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Sökning: LAR1:gu > (2007) > Refereegranskat > Swedberg Karl 1944

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31.
  • Torp-Pedersen, C., et al. (författare)
  • Effects of metoprolol and carvedilol on preexisting and new on-set diabetes in patients with chronic heart failure {inverted exclamation}V data from the Carvedilol or metoprolol European Trial (COMET)
  • 2007
  • Ingår i: Heart. - 1468-201X. ; 93:8, s. 968-973
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective Beta-blocker therapy may worsen glucose metabolism. We studied the development of new onset diabetes in a large cohort of heart failure patients treated with either metoprolol or carvedilol. Design Prospective and retrospective analysis of a controlled clinical trial. Setting Multinational multicenter study Patients 3029 patients with chronic heart failure. Interventions Randomly assigned treatment with carvedilol (n=1511, target dose 50 mg daily) or metoprolol tartrate (n=1518, target dose 100 mg daily). Results Diabetic events (diabetic coma, peripheral gangrene, diabetic foot, de-creased glucose tolerance or hyperglycemia) and new onset diabetes (clinical di-agnosis, repeated high random glucose level or glucose lowering medication) were assessed in 2298 patients without diabetes at baseline. Diabetic events oc-curred in 122/1151 (10.6%) patients in the carvedilol group and 149/1147 (13.0%) patients in the metoprolol group (hazard ratio (HR) 0.78; 95% confi-dence interval (CI) 0.61-0.99, p=0.039). New onset diabetes was diagnosed in 119/1151 (10.4%) versus 145/1147 (12.6%) cases in the carvedilol and metoprolol treatment groups (HR 0.78, CI 0.61-0.998, p=0.048). Patients with diabetes at baseline had an increased mortality, compared to non-diabetics (45.3% versus, 33.9%; HR 1.45, CI 1.28-1.65). Both diabetics and non-diabetics at baseline had a similar reduction in mortality with carvedilol compared to metoprolol (RR 0.85; CI 0.69-1.06 and RR 0.82; CI, 0.71-0.94, respectively). Conclusion This study demonstrates both a high prevalence and incidence of diabetes in patients with heart failure over a course of 5 years. New onset diabe-tes was more likely to occur during treatment with metoprolol than during treat-ment with carvedilol.
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32.
  • Torp-Pedersen, C., et al. (författare)
  • The safety of amiodarone in patients with heart failure
  • 2007
  • Ingår i: J Card Fail. - 1532-8414. ; 13:5, s. 340-5
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Uncertainty persists about the safety and efficacy of amiodarone for the management of heart failure. METHODS AND RESULTS: We randomized 3029 patients with chronic heart failure to receive carvedilol or metoprolol and followed patients for a median of 58 months. One hundred fifty-five of 1466 patients in New York Heart Association (NYHA) Class II and 209 of 1563 in Class III or IV received amiodarone at baseline. Persistence with amiodarone treatment was high and 66% received amiodarone after 4 years. During follow-up, 38.7% and 58.9% of patients receiving amiodarone in NYHA Classes II and III + IV died versus 26.2% and 43.3% not receiving amiodarone (P < .001). This difference was maintained in multivariable analysis (hazard ratio [HR] 1.5, 95% confidence interval [CI] 1.2-1.7, P < .001). The difference was explained by an increased risk of death due to circulatory failure (HR 2.4, CI 1.9-3.1, P < .001) in patients receiving amiodarone. Sudden death was not different (HR 1.07, CI 0.8-1.4, P = .7). The increased risk was similar across NYHA classes with HR of 1.60 (CI 1.2-2.1, P < .001) in NYHA Class II versus 1.58 (CI 1.3-1.9, P < .001) in Classes III + IV. CONCLUSIONS: Treatment with amiodarone was associated with an increased risk of death from circulatory failure independent of functional class.
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