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      A novel validated method for predicting the risk of re-hospitalization for worsening heart failure and the effectiveness of the diuretic upgrading therapy with tolvaptan

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          Abstract

          Increased re-hospitalization due to acute decompensated heart failure (ADHF) is a modern issue in cardiology. The aim of this study was to investigate risk factors for re-hospitalization due to worsening heart failure, and the effect of tolvaptan (TLV) on decreasing the number of re-hospitalizations. This was a multicenter, retrospective study. The re-hospitalization factors for 1191 patients with ADHF were investigated; patients receiving continuous administration of TLV when they were discharged from the hospital (n = 194) were analyzed separately. Patients were classified into 5 risk groups based on their calculated Preventing Re-hospitalization with TOLvaptan (Pretol) score. The total number of patients re-hospitalized due to worsening heart failure up to one year after discharge from the hospital was 285 (23.9%). Age ≥80 years, duration since discharge from the hospital after previous heart failure <6 months, diabetes mellitus, hemoglobin <10 g/dl, uric acid >7.2 mg/dl, left ventricular ejection fraction (LVEF) <40%, left atrial volume index (LAVI) >44.7 ml/m2, loop diuretic dose ≥20 mg/day, hematocrit <31.6%, and estimated glomerular filtration rate (eGFR) <50 ml/min/1.73m2 were independent risk factors for re-hospitalization for worsening heart failure. There was a significant reduction in the re-hospitalization rate among TLV treated patients in the Risk 3 group and above. In conclusions, age, duration since previous heart failure, diabetes mellitus, hemoglobin, uric acid, LVEF, LAVI, loop diuretic dose, hematocrit, and eGFR were all independent risk factors for re-hospitalization for worsening heart failure. Long-term administration of TLV significantly decreases the rate of re-hospitalization for worsening heart failure in patients with a Pretol score of 7.

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          The Cardiac Insufficiency Bisoprolol Study II (CIBIS-II): a randomised trial.

          In patients with heart failure, beta-blockade has improved morbidity and left-ventricular function, but the impact on survival is uncertain. We investigated the efficacy of bisoprolol, a beta1 selective adrenoceptor blocker in decreasing all-cause mortality in chronic heart failure. In a multicentre double-blind randomised placebo-controlled trial in Europe, we enrolled 2647 symptomatic patients in New York Heart Association class III or IV, with left-ventricular ejection fraction of 35% or less receiving standard therapy with diuretics and inhibitors of angiotensin-converting enzyme. We randomly assigned patients bisoprolol 1.25 mg (n=1327) or placebo (n=1320) daily, the drug being progressively increased to a maximum of 10 mg per day. Patients were followed up for a mean of 1.3 years. Analysis was by intention to treat. CIBIS-II was stopped early, after the second interim analysis, because bisoprolol showed a significant mortality benefit. All-cause mortality was significantly lower with bisoprolol than on placebo (156 [11.8%] vs 228 [17.3%] deaths with a hazard ratio of 0.66 (95% CI 0.54-0.81, p<0.0001). There were significantly fewer sudden deaths among patients on bisoprolol than in those on placebo (48 [3.6%] vs 83 [6.3%] deaths), with a hazard ratio of 0.56 (0.39-0.80, p=0.0011). Treatment effects were independent of the severity or cause of heart failure. Beta-blocker therapy had benefits for survival in stable heart-failure patients. Results should not, however, be extrapolated to patients with severe class IV symptoms and recent instability because safety and efficacy has not been established in these patients.
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            Survival after the onset of congestive heart failure in Framingham Heart Study subjects.

            Relatively limited epidemiological data are available regarding the prognosis of congestive heart failure (CHF) and temporal changes in survival after its onset in a population-based setting. Proportional hazards models were used to evaluate the effects of selected clinical variables on survival after the onset of CHF among 652 members of the Framingham Heart Study (51% men; mean age, 70.0 +/- 10.8 years) who developed CHF between 1948 and 1988. Subjects were older at the diagnosis of heart failure in the later decades of this study (mean age at heart failure diagnosis, 57.3 +/- 7.6 years in the 1950s, 65.9 +/- 7.9 years in the 1960s, 71.6 +/- 9.4 years in the 1970s, and 76.4 +/- 10.0 years in the 1980s; p < 0.001). Median survival after the onset of heart failure was 1.7 years in men and 3.2 years in women. Overall, 1-year and 5-year survival rates were 57% and 25% in men and 64% and 38% in women, respectively. Survival was better in women than in men (age-adjusted hazards ratio for mortality, 0.64; 95% CI, 0.54-0.77). Mortality increased with advancing age in both sexes (hazards ratio for men, 1.27 per decade of age; 95% CI, 1.09-1.47; hazards ratio for women, 1.61 per decade of age; 95% CI, 1.37-1.90). Adjusting for age, there was no significant temporal change in the prognosis of CHF during the 40 years of observation (hazards ratio for men for mortality, 1.08 per calendar decade; 95% CI, 0.92-1.27; hazards ratio for women for mortality, 1.02 per calendar decade; 95% CI, 0.83-1.26). CHF remains highly lethal, with better prognosis in women and in younger individuals. Advances in the treatment of hypertension, myocardial ischemia, and valvular heart disease during the four decades of observation did not translate into appreciable improvements in overall survival after the onset of CHF in this large, unselected population.
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              Short-term clinical effects of tolvaptan, an oral vasopressin antagonist, in patients hospitalized for heart failure: the EVEREST Clinical Status Trials.

              Heart failure causes more than 1 million US hospitalizations yearly, mostly related to congestion. Tolvaptan, an oral, nonpeptide, selective vasopressin V2-receptor antagonist, shows promise in this condition. To evaluate short-term effects of tolvaptan when added to standard therapy in patients hospitalized with heart failure. Two identical prospective, randomized, double-blind, placebo-controlled trials at 359 sites in North America, South America, and Europe were conducted during the inpatient period of the Efficacy of Vasopressin Antagonism in Heart Failure Outcome Study With Tolvaptan (EVEREST) between October 7, 2003, and February 3, 2006. A total of 2048 (trial A) and 2085 (trial B) patients hospitalized with heart failure and congestion were studied. Patients were randomized to receive either tolvaptan (30 mg/d) or matching placebo, within 48 hours of admission. Primary end point was a composite of changes in global clinical status based on a visual analog scale and body weight at day 7 or discharge if earlier. Secondary end points included dyspnea (day 1), global clinical status (day 7 or discharge), body weight (days 1 and 7 or discharge), and peripheral edema (day 7 or discharge). Rank sum analysis of the composite primary end point showed greater improvement with tolvaptan vs placebo (trial A, mean [SD], 1.06 [0.43] vs 0.99 [0.44]; and trial B, 1.07 [0.42] vs 0.97 [0.43]; both trials P<.001). Mean (SD) body weight reduction was greater with tolvaptan on day 1 (trial A, 1.71 [1.80] vs 0.99 [1.83] kg; P<.001; and trial B, 1.82 [2.01] vs 0.95 [1.85] kg; P<.001) and day 7 or discharge (trial A, 3.35 [3.27] vs 2.73 [3.34] kg; P<.001; and trial B, 3.77 [3.59] vs 2.79 [3.46] kg; P<.001), whereas improvements in global clinical status were not different between groups. More patients receiving tolvaptan (684 [76.7%] and 678 [72.1%] for trial A and trial B, respectively) vs patients receiving placebo (646 [70.6%] and 597 [65.3%], respectively) reported improvement in dyspnea at day 1 (both trials P<.001). Edema at day 7 or discharge improved significantly with tolvaptan in trial B (P = .02) but did not reach significance in trial A (P = .07). Serious adverse event frequencies were similar between groups, without excess renal failure or hypotension. In patients hospitalized with heart failure, oral tolvaptan in addition to standard therapy including diuretics improved many, though not all, heart failure signs and symptoms, without serious adverse events. clinicaltrials.gov Identifier: NCT00071331
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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: Writing – original draft
                Role: Data curationRole: Formal analysis
                Role: Investigation
                Role: InvestigationRole: Methodology
                Role: Formal analysis
                Role: Investigation
                Role: Writing – review & editing
                Role: Writing – review & editing
                Role: Project administrationRole: Writing – review & editing
                Role: Editor
                Journal
                PLoS One
                PLoS ONE
                plos
                plosone
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                14 November 2018
                2018
                : 13
                : 11
                : e0207481
                Affiliations
                [001]Department of Cardiology, Tokyo General Hospital, Tokyo, Japan
                Universita degli Studi di Napoli Federico II, ITALY
                Author notes

                Competing Interests: I have read the journal's policy and the author of this manuscript have the following competing interests: H.T. received lectures honoraria from Otsuka Pharmaceutical Co. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The other authors have nothing to disclose related to this paper.

                Author information
                http://orcid.org/0000-0001-5245-5451
                Article
                PONE-D-18-25306
                10.1371/journal.pone.0207481
                6235362
                30427915
                d709e24c-8bad-4315-a61a-aa8482c90545
                © 2018 Takimura et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 28 August 2018
                : 31 October 2018
                Page count
                Figures: 4, Tables: 3, Pages: 14
                Funding
                The authors received no specific funding for this work.
                Categories
                Research Article
                Medicine and Health Sciences
                Cardiology
                Heart Failure
                Medicine and Health Sciences
                Pharmacology
                Drugs
                Diuretics
                Medicine and Health Sciences
                Cardiology
                Heart Rate
                Medicine and Health Sciences
                Endocrinology
                Endocrine Disorders
                Diabetes Mellitus
                Medicine and Health Sciences
                Metabolic Disorders
                Diabetes Mellitus
                Medicine and Health Sciences
                Epidemiology
                Medical Risk Factors
                Medicine and Health Sciences
                Hematology
                Hematocrit
                Biology and Life Sciences
                Anatomy
                Body Fluids
                Blood
                Blood Counts
                Hematocrit
                Medicine and Health Sciences
                Anatomy
                Body Fluids
                Blood
                Blood Counts
                Hematocrit
                Biology and Life Sciences
                Physiology
                Body Fluids
                Blood
                Blood Counts
                Hematocrit
                Medicine and Health Sciences
                Physiology
                Body Fluids
                Blood
                Blood Counts
                Hematocrit
                Biology and Life Sciences
                Biochemistry
                Proteins
                Hemoglobin
                Physical Sciences
                Chemistry
                Chemical Compounds
                Acids
                Uric Acid
                Custom metadata
                All relevant data are within the manuscript and its Supporting Information files.

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