scholarly journals P658 Impact of hyperuricemia on left ventricular longitudinal systolic function in uncomplicated hypertensive patients

2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
M Lembo ◽  
V Fazio ◽  
V Capone ◽  
L Esposito ◽  
R Sorrentino ◽  
...  

Abstract Background Hyperuricemia has been reported to accelerate the occurrence and worsening of cardiovascular disease, being a risk factor for coronary heart disease and cardiac mortality. Elevated uric acid (UA) is also associated with left ventricular (LV) hypertrophy and with LV diastolic dysfunction. The effect of hyperuricemia (HU) on LV systolic function is still unclear. Purpose Aim of our study was to evaluate the impact of elevated UA serum levels on LV systolic function, also evaluating longitudinal deformation, in a population of hypertensive patients. Methods We enrolled 160 treated hypertensive patients (M/F = 104/56, age 58.2 ± 13.3 years, blood pressure = 136.7 ± 16.8/81.3 ± 10.9 mmHg), who underwent standard echo-Doppler exam, including speckle tracking quantification of global longitudinal strain (GLS, considered in absolute value). HU was defined as UA≥7 mg/dL and the study population was divided in two groups: patients with (n = 63) and without (n = 97) HU. Exclusion criteria were coronary artery disease, overt heart failure, hemodynamically significant valve heart disease, primary cardiomyopathies, permanent atrial fibrillation and inadequate echo imaging. Results The two groups were comparable for sex prevalence, blood pressure and heart rate. Patients with HU were older and had higher body mass index (BMI) (both p < 0.0001). Prevalence of diabetes mellitus was higher in the group of patients with HU than in patients with normal UA (69% vs. 12% p < 0.0001). Fasting glycaemia was higher (p < 0.0001) and glomerular filtration rate (GFR) lower in HU hypertensives (both p < 0.0001). LV mass index (LVMi) was higher in patients with HU (p < 0.0001). Among diastolic parameters, transmitral E/A ratio (p < 0.0001) was lower, whereas E/e’ ratio (p < 0.0001), E velocity deceleration time and left atrial volume index (both p < 0.001) were higher in HU hypertensives. GLS resulted to be lower in patients with HU (20.8 ± 1.5 vs. 22.3 ± 2.2%, p < 0.0001). LV ejection fraction, despite still in normal range values, was also slightly lower in comparison with controls (60.6 ± 4.0 vs. 62.2 ± 3.9%, p < 0.01). Serum UA levels resulted to be negatively correlated with GLS (r=-0.28, p < 0.0001) (Figure), but not with ejection fraction. By a multiple linear regression analysis performed in the pooled hypertensive population, after adjusting for age, BMI, GFR, fasting glycaemia and LVMi, the association between UA levels and GLS remained significant (standardized beta coefficient =-0.25, p < 0.01), besides the significant impact of age (beta=-0.19 , p < 0.05). Conclusions In hypertensive patients with multiple cardiovascular risk factors, the presence of HU is associated with LV diastolic and systolic dysfunction. Serum UA levels and GLS resulted independently associated even after adjusting for several clinical and echo confounders. Acid uric might be considered as an independent marker of early LV dysfunction, able to identify hypertensive patients at increased risk for heart failure. Abstract P658 Figure. Relation between uric acid and GLS

2020 ◽  
Vol 16 (2) ◽  
pp. 65-70
Author(s):  
Md Noornabi Khondokar ◽  
Khurshed Ahmed ◽  
Mohammad Ashraf Hossain ◽  
Rakibulh Rashed ◽  
Mohamed Mausool Siraj ◽  
...  

Background:Chronic heart failure (CHF) is the most common and prognostically unfavorable outcome of many diseases of the cardiovascular system. Clinical trials have demonstrated mortality and morbidity benefits of mineralocorticoid receptor antagonists (MRAs) in patients with heart failure. These studies have used either eplerenone or spironolactone as the MRA. Eplerenone is a selective aldosterone antagonist expected to have a lower incidence of hormonal side effects than spironolactone. The present study is designed to compare these two drugs in chronic heart failure patients as no head to head trial between these two drugs is found regarding improvement of systolic function, tolerability and safety. The aim of this study is to compare the effects of eplerenone and spironolactone on LV systolic function in patients with chronic heart failure in a single center. Methods:It was a randomized clinical trial single blind study. A total of 224 cases of chronic heart failure with reduced ejection fraction and NYHA class III or IV were selected by random sampling, from July 2017 to June 2018. Each patient was randomly allocated into either of the two arms, and was continued receiving treatment with either spironolactone (Arm-I) or eplerenone(Arm-II). Each patient was evaluated clinically, biochemically and echocardiographically at the beginning of treatment (baseline) at 1 month and at the end of 6th month. Echocardiography was performed to find out change in left ventricular systolic function. Result: After 6 months of treatment, ejection fraction was found higher in the eplerenonearm (40.3 ± 6.5 versus 38.3 ± 4.6%; P < 0.05). Ejection fraction (EF) changes were 6.2% in eplerenone group and 4.1% in spironolactonearm. A significant reduction in left ventricular end-systolic volume (21.9±2.5 in group I versus 14.9±5.7 in group II; P < 0.05) and left ventricular systolic diameter (48.7±4.0 in arm I versus 45.2±4.9 in arm II; P<0.05) occurred after 6 months of treatment. But no significant differences were observed in left ventricular end-diastolic volume (187.8±37.4 versus 184.5±33.9; P=0.101) and left ventricular diastolic diameter (60.1±4.5 versus 61.0±4.9; P=0.0818) between arms. Assessment of blood pressure six months after treatment shows, systolic blood pressure (SBP) and diastolic blood pressure (DBP) were improved in both arms but difference between two arms were statistically non-significant (p>0.05). Conclusion: In this study, the improvement in systolic function was more in eplerenone arm, which also had fewer adverse side effects when compared to spironolactone arm. So, it can be concluded that eplerenone can be advised in patient with chronic heart failure in addition to other drugs that are used to treat heart failure. University Heart Journal Vol. 16, No. 2, Jul 2020; 65-70


Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Amil M Shah ◽  
Brian Claggett ◽  
Nancy K Sweitzer ◽  
Sanjiv J Shah ◽  
Inder S Anand ◽  
...  

Introduction: Left ventricular (LV) systolic function by strain imaging is impaired in heart failure with preserved ejection fraction (HFpEF) but its prognostic relevance is not known. Hypothesis: We hypothesized that worse longitudinal strain (LS) is independently associated with adverse outcomes. Methods: LS was assessed by 2D speckle-tracking echocardiography in a blinded core laboratory at baseline in 447 patients with HFpEF (left ventricular ejection fraction [LVEF] ≥45%) enrolled in the Treatment Of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist (TOPCAT) trial and was related to the primary composite outcome of cardiovascular (CV) death, HF hospitalization, or aborted cardiac arrest, and its components. Results: At a median follow-up of 2.6 (IQR 1.5-3.9) years, 115 patients experienced the primary outcome. Impaired LS, defined as an absolute LS < 15.8%, was present in 53% of patients and was associated with the composite outcome (adjusted HR 2.14, 95% CI 1.26-3.66; p=0.005), CV death alone (adjusted HR 3.20, 95% CI 1.44-7.12; p=0.004), and HF hospitalization alone (adjusted HR 2.23, 95% CI 1.16-4.28; p=0.016) after adjusting for age, gender, race, randomization strata (prior HF hospitalization vs elevated B-type natriuretic peptide level), region of enrollment (Americas vs Russia or Georgia), randomized treatment assignment, history of atrial fibrillation, heart rate, New York Heart Association class, history of stroke, creatinine, hematocrit, LVEF, mass, end-systolic volume index, and E/E’ ratio. These findings were similar in the subgroup of 354 patients with LVEF ≥55%. Conclusions: Among HFpEF patients enrolled in TOPCAT, impaired LV systolic function, measured by LS, is predictive of adverse CV outcomes independent of clinical and conventional echocardiographic predictors. Impaired LS represents a novel imaging biomarker to identify HFpEF patients at particularly high risk for CV morbidity and mortality.


2019 ◽  
Vol 89 (1) ◽  
Author(s):  
Gian Francesco Mureddu ◽  
Andrea Faggiano

The echocardiographic evaluation of left ventricular (LV) systolic function, and especially of ejection fraction (EF) plays a central role in the diagnosis of heart failure (HF) due to its undisputed prognostic value. Limitations of EF are substantially: i) the variability and reproducibility of measurements, and ii) the load-dependence. Measurement of stroke volume, longitudinal function and myocardial strain can overcome the limitations of EF in assessing the contractile reserve of patients with HF and may help to define both the phenotype and prognosis of the disease. The recognition of diastolic dysfunction (mainly by echocardiography) is the pathophysiological basis to make diagnosis of HF with preserved ejection fraction (HFpEF). The limitations are essentially related to its feasibility, since performing a multi-parametric quantitative echocardiographic evaluation, as indicated by the guidelines, may be difficult in clinical practice. Difficulties in method standardization, the poor attitude of cardiologists to test their reproducibility (test-retest, variability) favor the evaluation “at-a-glance” of LV structural and functional LV abnormalities.


2021 ◽  
Vol 28 (1) ◽  
pp. 56-65
Author(s):  
M.Yu. Kolesnyk

Assessment of left ventricular (LV) systolic function is a mandatory component of cardiovascular diseases diagnostics. In clinical practice, the main parameters are the ejection fraction and LV global longitudinal strain. Both parameters have a number of limitations, including dependence on afterload. This review describes a new technique for non-invasive assessment of global and segmental myocardial contractility based on the calculation of myocardial work by analyzing pressure-strain curves. The main advantage of the technique is the ability to take into account the afterload conditions by the traditional measurement of blood pressure on the brachial artery. The characteristics of the key parameters of the methodology (global work index, global constructive work, global effective and wasted work) as well as their normative values are presented. The stages of the analysis and the limitations of the method are described separately. The results of the main pilot studies of myocardial work parameters in various cardiovascular diseases are presented. Possibilities of the technique for characterizing LV segmental function in left bundle branch block, selection of patients for cardiac resynchronization therapy with subsequent response assessment are presented. The diagnostic and prognostic value of the parameters of myocardial work in arterial hypertension, acute and chronic forms of ischemic heart disease, hypertrophic and dilated cardiomyopathy, chronic heart failure are analyzed. The possibilities of the technique in assessing the effectiveness of therapy in patients with heart failure are described. Potential advantages of the parameters of myocardial work over other markers of LV systolic function, such as ejection fraction and global longitudinal strain, have been determined. The review is illustrated with clinical examples of the use of the technique for various cardiovascular diseases from our own practice.


2011 ◽  
pp. 62-70
Author(s):  
Lien Nhut Nguyen ◽  
Anh Vu Nguyen

Background: The prognostic importance of right ventricular (RV) dysfunction has been suggested in patients with systolic heart failure (due to primary or secondary dilated cardiomyopathy - DCM). Tricuspid annular plane systolic excursion (TAPSE) is a simple, feasible, reality, non-invasive measurement by transthoracic echocardiography for evaluating RV systolic function. Objectives: To evaluate TAPSE in patients with primary or secondary DCM who have left ventricular ejection fraction ≤ 40% and to find the relation between TAPSE and LVEF, LVDd, RVDd, RVDd/LVDd, RA size, severity of TR and PAPs. Materials and Methods: 61 patients (36 males, 59%) mean age 58.6 ± 14.4 years old with clinical signs and symtomps of chronic heart failure which caused by primary or secondary DCM and LVEF ≤ 40% and 30 healthy subject (15 males, 50%) mean age 57.1 ± 16.8 were included in this study. All patients and controls were underwent echocardiographic examination by M-mode, two dimentional, convensional Dopler and TAPSE. Results: TAPSE is significant low in patients compare with the controls (13.93±2.78 mm vs 23.57± 1.60mm, p<0.001). TAPSE is linearly positive correlate with echocardiographic left ventricular ejection fraction (r= 0,43; p<0,001) and linearly negative correlate with RVDd (r= -0.39; p<0.01), RVDd/LVDd (r=-0.33; p<0.01), RA size (r=-0.35; p<0.01), TR (r=-0.26; p<0.05); however, no correlation was found with LVDd and PAPs. Conclusions: 1. Decreased RV systolic function as estimated by TAPSE in patients with systolic heart failure primary and secondary DCM) compare with controls. 2. TAPSE is linearly positive correlate with LVEF (r= 0.43; p<0.001) and linearly negative correlate with RVDd (r= -0.39; p<0.01), RVDd/LVDd (r=-0.33; p<0.01), RA size (r=-0.35; p<0.01), TR (r=-0.26; p<0.05); however, no correlation is found with LVDd and PAPs. 3. TAPSE should be used routinely as a simple, feasible, reality method of estimating RV function in the patients systolic heart failure DCM (primary and secondary).


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
C Borrelli ◽  
P Sciarrone ◽  
F Gentile ◽  
N Ghionzoli ◽  
G Mirizzi ◽  
...  

Abstract Background Central apneas (CA) and obstructive apneas (OA) are highly prevalent in heart failure (HF) both with reduced and preserved systolic function. However, a comprehensive evaluation of apnea prevalence across HF according to ejection fraction (i.e HF with patients with reduced, mid-range and preserved ejection fraction- HFrEf, HFmrEF and HFpEF, respectively) throughout the 24 hours has never been done before. Materials and methods 700 HF patients were prospectively enrolled and then divided according to left ventricular EF (408 HFrEF, 117 HFmrEF, 175 HFpEF). All patients underwent a thorough evaluation including: 2D echocardiography; 24-h Holter-ECG monitoring; cardiopulmonary exercise testing; neuro-hormonal assessment and 24-h cardiorespiratory monitoring. Results In the whole population, prevalence of normal breathing (NB), CA and OA at daytime was 40%, 51%, and 9%, respectively, while at nighttime 15%, 55%, and 30%, respectively. When stratified according to left ventricular EF, CA prevalence decreased from HFrEF to HFmrEF and HFpEF: (daytime CA: 57% vs. 43% vs. 42%, respectively, p=0.001; nighttime CA: 66% vs. 48% vs. 34%, respectively, p&lt;0.0001), while OA prevalence increased (daytime OA: 5% vs. 8% vs. 18%, respectively, p&lt;0.0001; nighttime OA: 20 vs. 29 vs. 53%, respectively, p&lt;0.0001). When assessing moderte-severe apneas, defined with an apnea/hypopnea index &gt;15 events/hour, prevalence of CA was again higher in HFrEF than HFmrEF and HFpEF both at daytime (daytime moderate-severe CA: 28% vs. 19% and 23%, respectively, p&lt;0.05) and at nighttime (nighttime moderate-severe CA: 50% vs. 39% and 28%, respectively, p&lt;0.05). Conversely, moderate-severe OA decreased from HFrEF to HFmrEF to HFpEF both at daytime (daytime moderate-severe OA: 1% vs. 3% and 8%, respectively, p&lt;0.05) and nighttime (noghttime moderate-severe OA: 10% vs. 11% and 30%, respectively, p&lt;0.05). Conclusions Daytime and nighttime apneas, both central and obstructive in nature, are highly prevalent in HF regardless of EF. Across the whole spectrum of HF, CA prevalence increases and OA decreases as left ventricular systolic dysfunction progresses, both during daytime and nighttime. Funding Acknowledgement Type of funding source: None


2015 ◽  
Vol 23 (4) ◽  
pp. 397-406 ◽  
Author(s):  
Adriana Iliesiu ◽  
Alexandru Campeanu ◽  
Daciana Marta ◽  
Irina Parvu ◽  
Gabriela Gheorghe

Abstract Background. Oxidative stress (OS) and inflammation are major mechanisms involved in the progression of chronic heart failure (CHF). Serum uric acid (sUA) is related to CHF severity and could represent a marker of xanthine-oxidase activation. The relationship between sUA, oxidative stress (OS) and inflammation markers was assessed in patients with moderate-severe CHF and reduced left ventricular (LV) ejection fraction (EF). Methods. In 57 patients with stable CHF, functional NYHA class III, with EF<40%, the LV function was assessed by N-terminal of the prohormone brain natriuretic peptide (NT-proBNP) levels and echocardiographically through the EF and E/e’ ratio, a marker of LV filling pressures. The relationship between LV function, sUA, malondialdehyde (MDA), myeloperoxidase (MPO), paraoxonase 1 (PON-1) as OS markers and high sensitivity C-reactive protein (hsCRP) and interleukin 6 (IL-6) as markers of systemic inflammation was evaluated. Results. The mean sUA level was 7.9 ± 2.2 mg/dl, and 61% of the CHF patients had hyperuricemia. CHF patients with elevated LV filling pressures (E/e’ ≥ 13) had higher sUA (8.6 ± 2.3 vs. 7.3 ± 1.4, p=0.08) and NT-proBNP levels (643±430 vs. 2531±709, p=0.003) and lower EF (29.8 ± 3.9 % vs. 36.3 ± 4.4 %, p=0.001). There was a significant correlation between sUA and IL-6 (r = 0.56, p<0.001), MDA (r= 0.49, p= 0.001), MPO (r=0.34, p=0.001) and PON-1 levels (r= −0.39, p= 0.003). Conclusion. In CHF, hyperuricemia is associated with disease severity. High sUA levels in CHF with normal renal function may reflect increased xanthine-oxidase activity linked with chronic inflammatory response.


Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Akshar Jaglan ◽  
Sarah Roemer ◽  
Ana C Perez Moreno ◽  
Bijoy K Khandheria

Introduction: Myocardial work is a novel parameter that can be used in a clinic setting to assess left ventricular (LV) pressures and deformation. This study sought to distinguish patterns of global myocardial work index in hypertensive vs. non-hypertensive patients. Methods: Fifty (25 male, mean age 60±14 years) hypertensive patients and 15 (7 male, mean age 38±12 years) control patients underwent transthoracic echocardiography at rest. Hypertensive patients were divided into stage 1 (26 patients) and stage 2 (24 patients) based on the 2017 American College of Cardiology guidelines. We excluded patients with suboptimal image quality for myocardial deformation analysis, reduced ejection fraction (EF), valvular heart disease, and arrhythmia. Global work index (GWI), global constructive work (GCW), global wasted work (GWW), and global work efficiency (GWE) were estimated from LV pressure strain loops utilizing proprietary software from speckle-tracking echocardiography. LV systolic and diastolic pressures were estimated using a noninvasive brachial artery cuff. Results: Global longitudinal strain (GLS) and EF were preserved between the two groups with no statistically significant difference whereas there was a statistically significant difference in the GWI (p<0.01), GCW (p=0.03), GWW (p<0.01), and GWE (p=0.03) (Figure and Table). Conclusions: Myocardial work gives us a closer look at the relationship between LV pressure and contractility in settings of increased load dependency whereas LVEF and GLS cannot. We show how myocardial work is an advanced assessment of LV systolic function in hypertensive patients.


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