P6352The antimicrobial protein Azurocidin-1 is associated with prevalent diastolic dysfunction and incident congestive heart failure in a Swedish population cohort

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
J Molvin ◽  
M Pareek ◽  
O Melander ◽  
L Rastam ◽  
U Lindblad ◽  
...  

Abstract Background Although Azurocidin-1 (Azu-1), also known as heparin binding protein, has been associated with myocardial infarction, possible associations of Azu-1 with congestive heart failure (CHF) remains unknown. Here we tested the possible association of Azu-1 with prevalent diastolic dysfunction and/or incident CHF in a large Swedish prospective population based cohort. Methods Azu-1 was analyzed using the Proseek Multiplex CVD III panel in 1737 participants from a subsample of the population (mean age 67 years, 29% women) who underwent a complete echocardiographic examination. All biomarkers were logarithmized and standardized prior to statistical analysis. Logistic and linear regression were adjusted for age, sex, BMI, diabetes, systolic and diastolic blood, anti-hypertensive treatment and subjects with an ejection fraction below 50% were excluded for the analysis of prevalent diastolic dysfunction and Azu-1. For the linear regression model, we used E/é ratio as a key functional variable in assessing diastolic function according to ESC 2016 Guidelines for Acute and Chronic Heart Failure. Furthermore, we dichotomized the E/é ratio at >13 in another logistic regression model. Finally, in line with ESC Guidelines 2016, we combined the key functional (E/é >13) and key structural (left ventricular mass index (LVMI) ≥115 g/m2 for males and ≥95 g/m2 for females) alterations for diastolic dysfunction and used this variable in both logistic regression for association with Azu-1 and for Cox regression analysis of incident CHF. 1439 subjects (938 cases with some degree of diastolic dysfunction and 501 controls) remained for the analysis. For the analysis of incident CHF, Cox regression was used excluding subjects with ejection fraction below 50% and prevalent CHF and further adjusted for prevalent coronary disease on top of age, sex, BMI, diabetes, systolic and diastolic blood and anti-hypertensive treatment. 1,511 subjects (64 incident cases of CHF vs 1447 controls; median follow up time 8.9 years) remained. Results After adjustment for above mentioned risk factors, each 1 standard deviation (SD) of increase in Azu-1 was associated with any degree of prevalent diastolic dysfunction (odds ratio (OR) 1.13, p=0.048), E/é >13 OR 1.21, p=0.028 and for combined LVMI and E/é OR 1.17, p=0.015. In fully adjusted linear regression Azu-1 was associated with E/é with a β-coefficient of 0.056, p=0.018. In a fully adjusted Cox regression models Azu-1 was associated with incident CHF (hazard ratio (HR) 1.32, p=0.025). As expected and as proof of concept E/é >13 and combined LVMI with E/é were also associated with incident CHF; HR 2.84, p<0.001 and HR 2.12, p=0.006, respectively. Conclusion An inflammatory mediator, Azurocidin-1, is associated with prevalent diastolic dysfunction, E/é, E/é combined with LVMI as well as incident congestive heart failure in a population-based cohort.


Author(s):  
Jan-Per Wenzel ◽  
Ramona Bei der Kellen ◽  
Christina Magnussen ◽  
Stefan Blankenberg ◽  
Benedikt Schrage ◽  
...  

Abstract Aim Left ventricular diastolic dysfunction (DD), a common finding in the general population, is considered to be associated with heart failure with preserved ejection faction (HFpEF). Here we evaluate the prevalence and correlates of DD in subjects with and without HFpEF in a middle-aged sample of the general population. Methods and results From the first 10,000 participants of the population-based Hamburg City Health Study (HCHS), 5913 subjects (mean age 64.4 ± 8.3 years, 51.3% females), qualified for the current analysis. Diastolic dysfunction (DD) was identified in 753 (12.7%) participants. Of those, 11.2% showed DD without HFpEF (ALVDD) while 1.3% suffered from DD with HFpEF (DDwHFpEF). In multivariable regression analysis adjusted for major cardiovascular risk factors, ALVDD was associated with arterial hypertension (OR 2.0, p < 0.001) and HbA1c (OR 1.2, p = 0.007). Associations of both ALVDD and DDwHFpEF were: age (OR 1.7, p < 0.001; OR 2.7, p < 0.001), BMI (OR 1.2, p < 0.001; OR 1.6, p = 0.001), and left ventricular mass index (LVMI). In contrast, female sex (OR 2.5, p = 0.006), atrial fibrillation (OR 2.6, p = 0.024), CAD (OR 7.2, p < 0.001) COPD (OR 3.9, p < 0.001), and QRS duration (OR 1.4, p = 0.005) were strongly associated with DDwHFpEF but not with ALVDD. Conclusion The prevalence of DD in a sample from the first 10,000 participants of the population-based HCHS was 12.7% of whom 1.3% suffered from HFpEF. DD with and without HFpEF showed significant associations with different major cardiovascular risk factors and comorbidities warranting further research for their possible role in the formation of both ALVDD and DDwHFpEF.



2020 ◽  
pp. 1-9

Heart Failure with preserved Ejection Fraction (HFpEF) is a clinical syndrome in which patients have symptoms of Heart Failure (HF), such as dyspnea and fatigue, a Left Ventricular Ejection Fraction (LVEF) ≥ 50% and evidence of cardiac dysfunction as a cause of symptoms, such as abnormal Left Ventricular (LV) diastolic dysfunction with elevated filling pressures. Besides LV diastolic dysfunction, recent investigations suggest a more complex and heterogeneous pathophysiology, including systolic reserve abnormalities, chronotropic incompetence, stiffening of ventricular tissue, atrial dysfunction, secondary Pulmonary Arterial Hypertension (PAH), impaired vasodilatation and endothelial dysfunction. Unlike Heart Failure with Reduced Ejection Fraction (HFrEF), clinical trials over the years have not yet identified effective treatments that reduce mortality in patients with HFpEF. A database on use of carvedilol in a private cardiologist's practice was begun in 1997 and concluded at the end of 2018. We used this database to test the hypothesis that combining pharmacological interventions to address diastolic dysfunction (carvedilol), volume overload (spironolactone/eplerenone) and endothelial dysfunction (statins) with weight loss may benefit patients with HFpEF. We report analysis of 335 patients with HFpEF comprised of 61% female (mean age 74 ± 8) and 39% males (mean age 72 ± 7). Initial EF ranged between 50 and 77% with mean EF of 57 ± 6%. Only 15 patients were changed to metoprolol succinate, verapamil or diltiazem because of adverse side effects. Two hundred and twenty of the patients were in normal sinus rhythm when started on carvedilol, spironolactone/eplerenone and statin therapy with weight loss counseling. After 5 years, 191 patients were still on combination therapy, and only 31 (17%) had developed Atrial Fibrillation (AF). Compared to previous HFpEF trials reporting a 32% risk of developing atrial fibrillation after 4 years, our combination therapy significantly (p < 0.05) reduced the risk of developing AF over 5 years. Thus, irrespective of age and sex with comorbidities of type 2 Diabetes Mellitus (DM) and Chronic Kidney Disease (CKD), patients with HFpEF can be managed successfully with carvedilol, spironolactone/eplerenone and statins with a clinical benefit being a reduced risk of developing AF. We consider these data hypothesis-generating and hope these results will be tested further in database analyses and clinical trials.



2005 ◽  
Vol 11 (9) ◽  
pp. S309
Author(s):  
Takuya Kishi ◽  
Akira Yamada ◽  
Hiroshi Ando ◽  
Atsushi Sobashima ◽  
Yoshihiro Fukumoto ◽  
...  


2018 ◽  
Vol 26 (6) ◽  
pp. 613-623 ◽  
Author(s):  
Aisha Gohar ◽  
Rogier F Kievit ◽  
Gideon B Valstar ◽  
Arno W Hoes ◽  
Evelien E Van Riet ◽  
...  

Background The prevalence of undetected left ventricular diastolic dysfunction is high, especially in the elderly with comorbidities. Left ventricular diastolic dysfunction is a prognostic indicator of heart failure, in particularly of heart failure with preserved ejection fraction and of future cardiovascular and all-cause mortality. Therefore we aimed to develop sex-specific diagnostic models to enable the early identification of men and women at high-risk of left ventricular diastolic dysfunction with or without symptoms of heart failure who require more aggressive preventative strategies. Design Individual patient data from four primary care heart failure-screening studies were analysed (1371 participants, excluding patients classified as heart failure and left ventricular ejection fraction <50%). Methods Eleven candidate predictors were entered into logistic regression models to be associated with the presence of left ventricular diastolic dysfunction/heart failure with preserved ejection fraction in men and women separately. Internal-external cross-validation was performed to develop and validate the models. Results Increased age and β-blocker therapy remained as predictors in both the models for men and women. The model for men additionally consisted of increased body mass index, moderate to severe shortness of breath, increased pulse pressure and history of ischaemic heart disease. The models performed moderately and similarly well in men (c-statistics range 0.60–0.75) and women (c-statistics range 0.51–0.76) and the performance improved significantly following the addition of N-terminal pro b-type natriuretic peptide (c-statistics range 0.61–0.80 in women and 0.68–0.80 in men). Conclusions We provide an easy-to-use screening tool for use in the community, which can improve the early detection of left ventricular diastolic dysfunction/heart failure with preserved ejection fraction in high-risk men and women and optimise tailoring of preventive interventions.



2019 ◽  
Vol 57 (215) ◽  
Author(s):  
Raj Kumar Thapa ◽  
Kanchan K.C ◽  
Rishi Khatri ◽  
Devendra Khatri ◽  
Rajeeb Kumar Deo ◽  
...  

Introduction: Cardiomyopathies are diseases of heart muscle that may originate from genetic defects, cardiac myocyte injury or infiltration of myocardial tissues. Dilated cardiomyopathy is the most common phenotype and is often a final common pathway of numerous cardiac insults. Mostly it remains unknown in the absence of echocardiography, histopathology and genetic evaluation. Though common it is underdiagnosed with not much of data available in our setup.Methods: This study was analytical cross-sectional study of hospital data on Echocardiographic findings in 65 patients of DCM visiting cardiology unit for Echocardiographic evaluation from 1st of February to 31st July 2018 for the period of six months in Shree Birendra Hospital, a tertiary care military hospital at Chhauni, Kathmandu. Pediatric age group patients and those who refused to give consent were excluded. Data obtained were entered in Microsoft Excel 2010 and analyzed by IBM SPSS 21.Results: Among 65 patients enrolled 40 (61%) were male and 25 (39%) female with male to female ratio of 1.6:1. Elderly people (61-75 years) with an average age of 65 were commonly involved and they presented mostly with congestive heart failure, 32 (49%). Echocardiographic evaluation showed 36 (55%) with mildly dilated Left Ventricle (5.6-6.0cm). Majority had reduced Left ventricular systolic function with an average Ejection fraction (EF) of 39.6%. No significant difference between male and female with the average EF% (P=0.990) and there was no significant relation between age and average EF% (P=0.091).Conclusions: Dilated Cardiomyopathy is the commonest cardiomyopathy phenotype mostly presenting with congestive heart failure. It is often underdiagnosed in our part of the world, however echocardiography will easily detect the condition. Keywords: dilated cardiomyopathy; echocardiography; ejection fraction; left ventricle.



2018 ◽  
Vol 124 (1) ◽  
pp. 76-82 ◽  
Author(s):  
Michinari Hieda ◽  
Erin Howden ◽  
Shigeki Shibata ◽  
Takashi Tarumi ◽  
Justin Lawley ◽  
...  

The beat-to-beat dynamic Starling mechanism (DSM), the dynamic modulation of stroke volume (SV) because of breath-by-breath changes in left-ventricular end-diastolic pressure (LVEDP), reflects ventricular-arterial coupling. The purpose of this study was to test whether the LVEDP-SV relationship remained impaired in heart failure with preserved ejection fraction (HFpEF) patients after normalization of LVEDP. Right heart catheterization and model-flow analysis of the arterial pressure waveform were performed while preload was manipulated using lower-body negative pressure to alter LVEDP. The DSM was compared at similar levels of LVEDP between HFpEF patients ( n = 10) and age-matched healthy controls ( n = 12) (HFpEF vs. controls: 10.9 ± 3.8 vs. 11.2 ± 1.3 mmHg, P = 1.00). Transfer function analysis between diastolic pulmonary artery pressure (PAD) representing dynamic changes in LVEDP vs. SV index was applied to obtain gain and coherence of the DSM. The DSM gain was significantly lower in HFpEF patients than in the controls, even at a similar level of LVEDP (0.46 ± 0.19 vs. 0.99 ± 0.39 ml·m−2·mmHg−1, P = 0.0018). Moreover, the power spectral density of PAD, the input variability, was greater in the HFpEF group than the controls (0.75 ± 0.38 vs. 0.28 ± 0.26 mmHg2, P = 0.01). Conversely, the power spectral density of SV index, the output variability, was not different between the groups ( P = 0.97). There was no difference in the coherence, which confirms the reliability of the linear transfer function between the two groups (0.71 ± 0.13 vs. 0.77 ± 0.19, P = 0.87). The DSM gain in HFpEF patients is impaired compared with age-matched controls even at a similar level of LVEDP, which may reflect intrinsic LV diastolic dysfunction and incompetence of ventricular-arterial coupling. NEW & NOTEWORTHY The beat-to-beat dynamic Starling mechanism (DSM), the dynamic modulation of stroke volume because of breath-by-breath changes in left-ventricular end-diastolic pressure (LVEDP), reflects ventricular-arterial coupling. Although the DSM gain is impaired in heart failure with preserved ejection fraction (HFpEF) patients, it is not clear whether this is because of higher LVEDP or left-ventricular diastolic dysfunction. The DSM gain in HFpEF patients is severely impaired, even at a similar level of LVEDP, which may reflect intrinsic left-ventricular diastolic dysfunction.



Circulation ◽  
2015 ◽  
Vol 132 (suppl_3) ◽  
Author(s):  
Eiichiro Yamamoto ◽  
Keisuke Ohba ◽  
Yoshihiro Hirata ◽  
Takanori Tokitsu ◽  
Koichi Sugamura ◽  
...  

Introduction: The optimal treatment for heart failure (HF) with preserved left ventricular (LV) ejection fraction (EF) (HFpEF) has not been established. Using an experimental model of HFpEF, we previously reported a novel mechanism underlying reversal of endothelial dysfunction and HFpEF by AT1 receptor blocker (ARB). By performing this study (ORION: OlmesaRtan Improvement endothelial functiON with hypertension study), we examined the effects of ARB on hypertensive HFpEF patients, focusing on reactive oxygen species (ROS). Methods and Results: We examined prospectively 20 hypertensive HFpEF patients, taking any renin-angiotensin system inhibitors, switched to appreciable amounts of highly-selective ARB; olmesartan (average dosage amounts: 22.9 mg/day) for 3 months. Despite no additive hypotensive effects of olmesartan, endothelial dysfunction assessed by fingertrip digital reactive hyperemia (RH) peripheral arterial tonometry using Endo-PAT2000 was significantly reversed (RH-index; 1.57±0.34 to 1.87±0.50, P=0.034), accompanied by significant reduction of serum derivatives of reactive oxidative metabolites levels, novel biomarker of ROS (362.8±13.7 to 302.1±9.4 unit called the Carratelli unit [U.CARR], P=0.001). Olmesartan treatments significantly improved cardiac diastolic function evaluated by the ratio of early transmitral flow velocity to tissue doppler early diastolic mitral annular velocity (15.4 to 11.0, P<0.001) but not LVEF and LV anterior wall thickness in echocardiography, and decreased plasma B-type natriuretic peptide levels (214.9 to 191.4, P<0.05) in HFpEF patients. Additionaly, olmesartan significantly increased plasma superoxide dismutase activity (2.39±0.73 to 3.06±0.78 U/mL, P=0.02) and adiponectin levels (2.66±1.55 to 4.12±1.99 μg/mL, P<0.05), but not affect plasma nitrates and nitrites (NO3-/NO2-) levels (53.2±28.1 to 62.9±28.4 μmol/L). Conclusions: These data suggested that strong AT1 receptor blockade by olmesartan restored not only endothelial dysfunction but cardiac diastolic dysfunction in HFpEF beyond hypotensive effects. Increased in SOD activities and adiponectin levels, but not nitric oxide levels, might contribute to these beneficial effects of olmesartan.



2018 ◽  
Vol 24 (25) ◽  
pp. 2960-2966
Author(s):  
Zorana Vasiljevic ◽  
Gordana Krljanac ◽  
Marija Zdravkovic ◽  
Ratko Lasica ◽  
Danijela Trifunovic ◽  
...  

Background: The Heart Failure with Preserved Ejection Fraction (HFpEF) is defined as the preserved left ventricular ejection fraction (LVEF) with the signs of heart failure, elevated natriuretic peptides, and either the evidence of the structural heart disease or diastolic dysfunction. The importance of this form of heart failure was increased after studies where the mortality rates and readmission to the hospital were founded similar as in patients with HF and reduced EF (HFrEF). Coronary microvascular ischemia, cardiomyocyte injury and stiffness could be important factors in the pathophysiology of HFpEF. Methods: The goal of this work is to analyse the relationship of HFpEF and coronary microcirculation in previous studies. Results: The useful diagnostic marker of coronary microcirculation in HFpEF may be the parameters measured by transthoracic echocardiography (TTE), the coronary flow reserve (CFR), as well as fractional flow reserve (FFR) and quantitative myocardial contrast echocardiography (MCE). Cardiac magnetic resonance (CMR) imaging represents the diagnostic gold standard in HFpEF. Coronary microvascular dysfunction in the absence of obstructive coronary artery disease (CAD) is poorly understood and may be more prevalent amongst women than men. Troponin level may be important in risk stratification of HEpEF patients. Conclusion: There are no precise answers with respect to the pathophysiological mechanism, nor are there any precise practical clinical assessment of and diagnostic method for coronary microvascular dysfunction and diastolic dysfunction. In accordance with that, there is no well-established treatment for HFpEF.



2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
E Sakaguchi ◽  
A Yamada ◽  
M Hoshino ◽  
K Takada ◽  
N Hoshino ◽  
...  

Abstract Purposes We examined how changes in left ventricular (LV) global longitudinal strain (GLS) were associated with prognosis in patients with preserved LV ejection fraction (LVEF) after congestive heart failure (HF) admission. Methods We studied 123 consecutive patients (age 70 ± 15 years, 55% male) who had been hospitalized due to congestive HF with preserved LVEF (&gt; 50%). The exclusion criteria were atrial fibrillation and inadequate echo image quality for strain analyses. The patients underwent speckle-tracking echocardiography and measurement of plasma NT-ProBNP levels on the same day at the time of hospital admission as well as in the stable condition after discharge. Differences in GLS, LVEF and NT-ProBNP (delta GLS, LVEF and NT-ProBNP ; 2nd – 1st measurements) were calculated. The study end points were all-cause mortality and cardiac events. Results Mean periods of echo performance after hospitalization were 2 ±1days (1st echo) and 240 ± 289 days (2nd echo), respectively. During the follow-up (974 ± 626 days), 12 patients died and 25 patients were hospitalized because of HF worsening. In multivariate analysis, delta GLS and follow-up GLS were prognostic factors, whereas baseline and follow-up LVEF, NT-ProBNP, changes in LVEF and NT-ProBNP could not predict cardiac events. Delta GLS (p = 0.002) turned out to be the best independent prognosticator. Receiver operating characteristics analysis revealed that -0.6% of delta GLS was the optimal cut-off value to predict cardiac events and mortality (sensitivity 76%, specificity 67%, AUC 0.75). Kaplan-Meier analysis showed that patients with delta GLS more than -0.6% experienced significantly less cardiac events during the follow-up period (p &lt; 0.0001, log-rank). Conclusion A change in LV GLS after congestive HF admission was a predictor of the prognosis in patients with preserved LVEF. It would be useful to check the changes in GLS in those with preserved LVEF after discharge.



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