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adult structural heart disease

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https://www.readbyqxmd.com/read/28087179/value-of-serum-n-terminal-b-type-natriuretic-peptide-in-asymptomatic-structural-heart-disease-in-taiwanese-population-comparisons-with-current-esc-guidelines
#1
Ta-Chuan Hung, Kuang-Te Wang, Chun-Ho Yun, Jen-Yuan Kuo, Charles Jia-Yin Hou, Chia-Yuan Liu, Tung-Hsin Wu, Hiram G Bezerra, Hsiao-Yang Cheng, Chung-Lieh Hung, Hung-I Yeh
BACKGROUND: The relationship between N-terminal pro-brain natriuretic peptide (NT-proBNP) and cardiac structural or functional anomalies in pre-clinical, asymptomatic Asian populations has not been well identified. METHODS: From October 2005 to March 2008, we enrolled consecutive asymptomatic adults with preserved global left ventricular (LV) function (ejection fraction>50%) who underwent annual cardiovascular health survey. Circulating NT-proBNP was used to identify echo-defined cardiac structural/functional anomalies and compared to current recommended cut-off from the European Society of Heart Failure...
December 29, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28076798/neonatal-transplantation-confers-maturation-of-psc-derived-cardiomyocytes-conducive-to-modeling-cardiomyopathy
#2
Gun-Sik Cho, Dong I Lee, Emmanouil Tampakakis, Sean Murphy, Peter Andersen, Hideki Uosaki, Stephen Chelko, Khalid Chakir, Ingie Hong, Kinya Seo, Huei-Sheng Vincent Chen, Xiongwen Chen, Cristina Basso, Steven R Houser, Gordon F Tomaselli, Brian O'Rourke, Daniel P Judge, David A Kass, Chulan Kwon
Pluripotent stem cells (PSCs) offer unprecedented opportunities for disease modeling and personalized medicine. However, PSC-derived cells exhibit fetal-like characteristics and remain immature in a dish. This has emerged as a major obstacle for their application for late-onset diseases. We previously showed that there is a neonatal arrest of long-term cultured PSC-derived cardiomyocytes (PSC-CMs). Here, we demonstrate that PSC-CMs mature into adult CMs when transplanted into neonatal hearts. PSC-CMs became similar to adult CMs in morphology, structure, and function within a month of transplantation into rats...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28062939/early-transverse-tubule-development-begins-in-utero-in-the-sheep-heart
#3
Michelle L Munro, Christian Soeller
The ventricular cardiomyocytes of adult mammals contain invaginations of the plasma membrane known as transverse (t)-tubules. These regular structures are essential for the synchronisation of excitation-contraction (EC) coupling throughout the cell, which is a vital process for cardiac function. T-tubules form a close association with the sarcoplasmic reticulum (SR) to form junctions, where several key proteins involved in EC coupling are localised, including the SR calcium release channels-the ryanodine receptors (RyR)...
January 6, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/28061822/cardiovascular-risk-and-endothelial-function-in-people-living-with-hiv-aids-design-of-the-multi-site-longitudinal-endoafrica-study-in-the-western-cape-province-of-south-africa
#4
Hans Strijdom, Patrick De Boever, Gerhard Walzl, M Faadiel Essop, Tim S Nawrot, Ingrid Webster, Corli Westcott, Nyiko Mashele, Frans Everson, Stephanus T Malherbe, Kim Stanley, Harald H Kessler, Evelyn Stelzl, Nandu Goswami
BACKGROUND: There is growing evidence of an interaction between HIV-infection, anti-retroviral therapy (ART) and cardiovascular diseases (CVD). Epidemiological studies in Europe and North America have been observing a shift towards an increased incidence of coronary heart disease and acute myocardial infarctions in HIV-infected populations compared to the general population even after adjusting for traditional cardiovascular risk factors. Despite South Africa (and sub-Saharan Africa, SSA) being regarded as the epicentre of the global HIV epidemic, very little is known about the prevalence of cardiovascular risk factors and precursors of vascular disease in HIV-infected populations in this region...
January 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28040279/ideal-cardiovascular-health-in-childhood-longitudinal-associations-with-cardiac-structure-and-function-the-special-turku-coronary-risk-factor-intervention-project-strip-and-the-cardiovascular-risk-in-young-finns-study-yfs
#5
Tomi T Laitinen, Saku Ruohonen, Markus Juonala, Costan G Magnussen, Vera Mikkilä, Hanna Mikola, Nina Hutri-Kähönen, Tomi Laitinen, Päivi Tossavainen, Eero Jokinen, Harri Niinikoski, Antti Jula, Jorma S A Viikari, Tapani Rönnemaa, Olli T Raitakari, Katja Pahkala
BACKGROUND: Ideal cardiovascular health (CVH), defined by the American Heart Association, is associated with incident cardiovascular disease in adults. However, association of the ideal CVH in childhood with current and future cardiac structure and function has not been studied. METHODS AND RESULTS: The sample comprised 827 children participating in the longitudinal Special Turku Coronary Risk Factor Intervention Project (STRIP) and The Cardiovascular Risk in Young Finns Study (YFS)...
December 23, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28017937/catheter-ablation-of-atrial-fibrillation-in-very-young-adults-a-5-year-follow-up-study
#6
Ardan M Saguner, Tilman Maurer, Erik Wissner, Francesco Santoro, Christine Lemes, Shibu Mathew, Christian Sohns, Christian H Heeger, Bruno Reißmann, Johannes Riedl, Thomas Fink, Kentaro Hayashi, Peter Wohlmuth, Karl-Heinz Kuck, Feifan Ouyang, Andreas Metzner
AIMS: Catheter ablation is an established therapy for symptomatic atrial fibrillation (AF). However, outcome data on catheter ablation for AF in young adults is scarce. METHODS AND RESULTS: From 2005-2014, 85 consecutive young adults (mean age 31 ± 4 years; 69% men) with symptomatic paroxysmal AF (PAF, n = 52) and persistent (Pers) AF (n = 33) underwent pulmonary vein isolation (PVI) [±ablation of complex fractionated atrial electrograms/linear lesions in PVI non-responders] at our centre...
December 25, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28006998/supraventricular-tachycardia-during-the-first-year-of-life-is-subclinical-inflammation-the-trigger
#7
P P Bassareo, V Fanos, M Pala, L Antonucci, P Neroni, R Antonucci, G Mercuro
BACKGROUND: Neutrophil/lymphocyte ratio (NLR) and red cell distribution width (RDW) may be associated with the onset of arrhythmias in adults, thus underlining a possible inflammatory etiology. Paroxysmal supraventricular tachycardia (SVT) is the most frequent pathological tachycardia in childhood. AIMS: To verify NLR and RDW levels in a group of children (<1 year) affected by SVT with a structurally normal heart and without fever nor inflammatory diseases; to compare NLR and RDW before and after SVT resolution, to verify whether the latter was related with the reduction in inflammatory state; to identify -in SVT subtypes caused by a re-entry mechanism- an NLR and RDW cut-off point beyond which adenosine was ineffective in preventing SVT recurrence...
December 23, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27989075/maldi-imaging-mass-spectrometry-as-a-lipidomic-approach-to-heart-valve-research
#8
Peggi M Angel, Ahmed S Bayoumi, Robert B Hinton, Yan Ru Su, David Bichell, John E Mayer, H Scott Baldwin, Richard M Caprioli
BACKGROUND: Valvular disease is characterized in part by lipid deposition, but systematic analysis of the patterns of global lipid expression in healthy and diseased valve tissues are unknown. This is due in part to tissue limitations for lipidomic preparations and technologies for evaluating lipid distribution in tissues. The study aim was to examine the application of matrixassisted laser desorption ionization imaging mass spectrometry (MALDI IMS) to the aortic valve during development and disease, as an approach to detect and map lipids and ultimately better understand valve structure and function...
March 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27974158/clinicopathological-features-of-cardiac-glycolipid-storage-disease-in-an-adult-pug
#9
J N S N Tran, K J Ash, S V Seshan, K M Kelly
A 12-year-old neutered male pug suffered cardiac arrest and died under general anaesthesia during diagnostic imaging for evaluation of exercise intolerance and respiratory crisis. Histopathological evaluation revealed two types of storage material, glycolipid and lipopigment, having differential distributions in multiple organs. The heart was most strikingly affected and other less affected tissues included the liver, brain, kidneys and skin. Cardiomyocytes were swollen with extensive sarcoplasmic vacuolation together with coalescing areas of myocardial fibrosis...
December 11, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27957813/neurocognitive-functioning-in-adults-with-congenital-heart-disease
#10
Dawn Ilardi, Kim E Ono, Rebecca McCartney, Wendy Book, Anthony Y Stringer
OBJECTIVE: Adults with congenital heart disease (CHD) are at increased risk of psychological disorders and cognitive deficiencies due to structural/acquired neurological abnormalities and neurodevelopmental disorders as children. However, limited information is known about the neuropsychological functioning of adults with CHD. This study screened neuropsychological abilities and explored group differences related to cardiac disease severity and neurological risk factors in adults with CHD...
December 13, 2016: Congenital Heart Disease
https://www.readbyqxmd.com/read/27923806/pedal-edema-as-an-indicator-of-early-heart-failure-in-the-community-prevalence-and-associations-with-cardiac-structure-function-and-natriuretic-peptides-mesa-multiethnic-study-of-atherosclerosis
#11
Joseph Yeboah, Alain Bertoni, Waqas Qureshi, Shivani Aggarwal, Joao A C Lima, Nadine Kawel-Boehm, David A Bluemke, Sanjiv J Shah
BACKGROUND: The prevalence of pedal edema (PE) and its associations with abnormal cardiac structure/function, natriuretic peptides, and incident heart failure (HF) is unknown, especially in community-dwelling adults without a history of cardiovascular disease. METHODS AND RESULTS: Out of 5004 MESA (Multiethnic Study of Atherosclerosis) participants who had cardiac magnetic resonance imaging, 4196 had complete data and were included in this analysis (3501 for the right ventricle analysis)...
December 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/27909479/atrial-fibrillation-ablation-in-adults-with-repaired-congenital-heart-disease
#12
REVIEW
Marta Acena Md, Ignasi Anguera Md PhD, Paolo D Dallaglio Md, Marcos Rodriguez Md, Xavier Sabaté Md PhD
The incidence of atrial fibrillation (AF) in congenital heart disease (CHD) adults has increased in the past decades due to a longer life expectancy of this population where the subjects are exposed to cardiac overflow, overpressure and structural changes for years. The literature regarding AF ablation in repaired CHD adults emphasizes the importance of intracardiac echocardiography (ICE) to perform the transseptal puncture and the ablation procedure in the left atrium (LA), both effectively and safely. In small case control studies, where the predominant congenital cardiomyopathy was the atrial septal defect, the most common strategy for ablation was antral isolation of the pulmonary veins showing results, at one year follow-up, similar to those in the general population...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27895476/community-based-exercise-training-for-people-with-chronic-respiratory-and-chronic-cardiac-disease-a-mixed-methods-evaluation
#13
Renae J McNamara, Zoe J McKeough, Laura R Mo, Jamie T Dallimore, Sarah M Dennis
BACKGROUND: Poor uptake and adherence are problematic for hospital-based pulmonary and heart failure rehabilitation programs, often because of access difficulties. The aims of this mixed-methods study were to determine the feasibility of a supervised exercise training program in a community gymnasium in people with chronic respiratory and chronic cardiac disease, to explore the experiences of participants and physiotherapists and to determine if a community venue improved access and adherence to rehabilitation...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27881564/heart-failure-stages-among-older-adults-in-the-community-the-atherosclerosis-risk-in-communities-study
#14
Amil M Shah, Brian Claggett, Laura R Loehr, Patricia P Chang, Kunihiro Matsushita, Dalane Kitzman, Suma Konety, Anna Kucharska-Newton, Carla A Sueta, Thomas H Mosley, Jacqueline D Wright, Joseph Coresh, Gerardo Heiss, Aaron R Folsom, Scott D Solomon
BACKGROUND: Although heart failure (HF) disproportionately affects older adults, little data exist regarding the prevalence of American College of Cardiology/American Heart Association HF stages among older individuals in the community. Additionally, the role of contemporary measures of longitudinal strain and diastolic dysfunction in defining HF stages is unclear. METHODS: HF stages were classified in 6118 participants in the Atherosclerosis Risk in Communities study (67-91 years of age) at the fifth study visit as follows: A (asymptomatic with HF risk factors but no cardiac structural or functional abnormalities), B (asymptomatic with structural abnormalities, defined as left ventricular hypertrophy, dilation or dysfunction, or significant valvular disease), C1 (clinical HF without prior hospitalization), and C2 (clinical HF with earlier hospitalization)...
January 17, 2017: Circulation
https://www.readbyqxmd.com/read/27871939/cell-cell-communication-mediated-by-the-car-subgroup-of-immunoglobulin-cell-adhesion-molecules-in-health-and-disease
#15
REVIEW
Claudia Matthäus, Hanna Langhorst, Laura Schütz, René Jüttner, Fritz G Rathjen
The immunoglobulin superfamily represents a diverse set of cell-cell contact proteins and includes well-studied members such as NCAM1, DSCAM, L1 or the contactins which are strongly expressed in the nervous system. In this review we put our focus on the biological function of a less understood subgroup of Ig-like proteins composed of CAR (coxsackievirus and adenovirus receptor), CLMP (CAR-like membrane protein) and BT-IgSF (brain and testis specific immunoglobulin superfamily). The CAR-related proteins are type I transmembrane proteins containing an N-terminal variable (V-type) and a membrane proximal constant (C2-type) Ig domain in their extracellular region which are implicated in homotypic adhesion...
November 18, 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27867456/heart-failure-in-children
#16
REVIEW
N Jayaprasad
Heart failure (HF) in children differs from that in adults in many respects. The causes and clinical presentations may differ considerably among children of different age groups and between children and adults. The time of onset of HF holds the key to the etiological diagnosis. Clinical presentation of HF in younger children can be nonspecific requiring heightened degree of suspicion. The overall outcome with HF is better in children than in adults as HF in children is commonly due to structural heart disease and reversible conditions which are amenable to therapy...
July 2016: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/27865756/association-of-insulin-dosage-with-mortality-or-major-adverse-cardiovascular-events-a-retrospective-cohort-study
#17
John-Michael Gamble, Eugene Chibrikov, Laurie K Twells, William K Midodzi, Stephanie W Young, Don MacDonald, Sumit R Majumdar
BACKGROUND: Existing studies have shown conflicting evidence regarding the safety of exogenous insulin therapy in patients with type 2 diabetes. In particular, observational studies have reported an increased risk of death and cardiovascular disease among users of higher versus lower doses of insulin. We aimed to quantify the association between increasing dosage of insulin exposure and death and cardiovascular events, while taking into account time-dependent confounding and mediation that might have biased previous studies...
January 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27860144/the-not-so-innocent-heart-murmur-a-five-year-experience
#18
Shaw-Hua Kueh, Thomas Pasley, Miriam Wheeler, James Pemberton
BACKGROUND: Auckland City Hospital (ACH) established a Heart Murmur Clinic (HMC) with the aim of providing prompt assessment of patients with asymptomatic systolic murmurs. This may lead to early intervention and improved outcomes if significant structural heart disease is detected and reassurance if no significant findings found. Similar clinics for children have proven beneficial; the benefit of a HMC in an adult population has been difficult to determine. OBJECTIVES: To review the clinical demographics and echocardiographic information of patients presenting to our HMC and to assess what proportion had significant structural heart disease and determine the common structural abnormalities in this population...
November 16, 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27836946/heart-transplantation-in-adult-congenital-heart-disease
#19
REVIEW
Luke J Burchill
Heart failure (HF) in adult congenital heart disease (ACHD) is vastly different to that observed in acquired heart disease. Unlike acquired HF in which pharmacological strategies are the cornerstone for protecting and improving ventricular function, ACHD-related HF relies heavily upon structural and other interventions to achieve these aims. patients with ACHD constitute a small percentage of the total adult heart transplant population (∼3%), although the number of ACHD heart transplant recipients is growing rapidly with a 40% increase over the last two decades...
December 1, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27831631/stem-cells-differentiation-and-probing-their-therapeutic-applications-in-hematological-disorders-a-critical-review
#20
F Ali, S Taresh, M Al-Nuzaily, P L Mok, A Ismail, S Ahmad
Numerous lines of evidence support that bone marrow is a rich source of stem cells that can be used for research purposes and to treat some complex blood diseases and cancers. Stem cells are a potential source for regenerative medicine and tissue replacement after injury or disease, and mother cells that possess the capacity to become any type of cell in the body. They are cells without specific structure and characterized by their ability to self-renew or multiply while maintaining the potential to develop into other types of cells...
October 2016: European Review for Medical and Pharmacological Sciences
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