risk score should be of value in quantifying individual patient risk in patients with systolic HF and mild symptoms. The relative benefits of eplerenone appeared consistent across the whole spectrum of risk, including those at lower risk.
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6.
  • Eapen, Z. J., et al. (författare)
  • Do Countries or Hospitals With Longer Hospital Stays for Acute Heart Failure Have Lower Readmission Rates?: Findings From ASCEND-HF
  • 2013
  • Ingår i: Circulation Heart Failure. - 1941-3289 .- 1941-3297. ; 6:4, s. 727-32
  • Tidskriftsartikel (refereegranskat)abstract
    • Background- Hospital readmission is an important clinical outcome of patients with heart failure. Its relation to length of stay for the initial hospitalization is not clear. Methods and Results- We used hierarchical modeling of data from a clinical trial to examine variations in length of stay across countries and across hospitals in the United States and its association with readmission within 30 days of randomization. Main outcomes included associations between country-level length of stay and readmission rates, after adjustment for patient-level case mix; and associations between length of stay and readmission rates across sites in the United States. Across 27 countries with 389 sites and 6848 patients, mean length of stay ranged from 4.9 to 14.6 days (6.1 days in the United States). Rates of all-cause readmission ranged from 2.5% to 25.0% (17.8% in the United States). There was an inverse correlation between country-level mean length of stay and readmission (r=-0.52; P<0.01). After multivariable adjustment, each additional inpatient day across countries was associated with significantly lower risk of all-cause readmission (odds ratio, 0.86; 95% confidence interval, 0.75-0.98; P=0.02) and heart failure readmission (odds ratio, 0.79; 95% confidence interval, 0.69-0.99; P=0.03). Similar trends were observed across US study sites concerning readmission for any cause (odds ratio, 0.92; 95% confidence interval, 0.85-1.00; P=0.06) and readmission for heart failure (odds ratio, 0.90; 95% confidence interval, 0.80-1.01; P=0.07). Across countries and across US sites, longer median length of stay was independently associated with lower risk of readmission. Conclusions- Countries with longer length of stay for heart failure hospitalizations had significantly lower rates of readmission within 30 days of randomization. These findings may have implications for developing strategies to prevent readmission, defining quality measures, and designing clinical trials in acute heart failure. Clinical Trial Registration- URL: http://www.clinicaltrials.gov. Unique identifier: NCT00475852.
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7.
  • Perez, A. C., et al. (författare)
  • Thyroid-Stimulating Hormone and Clinical Outcomes: The CORONA Trial (Controlled Rosuvastatin Multinational Study in Heart Failure)
  • 2014
  • Ingår i: JACC: Heart Failure. - : Elsevier BV. - 2213-1779. ; 2:1, s. 35-40
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: This study sought to examine the association between thyroid status and clinical outcomes in patients in the CORONA (Controlled Rosuvastatin Multinational Trial in Heart Failure) study. Background: Hypo- and hyperthyroidism were associated with worse clinical outcomes in the SCD-HeFT (Sudden Cardiac DeathinHeart Failure Trial). Methods: In CORONA, 4,987 patients underwent baseline thyroid-stimulating hormone (TSH) measurement, 237 of which(4.8%) were receiving thyroid replacement therapy (TRT). Patients were classified as euthyroid (TSH: 0.3 to 5.0μU/ml,and no TRT), hyperthyroid (<0.3 μU/ml and no TRT), or hypothyroid (>5.0 μU/ml and no TRT). The outcome composites of cardiovascular (CV) death or hospitalization for heart failure (HF), the components of this composite, and all-cause death were compared among hyperthyroid, hypothyroid, and euthyroid states, using multivariable models adjusting for previously reported prognostic variables. Results: A total of 91.3% of patients were euthyroid, 5.0% were hypothyroid, and 3.7% were hyperthyroid. Compared with euthyroid patients, hypothyroid patients were more likely to have a history of stroke, had worse renal function andhigher N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels, were more likely to be treated with an antiarrhythmic drug (or have an implantable cardioverter defibrillator), and were less likely to smoke or be treated with a beta-blocker or angiotensin-converting enzyme inhibitor/angiotensin receptor blocker. In univariate analyses, hypothyroidism was associated with an increased risk of the composite outcome of CV death or HF hospitalization (hazard ratio: 1.29; 95% confidence interval: 1.07 to 1.57; p= 0.008), as well as all-cause death (HR: 1.36; 95% confidence interval: 1.03 to 1.76; p= 0.004). However, after adjustment for other known predictors of outcome, the associations were weakened, and when NT-proBNP was added to the models, the association between hypothyroidism and all outcomes was eliminated. Conclusions: Thyroid status is not an independent predictor of outcome in heart failure with reduced ejection fraction. (Controlled Rosuvastatin Multinational Study in Heart Failure [CORONA]; NCT00206310). © 2014 American College of Cardiology Foundation.
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8.
  • Perez-Moreno, A. C., et al. (författare)
  • Fatigue as a predictor of outcome in patients with heart failure. Analysis of CORONA (Controlled rosuvastatin multinational trial in heart failure)
  • 2014
  • Ingår i: JACC: Heart Failure. - : Elsevier BV. - 2213-1779. ; 2:2, s. 187-197
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: The purpose of this study was to examine the relationship between fatigue and clinical outcomes, using dyspnea as a comparator, in patients with left ventricular ejection fraction (LVEF)≤35% enrolled in the CORONA (Controlled Rosuvastatin Multinational Trial in Heart Failure) study. Background: Although fatigue is a common symptom in heart failure (HF), little is known about its association with prognosis. Methods: At baseline in CORONA, fatigue "during the past few days" was measured using a 5-point exertion scale (0= none, 1= heavy exertion, 2= moderate exertion, 3= slight exertion, 4= rest); a 4-point scale was used for dyspnea (1to4 as for fatigue). Patients were grouped into 3 categories: a fatigue score 0 to 1 (n= 535), fatigue score 2(n=1,632), and fatigue score 3 to 4 (n= 1,663); and a dyspnea score of 1 (n= 292), dyspnea score of 2(n=1,695), and dyspnea score of 3 to 4 (n= 1,843). The association between fatigue and dyspnea and the composite outcome of cardiovascular (CV) death or HF hospital stay and each component separately was examined using Kaplan-Meier analysis and Cox proportional-hazard models. We also examined all-cause mortality. Results: In univariate analyses, symptom severity was associated with a higher risk of CV death or HF hospital stay (fatigue: group 3, 49% [n= 810], vs. group 1, 30% [n= 160]; dyspnea: group 3, 50% [n= 918], vs. group 1, 28% [n= 82]) and all-cause mortality (fatigue: group 3, 38% [n= 623], vs. group 1, 24% [n= 130]; dyspnea: group 3, 38% [n=697], vs. group 1, 23% [n= 66], log-rank p< 0.0001 for all). After adjusting for other prognostic variables, including LVEF, New York Heart Association class, and N-terminal pro-B-type natriuretic peptide level, worse fatigue remained associated with higher risk of HF hospital stay but not mortality (worse dyspnea remained associated with a higher risk of both). An increase in fatigue (or dyspnea) between baseline and 6 months was also associated with worse outcomes. Conclusions: In HF, greater fatigue is associated with worse clinical outcomes. Closer attention should be paid to this symptom in clinical practice, with more done to standardize its measurement and understand its origins, with a view to improving treatment. © 2014 American College of Cardiology Foundation.
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9.
  • Rogers, J. K., et al. (författare)
  • Eplerenone in patients with systolic heart failure and mild symptoms: analysis of repeat hospitalizations
  • 2012
  • Ingår i: Circulation. - 1524-4539. ; 126:19, s. 2317-23
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Eplerenone is known to reduce time to first hospitalization for heart failure or cardiovascular death in patients with heart failure and mild symptoms. In chronic diseases such as heart failure, characterized by repeat hospitalizations, analyzing all heart failure hospitalizations, not just the first, should give a more complete picture of treatment benefits. METHODS AND RESULTS: The Eplerenone in Mild Patients Hospitalization and SurvIval Study in Heart Failure (EMPHASIS-HF) trial compared eplerenone with placebo in 2737 patients with mild heart failure, followed for a median 2.08 years (interquartile range, 1.08-3.10 years). Data were collected on all hospitalizations, with a focus on those due to heart failure. Heart failure hospitalization rates in the eplerenone and placebo groups were 10.70 and 16.99 per 100 patient-years, respectively. Allowing for skewness in the frequency of hospitalizations by using the negative binomial generalized linear model, the rate ratio (eplerenone versus placebo) was 0.53 (95% confidence interval, 0.42-0.66; P<0.0001). A plot of cumulative hospitalization rates over time revealed that most of the reduced risk on eplerenone occurred in the first year of follow-up. Several baseline variables strongly predicted the risk of hospitalization. More complex statistical methods, adjusting for mortality (as informative censoring), made a negligible difference in these findings. CONCLUSIONS: Eplerenone markedly reduces the risk of heart failure hospitalizations in patients with heart failure and mild symptoms to a greater extent than is captured by only studying the time to first hospitalization. Future clinical trials in heart failure would gain from incorporating repeat hospitalizations into their primary evaluation of treatment effects. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00232180.
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10.
  • Thune, J. J., et al. (författare)
  • Predictors and prognostic impact of recurrent myocardial infarction in patients with left ventricular dysfunction, heart failure, or both following a first myocardial infarction
  • 2011
  • Ingår i: European Journal of Heart Failure. - 1388-9842. ; 13:2, s. 148-153
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: Recurrent myocardial infarction (MI) is common after a first MI and is associated with increased morbidity and mortality. Predictors and prognosis of a recurrent MI with contemporary management are not well known. METHODS AND RESULTS: We assessed the predictors and prognostic impact of a first recurrent MI in 10 599 patients with left ventricular dysfunction, heart failure, or both following a first MI from the Valsartan in Acute Myocardial Infarction Trial (VALIANT) cohort. During a median follow-up of 27.4 months, 861 patients (9.6%) had a recurrent MI. The median time to recurrence was 136 days (quartiles 35-361 days), with a declining rate of recurrent MI within the first 3 months. The strongest predictors of recurrent MI were reduced estimated glomerular filtration rate, unstable angina, diabetes, and age. Mortality was markedly elevated (20.5%) within the first 7 days of a recurrent MI. Patients who survived 7 days after a recurrent MI continued to be at increased risk of death compared with patients without a recurrent MI and the risk of death remained elevated more than two-fold a year after the recurrent MI (adjusted hazards ratio 2.4, 95% confidence interval 1.7-3.2). One-year mortality for the entire VALIANT cohort was 10.3%, whereas 38.3% of the patients were dead 1 year after recurrent MI. Early reinfarctions (within 1 month) was associated with significantly higher 30-day mortality than later reinfarctions. CONCLUSION: Even in the context of contemporary treatment, a recurrent MI confers a significantly increased risk of death in patients following a high-risk first MI. Strategies aimed at reducing recurrent MI will thus likely prolong survival in post-MI survivors.
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11.
  • Ariti, C. A., et al. (författare)
  • Days alive and out of hospital and the patient journey in patients with heart failure: Insights from the Candesartan in Heart failure: Assessment of Reduction in Mortality and morbidity (CHARM) program
  • 2011
  • Ingår i: American heart journal. - : Elsevier BV. - 1097-6744 .- 0002-8703. ; 162:5, s. 900-6
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Conventional composite outcomes in heart failure (HF) trials, for example, time to cardiovascular death or first HF hospitalization, have recognized limitations. We propose an alternative outcome, days alive and out of hospital (DAOH), which incorporates mortality and all hospitalizations into a single measure. A refinement, the patient journey, also uses functional status (New York Heart Association [NYHA] class) measured during follow-up. The CHARM program is used to illustrate the methodology. METHODS: CHARM randomized 7,599 patients with symptomatic HF to placebo or candesartan, with median follow-up of 38 months. We related DAOH and percent DAOH (ie, percentage of time spent alive and out of hospital) to treatment using linear regression adjusting for follow-up time. RESULTS: Mean increase in DAOH for patients on candesartan versus placebo was 24.1 days (95% CI 9.8-38.3 days, P < .001). The corresponding mean increase in percent DAOH was 2.0% (95% CI 0.8%-3.1%, P < .001). These findings were dominated by reduced mortality (23 days) but enhanced by reduced time in hospital (1 day). Percent time spent in hospital because of HF was reduced by 0.10% (95% CI 0.04%-0.14%, P < .001). The patient journey analysis showed that patients in the candesartan group spent more follow-up time in NYHA classes I and II and less in NYHA class IV. CONCLUSIONS: Days alive and out of hospital, especially percent DAOH, provide a valuable tool for summarizing the overall absolute treatment effect on mortality and morbidity. In future HF trials, percent DAOH can provide a useful alternative perspective on the effects of treatment.
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12.
  • Badar, A. A., et al. (författare)
  • Relationship between angina pectoris and outcomes in patients with heart failure and reduced ejection fraction: an analysis of the Controlled Rosuvastatin Multinational Trial in Heart Failure (CORONA)
  • 2014
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 35:48, s. 3426-3433
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim Angina pectoris is common in patients with heart failure and reduced ejection fraction (HF-REF) but its relationship with outcomes has not been well defined. This relationship was investigated further in a retrospective analysis of the Controlled Rosuvastatin Multinational Trial in Heart Failure (CORONA). Methods and results Four thousand, eight hundred and seventy-eight patients were divided into three categories: no history of angina and no chest pain at baseline (Group A; n = 1240), past history of angina but no chest pain at baseline (Group B; n = 1353) and both a history of angina and chest pain at baseline (Group C; n = 2285). Outcomes were examined using Kaplan-Meier and Cox regression survival analysis. Compared with Group A, Group C had a higher risk of non-fatal myocardial infarction or unstable angina (HR: 2.36, 1.54-3.61; P<0.001), this composite plus coronary revascularization (HR: 2.54, 1.76-3.68; P<0.001), as well as HF hospitalization (HR: 1.35, 1.13-1.63; P = 0.001), over a median follow-up period of 33 months. There was no difference in cardiovascular or all-cause mortality. Group B had a smaller increase in risk of coronary events but not of heart failure hospitalization. Conclusion Patients with HF-REF and ongoing angina are at an increased risk of acute coronary syndrome and HF hospitalization. Whether these patients would benefit from more aggressive medical therapy or percutaneous revascularization is not known and merits further investigation.
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13.
  • Eschalier, R., et al. (författare)
  • Safety and efficacy of eplerenone in patients at high-risk for hyperkalemia and/or worsening renal function: Analyses of EMPHASIS-HF study subgroups
  • 2013
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 62:17, s. 1585-1593
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: We investigated the safety and efficacy of eplerenone in patients at high-risk for hyperkalemia or worsening renal function (WRF) in EMPHASIS-HF, a trial which enrolled patients aged at least 55 years with heart failure and reduced ejection fraction (HF-REF), in NYHA functional class II and with an eGFR>30ml/min/1.73m2 and serum potassium <5.0 mmol/l. Patients were receiving optimal therapy and most had been hospitalized for a cardiovascular reason within 180 days of inclusion. BACKGROUND: Underuse of eplerenone in patients with HF-REF may be due to fear of inducing hyperkalemia or WRF in high-risk patients. METHODS: This was a pre-specified analysis of subgroups of patients at high-risk of hyperkalemia or WRF (patients >/=75years, with diabetes, with eGFR<60ml/min/1.73m2, and with systolic blood pressure 5.5, >6.0 and <3.5mmol/l; hyperkalemia leading to study-drug discontinuation or hospitalization; and hospitalization for WRF) as well as the primary outcome (hospitalization for HF or cardiovascular mortality). RESULTS: In all high-risk subgroups, patients treated with eplerenone had an increased risk of potassium >5.5mmol/l but not of potassium >6.0mmol/l, and of hospitalization for hyperkalemia or discontinuation of study medication due to adverse events. Eplerenone was effective in reducing the primary composite endpoint in all sub-groups. CONCLUSIONS: In patients with chronic HF-REF, in NYHA class II and meeting specific inclusion and exclusion criteria, including an eGFR >30ml/min/1.73m2 and potassium <5.0 mmol/l, eplerenone was both efficacious and safe when carefully monitored, even in subgroups at high-risk of developing hyperkalemia or WRF.
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14.
  • Gullestad, L., et al. (författare)
  • Galectin-3 predicts response to statin therapy in the Controlled Rosuvastatin Multinational Trial in Heart Failure (CORONA)
  • 2012
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 33:18, s. 2290-2296
  • Tidskriftsartikel (refereegranskat)abstract
    • To investigate whether plasma galectin-3, a mediator of fibrogenesis, can identify patients with chronic heart failure (HF) for whom statins are effective. Patients with ischaemic systolic HF enrolled in the Controlled Rosuvastatin Multinational Trial in Heart Failure (CORONA) were randomly assigned to 10 mg/day of rosuvastatin or placebo. Galectin-3 was measured in plasma. The primary outcome was cardiovascular death, myocardial infarction, or stroke. Of 1492 patients, 411 had a primary event during a median follow-up of 32.8 months. There was an interaction between baseline galectin-3 and rosuvastatin on the primary endpoint (P-value for interaction 0.036). Among patients with below the median plasma concentrations of galectin-3 (19.0 ng/mL), those assigned to rosuvastatin had a lower primary event rate [hazard ratio (HR) 0.65; 95 confidence interval (CI), 0.460.92; P 0.014], lower total mortality (HR 0.70; 95 CI, 0.500.98; P 0.038), and lower event rate of all-cause mortality and HF hospitalizations (HR 0.72; 95 CI, 0.540.98; P 0.017) compared with placebo, but no benefit was observed in patients with higher levels of galectin-3. The combination of concurrently low concentrations of galectin-3 and N-terminal pro-B-type natriuretic peptide (102.7 pmol/L) identified patients with a large benefit with rosuvastatin (HR 0.33; 95 CI, 0.160.67; P 0.002). Patients with systolic HF of ischaemic aetiology who have galectin-3 values 19.0 ng/mL may benefit from rosuvastatin treatment. However, the data from this post hoc analysis should be interpreted with caution since the overall results of the CORONA study did not show a significant effect on the primary endpoint.
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15.
  • Inglis, S. C., et al. (författare)
  • Intermittent claudication as a predictor of outcome in patients with ischaemic systolic heart failure: analysis of the Controlled Rosuvastatin Multinational Trial in Heart Failure trial (CORONA)
  • 2010
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842. ; 12:7, s. 698-705
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: To examine the relationship between baseline intermittent claudication and outcomes in patients enrolled in the Controlled Rosuvastatin Multinational Trial in Heart Failure trial (CORONA). Intermittent claudication is an independent predictor of worse outcome in coronary heart disease, but its prognostic importance in heart failure (HF) is unknown. Patients aged >or=60 years with NYHA class II-IV, low ejection fraction HF of ischaemic aetiology were enrolled in CORONA. Rosuvastatin did not reduce the primary outcome or all-cause mortality. METHODS AND RESULTS: To determine whether intermittent claudication was an independent predictor of clinical outcomes, a three-step multivariable model was built: (i) demographic/clinical variables, (ii) biochemical measures added, (iii) high-sensitivity C-reactive protein and N-terminal pro B-type natriuretic-peptide added. Of the 5011 patients, 637 (12.7%) had intermittent claudication at baseline. Patients with intermittent claudication were more likely to be male (83 vs. 75%), be a current smoker (19 vs. 9%), and have diabetes mellitus (36 vs. 29%) relative to those without intermittent claudication. Over a median 33-month follow-up, 2168 patients died or were hospitalized for HF. Patients with intermittent claudication had an increased risk of death (any cause) (adjusted hazard ratio 1.36, 95% CI 1.19-1.56, P < 0.0001), death from worsening HF (1.35, 1.03-1.77, P = 0.028), sudden death (1.24, 1.00-1.54, P = 0.05), and risk of non-fatal or fatal myocardial infarction (time to first event 1.67, 1.24-2.27, P < 0.001). In the full multivariable model, intermittent claudication remained an independent predictor of most outcomes evaluated. CONCLUSION: Intermittent claudication is a relatively common symptom in ischaemic HF and an independent predictor of worse outcome. Clinical Trial Registration Information: NCT00206310-http://clinicaltrials.gov/ct2/show/NCT00206310?term=corona&ran k=2.
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16.
  • McMurray, J. J. V., et al. (författare)
  • Angiotensin-Neprilysin Inhibition versus Enalapril in Heart Failure
  • 2014
  • Ingår i: New England Journal of Medicine. - 0028-4793. ; 371:11, s. 993-1004
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND We compared the angiotensin receptor-neprilysin inhibitor LCZ696 with enalapril in patients who had heart failure with a reduced ejection fraction. In previous studies, enalapril improved survival in such patients. In this double-blind trial, we randomly assigned 8442 patients with class II, III, or IV heart failure and an ejection fraction of 40% or less to receive either LCZ696 (at a dose of 200 mg twice daily) or enalapril (at a dose of 10 mg twice daily), in addition to recommended therapy. The primary outcome was a composite of death from cardiovascular causes or hospitalization for heart failure, but the trial was designed to detect a difference in the rates of death from cardiovascular causes. The trial was stopped early, according to prespecified rules, after a median follow-up of 27 months, because the boundary for an overwhelming benefit with LCZ696 had been crossed. At the time of study closure, the primary outcome had occurred in 914 patients (21.8%) in the LCZ696 group and 1117 patients (26.5%) in the enalapril group (hazard ratio in the LCZ696 group, 0.80; 95% confidence interval [CI], 0.73 to 0.87; P<0.001). A total of 711 patients (17.0%) receiving LCZ696 and 835 patients (19.8%) receiving enalapril died (hazard ratio for death from any cause, 0.84; 95% CI, 0.76 to 0.93; P<0.001); of these patients, 558 (13.3%) and 693 (16.5%), respectively, died from cardiovascular causes (hazard ratio, 0.80; 95% CI, 0.71 to 0.89; P<0.001). As compared with enalapril, LCZ696 also reduced the risk of hospitalization for heart failure by 21% (P<0.001) and decreased the symptoms and physical limitations of heart failure (P = 0.001). The LCZ696 group had higher proportions of patients with hypotension and nonserious angioedema but lower proportions with renal impairment, hyperkalemia, and cough than the enalapril group. LCZ696 was superior to enalapril in reducing the risks of death and of hospitalization for heart failure.
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17.
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18.
  • Preiss, D., et al. (författare)
  • Eplerenone and new-onset diabetes in patients with mild heart failure: results from the Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure (EMPHASIS-HF)
  • 2012
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 14:8, s. 909-915
  • Tidskriftsartikel (refereegranskat)abstract
    • No studies have examined the effect of mineralocorticoid receptor antagonist therapy on new-onset diabetes. In addition, though the combination of diabetes and chronic heart failure (CHF) carries a poor prognosis, few studies have examined predictors of new-onset diabetes in those with CHF. In patients with symptomatically mild CHF who participated in the placebo-controlled Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure, we examined the effect of the aldosterone antagonist, eplerenone, on physician-diagnosed diabetes using univariate Cox proportional hazard analysis. To identify predictors of new-onset diabetes (measures of glycaemia were not available), data from trial arms were combined and multivariate Cox proportional hazard analyses and receiver operating characteristic curve analyses were conducted. At baseline, the mean age of 1846 initially non-diabetic patients was 69 years and mean left ventricular ejection fraction was 26. Over 21 months, 69 (3.7) developed diabetes (33 on eplerenone, 36 on placebo). Eplerenone had no effect on new-onset diabetes [hazard ratio (HR) 0.94, 95 confidence interval (CI) 0.591.52] and no effect on the composite of new-onset diabetes or mortality (HR 0.80, 95 CI 0.641.01). Independent predictors of new-onset diabetes included digoxin therapy, higher serum alanine aminotransferase, longer duration of heart failure, current or previous smoker, higher waist circumference, lower age, and higher systolic blood pressure with a combined c-statistic of 0.74. Eplerenone had no effect on new-onset diabetes in patients with CHF, but further large-scale studies are required to address this question comprehensively. Commonly recorded parameters provided useful information for predicting new-onset diabetes.
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19.
  • Rogers, J. K., et al. (författare)
  • Analysing recurrent hospitalizations in heart failure: a review of statistical methodology, with application to CHARM-Preserved
  • 2014
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 16:1, s. 33-40
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims Heart failure is characterized by recurrent hospitalizations, but often only the first event is considered in clinical trial reports. In chronic diseases, such as heart failure, analysing all events gives a more complete picture of treatment benefit. We describe methods of analysing repeat hospitalizations, and illustrate their value in one major trial. Methods and results The Candesartan in Heart failure Assessment of Reduction in Mortality and morbidity (CHARM)-Preserved study compared candesartan with placebo in 3023 patients with heart failure and preserved systolic function. The heart failure hospitalization rates were 12.5 and 8.9 per 100 patient-years in the placebo and candesartan groups, respectively. The repeat hospitalizations were analysed using the Andersen-Gill, Poisson, and negative binomial methods. Death was incorporated into analyses by treating it as an additional event. The win ratio method and a method that jointly models hospitalizations and mortality were also considered. Using repeat events gave larger treatment benefits than time to first event analysis. The negative binomial method for the composite of recurrent heart failure hospitalizations and cardiovascular death gave a rate ratio of 0.75 [95% confidence interval (CI) 0.62-0.91, P = 0.003], whereas the hazard ratio for time to first heart failure hospitalization or cardiovascular death was 0.86 (95% CI 0.74-1.00, P = 0.050). Conclusions In patients with preserved EF, candesartan reduces the rate of admissions for worsening heart failure, to a greater extent than apparent from analysing only first hospitalizations. Recurrent events should be routinely incorporated into the analysis of future clinical trials in heart failure.
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20.
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21.
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22.
  • Zannad, F., et al. (författare)
  • Eplerenone in patients with systolic heart failure and mild symptoms
  • 2011
  • Ingår i: The New England journal of medicine. - 0028-4793. ; 364:1, s. 11-21
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Mineralocorticoid antagonists improve survival among patients with chronic, severe systolic heart failure and heart failure after myocardial infarction. We evaluated the effects of eplerenone in patients with chronic systolic heart failure and mild symptoms. METHODS: In this randomized, double-blind trial, we randomly assigned 2737 patients with New York Heart Association class II heart failure and an ejection fraction of no more than 35% to receive eplerenone (up to 50 mg daily) or placebo, in addition to recommended therapy. The primary outcome was a composite of death from cardiovascular causes or hospitalization for heart failure. RESULTS: The trial was stopped prematurely, according to prespecified rules, after a median follow-up period of 21 months. The primary outcome occurred in 18.3% of patients in the eplerenone group as compared with 25.9% in the placebo group (hazard ratio, 0.63; 95% confidence interval [CI], 0.54 to 0.74; P<0.001). A total of 12.5% of patients receiving eplerenone and 15.5% of those receiving placebo died (hazard ratio, 0.76; 95% CI, 0.62 to 0.93; P=0.008); 10.8% and 13.5%, respectively, died of cardiovascular causes (hazard ratio, 0.76; 95% CI, 0.61 to 0.94; P=0.01). Hospitalizations for heart failure and for any cause were also reduced with eplerenone. A serum potassium level exceeding 5.5 mmol per liter occurred in 11.8% of patients in the eplerenone group and 7.2% of those in the placebo group (P<0.001). CONCLUSIONS: Eplerenone, as compared with placebo, reduced both the risk of death and the risk of hospitalization among patients with systolic heart failure and mild symptoms. (Funded by Pfizer; ClinicalTrials.gov number, NCT00232180.).
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23.
  • Gravning, J., et al. (författare)
  • Prognostic Effect of High-Sensitive Troponin T Assessment in Elderly Patients With Chronic Heart Failure Results From the CORONA Trial
  • 2014
  • Ingår i: Circulation-Heart Failure. - : Ovid Technologies (Wolters Kluwer Health). - 1941-3289 .- 1941-3297. ; 7:1, s. 96-103
  • Tidskriftsartikel (refereegranskat)abstract
    • Background The incremental prognostic value of high-sensitive troponin T (hs-cTnT) in heart failure (HF) beyond that of high-sensitivity C-reactive protein and amino-terminal probrain natriuretic peptide is debated. We examined the prognostic value of hs-cTnT in a subgroup of patients from the Controlled Rosuvastatin Multinational Trial in HF (CORONA) study. Methods and Results Hs-cTnT as a risk factor for the primary end point (cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke; n=356), as well as all-cause mortality (n=366), cardiovascular mortality (n=299), and the composite of cardiovascular mortality and hospitalization from worsening of HF (n=465), was investigated in 1245 patients (60 years; New York Heart Association [NYHA] class II-IV, ischemic systolic HF) randomly assigned to 10 mg rosuvastatin or placebo. In multivariable analyses, adjusting for left ventricular ejection fraction, NYHA class, age, body mass index, diabetes mellitus, sex, intermittent claudication, heart rate, estimated glomerular filtration rate, apolipoprotein B/apolipoprotein A-1 ratio, amino-terminal probrain natriuretic peptide, high-sensitivity C-reactive protein, and hs-cTnT (both dichotomized according to the 99th percentile and as a continuous variable) was associated with all end points (primary end point: hazard ratio, 1.87 and 1.51, respectively, per SD change; P<0.001; all other end points: hazard ratio, 1.39-1.70). However, improved discrimination as assessed by C-statistics was only seen for the primary end point and all-cause mortality. Conclusions Elevated hs-cTnT levels provide strong and independent prognostic information in older patients with chronic ischemic HF. Clinical Trial Registration URL: http://www.clinicaltrials.gov. Unique identifier: NCT00206310.
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24.
  • McMurray, J. J., et al. (författare)
  • Baseline characteristics and treatment of patients in Prospective comparison of ARNI with ACEI to Determine Impact on Global Mortality and morbidity in Heart Failure trial (PARADIGM-HF)
  • 2014
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 16:7, s. 817-825
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: To describe the baseline characteristics and treatment of the patients randomized in the Prospective comparison of ARNi with ACEi to Determine Impact on Global Mortality and morbidity in Heart Failure trial (PARADIGM-HF), testing the hypothesis that the strategy of simultaneously blocking the renin-angiotensin-aldosterone system and augmenting natriuretic peptides with LCZ696 200 mg bid is superior to enalapril 10 mg bid in reducing mortality and morbidity in patients with heart failure and reduced ejection fraction (HF-REF). METHODS: Key demographic, clinical and laboratory findings, along with baseline treatment, are reported and compared with those of patients in the treatment arm of the Studies Of Left Ventricular Dysfunction (SOLVD-T) and more contemporary drug and device trials in HF-REF. RESULTS: The mean age of patients in PARADIGM-HF is 64 (SD 11) years and 78% are male, in keeping with both SOLVD-T and more recent trials. Despite extensive background therapy with beta-blockers (94% patients) and mineralocorticoid receptor antagonists (58%), patients in PARADIGM-HF have persisting symptoms and signs, reduced health related quality of life, a low LVEF (mean 29+/-SD 6%) and elevated N terminal-proB type-natriuretic peptide levels (median 1611 inter-quartile range 887-3205 pg/ml). CONCLUSION: PARADIGM-HF will determine whether LCZ696 is more beneficial than enalapril when added to other disease-modifying therapies and if further augmentation of endogenous natriuretic peptides will reduce morbidity and mortality in HF-REF.
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25.
  • McMurray, J. J., et al. (författare)
  • Baseline characteristics of patients in the Reduction of Events with Darbepoetin alfa in Heart Failure trial (RED-HF)
  • 2013
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 15:3, s. 334-341
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: This report describes the baseline characteristics of patients in the Reduction of Events with Darbepoetin alfa in Heart Failure trial (RED-HF) which is testing the hypothesis that anaemia correction with darbepoetin alfa will reduce the composite endpoint of death from any cause or hospital admission for worsening heart failure, and improve other outcomes. METHODS AND RESULTS: Key demographic, clinical, and laboratory findings, along with baseline treatment, are reported and compared with those of patients in other recent clinical trials in heart failure. Compared with other recent trials, RED-HF enrolled more elderly [mean age 70 (SD 11.4) years], female (41%), and black (9%) patients. RED-HF patients more often had diabetes (46%) and renal impairment (72% had an estimated glomerular filtration rate <60 mL/min/1.73 m(2)). Patients in RED-HF had heart failure of longer duration [5.3 (5.4) years], worse NYHA class (35% II, 63% III, and 2% IV), and more signs of congestion. Mean EF was 30% (6.8%). RED-HF patients were well treated at randomization, and pharmacological therapy at baseline was broadly similar to that of other recent trials, taking account of study-specific inclusion/exclusion criteria. Median (interquartile range) haemoglobin at baseline was 112 (106-117) g/L. CONCLUSION: The anaemic patients enrolled in RED-HF were older, moderately to markedly symptomatic, and had extensive co-morbidity.
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26.
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27.
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28.
  • Rossignol, P., et al. (författare)
  • Incidence, Determinants, and Prognostic Significance of Hyperkalemia and Worsening Renal Function in Patients with Heart Failure Receiving the Mineralocorticoid Receptor Antagonist Eplerenone or Placebo Additional to Optimal Medical Therapy: Results from the Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure (EMPHASIS-HF)
  • 2014
  • Ingår i: Circulation Heart Failure. - 1941-3289 .- 1941-3297. ; 7:1, s. 51-58
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: -Mineralocorticoid receptor antagonists (MRA) improve outcomes in patients with systolic heart failure (HF), but may induce a worsening of renal function (WRF) and/or hyperkalemia (HK). We assessed the risk factors for MRA-related WRF and for HK, as well as the association between HK and WRF with clinical outcomes in the Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure (EMPHASIS-HF) METHODS AND RESULTS: -Serial changes in estimated glomerular filtration rate (eGFR) and in serum potassium were available in 2737 patients during a median 21-month follow-up. HK variably defined as serum K>4.5, 5 or 5.5 mmol/L occurred in 74.7 %, 32.5 %, and 8.9 % of EMPHASIS-HF patients, respectively. WRF defined as a decrease in eGFR > 20% or >30% from baseline occurred in 27% and 14% of patients, respectively. Patients assigned eplerenone displayed modest and early but significant and persistent i) rise in serum potassium, and ii) reduction in eGFR compared with placebo. In multivariate analyses, eplerenone was associated with a higher incidence of WRF and HK, which were interrelated and also associated with baseline patient characteristics (e.g. age >/=75 years, hypertension, diabetes, non-white race, ejection fraction <30%, and treatment with an antiarrythmics drug or loop diuretic). Eplerenone retained its survival benefits, without any significant interaction with the association between HK >5.5 mmol/l only and WRF and worse outcomes. CONCLUSIONS: -In HF patients receiving optimal therapy, WRF and HK were more frequent when eplerenone was added, but their occurence did not eliminate the survival benefit of eplerenone. Clinical Trial Registration-URL: http://www.ClinicalTrials.gov number. Unique identifier: NCT00232180.
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29.
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30.
  • Swedberg, Karl, 1944, et al. (författare)
  • Treatment of Anemia with Darbepoetin Alfa in Systolic Heart Failure
  • 2013
  • Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 368:13, s. 1210-1219
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Patients with systolic heart failure and anemia have worse symptoms, functional capacity, and outcomes than those without anemia. We evaluated the effects of darbepoetin alfa on clinical outcomes in patients with systolic heart failure and anemia. Methods In this randomized, double-blind trial, we assigned 2278 patients with systolic heart failure and mild-to-moderate anemia (hemoglobin level, 9.0 to 12.0 g per deciliter) to receive either darbepoetin alfa (to achieve a hemoglobin target of 13 g per deciliter) or placebo. The primary outcome was a composite of death from any cause or hospitalization for worsening heart failure. Results The primary outcome occurred in 576 of 1136 patients (50.7%) in the darbepoetin alfa group and 565 of 1142 patients (49.5%) in the placebo group (hazard ratio in the darbepoetin alfa group, 1.01; 95% confidence interval, 0.90 to 1.13; P=0.87). There was no significant between-group difference in any of the secondary outcomes. The neutral effect of darbepoetin alfa was consistent across all prespecified subgroups. Fatal or nonfatal stroke occurred in 42 patients (3.7%) in the darbepoetin alfa group and 31 patients (2.7%) in the placebo group (P=0.23). Thromboembolic adverse events were reported in 153 patients (13.5%) in the darbepoetin alfa group and 114 patients (10.0%) in the placebo group (P=0.01). Cancer-related adverse events were similar in the two study groups. Conclusions Treatment with darbepoetin alfa did not improve clinical outcomes in patients with systolic heart failure and mild-to-moderate anemia. Our findings do not support the use of darbepoetin alfa in these patients. (Funded by Amgen; RED-HF ClinicalTrials.gov number, NCT00358215 .).
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31.
  • Zannad, F., et al. (författare)
  • Mineralocorticoid receptor antagonists for heart failure with reduced ejection fraction: integrating evidence into clinical practice
  • 2012
  • Ingår i: European heart journal. - : Oxford University Press (OUP). - 1522-9645 .- 0195-668X. ; 33:22, s. 2782-2795
  • Tidskriftsartikel (refereegranskat)abstract
    • Mineralocorticoid receptor antagonists (MRAs) improve survival and reduce morbidity in patients with heart failure, reduced ejection fraction (HF-REF), and mild-to-severe symptoms, and in patients with left ventricular systolic dysfunction and heart failure after acute myocardial infarction. These clinical benefits are observed in addition to those of angiotensin converting enzyme inhibitors or angiotensin receptor blockers and beta-blockers. The morbidity and mortality benefits of MRAs may be mediated by several proposed actions, including antifibrotic mechanisms that slow heart failure progression, prevent or reverse cardiac remodelling, or reduce arrhythmogenesis. Both eplerenone and spironolactone have demonstrated survival benefits in individual clinical trials. Pharmacologic differences exist between the drugs, which may be relevant for therapeutic decision making in individual patients. Although serious hyperkalaemia events were reported in the major MRA clinical trials, these risks can be mitigated through appropriate patient selection, dose selection, patient education, monitoring, and follow-up. When used appropriately, MRAs significantly improve outcomes across the spectrum of patients with HF-REF.
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32.
  • Zannad, F., et al. (författare)
  • Rationale and design of the Eplerenone in Mild Patients Hospitalization And SurvIval Study in Heart Failure (EMPHASIS-HF)
  • 2010
  • Ingår i: European Journal of Heart Failure. - 1388-9842. ; 12:6, s. 617-622
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: In chronic heart failure (HF), aldosterone antagonists have been shown to improve survival in patients with low ejection fraction and moderate-to-severe symptoms [New York Heart Association (NYHA) classes III and IV]. Efficacy of these agents was also shown when they were administered to patients with left ventricular dysfunction and signs and symptoms of CHF early after acute myocardial infarction. It is not known whether the selective aldosterone antagonist eplerenone can improve outcomes in mildly symptomatic patients. The Eplerenone in Mild Patients Hospitalization And SurvIval Study in Heart Failure (EMPHASIS-HF) was designed to evaluate the effect of eplerenone on mortality and morbidity in patients with chronic systolic HF in NYHA class II. Methods Approximately 3100 patients with ejection fraction < or =30% and estimated glomerular filtration rate > or =30 mL/min/1.73 m(2) will be recruited. Patients are randomized 1:1 to double-blind eplerenone or placebo in addition to standard chronic HF therapy. Doses are adjusted from 25 mg every other day to 50 mg daily, depending on serum potassium. The primary endpoint is a composite of time to cardiovascular death or first hospital admission for worsening HF, whichever occurs first. CONCLUSION: The study will be complete when approximately 813 subjects experience a primary endpoint. Clinical Trials.gov. NCT00232180.
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33.
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34.
  • Granger, Christopher B., et al. (författare)
  • Apixaban versus Warfarin in Patients with Atrial Fibrillation
  • 2011
  • Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 365:11, s. 981-992
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Vitamin K antagonists are highly effective in preventing stroke in patients with atrial fibrillation but have several limitations. Apixaban is a novel oral direct factor Xa inhibitor that has been shown to reduce the risk of stroke in a similar population in comparison with aspirin. Methods In this randomized, double-blind trial, we compared apixaban (at a dose of 5 mg twice daily) with warfarin (target international normalized ratio, 2.0 to 3.0) in 18,201 patients with atrial fibrillation and at least one additional risk factor for stroke. The primary outcome was ischemic or hemorrhagic stroke or systemic embolism. The trial was designed to test for noninferiority, with key secondary objectives of testing for superiority with respect to the primary outcome and to the rates of major bleeding and death from any cause. Results The median duration of follow-up was 1.8 years. The rate of the primary outcome was 1.27% per year in the apixaban group, as compared with 1.60% per year in the warfarin group (hazard ratio with apixaban, 0.79; 95% confidence interval [CI], 0.66 to 0.95; P<0.001 for noninferiority; P=0.01 for superiority). The rate of major bleeding was 2.13% per year in the apixaban group, as compared with 3.09% per year in the warfarin group (hazard ratio, 0.69; 95% CI, 0.60 to 0.80; P<0.001), and the rates of death from any cause were 3.52% and 3.94%, respectively (hazard ratio, 0.89; 95% CI, 0.80 to 0.99; P=0.047). The rate of hemorrhagic stroke was 0.24% per year in the apixaban group, as compared with 0.47% per year in the warfarin group (hazard ratio, 0.51; 95% CI, 0.35 to 0.75; P<0.001), and the rate of ischemic or uncertain type of stroke was 0.97% per year in the apixaban group and 1.05% per year in the warfarin group (hazard ratio, 0.92; 95% CI, 0.74 to 1.13; P=0.42). Conclusions In patients with atrial fibrillation, apixaban was superior to warfarin in preventing stroke or systemic embolism, caused less bleeding, and resulted in lower mortality.
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35.
  • Gullestad, L., et al. (författare)
  • The predictive value of galectin-3 for mortality and cardiovascular events in the Controlled Rosuvastatin Multinational Trial in Heart Failure (CORONA)
  • 2012
  • Ingår i: American Heart Journal. - : Elsevier BV. - 0002-8703. ; 164:6, s. 878-883
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Galectin-3 is a new biomarker involved in inflammation and fibrogenesis and could therefore contribute to myocardial remodeling. We examined the prognostic value of baseline galectin-3 in a substudy involving approximately 30% of participants in the CORONA study. Methods Patients (n = 1462) aged >60 years with systolic, ischemic heart failure (HF) were randomized to 10 mg/d rosuvastatin or placebo. The primary composite end point was cardiovascular death, nonfatal myocardial infarction, or stroke (n = 408). Results In the unadjusted analysis, galectin-3 was associated with all end points considered, except hospitalization for worsening of HF. In multivariable analyses, adjusting for other clinical and biochemical predictor variables, galectin-3 was significantly associated with the primary end point (hazard ratio [HR] 1.53 [1.10-2.12], P = .011) as well as all-cause (HR 1.61 [1.20-2.29], P = .002) and cardiovascular mortality (HR 1.70 [1.19-2.42], P = .003), sudden death (HR 1.83 [1.14-2.94], P = .012), and the coronary end point (HR 1.48 [1.03-2.12], P = .035). However, when N-terminal pro-brain natriuretic peptide was added to the model, galectin-3 association with the end points was markedly attenuated and no longer significant. Conclusions Galectin-3 is not associated with outcome in older patients with advanced chronic systolic HF of ischemic etiology when adjusting for N-terminal pro-brain natriuretic peptide and may therefore have limited use in the prognostication of elderly patients with systolic HF in clinical practice. (Am Heart J 2012;164:878-83.)
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36.
  • Krum, H., et al. (författare)
  • Clinical Benefit of Eplerenone in Patients With Mild Symptoms of Systolic Heart Failure Already Receiving Optimal Best Practice Background Drug Therapy: Analysis of the EMPHASIS-HF Study
  • 2013
  • Ingår i: Circulation Heart Failure. - 1941-3289 .- 1941-3297. ; 6:4, s. 711-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Background- In EMPHASIS-HF (Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure), eplerenone significantly reduced major cardiovascular events versus placebo in 2737 patients with mild symptoms of heart failure and an ejection fraction of <35%, in addition to recommended therapy. However, it is not known whether such benefits were preserved in patients receiving optimal background drug therapy, that is, high doses of angiotensin-converting enzyme inhibitor (ACEi, or angiotensin receptor blocker), beta-blocker, or both drug classes. Methods and Results- We further analyzed EMPHASIS-HF according to the use and dose of these BACKGROUND: value for interaction 0.80, 0.15, and 0.53, respectively), as well as for all-cause mortality. There were no major safety issues, except a borderline increased risk of hypotension with eplerenone in those on high-dose ACEi or ACEi/beta-blocker. Conclusions- Eplerenone provides substantial benefit on major events (with an acceptable safety profile) in patients with mild symptoms of systolic heart failure, even in those already receiving high doses of standard background therapies. Clinical Trial Registration- URL: http://www.clinicaltrials.gov. Unique identifier: NCT00232180.
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37.
  • Lopes, Renato D., et al. (författare)
  • Apixaban for Reduction In Stroke and Other ThromboemboLic Events in Atrial Fibrillation (ARISTOTLE) trial : Design and rationale
  • 2010
  • Ingår i: American Heart Journal. - : Elsevier BV. - 0002-8703 .- 1097-6744. ; 159:3, s. 331-339
  • Tidskriftsartikel (refereegranskat)abstract
    • Atrial fibrillation (AF) is associated with increased risk of stroke that can be attenuated with vitamin K antagonists (VKAs). Vitamin K antagonist use is limited, in part, by the high incidence of complications when patients' international normalized ratios (INRs) deviate from the target range. The primary objective of ARISTOTLE is to determine if the factor Xa inhibitor, apixaban, is noninferior to warfarin at reducing the combined endpoint of stroke (ischemic or hemorrhagic) and systemic embolism in patients with AF and at least 1 additional risk factor for stroke. We have randomized 18,206 patients from over 1,000 centers in 40 countries. Patients were randomly assigned in a 1:1 ratio to receive apixaban or warfarin using a double-blind, double-dummy design. International normalized ratios are monitored and warfarin (or placebo) is adjusted aiming for a target INR range of 2 to 3 using a blinded, encrypted point-of-care device. Minimum treatment is 12 months, and maximum expected exposure is 4 years. Time to accrual of at least 448 primary efficacy events will determine treatment duration. The key secondary objectives are to determine if apixaban is superior to warfarin for the combined endpoint of stroke (ischemic or hemorrhagic) and systemic embolism, and for all-cause death. These will be tested after the primary objective using a closed test procedure. The noninferiority boundary is 1.38; apixaban will be declared noninferior if the 95% CI excludes the possibility that the primary outcome rate with apixaban is >1.38 times higher than with warfarin. ARISTOTLE will determine whether apixaban is noninferior or superior to warfarin in preventing stroke and systemic embolism; whether apixaban has particular benefits in the warfarin-naive population; whether it reduces the combined rate of stroke, systemic embolism, and death; and whether it impacts bleeding.
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38.
  • Lopes, Renato D., et al. (författare)
  • Efficacy and safety of apixaban compared with warfarin according to patient risk of stroke and of bleeding in atrial fibrillation : a secondary analysis of a randomised controlled trial
  • 2012
  • Ingår i: The Lancet. - 0140-6736 .- 1474-547X. ; 380:9855, s. 1749-1758
  • Tidskriftsartikel (refereegranskat)abstract
    • Background The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial showed that apixaban is better than warfarin at prevention of stroke or systemic embolism, causes less bleeding, and results in lower mortality. We assessed in this trial's participants how results differed according to patients' CHADS(2), CHA(2)DS(2)VASc, and HAS-BLED scores, used to predict the risk of stroke and bleeding. Methods ARISTOTLE was a double-blind, randomised trial that enrolled 18 201 patients with atrial fibrillation in 39 countries. Patients were randomly assigned apixaban 5 mg twice daily (n=9120) or warfarin (target international normalised ratio 2.0-3.0; n=9081). The primary endpoint was stroke or systemic embolism. The primary safety outcome was major bleeding. We calculated CHADS(2), CHA(2)DS(2)VASc, and HAS-BLED scores of patients at randomisation. Efficacy analyses were by intention to treat, and safety analyses were of the population who received the study drug. ARISTOTLE is registered with ClinicalTrials.gov, number NCT00412984. Findings Apixaban significantly reduced stroke or systemic embolism with no evidence of a differential effect by risk of stroke (CHADS(2) 1, 2, or >= 3, p for interaction=0.4457; or CHA(2)DS(2)VASc 1, 2, or >= 3, p for interaction=0.1210) or bleeding (HAS-BLED 0-1, 2, or >= 3, p for interaction=0.9422). Patients who received apixaban had lower rates of major bleeding than did those who received warfarin, with no difference across all score categories (CHADS(2), p for interaction=0.4018; CHA(2)DS(2)VASc, p for interaction=0.2059; HAS-BLED, p for interaction=0.7127). The relative risk reduction in intracranial bleeding tended to be greater in patients with HAS-BLED scores of 3 or higher (hazard ratio [HR] 0.22, 95% CI 0.10-0.48) than in those with HAS-BLED scores of 0-1 (HR 0.66, 0.39-1.12; p for interaction=0.0604). Interpretation Because apixaban has benefits over warfarin that are consistent across patient risk of stroke and bleeding as assessed by the CHADS(2), CHA(2)DS(2)VASc, and HAS-BLED scores, these scores might be less relevant when used to tailor apixaban treatment to individual patients than they are for warfarin. Further improvement in risk stratification for both stroke and bleeding is needed, particularly for patients with atrial fibrillation at low risk for these events.
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39.
  • Mentz, R. J., et al. (författare)
  • The past, present and future of renin-angiotensin aldosterone system inhibition
  • 2013
  • Ingår i: International journal of cardiology. - : Elsevier BV. - 1874-1754 .- 0167-5273. ; 167:5, s. 1677-1687
  • Forskningsöversikt (refereegranskat)abstract
    • The renin-angiotensin aldosterone system (RAAS) is central to the pathogenesis of cardiovascular disease. RAAS inhibition can reduce blood pressure, prevent target organ damage in hypertension and diabetes, and improve outcomes in patients with heart failure and/or myocardial infarction. This review presents the history of RAAS inhibition including a summary of key heart failure, myocardial infarction, hypertension and atrial fibrillation trials. Recent developments in RAAS inhibition are discussed including implementation and optimization of current drug therapies. Finally, ongoing clinical trials, opportunities for future trials and issues related to the barriers and approvability of novel RAAS inhibitors are highlighted.
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40.
  • Nymo, S. H., et al. (författare)
  • The association between neutrophil gelatinase-associated lipocalin and clinical outcome in chronic heart failure: Results from CORONA
  • 2012
  • Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 271, s. 436-443
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. To study the prognostic value of neutrophil gelatinase-associated lipocalin (NGAL) in chronic heart failure (HF) of ischaemic aetiology. Background. Neutrophil gelatinase-associated lipocalin is a marker of kidney injury as well as matrix degradation and inflammation and has previously been shown to be increased in HF. We investigated whether serum NGAL levels could provide prognostic information in chronic HF. Methods. We assessed NGAL as a predictor of primary outcomes (cardiovascular death, nonfatal stroke and nonfatal myocardial infarction, n=307) and all-cause mortality (n=321), cardiovascular mortality (n=259) and hospitalization (n=647) as well as the number of hospitalizations during follow-up for all (n=1934) and CV causes (n=1204) in 1415 patients with chronic HF (≥60years, New York Heart Association class II-IV, ischaemic systolic HF) in the CORONA population, randomly assigned to 10mg rosuvastatin or placebo. Results. Multivariate analysis revealed that NGAL added significant information when adjusting for clinical variables, but was no longer significant when further adjusting for apolipoprotein A-1 (ApoA-1), glomerular filtration rate (GFR), C-reactive protein (CRP) and N-terminal pro-brain natriuretic peptide (NT-proBNP). However, belonging to the highest NGAL tertile was associated with more frequent hospitalization, even after adjusting for clinical variables, GFR and ApoA-1, but not after adjusting for CRP and NT-proBNP. There was no interaction between rosuvastatin treatment and NGAL. Conclusion. Neutrophil gelatinase-associated lipocalin added no significant information to NT-proBNP and GFR in a multivariate model for primary and secondary end-points. © 2012 The Association for the Publication of the Journal of Internal Medicine.
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41.
  • Schwartz, Gregory G, et al. (författare)
  • Effects of Dalcetrapib in Patients with a Recent Acute Coronary Syndrome
  • 2012
  • Ingår i: New England Journal of Medicine. - : Massachusetts Medical Society. - 0028-4793 .- 1533-4406. ; 367:22, s. 2089-2099
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND less thanbrgreater than less thanbrgreater thanIn observational analyses, higher levels of high-density lipoprotein (HDL) cholesterol have been associated with a lower risk of coronary heart disease events. However, whether raising HDL cholesterol levels therapeutically reduces cardiovascular risk remains uncertain. Inhibition of cholesteryl ester transfer protein (CETP) raises HDL cholesterol levels and might therefore improve cardiovascular outcomes. less thanbrgreater than less thanbrgreater thanMETHODS less thanbrgreater than less thanbrgreater thanWe randomly assigned 15,871 patients who had had a recent acute coronary syndrome to receive the CETP inhibitor dalcetrapib, at a dose of 600 mg daily, or placebo, in addition to the best available evidence-based care. The primary efficacy end point was a composite of death from coronary heart disease, nonfatal myocardial infarction, ischemic stroke, unstable angina, or cardiac arrest with resuscitation. less thanbrgreater than less thanbrgreater thanRESULTS less thanbrgreater than less thanbrgreater thanAt the time of randomization, the mean HDL cholesterol level was 42 mg per deciliter (1.1 mmol per liter), and the mean low-density lipoprotein (LDL) cholesterol level was 76 mg per deciliter (2.0 mmol per liter). Over the course of the trial, HDL cholesterol levels increased from baseline by 4 to 11% in the placebo group and by 31 to 40% in the dalcetrapib group. Dalcetrapib had a minimal effect on LDL cholesterol levels. Patients were followed for a median of 31 months. At a prespecified interim analysis that included 1135 primary end-point events (71% of the projected total number), the independent data and safety monitoring board recommended termination of the trial for futility. As compared with placebo, dalcetrapib did not alter the risk of the primary end point (cumulative event rate, 8.0% and 8.3%, respectively; hazard ratio with dalcetrapib, 1.04; 95% confidence interval, 0.93 to 1.16; P = 0.52) and did not have a significant effect on any component of the primary end point or total mortality. The median C-reactive protein level was 0.2 mg per liter higher and the mean systolic blood pressure was 0.6 mm Hg higher with dalcetrapib as compared with placebo (Pandlt;0.001 for both comparisons). less thanbrgreater than less thanbrgreater thanCONCLUSIONS less thanbrgreater than less thanbrgreater thanIn patients who had had a recent acute coronary syndrome, dalcetrapib increased HDL cholesterol levels but did not reduce the risk of recurrent cardiovascular events. (Funded by F. Hoffmann-La Roche; dal-OUTCOMES ClinicalTrials.gov number, NCT00658515.)
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42.
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43.
  • Bello, N. A., et al. (författare)
  • Influence of Previous Heart Failure Hospitalization on Cardiovascular Events in Patients With Reduced and Preserved Ejection Fraction
  • 2014
  • Ingår i: Circulation-Heart Failure. - : Ovid Technologies (Wolters Kluwer Health). - 1941-3289 .- 1941-3297. ; 7:4, s. 590-595
  • Tidskriftsartikel (refereegranskat)abstract
    • Background-Hospitalization for acute heart failure (HF) is associated with high rates of subsequent mortality and readmission. We assessed the influence of the time interval between previous HF hospitalization and randomization in the Candesartan in Heart failure: Reduction in Mortality and morbidity (CHARM) trials on clinical outcomes in patients with both reduced and preserved ejection fraction. Methods and Results-CHARM enrolled 7599 patients with New York Heart Association class II to IV HF, of whom 5426 had a history of previous HF hospitalization. Cox proportional hazards regression models were used to assess the association between time from previous HF hospitalization and randomization and the primary outcome of cardiovascular death or unplanned admission to hospital for the management of worsening HF during a median of 36.6 months. For patients with HF and reduced or preserved ejection fraction, rates of cardiovascular mortality and HF hospitalization were higher among patients with previous HF hospitalization than those without. The risk for mortality and hospitalization varied inversely with the time interval between hospitalization and randomization. Rates were higher for patients with HF and reduced ejection fraction within each category. Event rates for those with HF with preserved ejection fraction and a HF hospitalization in the 6 months before randomization were comparable with the rate in patients with HF and reduced ejection fraction with no previous HF hospitalization. Conclusions-Rates of cardiovascular death or HF hospitalization are greatest in those who have been previously hospitalized for HF. Independent of EF, rates of death and readmission decline as time from HF hospitalization to trial enrollment increased. Recent HF hospitalization identifies a high-risk population for future clinical trials in HF and reduced ejection fraction and HF with preserved ejection fraction.
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44.
  • Bello, N. A., et al. (författare)
  • Influence of Prior Heart Failure Hospitalization on Cardiovascular Events in Patients with Reduced and Preserved Ejection Fraction
  • 2014
  • Ingår i: Circulation Heart Failure. - 1941-3289 .- 1941-3297. ; 7, s. 590-595
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: -Hospitalization for acute heart failure (HF) is associated with high rates of subsequent mortality and readmission. We assessed the influence of the time interval between prior HF hospitalization and randomization in the CHARM trials on clinical outcomes in patients with both reduced and preserved ejection fraction. METHODS AND RESULTS: -CHARM enrolled 7,599 patients with NYHA class II-IV heart failure, of whom 5,426 had a history of prior HF hospitalization. Cox proportional hazards regression models were utilized to assess the association between time from prior HF hospitalization and randomization and the primary outcome of cardiovascular death or unplanned admission to hospital for the management of worsening HF over a median of 36.6 months. For patients with HF and reduced (HFrEF) or preserved (HFpEF) ejection fraction, rates of CV mortality and HF hospitalization were higher among patients with prior HF hospitalization than those without. The risk for mortality and hospitalization varied inversely with the time interval between hospitalization and randomization. Rates were higher for HFrEF patients within each category. Event rates for those with HFpEF and a HF hospitalization in the 6 months prior to randomization were comparable to the rate in HFrEF patients with no prior HF hospitalization. CONCLUSIONS: -Rates of CV death or HF hospitalization are greatest in those who have been previously hospitalized for HF. Independent of EF, rates of death and readmission decline as time from HF hospitalization to trial enrollment increased. Recent HF hospitalization identifies a high risk population for future clinical trials in HFrEF and HFpEF. Clinical Trial Registration-URL: http://www.ClinicalTrials.gov. Unique identifier: NCT00634400.
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45.
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46.
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47.
  • Castagno, D., et al. (författare)
  • Association of Heart Rate and Outcomes in a Broad Spectrum of Patients With Chronic Heart Failure: Results From the CHARM (Candesartan in Heart Failure: Assessment of Reduction in Mortality and morbidity) Program
  • 2012
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 1558-3597 .- 0735-1097. ; 59:20, s. 1785-1795
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: The aim of this study was to explore the relationship between baseline resting heart rate and outcomes in patients with chronic heart failure (HF) according to baseline left ventricular ejection fraction (LVEF) and cardiac rhythm. BACKGROUND: Elevated resting heart rate is associated with worse outcomes in patients with HF and reduced LVEF. Whether this association is also found in patients with HF and preserved LVEF is uncertain, as is the predictive value of heart rate in patients in atrial fibrillation (AF). METHODS: Patients enrolled in the CHARM (Candesartan in Heart failure: Assessment of Reduction in Mortality and morbidity) Program were divided into groups by tertiles of baseline heart rate. Cox proportional hazard models were used to investigate the association between heart rate and pre-specified outcomes in the overall population as well as in subgroups defined according to LVEF (40%) and presence (or absence) of AF at baseline. RESULTS: After adjusting for predictors of poor prognosis, patients in the highest heart rate tertile had worse outcomes when compared with those in the lowest heart rate group (e.g., for the composite of cardiovascular death or HF hospital stay hazard ratio: 1.23, 95% confidence interval: 1.11 to 1.36, p < 0.001). The relationship between heart rate and outcomes was similar across LVEF categories and was not influenced by beta-blocker use (p value for interaction >0.10 for both endpoints). However, amongst patients in AF at baseline, heart rate had no predictive value (p value for interaction <0.001). CONCLUSIONS: Resting heart rate is an important predictor of outcome in patients with stable chronic HF without AF, regardless of LVEF or beta-blocker use.
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48.
  • Chang, S. M., et al. (författare)
  • Efficacy and safety of angiotensin receptor blockade are not modified by aspirin in patients with chronic heart failure: a cohort study from the Candesartan in Heart failure--Assessment of Reduction in Mortality and morbidity (CHARM) programme
  • 2010
  • Ingår i: European Journal of Heart Failure. - 1388-9842. ; 12:7, s. 738-745
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: It is unknown whether there is an interaction between aspirin and angiotensin receptor blockers on outcomes in patients with heart failure (HF). METHODS AND RESULTS: The efficacy and safety of candesartan vs. placebo was assessed in 7599 patients with symptomatic HF and reduced or preserved left ventricular ejection fraction enrolled in the CHARM programme according to baseline aspirin use. Patients were randomized to candesartan or matching placebo and were followed for a median of 38 months. Aspirin was used in 4246 (55.9%) of patients at baseline. When compared with placebo, candesartan use was associated with lower event rates for cardiovascular (CV) death or HF hospitalization (primary outcome) in both the aspirin group (28 vs. 31.9%, HR 0.81, 95% CI 0.72-0.90) and non-aspirin group (33 vs. 38%, HR 0.81, 95% CI 0.72-0.91). Baseline aspirin use did not modify the effectiveness of candesartan in reducing the risk of CV death or HF hospitalization in CHARM overall (P = 0.64) or in the CHARM individual trials. In addition, there was no significant interaction between aspirin therapy and candesartan in terms of discontinuation of study drug due to adverse reactions (P = 0.72). CONCLUSION: There appears to be no significant modification of the benefit of candesartan on CV mortality and morbidity outcomes or safety by concomitant use of aspirin in patients with chronic HF.
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49.
  • Gheorghiade, Mihai, et al. (författare)
  • Assessing and grading congestion in acute heart failure : a scientific statement from the acute heart failure committee of the heart failure association of the European Society of Cardiology and endorsed by the European Society of Intensive Care Medicine.
  • 2010
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 12:5, s. 423-33
  • Tidskriftsartikel (refereegranskat)abstract
    • Patients with acute heart failure (AHF) require urgent in-hospital treatment for relief of symptoms. The main reason for hospitalization is congestion, rather than low cardiac output. Although congestion is associated with a poor prognosis, many patients are discharged with persistent signs and symptoms of congestion and/or a high left ventricular filling pressure. Available data suggest that a pre-discharge clinical assessment of congestion is often not performed, and even when it is performed, it is not done systematically because no method to assess congestion prior to discharge has been validated. Grading congestion would be helpful for initiating and following response to therapy. We have reviewed a variety of strategies to assess congestion which should be considered in the care of patients admitted with HF. We propose a combination of available measurements of congestion. Key elements in the measurement of congestion include bedside assessment, laboratory analysis, and dynamic manoeuvres. These strategies expand by suggesting a routine assessment of congestion and a pre-discharge scoring system. A point system is used to quantify the degree of congestion. This score offers a new instrument to direct both current and investigational therapies designed to optimize volume status during and after hospitalization. In conclusion, this document reviews the available methods of evaluating congestion, provides suggestions on how to properly perform these measurements, and proposes a method to quantify the amount of congestion present.
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50.
  • Hijazi, Ziad, et al. (författare)
  • High-Sensitivity Troponin I for Risk Assessment in Patients With Atrial Fibrillation Insights From the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) Trial
  • 2014
  • Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 129:6, s. 625-634
  • Tidskriftsartikel (refereegranskat)abstract
    • Background High-sensitivity troponin-I (hs-TnI) measurement improves risk assessment for cardiovascular events in many clinical settings, but the added value in atrial fibrillation patients has not been described. Methods and Results At randomization, hs-TnI was analyzed in 14 821 atrial fibrillation patients in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial comparing apixaban with warfarin. The associations between hs-TnI concentrations and clinical outcomes were evaluated by using adjusted Cox analysis. The hs-TnI assay detected troponin (1.3 ng/L) in 98.5% patients, 50% had levels >5.4, 25% had levels >10.1, and 9.2% had levels 23 ng/L (the 99th percentile in healthy individuals). During a median of 1.9 years follow-up, annual rates of stroke or systemic embolism ranged from 0.76% in the lowest hs-TnI quartile to 2.26% in the highest quartile (>10.1 ng/L). In multivariable analysis, hs-TnI was significantly associated with stroke or systemic embolism, adjusted hazard ratio 1.98 (1.42-2.78), P=0.0007. hs-TnI was also significantly associated with cardiac death; annual rates ranged from 0.40% to 4.24%, hazard ratio 4.52 (3.05-6.70), P<0.0001, in the corresponding groups, and for major bleeding hazard ratio 1.44 (1.11-1.86), P=0.0250. Adding hs-TnI levels to the CHA(2)DS(2)VASc score improved c-statistics from 0.629 to 0.653 for stroke or systemic embolism, and from 0.591 to 0.731 for cardiac death. There were no significant interactions with study treatment. Conclusions Troponin-I is detected in 98.5% and elevated in 9.2% of atrial fibrillation patients. The hs-TnI level is independently associated with a raised risk of stroke, cardiac death, and major bleeding and improves risk stratification beyond the CHA(2)DS(2)VASc score. The benefits of apixaban in comparison with warfarin are consistent regardless of hs-TnI levels.
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