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Heart Failure Reviews

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https://www.readbyqxmd.com/read/29199385/resistance-exercise-enhances-oxygen-uptake-without-worsening-cardiac-function-in-patients-with-systolic-heart-failure-a-systematic-review-and-meta-analysis
#1
REVIEW
Francisco V Santos, Gaspar R Chiappa, Sergio Henrique Rodolpho Ramalho, Alexandra Correa Gervazoni Balbuena de Lima, Fausto Stauffer Junqueira de Souza, Lawrence P Cahalin, João Luiz Quagliotti Durigan, Isac de Castro, Gerson Cipriano
Recent literature suggests that resistance training (RT) improves peak oxygen uptake ([Formula: see text] peak), similarly to aerobic exercise (AE) in patients with heart failure (HF), but its effect on cardiac remodeling is controversial. Thus, we examined the effects of RT and AE on [Formula: see text] peak and cardiac remodeling in patients with heart failure (HF) via a systematic review and meta-analysis. MEDLINE, EMBASE, Cochrane Library and CINAHL, AMEDEO and PEDro databases search were extracted study characteristics, exercise type, and ventricular outcomes...
December 4, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29192360/hyperglycemia-induced-cardiac-contractile-dysfunction-in-the-diabetic-heart
#2
REVIEW
Raphael M Singh, Tahreem Waqar, Frank C Howarth, Ernest Adeghate, Keshore Bidasee, Jaipaul Singh
The development of a diabetic cardiomyopathy is a multifactorial process, and evidence is accumulating that defects in intracellular free calcium concentration [Ca2+]i or its homeostasis are related to impaired mechanical performance of the diabetic heart leading to a reduction in contractile dysfunction. Defects in ryanodine receptor, reduced activity of the sarcoplasmic reticulum calcium pump (SERCA) and, along with reduced activity of the sodium-calcium exchanger (NCX) and alterations in myofilament, collectively cause a calcium imbalance within the diabetic cardiomyocytes...
December 1, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29185161/exercise-therapy-and-autonomic-function-in-heart-failure-patients-a-systematic-review-and-meta-analysis
#3
REVIEW
M J Pearson, N A Smart
A large body of evidence exists indicating that autonomic imbalance is characteristic of heart failure, with several parameters of autonomic function associated with adverse clinical outcomes. The aim of this systematic review and meta-analysis was to investigate the effects of exercise training on parameters of autonomic function in patients with heart failure and where possible quantify the size of the effect. We conducted database searches (PubMed, EMBASE and Cochrane Trials Register to 31 March 2017) for exercise-based rehabilitation trials in heart failure; using search terms, exercise training, autonomic function, heart rate recovery, heart rate variability and muscle sympathetic nerve activity...
November 29, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29124528/systematic-review-of-economic-burden-of-heart-failure
#4
REVIEW
Asrul Akmal Shafie, Yui Ping Tan, Chin Hui Ng
The aim of this study is to perform a systematic review of the costing methodological approaches adopted by published cost-of-illness (COI) studies. A systematic review was performed to identify cost-of-illness studies of heart failure published between January 2003 and September 2015 via computerized databases such as Pubmed, Wiley Online, Science Direct, Web of Science, and Cumulative Index to Nursing and Allied Health Literature (CINAHL). Costs reported in the original studies were converted to 2014 international dollars (Int$)...
November 10, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29098508/pharmacological-heart-rate-lowering-in-patients-with-a-preserved-ejection-fraction-review-of-a-failing-concept
#5
REVIEW
Markus Meyer, Mehdi Rambod, Martin LeWinter
Epidemiological studies have demonstrated that high resting heart rates are associated with increased mortality. Clinical studies in patients with heart failure and reduced ejection fraction have shown that heart rate lowering with beta-blockers and ivabradine improves survival. It is therefore often assumed that heart rate lowering is beneficial in other patients as well. Here, we critically appraise the effects of pharmacological heart rate lowering in patients with both normal and reduced ejection fraction with an emphasis on the effects of pharmacological heart rate lowering in hypertension and heart failure...
November 3, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29052045/hypothalamic-dysfunction-in-heart-failure-pathogenetic-mechanisms-and-therapeutic-implications
#6
REVIEW
Antonios Rigas, Dimitrios Farmakis, Georgios Papingiotis, Georgios Bakosis, John Parissis
Neurohumoral activation is an important feature of heart failure. Recent advances in molecular biology and imaging techniques permitted a better understanding of the central role that hypothalamus plays in the modulation of dysfunctional mechanisms, as well as the occurrence of comorbidities, such as depression, in heart failure patients. This review summarizes the commonly reported neural reflexes and molecular signaling pathways at the level of the hypothalamus along with the dysfunctional mechanisms within the paraventricular nucleus and other areas of the hypothalamus in heart failure and describes some relevant therapeutic implications...
October 19, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29047028/de-novo-implantation-vs-upgrade-cardiac-resynchronization-therapy-a-systematic-review-and-meta-analysis
#7
REVIEW
Annamaria Kosztin, Mate Vamos, Daniel Aradi, Walter Richard Schwertner, Attila Kovacs, Klaudia Vivien Nagy, Endre Zima, Laszlo Geller, Gabor Zoltan Duray, Valentina Kutyifa, Bela Merkely
Patients with conventional pacemakers or implanted defibrillators are often considered for cardiac resynchronization therapy (CRT). Our aim was to summarize the available evidences regarding the clinical benefits of upgrade procedures. A systematic literature search was performed from studies published between 2006 and 2017 in order to compare the outcome of CRT upgrade vs. de novo implantations. Outcome data on all-cause mortality, heart failure events, New York Heart Association (NYHA) Class, QRS narrowing and echocardiographic parameters were analysed...
October 19, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29038991/pathophysiological-and-therapeutic-implications-in-patients-with-atrial-fibrillation-and-heart-failure
#8
REVIEW
Felix Hohendanner, F R Heinzel, F Blaschke, B M Pieske, W Haverkamp, H L Boldt, A S Parwani
Heart failure and atrial fibrillation are common and responsible for significant mortality of patients. Both share the same risk factors like hypertension, ischemic heart disease, diabetes, obesity, arteriosclerosis, and age. A variety of microscopic and macroscopic changes favor the genesis of atrial fibrillation in patients with preexisting heart failure, altered subcellular Ca(2+) homeostasis leading to increased cellular automaticity as well as concomitant fibrosis that are induced by pressure/volume overload and altered neurohumoral states...
October 16, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28993930/in-search-of-a-standard-when-analyzing-medication-adherence-in-patients-with-heart-failure-using-claims-data-a-systematic-review
#9
REVIEW
Katrin Krueger, Nina Griese-Mammen, Ingrid Schubert, Marita Kieble, Lea Botermann, Ulrich Laufs, Charlotte Kloft, Martin Schulz
To determine and address medication non-adherence is important and may improve patient outcomes. Our aim was to perform a systematic review on the operationalization of adherence measures in patients with heart failure using claims data. We searched the MEDLINE, EMBASE, and Cochrane databases. A quality check of the full-text articles was performed using the Quality in Prognosis Studies tool. We included 28 studies. Eleven studies used the medication possession ratio, 15 the proportion of days covered, and six studies used own methods to calculate medication adherence...
October 9, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28986727/dpp-4-inhibitors-and-heart-failure-a-potential-role-for-pharmacogenomics
#10
REVIEW
Chayakrit Krittanawong, Andrew Xanthopoulos, Takeshi Kitai, Natalia Branis, HongJu Zhang, Marrick Kukin
There remains an ongoing controversy regarding the safety of dipeptidyl peptidase-4 (DPP-4) inhibitors and the risk of developing heart failure (HF). In addition, none of the animal studies suggested a mechanism for the DPP-4 inhibitors and HF risk. To date, advances in pharmacogenomics have enabled the identification of genetic variants in DPP-4 gene. Studies have shown that genetic polymorphisms in the gene encoding DPP-4 may be associated with potential pathways involved in HF risk. This review discusses the contradictory findings of DPP-4 inhibitors and HF and a potential role for pharmacogenomics...
October 6, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28948410/protective-molecular-mechanisms-of-clusterin-against-apoptosis-in-cardiomyocytes
#11
REVIEW
Rodrigo Martins Pereira, Rania A Mekary, Kellen Cristina da Cruz Rodrigues, Chadi Pellegrini Anaruma, Eduardo Rochete Ropelle, Adelino Sanchez Ramos da Silva, Dennys Esper Cintra, José Rodrigo Pauli, Leandro Pereira de Moura
Loss of cardiomyocytes occurs with aging and contributes to cardiovascular complications. In the present study, we highlighted the role of clusterin, a protein that has recently been associated with the protection of cardiomyocytes from apoptosis. Clusterin protects cardiac cells against damage from myocardial infarction, transplant, or myocarditis. Clusterin can act directly or indirectly on apoptosis by regulating several intracellular pathways. These pathways include (1) the oxidant and inflammatory program, (2) insulin growth factor 1 (IGF-1) pathway, (3) KU70 / BCL-2-associated X protein (BAX) pathway, (4) tumor necrosis factor alpha (TNF-α) pathway, (5) BCL-2 antagonist of cell death (BAD) pathway, and (6) mitogen-activated protein kinase (MAPK) pathway...
September 25, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28944400/role-of-micrornas-in-doxorubicin-induced-cardiotoxicity-an-overview-of-preclinical-models-and-cancer-patients
#12
REVIEW
Clarissa Ruggeri, Sonia Gioffré, Felice Achilli, Gualtiero I Colombo, Yuri D'Alessandra
Cardiotoxicity is a well-known side effect of doxorubicin (DOX), but the mechanisms leading to this phenomenon are still not completely clear. Prediction of drug-induced dysfunction onset is difficult and is still largely based on detection of cardiac troponin (cTn), a circulating marker of heart damage. In the last years, several investigations focused on the possible involvement of microRNAs (miRNAs) in DOX-induced toxicity in vitro, with contrasting results. Recently, several groups employed animal models to mimic patient's condition, investigate the biological pathways perturbed by DOX, and identify diagnostic markers of cardiotoxicity...
September 25, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28952056/pathophysiology-of-acute-heart-failure-syndrome-a-knowledge-gap
#13
REVIEW
Hani N Sabbah
Although much remains unknown regarding the pathophysiology of acute heart failure (AHF), precipitating events are thought to involve a complex set of interactions between the heart, kidneys, and peripheral vasculature. In addition to these interactions, which are considered the primary abnormalities in patients with AHF, several other organ systems may also be affected and contribute to disease progression. Currently available scientific literature suggests that the natural history and pathophysiology of AHF consists of two phases: (1) an "initiation phase" involving a series of triggering events, and (2) an "amplification phase," in which multiple mechanisms contribute to worsening HF and exacerbate end-organ damage...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28900774/readmission-rate-after-ultrafiltration-in-acute-decompensated-heart-failure-a-systematic-review-and-meta-analysis
#14
REVIEW
Waqas Javed Siddiqui, Andrew R Kohut, Syed F Hasni, Jesse M Goldman, Benjamin Silverman, Ellie Kelepouris, Howard J Eisen, Sandeep Aggarwal
Significance of ultrafiltration in acute decompensated heart failure remains unclear. We performed meta-analysis to determine its role in reducing readmissions after acute decompensated heart failure. MEDLINE was searched using PUBMED from inception to March 22, 2017 for prospective randomized control trials comparing ultrafiltration to diuretics in acute decompensated heart failure. Five hundred ninety studies were found; nine studies with 820 patients were included. Studies with renal replacement therapy bar ultrafiltration, chronic decompensated heart failure, and non-English language were excluded...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28856513/emerging-pharmacologic-and-structural-therapies-for-hypertrophic-cardiomyopathy
#15
REVIEW
Daniel J Philipson, Eugene C DePasquale, Eric H Yang, Arnold S Baas
Hypertrophic cardiomyopathy is the most common inherited heart disease. Although it was first described over 50 years ago, there has been little in the way of novel disease-specific therapeutic development for these patients. Current treatment practice largely aims at symptomatic control using old drugs made for other diseases and does little to modify the disease course. Septal reduction by surgical myectomy or percutaneous alcohol septal ablation are well-established treatments for pharmacologic-refractory left ventricular outflow tract obstruction in hypertrophic cardiomyopathy patients...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28840400/therapeutic-effects-of-the-combination-of-inhaled-beta2-agonists-and-beta-blockers-in-copd-patients-with-cardiovascular-disease
#16
REVIEW
Vasiliki Petta, Fotis Perlikos, Stelios Loukides, Petros Bakakos, Athanasios Chalkias, Nicoletta Iacovidou, Theodoros Xanthos, Dorothea Tsekoura, Georgios Hillas
Chronic obstructive pulmonary disease (COPD) is a major health problem worldwide, with co-morbidities contributing to the overall severity and mortality of the disease. The incidence and prevalence of cardiovascular disease among COPD patients are high. Both disorders often co-exist, mainly due to smoking, but they also share common underlying risk factors, such as aging and low-grade systemic inflammation. The therapeutic approach is based on agents, whose pharmacological properties are completely opposed...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28804855/human-heart-failure-with-preserved-ejection-versus-feline-cardiomyopathy-what-can-we-learn-from-both-veterinary-and-human-medicine
#17
REVIEW
Valentine Prat, Bertrand Rozec, Chantal Gauthier, Benjamin Lauzier
Cardiovascular affections are a growing health burden in human populations. Recent advances in cardiology have improved treatments and outcomes for myocardial infarction and arrhythmias, but other conditions still remain poorly understood. To date, the classical approach to study cardiovascular diseases involves rodent models, despite their strong differences with human cardiac physiology. In this context, this review will focus on the common traits between human and feline cardiac diseases, namely heart failure with preserved ejection fraction and feline cardiomyopathies, respectively...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28762019/epicardial-adipose-tissue-as-a-metabolic-transducer-role-in-heart-failure-and-coronary-artery-disease
#18
REVIEW
Vaibhav B Patel, Saumya Shah, Subodh Verma, Gavin Y Oudit
Obesity and diabetes are strongly associated with metabolic and cardiovascular disorders including dyslipidemia, coronary artery disease, hypertension, and heart failure. Adipose tissue is identified as a complex endocrine organ, which by exerting a wide array of regulatory functions at the cellular, tissue and systemic levels can have profound effects on the cardiovascular system. Different terms including "epicardial," "pericardial," and "paracardial" have been used to describe adipose tissue deposits surrounding the heart...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28733911/effects-of-cognitive-behavioural-therapy-for-depression-in-heart-failure-patients-a-systematic-review-and-meta-analysis
#19
REVIEW
Kishaan Jeyanantham, Dipak Kotecha, Devsaagar Thanki, Rebecca Dekker, Deirdre A Lane
This systematic review and meta-analysis aimed to evaluate the effects of cognitive behavioural therapy (CBT) on depression, quality of life, hospitalisations and mortality in heart failure patients. The search strategy was developed for Ovid MEDLINE and modified accordingly to search the following bibliographic databases: PubMed, EMBASE, PsycINFO, CENTRAL and CINAHL. Databases were searched from inception to 6 March 2016 for randomised controlled trials (RCTs) or observational studies that used CBT in heart failure patients with depression or depressive symptoms...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28730459/fetal-programming-as-a-predictor-of-adult-health-or-disease-the-need-to-reevaluate-fetal-heart-function
#20
REVIEW
Joana O Miranda, Carla Ramalho, Tiago Henriques-Coelho, José Carlos Areias
Epidemiologic and experimental evidence suggests that adverse stimuli during critical periods in utero permanently alters organ structure and function and may have persistent consequences for the long-term health of the offspring. Fetal hypoxia, maternal malnutrition, or ventricular overloading are among the major adverse conditions that can compromise cardiovascular development in early life. With the heart as a central organ in fetal adaptive mechanisms, a deeper understanding of the fetal cardiovascular physiology and of the echocardiographic tools to assess both normal and stressed pregnancies would give precious information on fetal well-being and hopefully may help in early identification of special risk groups for cardiovascular diseases later in life...
November 2017: Heart Failure Reviews
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