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Utility of the Cardiovascular Physical Examination and Impact of Spironolactone in Heart Failure With Preserved Ejection Fraction.

ABSTRACT: BACKGROUND:The prognostic value of physical examination, its relation to quality of life, and influence of therapy in heart failure with preserved ejection fraction is not well known. METHODS AND RESULTS:We studied participants from the Americas with available physical examination (jugular venous distention, rales, and edema) at baseline in the TOPCAT trial (Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist). The association of the number of signs of congestion with the primary outcome (cardiovascular death or heart failure hospitalization), its individual components, and all-cause mortality was assessed using time-updated, multivariable-adjusted Cox regression analyses. We evaluated whether spironolactone improved congestion at 4 months and whether improvement in congestion was related to quality of life as assessed by Kansas City Cardiomyopathy Questionnaire overall summary scores and to outcomes. Among 1644 participants, 22%, 54%, 20%, and 4% had 0, 1, 2, and 3 signs of congestion, respectively, at baseline. After multivariable adjustment, each additional increase in sign of congestion was associated with a 30% to 60% increased risk of each outcome ( P<0.001). Spironolactone reduced the total number of signs of congestion by -0.10 ( P=0.005) signs, jugular venous distention (odds ratio, 0.60; P=0.01), and edema (odds ratio, 0.74; P=0.006) at 4 months compared with placebo. Each reduction in sign of congestion was independently associated with a 4.0 (95% CI, 2.4-5.6) point improvement in Kansas City Cardiomyopathy Questionnaire overall summary score. When assessed simultaneously, time-updated, but not baseline congestion, predicted outcomes. CONCLUSIONS:In heart failure with preserved ejection fraction, the physical exam provides independent prognostic value for adverse outcomes. Spironolactone improved congestion compared with placebo. Reducing congestion was independently associated with improved quality of life and outcomes and is a modifiable risk factor. CLINICAL TRIAL REGISTRATION:URL: https://www.clinicaltrials.gov . Unique identifier: NCT00094302.

SUBMITTER: Selvaraj S

PROVIDER: S-EPMC6686863 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Utility of the Cardiovascular Physical Examination and Impact of Spironolactone in Heart Failure With Preserved Ejection Fraction.

Selvaraj Senthil S Claggett Brian B Shah Sanjiv J SJ Anand Inder S IS Rouleau Jean L JL Desai Akshay S AS Lewis Eldrin F EF Vaduganathan Muthiah M Wang Stephen Y SY Pitt Bertram B Sweitzer Nancy K NK Pfeffer Marc A MA Solomon Scott D SD

Circulation. Heart failure 20190621 7

<h4>Background</h4>The prognostic value of physical examination, its relation to quality of life, and influence of therapy in heart failure with preserved ejection fraction is not well known.<h4>Methods and results</h4>We studied participants from the Americas with available physical examination (jugular venous distention, rales, and edema) at baseline in the TOPCAT trial (Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist). The association of the number of sign ...[more]

PMID: 31220936

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Project description:BACKGROUND:Albuminuria predicts adverse events in heart failure with preserved ejection fraction. No therapies to date have reduced albuminuria in heart failure with preserved ejection fraction. METHODS AND RESULTS:We analyzed 1175 participants from the Americas from the TOPCAT study (Treatment of Preserved Cardiac Function Heart Failure With an Aldosterone Antagonist) with urinary albumin:creatinine ratio (UACR) measurements at baseline. We examined the association of UACR with the primary outcome (cardiovascular death, aborted cardiac arrest, or heart failure hospitalization) and its individual components, all-cause mortality, and several safety end points using multivariable-adjusted Cox regression. We evaluated whether spironolactone reduced albuminuria at the 1-year visit in a subpopulation (N=744). Thirty-five percent had microalbuminuria, 13% had macroalbuminuria, and 80% were receiving angiotensin-converting enzyme inhibitors or angiotensin receptor blockers. Increasing UACR was associated with male sex, higher systolic blood pressure, diabetes mellitus, and renal dysfunction. Macroalbuminuria (hazard ratio, 1.67; 95% CI, 1.22-2.28) and microalbuminuria (hazard ratio, 1.47; 95% CI, 1.15-1.86) were independently associated with the TOPCAT primary end point (compared with normoalbuminuria). Adjusting for placebo response, spironolactone reduced albuminuria by 39% in all participants at the 1-year visit compared with baseline (geometric mean ratio, 0.61; 95% CI, 0.49-0.77) and by 76% (geometric mean ratio, 0.24; 95% CI, 0.10-0.56) among those with macroalbuminuria. Reducing UACR by 50% was independently associated with a reduction in heart failure hospitalization (hazard ratio, 0.90; P=0.017) and all-cause mortality (hazard ratio, 0.91; P=0.019). The change in UACR was significantly associated with change in systolic blood pressure ( P=0.001). CONCLUSIONS:In TOPCAT, albuminuria was independently associated with worse cardiovascular outcomes. Spironolactone significantly reduced albuminuria compared with placebo. Reducing albuminuria was independently associated with improved outcomes. CLINICAL TRIAL REGISTRATION:URL: https://www.clinicaltrials.gov . Unique identifier: NCT00094302.

Project description:ObjectivesThis study sought to assess if clinical phenogroups differ in comprehensive biomarker profiles, cardiac and arterial structure/function, and responses to spironolactone therapy.BackgroundPrevious studies identified distinct subgroups (phenogroups) of patients with heart failure with preserved ejection fraction (HFpEF).MethodsAmong TOPCAT (Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist Trial) participants, we performed latent-class analysis to identify HFpEF phenogroups based on standard clinical features and assessed differences in multiple biomarkers measured from frozen plasma; cardiac and arterial structure/function measured with echocardiography and arterial tonometry; prognosis; and response to spironolactone.ResultsThree HFpEF phenogroups were identified. Phenogroup 1 (n = 1,214) exhibited younger age, higher prevalence of smoking, preserved functional class, and the least evidence of left ventricular (LV) hypertrophy and arterial stiffness. Phenogroup 2 (n = 1,329) was older, with normotrophic concentric LV remodeling, atrial fibrillation, left atrial enlargement, large-artery stiffening, and biomarkers of innate immunity and vascular calcification. Phenogroup 3 (n = 899) demonstrated more functional impairment, obesity, diabetes, chronic kidney disease, concentric LV hypertrophy, high renin, and biomarkers of tumor necrosis factor-alpha-mediated inflammation, liver fibrosis, and tissue remodeling. Compared with phenogroup 1, phenogroup 3 exhibited the highest risk of the primary endpoint of cardiovascular death, heart failure hospitalization, or aborted cardiac arrest (hazard ratio [HR]: 3.44; 95% confidence interval [CI]: 2.79 to 4.24); phenogroups 2 and 3 demonstrated similar all-cause mortality (phenotype 2 HR: 2.36; 95% CI: 1.89 to 2.95; phenotype 3 HR: 2.26, 95% CI: 1.77 to 2.87). Spironolactone randomized therapy was associated with a more pronounced reduction in the risk of the primary endpoint in phenogroup 3 (HR: 0.75; 95% CI: 0.59 to 0.95; p for interaction = 0.016). Results were similar after excluding participants from Eastern Europe.ConclusionsWe identified important differences in circulating biomarkers, cardiac/arterial characteristics, prognosis, and response to spironolactone across clinical HFpEF phenogroups. These findings suggest distinct underlying mechanisms across clinically identifiable phenogroups of HFpEF that may benefit from different targeted interventions.

Project description:Background Resistant hypertension is a salt-retaining condition possibly attributable to inappropriate aldosterone secretion. Methods and Results This study was a secondary analysis of the TOPCAT (Treatment of Preserved Cardiac Function Heart Failure With an Aldosterone Antagonist) trial. Patients with heart failure with preserved ejection fraction (HFpEF) with (n=1004) and without (n=2437) resistant hypertension were included. Resistant hypertension was defined as systolic blood pressure ≥130 mm Hg and/or diastolic blood pressure ≥80 mm Hg in a patient with hypertension, despite the concurrent use of a renin-angiotensin system blocker (angiotensin-converting enzyme inhibitor/angiotensin receptor blocker), a calcium channel blocker, and a diuretic; or as those patients using ≥4 classes of antihypertensive medication. The primary outcome was a composite of cardiovascular death, aborted cardiac arrest, or heart failure hospitalization. We analyzed hazard ratios (HRs) for outcomes with 95% CIs in the spironolactone group and compared them with the placebo group using Cox proportional hazard models. The risk of primary outcome events in patients with HFpEF with resistant hypertension was significantly lower in the spironolactone group than in the placebo group (HR, 0.70; 95% CI, 0.53-0.91; P=0.009), whereas the risk of primary outcome events in patients with HFpEF without resistant hypertension was not significantly different between the 2 groups (HR, 1.00; 95% CI, 0.83-1.20; P=0.97). There was a significant interaction between spironolactone use and resistant hypertension (P=0.03). Similar associations were also observed in patients with HFpEF from the Americas (United States, Canada, Brazil, and Argentina) only. Conclusions Spironolactone may be an effective add-on medication for patients with HFpEF with resistant hypertension taking angiotensin-converting enzyme inhibitors/angiotensin receptor blockers, calcium channel blockers, and diuretics.

Dataset Information

Utility of the Cardiovascular Physical Examination and Impact of Spironolactone in Heart Failure With Preserved Ejection Fraction.

Publications

Utility of the Cardiovascular Physical Examination and Impact of Spironolactone in Heart Failure With Preserved Ejection Fraction.

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