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https://www.readbyqxmd.com/read/28433554/catheter-ablation-to-prevent-sudden-cardiac-death
#1
Josef Kautzner, Petr Peichl
Since ventricular arrhythmias are a common cause of sudden cardiac death (SCD), treatment for ventricular arrhythmias is the target area of interest in research field. Among different means to prevent ventricular arrhythmias, catheter ablation (CA) has emerged as an effective therapeutic method. CA can decrease the likelihood of SCD in the following arrhythmia categories: 1) idiopathic ventricular fibrillation (VF) that is usually triggered by premature ventricular beats originating in the Purkinje fibres; 2) VF in subjects with structural heart disease, especially after myocardial infarction, that is triggered by premature ventricular beats from surviving Purkinje fibres; 3) Brugada syndrome in which modification of an epicardial substrate in the right ventricular outflow tract might be the most promising strategy; 4) recurrent monomorphic ventricular tachycardias in the setting of structural heart disease; 5) ventricular preexcitation in which CA appears to be a method of choice in high risk patients, regardless of the presence or absence of symptoms...
April 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28431832/unravelling-the-mysteries-of-sudden-unexpected-death-in-epilepsy
#2
K G Hampel, R Rocamora Zuñiga, C M Quesada
INTRODUCTION: Sudden unexpected death in epilepsy (SUDEP) is the most frequent cause of premature death in epileptic patients. Most SUDEP events occur at night and frequently go unnoticed; the exact pathophysiological mechanisms of this phenomenon therefore remain undetermined. Nevertheless, most cases of SUDEP are attributed to an infrequent yet extremely severe complication of epileptic seizures. DEVELOPMENT: We conducted a systematic literature search on PubMed...
April 18, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28431317/ambient-pm2-5-exposure-and-premature-mortality-burden-in-the-holy-city-varanasi-india
#3
Vaishali Jain, Sagnik Dey, Sourangsu Chowdhury
More than 3 million population residing in the holy city Varanasi and sub-urban areas is exposed to very high level of fine particulate matter (PM2.5) from various sources. Continuous monitoring by Central Pollution Control Board started only in 2015; therefore what was the pollution level in the past and how it has changed over the years are not known. We use MODIS aerosol products to infer PM2.5 and examine 15-year climatology. Data shows a rapid (1.5-3% per year) increase in PM2.5 in the last 15 years and high (87% days in a year) persistence of PM2...
April 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28428977/19th-workshop-of-the-international-stroke-genetics-consortium-april-28-29-2016-boston-massachusetts-usa-2016-001-mri-defined-cerebrovascular-genomics-the-charge-consortium
#4
S Debette, Y Saba, D Vojinovic, X Jian, H Adams, G Chauhan, M Sargurupremraj, S Kaffashian, J Ding, J C Bis, P Nyquist, K Mather, C Van Duijn, L J Launer, M A Ikram, H Schmidt, W T Longstreth, M Fornage, S Seshadri
The CHARGE consortium is an investigator-initiated collaboration to facilitate meta-analyses of genome-wide association studies (GWAS) and genomic analyses based on next generation sequencing (NGS), among multiple large and well-phenotyped population-based cohort studies around the world (http://www.chargeconsortium.com). Within the neuro-CHARGE working group, we are presenting an update of ongoing genomic studies on MRI-markers of cerebrovascular disease. Large population-based studies have shown that the burden of cerebrovascular disease extends far beyond that of clinical stroke...
March 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28427844/cost-effectiveness-of-influenza-vaccination-in-patients-with-acute-coronary-syndrome-in-korea
#5
Jinuk Suh, Boyeon Kim, Yunseok Yang, Dong-Churl Suh, Eunyoung Kim
BACKGROUND: Influenza can cause cardiovascular abnormalities by inappropriately activating the coagulation cascade. Therefore, influenza vaccination is important because it decreases the risk of hospitalization for and mortality associated with heart disease. In particular, it reduces the occurrence of major adverse cardiovascular events (MACEs) in acute coronary syndrome (ACS) patients. Our study aimed to estimate the disease burden of MACEs and its related direct and indirect costs in ACS patients...
April 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28427554/clinical-and-hemodynamic-improvements-after-adding-ambrisentan-to-background-pde5i-therapy-in-patients-with-pulmonary-arterial-hypertension-exhibiting-a-suboptimal-therapeutic-response-athena-1
#6
Shelley Shapiro, Fernando Torres, Jeremy Feldman, Anne Keogh, Martine Allard, Christiana Blair, Hunter Gillies, James Tislow, Ronald J Oudiz
OBJECTIVE: Pulmonary arterial hypertension (PAH) is a condition which may lead to right ventricular failure and premature death. While recent data supports the initial combination of ambrisentan (a selective ERA) and tadalafil (a PDE5i) in functional class II or III patients, there is no published data describing the safety and efficacy of ambrisentan when added to patients currently receiving a PDE5i and exhibiting a suboptimal response. The ATHENA-1 study describes the safety and efficacy of the addition of ambrisentan in this patient population...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28427423/analysis-of-inequality-in-maternal-and-child-health-outcomes-and-mortality-from-2000-to-2013-in-china
#7
Yanting Li, Yimin Zhang, Shuai Fang, Shanshan Liu, Xinyu Liu, Ming Li, Hong Liang, Hua Fu
BACKGROUND: Inequality in maternal and child health seriously hinders the overall improvement of health, which is a concern in both the United Nations Sustainable Development Goals (SDGs) and Healthy China 2030. However, research on the equality of maternal and child health is scarce. This study longitudinally assessed the equality trends in China's maternal and child health outcomes from 2000 to 2013 based on place of residence and gender to improve the fairness of domestic maternal and child health...
April 20, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28426303/measures-of-local-segregation-for-monitoring-health-inequities-by-local-health-departments
#8
Nancy Krieger, Pamela D Waterman, Neelesh Batra, Johnna S Murphy, Daniel P Dooley, Snehal N Shah
OBJECTIVES: To assess the use of local measures of segregation for monitoring health inequities by local health departments. METHODS: We analyzed preterm birth and premature mortality (death before the age of 65 years) rates for Boston, Massachusetts, for 2010 to 2012, using the Index of Concentration at the Extremes (ICE) and the poverty rate at both the census tract and neighborhood level. RESULTS: For premature mortality at the census tract level, the rate ratios comparing the worst-off and best-off terciles were 1...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28425738/the-link-between-discrimination-and-telomere-length-in-african-american-adults
#9
Daniel B Lee, Eric S Kim, Enrique W Neblett
OBJECTIVE: Prior work shows that discrimination is associated with a wide array of negative health outcomes. However, the biological mechanisms through which this link occurs require more study. We evaluated the association between discrimination and leukocyte telomere length (LTL; a biological marker of systemic aging). METHOD: Cross-sectional data were from the Health and Retirement study, a study of people aged 51+ in the United States, and included 595 African American males and females...
May 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28424219/down-regulation-of-rbo-pi4kiii%C3%AE-facilitates-a%C3%AE-42-secretion-and-ameliorates-neural-deficits-in-a%C3%AE-42-expressing-drosophila
#10
Xiao Zhang, Wen-An Wang, Li-Xiang Jiang, Hai-Yan Liu, Bao-Zhu Zhang, Nastasia Lim, Qing-Yi Li, Fu-De Huang
Phosphoinositides and their metabolizing enzymes are involved in Aβ42 metabolism and Alzheimer's disease (AD) pathogenesis. In yeast and mammals, Eighty-five requiring 3 (EFR3), whose Drosophila homolog is Rolling Blackout (RBO), forms a plasma membrane-localized protein complex with phosphatidylinositol-4-kinase type IIIα(PI4KIIIα) and a scaffold protein to tightly control the level of plasmalemmal phosphatidylinositol-4-phosphate (PI4P). Here, we report that RBO binds to Drosophila PI4KIIIα, and that in an Aβ42-expressing Drosophila model, separate genetic reduction of PI4KIIIα and RBO, or pharmacological inhibition of PI4KIIIα ameliorated synaptic transmission deficit, climbing ability decline, and premature death, and reduced neuronal accumulation of Aβ42 Moreover, we found that RBO-PI4KIIIa downregulation increased neuronal Aβ42 release, and that PI4P facilitated the assembly or oligomerization of Aβ42 in/on liposomes...
April 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28423971/intrauterine-infection-immune-system-and-premature-birth
#11
Fernanda Rodrigues Helmo, Eduardo Arthur Rodovalho Alves, Renata Alves de Andrade Moreira, Viviane Oliveira Severino, Laura Penna Rocha, Maria Luíza Gonçalves Dos Reis Monteiro, Marlene Antônia Dos Reis, Renata Margarida Etchebehere, Juliana Reis Machado, Rosana Rosa Miranda Corrêa
Preterm birth accounts for nearly one million deaths among children under five years of age, and although its etiopathogenesis is not fully elucidated, ascending intrauterine infection and fetal inflammatory response seem to be the main triggers. The intense inflammatory response mediated by IL-1β, TNF-α, PAF, IFN-γ and IL-6, PGE2 and MMP-1 and MMP-9 causes fetal membrane damage and rupture, increased uterine contractions and biochemical and structural changes in the cervix. Furthermore, preterm neonates have deficient innate and adaptive immune responses characterized by reduced levels of IgG, opsonization and phagocytosis, as well as increased activation of Th1 cells in relation to Th2 cells...
April 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28423660/progerin-impairs-vascular-smooth-muscle-cell-growth-via-the-dna-damage-response-pathway
#12
Daisuke Kinoshita, Ayako Nagasawa, Ippei Shimizu, Takashi K Ito, Yohko Yoshida, Masanori Tsuchida, Atsushi Iwama, Toshiya Hayano, Tohru Minamino
Mutations of the lamin A gene cause various premature aging syndromes, including Hutchinson-Gilford progeria syndrome (HGPS) and atypical Werner syndrome. In HGPS (but not atypical Werner syndrome), extensive loss of vascular smooth muscle cells leads to myocardial infarction with premature death. The underlying mechanisms how single gene mutations can cause various phenotypes are largely unknown. We performed an interactome analysis using mutant forms of lamin A involved in progeroid syndromes. We found that the mutant lamin A responsible for HGPS, known as progerin, could not bind to proteins related to the DNA damage response, including DNA-dependent protein kinase (DNA-PK)...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423308/how-a-mutation-that-slows-aging-can-also-disproportionately-extend-end-of-life-decrepitude
#13
Katie Podshivalova, Rex A Kerr, Cynthia Kenyon
The goal of aging research is to extend healthy, active life. For decades, C. elegans daf-2 insulin/insulin-like growth factor 1 (IGF-1) receptor mutants have served as a model for extended lifespan and youthfulness. However, a recent report suggested that their longevity is associated with an undesirable phenotype: a disproportionately long period of decrepitude at the end of life. In the human population, such an outcome would be a burden to society, bringing into question the relevance of daf-2 mutants as a model for life extension...
April 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28421965/reducing-premature-mortality-from-non-communicable-diseases
#14
Christi Deaton
Cardiovascular disease and other non-communicable diseases, such as diabetes, cancer and chronic respiratory disease, are a leading cause of premature death and disability worldwide. This article emphasises the importance of prevention in reducing death and disability from preventable non-communicable diseases, especially for individuals with established risk factors for these diseases. It reviews global initiatives to reduce morality rates from these diseases, identifies opportunities for nurses and other healthcare professionals to discuss risk factors with patients, and provides practical suggestions on how to provide advice on healthy lifestyles and enable behaviour change...
April 19, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28421264/epidemiology-of-sarcopenia-determinants-throughout-the-lifecourse
#15
S C Shaw, E M Dennison, C Cooper
Sarcopenia is an age-related syndrome characterised by progressive and generalised loss of skeletal muscle mass and strength; it is a major contributor to the risk of physical frailty, functional impairment in older people, poor health-related quality of life and premature death. Many different definitions have been used to describe sarcopenia and have resulted in varying estimates of prevalence of the condition. The most recent attempts of definitions have tried to integrate information on muscle mass, strength and physical function and provide a definition that is useful in both research and clinical settings...
April 18, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28420542/improving-prehospital-trauma-care-in-rwanda-through-continuous-quality-improvement-an-interrupted-time-series-analysis
#16
John W Scott, Jeanne D'Arc Nyinawankusi, Samuel Enumah, Rebecca Maine, Eric Uwitonze, Yihan Hu, Ignace Kabagema, Jean Claude Byiringiro, Robert Riviello, Sudha Jayaraman
INTRODUCTION: Injury is a major cause of premature death and disability in East Africa, and high-quality pre-hospital care is essential for optimal trauma outcomes. The Rwandan pre-hospital emergency care service (SAMU) uses an electronic database to evaluate and optimize pre-hospital care through a continuous quality improvement programme (CQIP), beginning March 2014. MATERIALS AND METHODS: The SAMU database was used to assess pre-hospital quality metrics including supplementary oxygen for hypoxia (O2), intravenous fluids for hypotension (IVF), cervical collar placement for head injuries (c-collar), and either splinting (splint) or administration of pain medications (pain) for long bone fractures...
April 5, 2017: Injury
https://www.readbyqxmd.com/read/28420365/social-determinants-of-antibiotic-misuse-a-qualitative-study-of-community-members-in-haryana-india
#17
Anna K Barker, Kelli Brown, Muneeb Ahsan, Sharmila Sengupta, Nasia Safdar
BACKGROUND: Antibiotic resistance is a global public health crisis. In India alone, multi-drug resistant organisms are responsible for over 58,000 infant deaths each year. A major driver of drug resistance is antibiotic misuse, which is a pervasive phenomenon worldwide. Due to a shortage of trained doctors, access to licensed allopathic doctors is limited in India's villages. Pharmacists and unlicensed medical providers are commonly the primary sources of healthcare. Patients themselves are also key participants in the decision to treat an illness with antibiotics...
April 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28418733/feasibility-of-spect-ct-imaging-to-study-the-pharmacokinetics-of-antisense-oligonucleotides-in-a-mouse-model-of-duchenne-muscular-dystrophy
#18
Evita van de Steeg, Tilman Läppchen, Begoña Aguilera, Harm T Jansen, Daan Muilwijk, Rick Vermue, José W van der Hoorn, Katia Donato, Raffaella Rossin, Peter C de Visser, Maria L H Vlaming
Antisense oligonucleotides (AONs) are promising candidates for treatment of Duchenne muscular dystrophy (DMD), a severe and progressive disease resulting in premature death. However, more knowledge on the pharmacokinetics of new AON drug candidates is desired for effective application in the clinic. We assessed the feasibility of using noninvasive single-photon emission computed tomography-computed tomography (SPECT-CT) imaging to determine AON pharmacokinetics in vivo. To this end, a 2'-O-methyl phosphorothioate AON was radiolabeled with (123)I or (111)In, and administered to mdx mice, a rodent model of DMD...
April 18, 2017: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/28417953/recombinant-adeno-associated-virus-mediated-rescue-of-function-in-a-mouse-model-of-dopamine-transporter-deficiency-syndrome
#19
P Illiano, C E Bass, L Fichera, L Mus, E A Budygin, T D Sotnikova, D Leo, S Espinoza, R R Gainetdinov
Dopamine Transporter Deficiency Syndrome (DTDS) is a rare autosomal recessive disorder caused by loss-of-function mutations in dopamine transporter (DAT) gene, leading to severe neurological disabilities in children and adults. DAT-Knockout (DAT-KO) mouse is currently the best animal model for this syndrome, displaying functional hyperdopaminergia and neurodegenerative phenotype leading to premature death in ~36% of the population. We used DAT-KO mouse as model for DTDS to explore the potential utility of a novel combinatorial adeno-associated viral (AAV) gene therapy by expressing DAT selectively in DA neurons and terminals, resulting in the rescue of aberrant striatal DA dynamics, reversal of characteristic phenotypic and behavioral abnormalities, and prevention of premature death...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416458/on-the-origins-of-sex-based-differences-in-respiratory-disorders-lessons-and-hypotheses-from-stress-neuroendocrinology-in-developing-rats
#20
REVIEW
Jean-Philippe Rousseau, Luana Tenorio-Lopes, Cécile Baldy, Tara Adele Janes, Stéphanie Fournier, Richard Kinkead
The environment plays a critical role in shaping development and function of the brain. Stress, especially when experienced early in life, can interfere with these processes. In the context of respiratory control, perinatal stress can therefore alter the ability to achieve the "fine-tuning" necessary for proper detection of chemosensory stimuli and production of an adequate motor (respiratory) command. Depending on the timing, intensity, and duration, the detrimental consequences of perinatal exposure to adverse conditions on the respiratory network become manifest at various life stages and can persist into adulthood...
April 14, 2017: Respiratory Physiology & Neurobiology
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