Hemodynamic Predictors of Heart Failure Morbidity and Mortality: Fluid or Flow?
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ABSTRACT:
SUBMITTER: Cooper LB
PROVIDER: S-EPMC4779722 | biostudies-literature | 2016 Mar
REPOSITORIES: biostudies-literature
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Hemodynamic Predictors of Heart Failure Morbidity and Mortality: Fluid or Flow?
Cooper Lauren B LB Mentz Robert J RJ Stevens Susanna R SR Felker G Michael GM Lombardi Carlo C Metra Marco M Stevenson Lynne W LW O'Connor Christopher M CM Milano Carmelo A CA Patel Chetan B CB Rogers Joseph G JG
Journal of cardiac failure 20151215 3
<h4>Background</h4>Patients with advanced heart failure may continue for prolonged times with persistent hemodynamic abnormalities; intermediate- and long-term outcomes of these patients are unknown.<h4>Methods and results</h4>We used ESCAPE (Evaluation Study of Congestive Heart Failure and Pulmonary Artery Catheterization Effectiveness) trial data to examine characteristics and outcomes of patients with invasive hemodynamic monitoring during an acute heart failure hospitalization. Patients were ...[more]
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Project description:ObjectiveThe purpose of this study was to identify predictors of incident diabetes during follow-up of nondiabetic patients with chronic heart failure (CHF) in the Candesartan in Heart Failure Assessment of Reduction in Mortality and Morbidity (CHARM) program.Research design and methodsA total of 1,620 nondiabetic patients had full baseline datasets. We compared baseline demographic, medication, and laboratory data for patients who did or did not develop diabetes and conducted logistic regression and receiver operator characteristic curve analyses.ResultsOver a median period of 2.8 years, 126 of the 1,620 patients (7.8%) developed diabetes. In multiple logistic regression analysis, the following baseline characteristics were independently associated with incident diabetes in decreasing order of significance by stepwise selection: higher A1C (odds ratio [OR] 1.78 per 1 SD increase; P < 0.0001), higher BMI (OR 1.64 per 1 SD increase; P < 0.0001), lipid-lowering therapy (OR 2.05; P = 0.0005), lower serum creatinine concentration (OR 0.68 per 1 SD increase; P = 0.0018), diuretic therapy (OR 4.81; P = 0.003), digoxin therapy (OR 1.65; P = 0.022), higher serum alanine aminotransferase concentration (OR 1.15 per 1 SD increase; P = 0.027), and lower age (OR 0.81 per 1 SD increase; P = 0.048). Using receiver operating characteristic curve analysis, A1C and BMI yielded areas under the curve of 0.723 and 0.712, respectively, increasing to 0.788 when combined. Addition of other variables independently associated with diabetes risk minimally improved prediction of diabetes.ConclusionsIn nondiabetic patients with CHF in CHARM, A1C and BMI were the strongest predictors of the development of diabetes. Other minor predictors in part reflected CHF severity or drug-associated diabetes risk. Identifying patients with CHF at risk of diabetes through simple criteria appears possible and could enable targeted preventative measures.
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Project description:BackgroundTo assess the prognostic significance of four inflammatory markers (TNF-?, high sensitive C-reactive protein (hs-CRP), intercellular cell adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1)) in chronic heart failure (CHF) patients with respect to individual outcomes, especially disease exacerbation and mortality.MethodsPlasma adhesion molecules, ICAM-1, and VCAM-1, together with TNF-? and hs-CRP were determined in 120 CHF patients and 69 healthy controls. Endothelial function was also estimated by flow-mediated brachial artery dilatation.ResultsIncreased levels of all investigated inflammatory markers were found in CHF patients compared to controls, with the rise more pronounced in New York Heart association (NYHA) functional IV class. Significant correlations were obtained for VCAM-1 and brain natriuretic peptide (r = 0.191; P = 0.038), as well as, ICAM-1 and endothelium-dependent vasodilatation (r = -0.235; P = 0.01). Kaplan-Meier analysis showed disease exacerbation in patients with TNF-? levels >2.78 pg/ml significantly shorter compared to those with TNF-? levels <2.78 pg/ml (log-rank test = 8.270; P = 0.004), while similar association was observed for patients with hs-CRP levels >4.76 mg/l (log-rank test = 5.052; P = 0.025) and VCAM-1 levels >1200 ng/l (log-rank test = 5.45; P = 0.020) with respect to mortality. Cox regression analysis demonstrated only VCAM-1 (HR = 4.7; 95% confidence interval (CI): 1.1-18.7; P = 0.030) as independent death predictor, while TNF-? was associated with disease exacerbation (HR = 8.2; 95%CI: 1.1-23.0; P = 0.045).ConclusionsVCAM-1 appears to be useful in risk stratification of CHF patients and in screening, to identify subjects at risk for heart failure related events.
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Project description:The intraaortic balloon pump (IABP) is currently an essential tool to improve hemodynamics in patients with advanced heart failure (HF). This study investigated predictors for hemodynamic improvement or stabilization with IABP therapy in patients with advanced HF.Patients with advanced HF and hemodynamic deterioration treated with IABP were enrolled in this retrospective study. Invasive hemodynamics were measured before IABP implantation and 2 weeks after IABP initiation. Significant degree of hemodynamic improvement was defined as 30% improvement in all three of the following variables: central venous pressure (CVP); pulmonary capillary wedge pressure (PCWP); and cardiac index (CI). Hemodynamic stabilization was counted in patients reaching CVP <12 mm Hg, PCWP <18 mm Hg, and CI >2.0 L/min/m² or CI >2.2 L/min/m² on inotropes.Ninety-one patients (55 ± 12 years; 78% males) were evaluated. Seventeen patients (18.7%) achieved significant hemodynamic improvement, and baseline CVP >16 mm Hg was associated with this endpoint (P<.05). Thirty-two patients (35.2%) achieved hemodynamic stabilization; lower baseline heart rate (HR) and PCWP were associated with this stabilization (P<.05). Patients with HR <92 beats/min and PCWP <25 mm Hg achieved hemodynamic stabilization more frequently than those without HR <92 beats/min and PCWP <25 mm Hg (66.7% vs 19.7%; P<.05).Elevated CVP and lower HR and PCWP before IABP initiation help predict high response to IABP.
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Project description:BACKGROUND:Pulmonary hypertension (PH) in adults with sickle cell disease (SCD) is associated with early mortality, but no prior studies have evaluated quantitative relationships of mortality to physiological measures of pre- and postcapillary PH. OBJECTIVES:To identify risk factors associated with mortality and to estimate the expected survival in a cohort of patients with SCD with PH documented by right heart catheterization. METHODS:Nine-year follow-up data (median, 4.7 yr) from the National Institutes of Health SCD PH screening study are reported. A total of 529 adults with SCD were screened by echocardiography between 2001 and 2010 with no exclusion criteria. Hemodynamic data were collected from 84 patients. PH was defined as mean pulmonary artery pressure (PAP) ? 25 mm Hg. Survival rates were estimated by the Kaplan-Meier method, and mortality risk factors were analyzed by the Cox proportional hazards regression. MEASUREMENTS AND MAIN RESULTS:Specific hemodynamic variables were independently related to mortality: mean PAP (hazard ratio [HR], 1.61; 95% confidence interval [CI], 1.05-2.45 per 10 mm Hg increase; P = 0.027), diastolic PAP (HR, 1.83; 95% CI, 1.09-3.08 per 10 mm Hg increase; P = 0.022), diastolic PAP - pulmonary capillary wedge pressure (HR, 2.19; 95% CI, 1.23-3.89 per 10 mm Hg increase; P = 0.008), transpulmonary gradient (HR, 1.78; 95% CI, 1.14-2.79 per 10 mm Hg increase; P = 0.011), and pulmonary vascular resistance (HR, 1.44; 95% CI, 1.09-1.89 per Wood unit increase; P = 0.009) as risk factors for mortality. CONCLUSIONS:Mortality in adults with SCD and PH is proportional to the physiological severity of precapillary PH, demonstrating its prognostic and clinical relevance despite anemia-induced high cardiac output and less severely elevated pulmonary vascular resistance.
| S-EPMC3707372 | biostudies-literature
Project description:BackgroundIdiopathic pulmonary fibrosis (IPF) can lead to the development of pulmonary hypertension, which is associated with an increased risk of death. In pulmonary arterial hypertension, survival is directly related to the capacity of the right ventricle to adapt to elevated pulmonary vascular load. The relative importance of right ventricular function in IPF is not well understood. Our objective was to evaluate right ventricular echocardiographic and hemodynamic predictors of mortality in a cohort of patients with IPF referred for lung transplant evaluation.MethodsWe performed a retrospective cohort study of 135 patients who met 2011 American Thoracic Society/European Respiratory Society criteria for IPF and who were evaluated for lung transplantation at the Hospital of the University of Pennsylvania.ResultsRight ventricle:left ventricle diameter ratio (hazard ratio [HR], 4.5; 95% CI, 1.7-11.9), moderate to severe right atrial and right ventricular dilation (HR, 2.9; 95% CI, 1.4-5.9; and HR, 2.7; 95% CI, 1.4-5.4, respectively) and right ventricular dysfunction (HR, 5.5; 95% CI, 2.6-11.5) were associated with an increased risk of death. Higher pulmonary vascular resistance was also associated with increased mortality (HR per 1 Wood unit, 1.3; 95% CI, 1.1-1.5). These risk factors were independent of age, sex, race, height, weight, FVC, and lung transplantation status. Other hemodynamic indices, such as mean pulmonary artery pressure and cardiac index, were not associated with outcome.ConclusionsRight-sided heart size and right ventricular dysfunction measured by echocardiography and higher pulmonary vascular resistance by invasive hemodynamic assessment predict mortality in patients with IPF evaluated for lung transplantation.
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Project description:AimHeart failure is a global problem that is increasing in prevalence. We undertook the initiative to compile the Vellore Heart Failure Registry (VHFR) to assess the clinical profile, mortality, risk factors and economic burden of heart failure by conducting a prospective, observational, hospital-based cohort study in Vellore, Tamil Nadu.Methods and resultsThis study was a prospective observational cohort study conducted at the Christian Medical College and Hospital, Vellore, between January 2014 and December 2016. A total of 572 patients who satisfied the Boston criteria for "definite heart failure" were included and the primary outcome was all-cause mortality. The median duration of hospital stay was eight days and the in-hospital, one, three and six month mortalities were 13.25%, 27.3%, 32.53% and 38.15%, respectively. The median duration of survival was 921 days. Readmission for heart failure constituted 42%, and the most common cause of decompensation was an infection(31.5%). The presence of cyanosis at admission, history of previous stroke or transient ischemic attack, and American College of Cardiology (ACC)/American Heart Association (AHA) stage D at the time of discharge were independently associated with mortality at six months. The median total direct cost of admission was INR 84,881.00 ($ 1232.34) CONCLUSION: The VHFR cohort had younger, more diabetic, and fewer hypertensive subjects than most cohorts. Admission for heart failure is a catastrophic health expenditure. Attempts should be made to ensure a reduction in readmission rates by targeting goal-directed therapy. As the most common cause of acute decompensation is pneumonia, vaccinating all patients before discharge may also help in this regard.
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Project description:ImportanceAccurate prediction of risk of death or hospitalizations in patients with heart failure (HF) may allow physicians to explore how more accurate decisions regarding appropriateness and timing of disease-modifying treatments, advanced therapies, or the need for end-of-life care can be made.ObjectiveTo develop and validate a prognostic model for patients with HF.Design, setting, and participantsMultivariable analyses were performed in a stepwise fashion. Harrell C statistic was used to assess the discriminative ability. The derivation cohort was Prospective Comparison of ARNI With ACEI to Determine Impact on Global Mortality and Morbidity in Heart Failure trial (PARADIGM-HF) participants. The models were validated using the Aliskiren Trial to Minimize Outcomes in Patients with Heart Failure Trial (ATMOSPHERE) study and in the Swedish Heart Failure Registry (SwedeHF). A total of 8399 participants enrolled in PARADIGM-HF. Data were analyzed between June 2016 and June 2018.Main outcomes and measuresCardiovascular death, all-cause mortality, and the composite of cardiovascular death or HF hospitalization at both 1 and 2 years.ResultsComplete baseline clinical data were available for 8011 patients in PARADIGM-HF. The mean (SD) age of participants was 64 (11.4) years, 78.2% were men (n = 6567 of 8399), and 70.6% were New York Heart Association class II (n = 5919 of 8399). During a mean follow-up of 27 months, 1546 patients died, and 2031 had a cardiovascular death or HF hospitalization. The common variables were: male sex, race/ethnicity (black or Asian), region (Central Europe or Latin America), HF duration of more than 5 years, New York Heart Association class III/ IV, left ventricular ejection fraction, diabetes mellitus, β-blocker use at baseline, and allocation to sacubitril/valsartan. Ranked by χ2, N-terminal pro brain natriuretic peptide was the single most powerful independent predictor of each outcome. The C statistic at 1 and 2 years was 0.74 (95% CI, 0.71-0.76) and 0.71 (95% CI, 0.70-0.73) for the primary composite end point, 0.73 (95% CI, 0.71-0.75) and 0.71 (95% CI, 0.69-0.73) for cardiovascular death, and 0.71 (95% CI, 0.69-0.74) and 0.70 (95% CI, 0.67-0.74) for all-cause death, respectively. When validated in ATMOSPHERE, the C statistic at 1 and 2 years was 0.71 (95% CI, 0.69-0.72) and 0.70 (95% CI, 0.68-0.71) for the primary composite end point, 0.71 (95% CI, 0.69-0.74) and 0.70 (95% CI, 0.69-0.72) for cardiovascular death, and 0.71 (95% CI, 0.69-0.74) and 0.70 (95% CI, 0.68-0.72) for all-cause death, respectively. An online calculator was created to allow calculation of an individual's risk (http://www.predict-hf.com).Conclusions and relevancePredictive models performed well and were developed and externally validated in large cohorts of geographically representative patients, comprehensively characterized with clinical and laboratory data including natriuretic peptides, who were receiving contemporary evidence-based treatment.
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Project description:AimsLiver fibrosis scores (LFSs) are non-invasive and effective tools for estimating cardiovascular risks. To better understand the advantages and limitations of currently available LFSs, we determined to compare the predictive values of LFSs in heart failure with preserved ejection fraction (HFpEF) for primary composite outcome, atrial fibrillation (AF), and other clinical outcomes.Methods and resultsThis was a secondary analysis of the TOPCAT trial, and 3212 HFpEF patients were enrolled. Five LFSs, namely, non-alcoholic fatty liver disease fibrosis score (NFS), fibrosis-4 score (FIB-4), BARD, aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, and Health Utilities Index (HUI) scores were adopted. Cox proportional hazard model and competing risk regression model were performed to assess the associations between LFSs and outcomes. The discriminatory power of each LFS was evaluated by calculating the area under the curves (AUCs). During a median follow-up of 3.3 years, a 1-point increase in the NFS [hazard ratio (HR) 1.10; 95% confidence interval (CI) 1.04-1.17], BARD (HR 1.19; 95% CI 1.10-1.30), and HUI (HR 1.44; 95% CI 1.09-1.89) scores was associated with an increased risk of primary outcome. Patients with high levels of NFS (HR 1.63; 95% CI 1.26-2.13), BARD (HR 1.64; 95% CI 1.25-2.15), AST/ALT ratio (HR 1.30; 95% CI 1.05-1.60), and HUI (HR 1.25; 95% CI 1.02-1.53) were at an increased risk of primary outcome. Subjects who developed AF were more likely to have high NFS (HR 2.21; 95% CI 1.13-4.32). High levels of NFS and HUI scores were a significant predictor of any hospitalization and hospitalization for heart failure. The AUCs for the NFS in predicting primary outcome (0.672; 95% CI 0.642-0.702) and incident of AF (0.678; 95% CI 0.622-0.734) were higher than other LFSs.ConclusionsIn light of these findings, NFS appears to have superior predictive and prognostic utility compared with AST/ALT ratio, FIB-4, BARD, and HUI scores.Clinical trial registration(https://clinicaltrials.gov). Unique identifier: NCT00094302.
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Project description:Background:Chronic heart failure (CHF) is a global health burden. Despite advances in treatment, there remain well-recognised morbidity and mortality. Risk stratification requires the identification and validation of biomarkers, old and new. Hyponatremia has re-emerged as a prognostic marker in CHF patients. Methods:This is a retrospective cohort study on 241 CHF patients recruited from King Fahd Hospital of the University, Al-Khobar, Saudi Arabia (January 2005-December 2016). Their serum sodium and biochemical parameters were measured at baseline, along with 2-D echocardiographic assessments of left ventricular mass and ejection fraction. The primary endpoint was the association between hyponatremia and all-cause mortality (ACM) after a follow-up period of 24 months. Results:Mean age of patients was 60.61 ± 12.63 (SD) years; 65.1% were males, and type 2 diabetes mellitus (DM) was present in 71%. Baseline serum sodium was 138.00 (136, 140) (median and interquartile range). Hyponatremia (<135 meq/L) was present in 14.1%. After follow-up, 46 deaths had occurred. Multivariate Cox-proportional hazard model showed that type 2 DM, New York Heart Association (NYHA) class (III-IV vs I-II), age, and left ventricular mass index (LVMI) were significant and independent predictors of ACM, with HR 3.03 (95% CI; 1.13, 8.16) (P=0.028), HR 2.31 (95% CI; 1.11, 4.82) (P=0.026), HR 1.06 (95% CI; 1.03, 1.09) (P<0.001), and HR 1.01 (95% CI; 1.00, 1.02) (P=0.039), respectively. Estimated glomerular filtration rate (eGFR) was not a significant predictor. Kaplan-Meier survival analysis was used for the analysis of NYHA class and hyponatremia interactions and showed that hyponatremia had an association with poorer survival in patients with NYHA class III-IV rather than I-II (Log-rank test, P= 0.0009). Conclusion:Hyponatremia was a feature in CHF patients, and ACM was predicted by type 2 DM, NYHA class, age, and LVMI. Hyponatremia impact on survival was in patients with more advanced disease.
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