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Outpatient Worsening Heart Failure as a Target for Therapy: A Review.

ABSTRACT: Importance:Hospitalizations for worsening heart failure (WHF) represent an enormous public health and financial burden, with physicians, health systems, and payers placing increasing emphasis on hospitalization prevention. In addition, maximizing time out of the hospital is an important patient-centered outcome. In this review, we discuss the concept of outpatient WHF, highlight the rationale and data for the outpatient treatment of WHF as an alternative to hospitalization, and examine opportunities and strategies for developing outpatient "interceptive" therapies for treatment of worsening symptoms and prevention of hospitalization. Observations:Worsening heart failure has traditionally been synonymous with an episode of in-hospital care for worsening symptoms. While WHF often leads to hospitalization, many patients experience WHF in the outpatient setting and carry a similarly poor prognosis. These findings support WHF as a distinct condition, independent of location of care. For those that are hospitalized, most patients have an uncomplicated clinical course, with diuretics as the only intravenous therapy. Although complicated scenarios exist, it is conceivable that improved tools for outpatient management of clinical congestion would allow a greater proportion of hospitalized patients to receive comparable care outside the hospital. Most patients with WHF have a gradual onset of congestive signs and symptoms, offering a potential window in which effective therapy may abort continued worsening and obviate the need for hospitalization. To date, outpatient WHF has received minimal attention in randomized clinical trials, but this high-risk group possesses key features that favor effective clinical trial investigation. Conclusions and Relevance:As the public health and economic burdens of heart failure continue to grow, recognizing the entity of outpatient WHF is critical. Efforts to reduce heart failure hospitalization should include developing effective therapies and care strategies for outpatient WHF. The outpatient WHF population represents a major opportunity for therapeutic advancements that could fundamentally change heart failure care delivery.

SUBMITTER: Greene SJ

PROVIDER: S-EPMC7474527 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Outpatient Worsening Heart Failure as a Target for Therapy: A Review.

Greene Stephen J SJ Mentz Robert J RJ Felker G Michael GM

JAMA cardiology 20180301 3

<h4>Importance</h4>Hospitalizations for worsening heart failure (WHF) represent an enormous public health and financial burden, with physicians, health systems, and payers placing increasing emphasis on hospitalization prevention. In addition, maximizing time out of the hospital is an important patient-centered outcome. In this review, we discuss the concept of outpatient WHF, highlight the rationale and data for the outpatient treatment of WHF as an alternative to hospitalization, and examine o ...[more]

PMID: 29387880

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Project description:AimsIn the coming decade, heart failure (HF) represents a major global healthcare challenge due to an ageing population and rising prevalence combined with scarcity of medical resources and increasing healthcare costs. A transitional care strategy within the period of clinical worsening of HF before hospitalization may offer a solution to prevent hospitalization. The outpatient treatment of worsening HF with intravenous or subcutaneous diuretics as an alternative strategy for hospitalization has been described in the literature.Methods and resultsIn this systematic review, the available evidence for the efficacy and safety of outpatient treatment with intravenous or subcutaneous diuretics of patients with worsening HF is analysed. A search was performed in the electronic databases MEDLINE and EMBASE. Of the 11 included studies 10 were single-centre, using non-randomized, observational registries of treatment with intravenous or subcutaneous diuretics for patients with worsening HF with highly variable selection criteria, baseline characteristics, and treatment design. One study was a randomized study comparing subcutaneous furosemide with intravenous furosemide. In a total of 984 unique individual patients treated in the reviewed studies, only a few adverse events were reported. Re-hospitalization rates for HF at 30 and 180 days were 28 and 46%, respectively. All-cause re-hospitalization rates at 30 and 60 days were 18-37 and 22%, respectively. The highest HF re-hospitalization was 52% in 30 days in the subcutaneous diuretic group and 42% in 30 days in the intravenous diuretic group.ConclusionsThe reviewed studies present practice-based results of treatment of patients with worsening HF with intravenous or subcutaneous diuretics in an outpatient HF care unit and report that it is effective by relieving symptoms with a low risk of adverse events. The studies do not provide satisfactory evidence for reduction in rates of re-hospitalization or improvement in mortality or quality of life. The conclusions drawn from these studies are limited by the quality of the individual studies. Prospective randomized studies are needed to determine the safety and effectiveness of outpatient intravenous or subcutaneous diuretic treatment for patient with worsening HF.

Project description:BackgroundHospitalization for heart failure (HF) is associated with increased risk of death among patients with chronic HF. The degree to which hospitalization for HF is a distinct biologic entity with independent prognostic value versus a marker of higher risk chronic HF patients is unclear.MethodsAfter excluding patients with new-onset HF, the ASCEND-HF trial (Acute Study of Clinical Effectiveness of Nesiritide in Decompensated Heart Failure) included 4205 patients hospitalized for worsening chronic HF with reduced or preserved ejection fraction. The present analysis compared patients by presence or absence of prior HF hospitalization within 12 months and by timing of prior HF hospitalization relative to index hospitalization. Associations with 180-day all-cause mortality were assessed, including adjustment for 27 prespecified clinical factors.ResultsOverall, 2241 (53.3%) patients had a HF hospitalization within the prior 12 months and 1964 (46.7%) did not. Mortality rates at 180 days were 15.5% and 11.9%, respectively. In unadjusted analyses, prior HF hospitalization was associated with increased risk of 180-day mortality (HR, 1.35 [95% CI, 1.14-1.59]; P<0.01). After adjustment, the point estimate was attenuated and the association not statistically significant (HR, 1.18 [95% CI, 0.99-1.40]; P=0.064). Similarly, after adjustment, compared with patients without prior hospitalization, prior HF hospitalization was not associated with mortality, irrespective of timing (0-4 months: HR, 1.10 [95% CI, 0.87-1.39], P=0.41; 4-8 months: HR, 0.95 [95% CI, 0.70-1.27]; P=0.72; 8-12 months: HR, 1.06 [95% CI, 0.74-1.51], P=0.77; >12 months: HR, 0.81 [95% CI, 0.63-1.06], P=0.12).ConclusionsIn this cohort of patients hospitalized for worsening HF, prior HF hospitalization was not associated with 180-day mortality after comprehensively accounting for patient characteristics measured during the index patient visit. Clinical confounders measured at the point-of-care may explain previously observed associations between prior HF hospitalization and mortality, and these clinical factors may be a more direct means of predicting patient survival. Registration: URL: https://www.clinicaltrials.gov; Unique identifier: NCT00475852.

Project description:BackgroundIn the DAPA-HF trial (Dapagliflozin and Prevention of Adverse Outcomes in Heart Failure), dapagliflozin, added to guideline-recommended therapies, reduced the risk of mortality and heart failure (HF) hospitalization. We examined the frequency and significance of episodes of outpatient HF worsening, requiring the augmentation of oral therapy, and the effects of dapagliflozin on these additional events.MethodsPatients in New York Heart Association functional class II to IV, with a left ventricular ejection fraction ≤40% and elevation of NT-proBNP (N-terminal pro-B-type natriuretic peptide), were eligible. The primary outcome was the composite of an episode of worsening HF (HF hospitalization or an urgent HF visit requiring intravenous therapy) or cardiovascular death, whichever occurred first. An additional prespecified exploratory outcome was the primary outcome plus worsening HF symptoms/signs leading to the initiation of new, or the augmentation of existing, oral treatment.ResultsOverall, 36% more patients experienced the expanded, in comparison with the primary, composite outcome. In the placebo group, 684 of 2371 (28.8%) patients and, in the dapagliflozin group, 527 of 2373 (22.2%) participants experienced the expanded outcome (hazard ratio, 0.73 [95% CI, 0.65-0.82]; P<0.0001). Each component of the composite was reduced significantly by dapagliflozin. Over the median follow-up of 18.2 months, the number of patients needed to treat with dapagliflozin to prevent 1 experiencing an episode of fatal or nonfatal worsening was 16. Among the 4744 randomly assigned patients, the first episode of worsening was outpatient augmentation of treatment in 407 participants (8.6%), an urgent HF visit with intravenous therapy in 20 (0.4%), HF hospitalization in 489 (10.3%), and cardiovascular death in 295 (6.2%). The adjusted risk of death from any cause (in comparison with no event) after an outpatient worsening was hazard ratio, 2.67 (95% CI, 2.03-3.52); after an urgent HF visit, the adjusted risk of death was hazard ratio, 3.00 (95% CI, 1.39-6.48); and after a HF hospitalization, the adjusted risk of death was hazard ratio, 6.21 (95% CI, 5.07-7.62).ConclusionIn DAPA-HF, outpatient episodes of HF worsening were common, were of prognostic importance, and were reduced by dapagliflozin. Registration: URL: https://www.clinicaltrials.gov; Unique Identifier: NCT03036124.

Dataset Information

Outpatient Worsening Heart Failure as a Target for Therapy: A Review.

Publications

Outpatient Worsening Heart Failure as a Target for Therapy: A Review.

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