scholarly journals Features of left ventricular myocardial remodeling associated with state of coronary сollateral arteries in patients with intermediate function of left ventricle and background of acute decompensation of heart failure

2018 ◽  
Vol 20 (3) ◽  
pp. 33-36
Author(s):  
E G Skorodumova ◽  
V A Kostenko ◽  
E A Skorodumova ◽  
A V Siverina ◽  
A V Rysev
Keyword(s):  
Heart Failure ◽  
Blood Flow ◽  
Coronary Artery ◽  
Left Ventricular Ejection Fraction ◽  
Left Ventricle ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Acute Decompensation ◽  
Myocardial Remodelling

Features of left ventricular myocardial remodelling depending on the state of collateral coronary flow are presented. Disorders of the left ventricle`s myocardium local contractility in patients with the intermediate function of left ventricle under acute decompensation of heart failure were studied. It was established that in such patients with postinfarction cardiosclerosis the main disorders were more often obtained in the basal and middle parts of lower and posterior walls of left ventricle vascularized by a circumflex branch of the left coronary artery or right coronary artery. It was shown that as blood flow increased in coronary collaterals; increase in left ventricular ejection fraction was 7%. In this case, an improvement in collateral blood flow by 1 point according to the Rentrop’s modified classification was accompanied by an increase in the left ventricular ejection fraction by 2 relative percents. In addition, in patients with intermediate left ventricular function, types of left ventricular myocardial remodelling were determined. Thus, in the pathogenesis of acute decompensation of heart failure, an important link is remodelling of the left ventricular myocardium, that is a complex of changes in structure and geometry that occurred under the action of trigger factor. Determination of qualitative type of remodelling, as well as its relationship with changes in extracellular matrix, is important for assessing the risk of cardiovascular complications and selecting adequate therapeutic tactics. and a volume fraction of interstitial collagen was calculated in patients with intermediate left ventricular function and background of acute decompensation of heart failure.

scholarly journals Features of structural and geometric remodeling of the heart and changes in heart diastolic filling in patients with chronic heart failure of ischemic genesis with reduced left ventricular ejection fraction

2021 ◽  
Vol 23 (1) ◽  
pp. 17-23
Author(s):  
V. A. Lysenko
Keyword(s):  
Heart Failure ◽  
Chronic Heart Failure ◽  
Left Ventricular Ejection Fraction ◽  
Left Ventricle ◽  
Systolic Pressure ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Diastolic Filling ◽  
Ventricular Ejection Fraction ◽  
Lv Mass

Chronic heart failure (CHF) does not lose its leading position among the problems of cardiovascular disease. Pathological cardiac remodeling combines the processes of hypertrophy and dilatation of cavities and is the main cause of heart failure progression, and consequently results in high cardiac mortality, especially in CHF patients with reduced left ventricular ejection fraction (LV EF). Despite a substantial range of studies on the features of structural and geometric remodeling of the heart, changes in systolic and diastolic function of the ventricles in CHF patients, this issue still presents a challenge and needs to be improved. The aim of the work – to examine changes in structural and geometric parameters and diastolic function of the heart in patients with CHF of ischemic genesis with reduced LV EF. Materials and methods. The study included 79 patients (men – n = 49; women – n = 30) with CHF of ischemic origin with reduced LV EF, sinus rhythm, stage II AB, NYHA II-IV FC (the main group), and 90 patients with coronary heart disease without signs of CHF (men – n = 40, 44.5 %; women – n = 50, 55.5 %), (the comparison group). The patient groups were age-, sex-, height-, weight-, body surface area-matched. Doppler echocardiographic examination was performed on the device Esaote MyLab Eight (Italy). Results. In CHF patients with reduced LV EF, the following indicators prevailed: EDD LV by 18 % (P = 0.001), LV EDV by 45.8 % (P = 0.001), LV EDV index by 44.6 % (P = 0.001), LV ESD by 44.9 % (P = 0.001), PW by 17.7 % (P = 0.001), LV mass index by 66.6 % (P = 0.001) according to the Penn Convention, and by 62.1 % (P = 0.001) according to the ASE; 16.1 % (P = 0.010) increased RV cavity without changes in its wall thickness. In patients with CHF of ischemic origin with reduced LV EF, the main types of LV geometry were: eccentric (70 %) and concentric (24 %) LV hypertrophy. More than half of the CHF patients with reduced LV EF had significant disorders of LV diastolic filling (25 % – “restrictive” and 28 % “pseudonormal”), a 2.3 times increase (P = 0.001) in E/e’ ratio, a 35 % (P = 0.014) increase in the left atrial volume index and 32 % (P = 0.0001) – in pulmonary capillary wedge pressure (PCWP), increased mean and systolic pressure in the pulmonary artery by 1.5 times (P = 0.002) and 1.6 times (P = 0.0001), respectively. Conclusions. Structural and geometric remodeling of the left ventricle in patients with CHF of ischemic origin with reduced LV EF occurs due to an increase in LV myocardial mass via thickening of its walls and cavity dilatation (44.6 % (P = 0.001) increase in the LV EDV index), as well as 66.6 % (P = 0.001) increase in LV mass index with the predominance of eccentric (70 %) and concentric hypertrophy (24 %) over other types of LV geometry. Severe disorders of LV diastolic filling (25 % – “restrictive” and 28 % “pseudonormal”) are attributable to the significant increase in end-diastolic pressure in the left ventricle (2.3 times increase (P = 0.001) in E/e´) with the development of postcapillary pulmonary hypertension (1.5 times increase (P = 0.002) in the mean and 1.6 times (P = 0.0001) – in systolic pressure in the pulmonary artery).

Heart failure

2019 ◽  
pp. 143-164
Author(s):  
Faiez Zannad ◽  
João Pedro Ferreira ◽  
Theresa McDonagh
Keyword(s):  
Heart Failure ◽  
Chronic Heart Failure ◽  
Left Ventricular Ejection Fraction ◽  
Ejection Fraction ◽  
Left Ventricular ◽  
Ventricular Ejection ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Acute Decompensation ◽  
First Occurrence

Heart failure (HF) is a common condition, with an increasing incidence with age. Chronic heart failure with reduced left ventricular ejection fraction (HFrEF) results from impaired systolic dysfunction and represents about half of HF cases. The commonest aetiology is myocardial ischaemia. Chronic heart failure with preserved left ventricular ejection fraction (HFpEF) is symptoms and/or signs of heart failure, with left ventricular ejection fraction in the normal range. Acute HF is characterized by a rapid onset of signs and symptoms of HF, requiring urgent treatment. Acute HF may present as a first occurrence (de novo) or, more frequently, as a consequence of acute decompensation of chronic HF and may be caused by primary cardiac dysfunction or precipitated by extrinsic factors, often in patients with chronic HF. The diagnostic, workup, and treatment options for these conditions will be summarized in the chapter.

scholarly journals Significance of the left ventricular ejection fraction in diagnosis of heart failure

2018 ◽  
Vol 20 (1) ◽  
pp. 68-74
Author(s):  
Yu S Malov ◽  
I I Yarovenko
Keyword(s):  
Heart Failure ◽  
Left Ventricular Ejection Fraction ◽  
Left Ventricle ◽  
Ejection Fraction ◽  
Left Ventricular ◽  
Ventricular Ejection ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Systolic Volume ◽  
End Systolic Volume

Left ventricular ejection fraction, not being an indicator of contractility, is widely used in practice for the diagnosis of heart failure. It reflects only a change in volume of the left ventricle. It was found that the ejection fraction is not so much dependent on the shock and final diastolic volume as on the final systolic volume. An inverse relationship was found between the left ventricular ejection fraction and the end systolic volume. The larger the end systolic volume, the lower the ejection fraction. High final ejection fraction corresponds to a small terminal systolic volume of the left ventricle. The ejection fraction, representing the ratio of the impact volume to the final diastolic, reflects structural changes in the left ventricle. The more these disorders, the lower the fraction of the ejection of the left ventricle. Its connection with heart failure is realized indirectly through structural restructuring of the myocardium. Low ejection fraction indicates severe damage to the myocardium and unfavorable prognosis for the patient. The empirically established emission fraction did not receive a scientific justification for the regulatory framework. According to the symmetrical approach to the study of a heart, the volume ratio of the left ventricle represents a golden proportion (0,618). Hence, the ideal left ventricular ejection fraction is 62 %, but not 50-80 %, as is customary. An increase or decrease in the ejection fraction indicates a change in the volume of the left ventricle. The clinical morphological similarity of patients with heart failure, classified according to functional classes and size of the ejection fraction, was revealed, which casted doubt on the introduction of the classification of heart failure by the size of the ejection fraction into practice.

Heart failure

2019 ◽  
pp. 143-164
Author(s):  
Faiez Zannad ◽  
João Pedro Ferreira ◽  
Theresa McDonagh
Keyword(s):  
Heart Failure ◽  
Chronic Heart Failure ◽  
Left Ventricular Ejection Fraction ◽  
Ejection Fraction ◽  
Left Ventricular ◽  
Ventricular Ejection ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Global Pandemic ◽  
Acute Decompensation

Heart failure (HF) is a global pandemic affecting nearly 30 million people worldwide and is increasing in prevalence. Chronic heart failure with reduced left ventricular ejection fraction (HFrEF) results from impaired systolic dysfunction and represents about half of HF cases. The commonest aetiology is myocardial ischaemia. Chronic heart failure with preserved left ventricular ejection fraction (HFpEF) is symptoms and/or signs of heart failure, with left ventricular ejection fraction in the normal range. Acute HF is characterized by a rapid onset of signs and symptoms of HF, requiring urgent treatment. Acute HF may present as a first occurrence (de novo) or, more frequently, as a consequence of acute decompensation of chronic HF and may be caused by primary cardiac dysfunction or precipitated by extrinsic factors, often in patients with chronic HF. The diagnostic, workup, and treatment options for these conditions will be summarized in the chapter.

Abstract 17584: Pulmonary Artery Systolic Pressure Independently Predicts All-Cause Mortality in Patients with Coronary Artery Disease Irrespective of a Diagnosis of Heart Failure

Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Nima Ghasemzadeh ◽  
Raghda Alanbari ◽  
Salim Hayek ◽  
Mosab Awad ◽  
Mohamed Khayata ◽  
...  
Keyword(s):  
Heart Failure ◽  
Coronary Artery Disease ◽  
Coronary Artery ◽  
Left Ventricular Ejection Fraction ◽  
Systolic Pressure ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Pulmonary Artery Systolic Pressure ◽  
Ventricular Ejection Fraction ◽  
Artery Disease

Background: Elevated pulmonary artery systolic pressure (PASP) is associated with a worse outcome in heart failure (HF), but the prognostic role of PASP in patients with coronary artery disease (CAD) remains unknown. Methods: 863 patients with known or suspected CAD (age: 64±13 years, 62% male) enrolled in the Emory Cardiovascular Biobank were followed for a median 455 days for all-cause death. Transthoracic echocardiographic parameters included measurement of left ventricular ejection fraction (LVEF, range: 5-80%) and diastolic function parameters. Youden’s index from the receiver operating curve analysis was used to determine the best discriminatory cutoff for PASP (cutoff=43 mmHg). Cox regression was performed to determine independent predictors of mortality. Results: 88 (10%) subjects died during follow-up. PASP correlated with left ventricular ejection fraction (LVEF, N=644, r=-0.20, p<0.0001), C-reactive protein (CRP, N=539, r=0.12, p=0.004), and mitral valve inflow E/A ratio (N=359, r=0.32, p<0.0001), mitral valve deceleration time (N=260, r=-0.16, p=0.007),and left atrial size (LAs, N=694, r=0.25, p<0.0001). High PASP predicted incident mortality in a model adjusted for age, gender, diabetes, hypertension, dyslipidemia, smoking, glomerular filtration rate, CRP, heart failure, Gensini angiographic severity score, as well as aspirin, statin, beta-blocker, and angiotensin converting enzyme-inhibitor use (HR: 3.3, p=0.000001). The association of PASP with death was independent of LVEF (HR=3.2, p=0.00002). Thus, high PASP also predicted mortality in subjects with LVEF>50% and no history of HF (HR: 4.7, p=0.004). In separate models, this association was also independent of LAs and E/A. Conclusion: High PASP >43 mmHg is an independent predictor of mortality in patients with CAD even in those with preserved LVEF without HF. Whether high PASP predicts future development of HF and hospitalization for HF exacerbation needs to be investigated.

Efficacy of Vitamin D on Chronic Heart Failure Among Adults

2020 ◽  
Vol 90 (1-2) ◽  
pp. 49-58 ◽  
Author(s):  
Wang Chunbin ◽  
Wang Han ◽  
Cai Lin
Keyword(s):  
Heart Failure ◽  
Vitamin D ◽  
Chronic Heart Failure ◽  
Left Ventricular Ejection Fraction ◽  
Confidence Interval ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Controlled Trials ◽  
Ventricular Ejection Fraction ◽  
Randomized Controlled

Abstract. Vitamin D deficiency commonly occurs in chronic heart failure. Whether additional vitamin D supplementation can be beneficial to adults with chronic heart failure remains unclear. We conducted a meta-analysis to derive a more precise estimation. PubMed, Embase, and Cochrane databases were searched on September 8, 2016. Seven randomized controlled trials that investigated the effects of vitamin D on cardiovascular outcomes in adults with chronic heart failure, and comprised 592 patients, were included in the analysis. Compared to placebo, vitamin D, at doses ranging from 2,000 IU/day to 50,000 IU/week, could not improve left ventricular ejection fraction (Weighted mean difference, WMD = 3.31, 95% confidence interval, CL = −0.93 to 7.55, P < 0.001, I2 = 92.1%); it also exerts no beneficial effects on the 6 minute walk distance (WMD = 18.84, 95% CL = −24.85 to 62.52, P = 0.276, I2 = 22.4%) and natriuretic peptide (Standardized mean difference, SMD = −0.39, 95% confidence interval CL = −0.48 to 0.69, P < 0.001, I2 = 92.4%). However, a dose-response analysis from two studies demonstrated an improved left ventricular ejection fraction with vitamin D at a dose of 4,000 IU/day (WMD = 6.58, 95% confidence interval CL = −4.04 to 9.13, P = 0.134, I2 = 55.4%). The results showed that high dose vitamin D treatment could potentially benefit adults with chronic heart failure, but more randomized controlled trials are required to confirm this result.

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