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Treatment of heart failure

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https://www.readbyqxmd.com/read/28231511/automated-diagnosis-of-congestive-heart-failure-using-dual-tree-complex-wavelet-transform-and-statistical-features-extracted-from-2s-of-ecg-signals
#1
Vidya K Sudarshan, U Rajendra Acharya, Shu Lih Oh, Muhammad Adam, Jen Hong Tan, Chua Kuang Chua, Kok Poo Chua, Ru San Tan
Identification of alarming features in the electrocardiogram (ECG) signal is extremely significant for the prediction of congestive heart failure (CHF). ECG signal analysis carried out using computer-aided techniques can speed up the diagnosis process and aid in the proper management of CHF patients. Therefore, in this work, dual tree complex wavelets transform (DTCWT)-based methodology is proposed for an automated identification of ECG signals exhibiting CHF from normal. In the experiment, we have performed a DTCWT on ECG segments of 2s duration up to six levels to obtain the coefficients...
February 7, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28230797/zyz-772-prevents-cardiomyocyte-injury-by-suppressing-nox4-derived-ros-production-and-apoptosis
#2
Ying Wang, Liangjie Zhong, Xinhua Liu, Yi Zhun Zhu
Nox-dependent signaling plays critical roles in the development of heart failure, cardiac hypertrophy, and myocardial infarction. NADPH oxidase 4 (Nox4) as a major source of oxidative stress in the heart offers a new therapeutic target in cardiovascular disease. In the present work, a novel flavonoid was isolated from Zanthoxylum bungeanum. Its structure was elucidated as Quercetin-3-O-(6''-O-α-l-rhamnopyransoyl)-β-d-glucopyranoside-7-O-β-d-glucopyranoside (ZYZ-772) for the first time. ZYZ-772 exhibited significant cardio-protective property against CoCl₂ induced H9c2 cardiomyocyte cells injury...
February 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28229422/therapeutic-application-of-adult-stem-cells-in-the-heart
#3
Taylor A Johnson, Dinender K Singla
Cell therapies have been explored as a potential treatment avenue to treat heart diseases, such as myocardial infarction, doxorubicin-induced cardiomyopathy, and heart failure. Embryonic and adult stem cells (ASCs) have been examined in animal and clinical settings. Unlike embryonic and induced pluripotent stem cells, ASCs do not pose a threat to form teratomas, nor do they have immune system concerns, making them ideal for therapeutic use in humans. In this review, we will investigate different characteristics and sources of adult stem cells and progenitor cells, as well as determine their efficacy in cell transplantation in experimental and clinical trials...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229272/prophylactic-implantable-cardioverter-defibrillator-in-heart-failure-the-growing-evidence-for-all-or-primum-non-nocere-for-some
#4
REVIEW
Khang-Li Looi, Nigel Lever, Anthony Tang, Sharad Agarwal
Heart failure (HF) is a common health problem and has reached epidemic in many western countries. Despite the current era of HF treatment, the risk of sudden cardiac death (SCD) in HF remains significant. Implantable cardioverter defibrillator (ICD) support has been shown to reduce the risk of SCD in patients with HF and impaired left ventricular function. Prophylactic ICD implantation in HF patients seems a logical step to reduce mortality through a reduction in SCD. However, ICD implantation is an invasive procedure, and both short- and long-term complications can occur...
February 23, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28228305/clinical-presentation-management-and-outcomes-in-the-indian-heart-rhythm-society-atrial-fibrillation-ihrs-af-registry
#5
A Vora, A Kapoor, M Nair, Y Lokhandwala, C Narsimhan, A G Ravikishore, S K Dwivedi, N Namboodiri, R Hygriv, A Saxena, A Nabar, S Garg, N Bardoloi, R Yadav, A Nambiar, U Pandurangi, D Jhala, A Naik, Nagmallesh, S Rajagopal, R Selvaraj, V Arora, A Thachil, J Thomas, G Panicker
AIM: A national atrial fibrillation (AF) registry was conducted under the aegis of the Indian Heart Rhythm Society (IHRS), to capture epidemiological data-type of AF, clinical presentation and comorbidities, current treatment practices, and 1-year follow-up outcomes. METHODS: A total of 1537 patients were enrolled from 24 sites in India in the IHRS-AF registry from July 2011 to August 2012. Their baseline characteristics and follow-up data were recorded in case report forms and subsequently analyzed...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28228103/disease-manifestations-and-burden-of-illness-in-patients-with-acid-sphingomyelinase-deficiency-asmd
#6
REVIEW
Margaret M McGovern, Ruzan Avetisyan, Bernd-Jan Sanson, Olivier Lidove
Acid sphingomyelinase deficiency (ASMD), a rare lysosomal storage disease, is an autosomal recessive genetic disorder caused by different SMPD1 mutations. Historically, ASMD has been classified as Niemann-Pick disease (NPD) types A (NPD A) and B (NPD B). NPD A is associated with a uniformly devastating disease course, with rapidly progressing psychomotor degeneration, leading to death typically by the age of 3 years, most often from respiratory failure. In contrast, the clinical phenotype and life expectancy of patients with NPD B may vary widely...
February 23, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28227789/addressing-drug-drug-and-drug-food-interactions-through-personalized-empowerment-services-for-healthcare
#7
Marios Spanakis, Emmanouil G Spanakis, Haridimos Kondylakis, Stelios Sfakianakis, Irini Genitsaridi, Vangelis Sakkalis, Manolis Tsiknakis, Kostas Marias, Marios Spanakis, Emmanouil G Spanakis, Haridimos Kondylakis, Stelios Sfakianakis, Irini Genitsaridi, Vangelis Sakkalis, Manolis Tsiknakis, Kostas Marias, Manolis Tsiknakis, Haridimos Kondylakis, Kostas Marias, Stelios Sfakianakis, Irini Genitsaridi, Emmanouil G Spanakis, Vangelis Sakkalis, Marios Spanakis
Personalized healthcare systems support the provision of timely and appropriate information regarding healthcare options and treatment alternatives. Especially for patients that receive multi-drug treatments a key issue is the minimization of the risk of adverse effects due to drug-drug interactions (DDIs). DDIs may be the result of doctor prescribed drugs but also due to self-medication of conventional drugs, alternative medicines, food habits, alcohol or smoking. It is therefore crucial for personalized health systems, apart from assisting physicians for optimal prescription practices, to also provide appropriate information for individual users for drug-drug interactions or similar information regarding risks for modulation of the ensuing treatment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227088/detection-of-the-propagating-direction-of-electrical-wavefront-in-atrial-fibrillation
#8
Dongping Du, Yuncheng Du, Dongping Du, Yuncheng Du, Dongping Du, Yuncheng Du
Atrial Fibrillation (AF) is one of the most common sustained arrhythmia, which can increase the risk of heart failure and stroke. Understanding the complex electrical dynamics of AF and correctly targeting AF sources for ablation therapies remain challenging in clinical practice. This is due to the incapability to reconstruct the electrical dynamic of AF, and lack of efficient approach for AF source identification. This paper builds a multi-sale framework for modeling of the abnormal electrical propagation in AF initiated by triggers from Pulmonary Veins (PVs)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225185/preventive-effects-of-topical-washing-with-miconazole-nitrate-containing-soap-to-diaper-candidiasis-in-hospitalized-elderly-patients-a-prospective-double-blind-placebo-controlled-study
#9
Hidenori Takahashi, Noritaka Oyama, Izumi Tanaka, Michiko Hasegawa, Kaori Hirano, Chieko Shimada, Minoru Hasegawa
The objective of the present randomized, double-blind trial was to evaluate the efficacy and safety of daily washing with miconazole nitrate-containing soap for candidiasis at diaper-covered sites in elderly subjects under long-term inpatient care. To confirm the onset and disappearance of candidiasis, we microscopically evaluated the existence of the pseudohyphae and/or blastoconidia of Candida spp. We enrolled 75 elderly patients who wore diapers all day in the hospital or nursing home. Patients were randomly assigned to receive treatment with either miconazole soap or miconazole-free placebo soap, and 28 patients in the miconazole group and 27 patients in the placebo group were followed for 4 weeks...
February 22, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28224871/-a-patient-with-severe-digoxin-toxicity
#10
K P van Rhee, R van Bentum, K van Keulen, M I Kuypers, M B Haak
BACKGROUND: Digoxin is a cardiac glycoside that is frequently prescribed in atrial fibrillation and heart failure. Symptoms such as nausea, hyperkalaemia, cardiac arrhythmias and cardiac arrest are seen in digoxin toxicity. The treatment focuses on reduction of digoxin absorption, prevention of hypokalaemia and hyperkalaemia, treatment of symptoms and, in severe toxicity, administration of digoxin antibodies. CASE DESCRIPTION: A 73-year-old man with a history of extensive cardiac disease was seen 45 minutes after ingesting 20 mg of digoxin...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28223818/an-evidence-based-review-on-urate-lowering-treatments-implications-for-optimal-treatment-of-chronic-hyperuricemia
#11
REVIEW
Marilisa Bove, Arrigo Francesco Giuseppe Cicero, Maddalena Veronesi, Claudio Borghi
Several studies suggest that chronic hyperuricemia, the main precursor of gout, is involved in the pathogenesis of different systemic disorders that affect cardiovascular and renal systems, such as hypertension, obesity, hypercholesterolemia, atherosclerosis, metabolic syndrome, chronic heart failure, and chronic kidney disease. Recent epidemiological evidence has shown an increasing trend in the prevalence of hyperuricemia and gout in the Western world: a number of population-based studies estimate a prevalence of up to 21% for hyperuricemia and 1%-4% for gout...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28223472/overexpression-of-sarcoendoplasmic-reticulum-calcium-atpase-2a-promotes-cardiac-sympathetic-neurotransmission-via-abnormal-endoplasmic-reticulum-and-mitochondria-ca-2-regulation
#12
Julia Shanks, Neil Herring, Errin Johnson, Kun Liu, Dan Li, David J Paterson
Reduced cardiomyocyte excitation-contraction coupling and downregulation of the SERCA2a (sarcoendoplasmic reticulum calcium ATPase 2a) is associated with heart failure. This has led to viral transgene upregulation of SERCA2a in cardiomyocytes as a treatment. We hypothesized that SERCA2a gene therapy expressed under a similar promiscuous cytomegalovirus promoter could also affect the cardiac sympathetic neural axis and promote sympathoexcitation. Stellate neurons were isolated from 90 to 120 g male, Sprague-Dawley, Wistar Kyoto, and spontaneously hypertensive rats...
February 21, 2017: Hypertension
https://www.readbyqxmd.com/read/28223437/long-term-administration-of-eicosapentaenoic-acid-improves-post-myocardial-infarction-cardiac-remodeling-in-mice-by-regulating-macrophage-polarization
#13
Masayuki Takamura, Keisuke Kurokawa, Hiroshi Ootsuji, Oto Inoue, Hikari Okada, Ayano Nomura, Shuichi Kaneko, Soichiro Usui
BACKGROUND: Consumption of n-3 fatty acids reduces the incidence of cardiovascular mortality in populations that consume diets rich in fish oil. Eicosapentaenoic acid (EPA) is an n-3 fatty acid known to reduce the frequency of nonfatal coronary events; however, the frequency of mortality after myocardial infarction (MI) is not reduced. The aims of this study were to determine whether long-term administration of EPA regulated cardiac remodeling after MI and to elucidate the underlying therapeutic mechanisms of EPA...
February 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28220526/balloon-valvuloplasty-of-tricuspid-stenosis-a-retrospective-study-of-5-labrador-retriever-dogs
#14
G A Lake-Bakaar, L G Griffiths, M D Kittleson
BACKGROUND: There are limited reports of severe tricuspid valve stenosis in dogs and limited data regarding treatment and outcome. OBJECTIVE: To evaluate clinical signs, echocardiographic features, and outcome of balloon valvuloplasty (BV) in dogs with severe tricuspid valve stenosis (TVS) in which BV was attempted. ANIMALS: Five client-owned dogs with severe TVS. METHODS: Records were retrospectively reviewed and data collected regarding signalment, clinical signs, diagnostic findings, procedures, and outcome...
February 21, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28220240/effect-of-carperitide-on-in-hospital-mortality-of-patients-admitted-for-heart-failure-propensity-score-analyses
#15
Masataka Ogiso, Toshiaki Isogai, Yuta Okabe, Kansuke Ito, Masaki Tsuji, Hiroyuki Tanaka
Although a previous randomized study showed that the use of atrial natriuretic peptide (carperitide) improved the long-term prognosis of patients with heart failure, its effect on short-term prognosis remains unclear. We retrospectively identified patients who were admitted to our tertiary-care center with acute decompensated heart failure (ADHF) between April 2009 and December 2013.We divided the eligible patients into two groups: patients who started receiving carperitide on the day of admission (carperitide group) and those who did not receive carperitide during hospitalization (control group)...
February 20, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28219980/activation-of-neuronal-endothelin-b-receptors-mediates-pressor-response-through-alpha-1-adrenergic-receptors
#16
Bryan K Becker, Joshua S Speed, Mackenzie Powell, David M Pollock
Abnormalities in activity of the endothelin (ET) system have been widely reported in a number of cardiovascular disease states such as hypertension and heart failure. Although the vascular responses to ET are well established, the interaction between ET and other important modulators of blood pressure, such as the sympathetic nervous system, are less understood. Previous reports implicate ET signaling through ET type B (ETB) receptors in increasing neuronal activity. Therefore, we hypothesized that activation of ETB receptors on sympathetic nerves would increase blood pressure through an adrenergic-mediated mechanism...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28219895/impact-of-practice-based-management-of-pa-pressures-in-2000-patients-implanted-with-the-cardiomems-sensor
#17
J Thomas Heywood, Rita Jermyn, David Shavelle, William T Abraham, Arvind Bhimaraj, Kunjan Bhatt, Fareed Sheikh, Eric Eichorn, Sumant Lamba, Rupinder Bharmi, Rahul Agarwal, Charisma Kumar, Lynne W Stevenson
Background -Elevated pulmonary artery (PA) pressures in patients with heart failure (HF) are associated with a high risk for hospitalization and mortality. Recent clinical trial evidence demonstrated a direct relationship between lowering remotely monitored PA pressures and HF hospitalization risk reduction using a novel implantable PA pressure monitoring system (CardioMEMS HF System, St Jude Medical). This study examines PA pressure changes in the first 2,000 US patients implanted in general practice use. Methods -De-identified data from the remote monitoring Merlin...
February 20, 2017: Circulation
https://www.readbyqxmd.com/read/28219580/use-of-anti-thymocyte-globulin-for-induction-therapy-in-cardiac-transplantation-a-review
#18
V Ruan, L S C Czer, M Awad, M Kittleson, J Patel, F Arabia, F Esmailian, D Ramzy, J Chung, M De Robertis, A Trento, J A Kobashigawa
The most common causes of death after heart transplantation (HTx) include acute rejection and multi-organ failure in the early period and malignancy and cardiac allograft vasculopathy (CAV) in the late period. Polyclonal antibody preparations such as rabbit anti-thymocyte globulin (ATG) may reduce early acute rejection and the later occurrence of CAV after HTx. ATG therapy depletes T cells, modulates adhesion and cell-signaling molecules, interferes with dendritic cell function, and induces B-cell apoptosis and regulatory and natural killer T-cell expansion...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28218213/surgical-treatment-of-double-outlet-right-ventricle-complicated-by-pulmonary-hypertension
#19
Qing-Yu Wu, Dong-Hai Li, Hong-Yin Li, Ming-Kui Zhang, Zhong-Hua Xu, Hui Xue
BACKGROUND: Double outlet right ventricle (DORV) is a group of complex congenital heart abnormalities. Preoperative pulmonary hypertension (PH) is considered an important risk factor for early death during the surgical treatment of DORV. The aim of this study was to report our experience on surgical treatment of DORV complicated by PH. METHODS: From June 2004 to November 2016, 61 patients (36 males and 25 females) aged 2 weeks to 26 years (median: 0.67 years and interquartile range: 0...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28217818/psychosocial-needs-and-interventions-for-heart-failure-patients-and-families-receiving-palliative-care-support-a-systematic-review
#20
REVIEW
John G Cagle, Morgan Bunting, Anne Kelemen, Joonyup Lee, Dorothy Terry, Ryan Harris
Although diseases of the heart are the leading cause of death in the USA, palliative care research has largely focused on populations of cancer patients. However, a diagnosis of heart failure differs substantially than that of cancer. They differ in terms of signs and symptoms, disease trajectories, treatment options, stigma, and prognosis. Additionally, the populations affected by these differing illnesses are also unique in a number of fundamental ways. Based on these differences, it is reasonable to hypothesize that palliative care patients with heart failure, and their families, have a distinct set of psychosocial needs...
February 20, 2017: Heart Failure Reviews
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