Dataset Information

Long-Term Mortality Associated With Use of Carvedilol Versus Metoprolol in Heart Failure Patients With and Without Type 2 Diabetes: A Danish Nationwide Cohort Study.

ABSTRACT: Background Carvedilol may have favorable glycemic properties compared with metoprolol, but it is unknown if carvedilol has mortality benefit over metoprolol in patients with type 2 diabetes (T2D) and heart failure with reduced ejection fraction (HFrEF). Methods and Results Using Danish nationwide databases between 2010 and 2018, we followed patients with new-onset HFrEF treated with either carvedilol or metoprolol for all-cause mortality until the end of 2018. Follow-up started 120 days after initial HFrEF diagnosis to allow initiation of guideline-directed medical therapy. There were 39 260 patients on carvedilol or metoprolol at baseline (mean age 70.8 years, 35% women), of which 9355 (24%) had T2D. Carvedilol was used in 2989 (32%) patients with T2D and 10 411 (35%) of patients without T2D. Users of carvedilol had a lower prevalence of atrial fibrillation (20% versus 35%), but other characteristics appeared well-balanced between the groups. Totally 11 306 (29%) were deceased by the end of follow-up. We observed no mortality differences between carvedilol and metoprolol, multivariable-adjusted hazard ratio (HR) 0.97 (0.90-1.05) in patients with T2D versus 1.00 (0.95-1.05) for those without T2D, P for difference =0.99. Rates of new-onset T2D were lower in users of carvedilol versus metoprolol; age, sex, and calendar year adjusted HR 0.83 (0.75-0.91), P<0.0001. Conclusions In a contemporary clinical cohort of HFrEF patients with and without T2D, carvedilol was not associated with a reduction in long-term mortality compared with metoprolol. However, carvedilol was associated with lowered risk of new-onset T2D supporting the assertion that carvedilol has a more favorable metabolic profile than metoprolol.

SUBMITTER: Schwartz B

PROVIDER: S-EPMC8649547 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Long-Term Mortality Associated With Use of Carvedilol Versus Metoprolol in Heart Failure Patients With and Without Type 2 Diabetes: A Danish Nationwide Cohort Study.

Schwartz Brian B Pierce Colin C Madelaire Christian C Schou Morten M Kristensen Søren Lund SL Gislason Gunnar H GH Køber Lars L Torp-Pedersen Christian C Andersson Charlotte C

Journal of the American Heart Association 20210917 18

Background Carvedilol may have favorable glycemic properties compared with metoprolol, but it is unknown if carvedilol has mortality benefit over metoprolol in patients with type 2 diabetes (T2D) and heart failure with reduced ejection fraction (HFrEF). Methods and Results Using Danish nationwide databases between 2010 and 2018, we followed patients with new-onset HFrEF treated with either carvedilol or metoprolol for all-cause mortality until the end of 2018. Follow-up started 120 days after in ...[more]

PMID: 34533058

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Project description:The study investigates the prognostic role of treatment with carvedilol as compared to metoprolol in patients with ventricular tachyarrhythmias. A large retrospective registry was used including consecutive patients on beta-blocker (BB) treatment with episodes of ventricular tachycardia (VT) or fibrillation (VF) from 2002 to 2015. Patients treated with carvedilol were compared to patients with metoprolol. The primary prognostic outcome was all-cause mortality at three years. Secondary endpoints comprised a composite arrhythmic endpoint (i.e., recurrences of ventricular tachyarrhythmias, appropriate implantable cardioverter defibrillator (ICD) therapies) and cardiac rehospitalization. Kaplan-Meier survival curves, multivariable Cox regression analyses, and propensity score matching were applied for statistics. There were 1098 patients included, 80% treated with metoprolol and 20% with carvedilol. Patients with carvedilol were older, more often presenting with VT (78% vs. 62%; p = 0.001) and with more advanced stages of heart failure. Treatment with carvedilol was associated with comparable all-cause mortality compared to metoprolol (20% vs. 16%, log rank p = 0.234; HR = 1.229; 95% CI 0.874-1.728; p = 0.235). However, secondary endpoints (i.e., composite arrhythmic endpoint: 32% vs. 17%; p = 0.001 and cardiac rehospitalization: 25% vs. 14%; p = 0.001) were more frequently observed in patients with carvedilol, which was still evident after multivariable adjustment. After propensity score matching (n = 194 patients with carvedilol and metoprolol), no further differences regarding the distribution of baseline characteristics were observed. Within the propensity-score-matched cohort, higher rates of the composite arrhythmic endpoint were still observed in patients treated with carvedilol, whereas the risk of cardiac rehospitalization was not affected by the type of beta-blocker treatment. In conclusion, carvedilol and metoprolol are associated with comparable all-cause mortality in patients with ventricular tachyarrhythmias, whereas the risk of the composite arrhythmic endpoint was increased in patients with carvedilol therapy.

Project description:BackgroundCarvedilol and metoprolol are the β-blockers most commonly prescribed to US hemodialysis patients, accounting for ∼80% of β-blocker prescriptions. Despite well-established pharmacologic and pharmacokinetic differences between the 2 medications, little is known about their relative safety and efficacy in the hemodialysis population.Study designA retrospective cohort study using a new-user design.Setting & participantsMedicare-enrolled hemodialysis patients treated at a large US dialysis organization who initiated carvedilol or metoprolol therapy from January 1, 2007, through December 30, 2012.PredictorCarvedilol versus metoprolol initiation.OutcomesAll-cause mortality, cardiovascular mortality, and intradialytic hypotension (systolic blood pressure decrease ≥ 20mmHg during hemodialysis plus intradialytic saline solution administration) during a 1-year follow-up period.MeasurementsSurvival models were used to estimate HRs and 95% CIs in mortality analyses. Poisson regression was used to estimate incidence rate ratios (IRRs) and 95% CIs in intradialytic hypotension analyses. Inverse probability of treatment weighting was used to adjust for several demographic, clinical, laboratory, and dialysis treatment covariates in all analyses.Results27,064 individuals receiving maintenance hemodialysis were included: 9,558 (35.3%) carvedilol initiators and 17,506 (64.7%) metoprolol initiators. Carvedilol (vs metoprolol) initiation was associated with greater all-cause (adjusted HR, 1.08; 95% CI, 1.02-1.16) and cardiovascular mortality (adjusted HR, 1.18; 95% CI, 1.08-1.29). In subgroup analyses, similar associations were observed among patients with hypertension, atrial fibrillation, heart failure, and a recent myocardial infarction, the main cardiovascular indications for β-blocker therapy. During follow-up, carvedilol (vs metoprolol) initiators had a higher rate of intradialytic hypotension (adjusted IRR, 1.10; 95% CI, 1.09-1.11).LimitationsResidual confounding may exist.ConclusionsRelative to metoprolol initiation, carvedilol initiation was associated with higher 1-year all-cause and cardiovascular mortality. One potential mechanism for these findings may be the increased occurrence of intradialytic hypotension after carvedilol (vs metoprolol) initiation.

Dataset Information

Long-Term Mortality Associated With Use of Carvedilol Versus Metoprolol in Heart Failure Patients With and Without Type 2 Diabetes: A Danish Nationwide Cohort Study.

Publications

Long-Term Mortality Associated With Use of Carvedilol Versus Metoprolol in Heart Failure Patients With and Without Type 2 Diabetes: A Danish Nationwide Cohort Study.

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