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Reversing heart disease

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https://www.readbyqxmd.com/read/28108860/early-cardioversion-in-atrial-fibrillation-earlier-is-better-but-not-always-and-maybe-not-immediately
#1
REVIEW
Paloma G Piña, Alexandru B Chicos
Atrial fibrillation (AF) is the most common cardiac arrhythmia in humans. One of its important features is the tendency to become more persistent over time, even in the absence of underlying progressive heart disease. Conversion and maintenance of sinus rhythm by pharmacological or electrical methods become increasingly difficult the longer the arrhythmia persists. Electrical, mechanical, structural, and autonomic remodeling processes have been implicated in the mechanisms of AF initiation, perpetuation, and progression...
January 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28104770/decline-in-cardiovascular-mortality-possible-causes-and-implications
#2
REVIEW
George A Mensah, Gina S Wei, Paul D Sorlie, Lawrence J Fine, Yves Rosenberg, Peter G Kaufmann, Michael E Mussolino, Lucy L Hsu, Ebyan Addou, Michael M Engelgau, David Gordon
If the control of infectious diseases was the public health success story of the first half of the 20th century, then the decline in mortality from coronary heart disease and stroke has been the success story of the century's past 4 decades. The early phase of this decline in coronary heart disease and stroke was unexpected and controversial when first reported in the mid-1970s, having followed 60 years of gradual increase as the US population aged. However, in 1978, the participants in a conference convened by the National Heart, Lung, and Blood Institute concluded that a significant recent downtick in coronary heart disease and stroke mortality rates had definitely occurred, at least in the US Since 1978, a sharp decline in mortality rates from coronary heart disease and stroke has become unmistakable throughout the industrialized world, with age-adjusted mortality rates having declined to about one third of their 1960s baseline by 2000...
January 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/28097824/mechanisms-of-metabolic-memory-and-renal-hypoxia-as-a-therapeutic-target-in-diabetic-kidney-disease
#3
REVIEW
Yosuke Hirakawa, Tetsuhiro Tanaka, Masaomi Nangaku
Diabetic kidney disease (DKD) is a worldwide public health problem. The definition of DKD is being under discussion. Although the term DKD was originally defined as "kidney disease specific to diabetes", DKD frequently means chronic kidney disease (CKD) with diabetes mellitus and includes not only classical diabetic nephropathy, but also kidney dysfunction due to nephrosclerosis and other causes. Metabolic memory plays a crucial role in the progression of various complications of diabetes, including DKD. The mechanisms of metabolic memory in DKD are supposed to include advanced glycation end products, DNA methylation, histone modifications, and non-coding RNA including microRNA...
January 17, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28096168/sk-channel-enhancers-attenuate-ca2-dependent-arrhythmia-in-hypertrophic-hearts-by-regulating-mito-ros-dependent-oxidation-and-activity-of-ryr
#4
Tae Yun Kim, Radmila Terentyeva, Karim H F Roder, Weiyan Li, Man Liu, Ian Greener, Shanna Hamilton, Iuliia Polina, Kevin R Murphy, Richard T Clements, Samuel C Dudley, Gideon Koren, Bum-Rak Choi, Dmitry Terentyev
AIM: s: Plasmamembrane small conductance Ca<su2+p>-activated K<su+ p > (SK) channels were implicated in ventricular arrhythmias in infarcted and failing hearts. Recently, SK channels were detected in the mitochondria inner membrane (mSK), and their activation protected from acute ischemia-reperfusion injury by reducing intracellular levels of reactive oxygen species (ROS). We hypothesized that mSK play an important role in regulating mitochondrial function in chronic cardiac diseases...
January 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28087126/cardiac-lymphatics-a-new-avenue-for-therapeutics
#5
REVIEW
Taina Vuorio, Annakaisa Tirronen, Seppo Ylä-Herttuala
Recent progress in lymphatic vessel biology and in novel imaging techniques has established the importance of the lymphatic vasculature as part of the cardiovascular system. The lymphatic vessel network regulates many physiological processes important for heart function such as fluid balance, transport of extravasated proteins, and trafficking of immune cells. Therefore, lymphangiogenic therapy could be beneficial in the treatment of cardiovascular diseases, for example by improving reverse cholesterol transport (RCT) from atherosclerotic lesions or by resolving edema and fibrosis after myocardial infarction...
January 10, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28079927/developmental-programming-interaction-between-prenatal-bpa-and-postnatal-overfeeding-on-cardiac-tissue-gene-expression-in-female-sheep
#6
L A Koneva, A K Vyas, R C McEachin, M Puttabyatappa, H-S Wang, M A Sartor, V Padmanabhan
Epidemiologic studies and studies in rodents point to potential risks from developmental exposure to BPA on cardiometabolic diseases. Furthermore, it is becoming increasingly evident that the manifestation and severity of adverse outcomes is the result of interaction between developmental insults and the prevailing environment. Consistent with this premise, recent studies in sheep found prenatal BPA treatment prevented the adverse effects of postnatal obesity in inducing hypertension. The gene networks underlying these complex interactions are not known...
January 12, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28073728/biermer-anemia-hematologic-characteristics-of-66-patients-in-a-clinical-hematology-unit-at-senegal
#7
F Seynabou, N Fatou Samba Diago, D Oulimata Diop, S Abibatou Fall, D Nafissatou
Hematological manifestations can lead to diagnosis of pernicious anemia, also known as Biermer disease and Biermer anemia. This disease has been little studied among black Africans. Our aim is to describe its diagnostic and therapeutic aspects and outcome in our practice. This descriptive study retrospectively examined the records of 66 patients with pernicious anemia seen at the Clinical Hematology Unit of Le Dantec Hospital in Senegal from January 1, 2000, to June 30, 2014. Symptoms were anemic syndrome (40 cases), hemolytic anemia (13), anemic heart failure (7), isolated pallor of the mucous membranes (5), and venous thrombosis (2)...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28068786/topical-and-low-dose-intravenous-tranexamic-acid-in-cyanotic-cardiac-surgery
#8
Jigar Patel, Mrugesh Prajapati, Hardik Patel, Hemang Gandhi, Shilpa Deodhar, Himani Pandya
Background Coagulopathy is a major problem in surgery for cyanotic congenital heart disease. Tranexamic acid has been used both topically and systemically and plays a vital role in pediatric cardiac surgery by reducing blood loss and blood product requirement. We aimed to determine the anti-fibrinolytic effectiveness of low-dose systemic or topical tranexamic acid or a combination of both. Methods Seventy-five patients were divided in 3 groups of 25. Group A patients were given tranexamic acid 20 mg kg(-1) intravenously after sternotomy and 20 mg kg(-1) after heparin reversal...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28057890/in-vitro-3d-model-and-mirna-drug-delivery-to-target-calcific-aortic-valve-disease
#9
REVIEW
Casper F T van der Ven, Pin-Jou Wu, Mark W Tibbitt, Alain van Mil, Joost P G Sluijter, Robert Langer, Elena Aikawa
Calcific aortic valve disease (CAVD) is the most prevalent valvular heart disease in the Western population, claiming 17000 deaths per year in the United States and affecting 25% of people older than 65 years of age. Contrary to traditional belief, CAVD is not a passive, degenerative disease but rather a dynamic disease, where initial cellular changes in the valve leaflets progress into fibrotic lesions that induce valve thickening and calcification. Advanced thickening and calcification impair valve function and lead to aortic stenosis (AS)...
February 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28055270/takotsubo-cardiomyopathy-a-known-unknown-foe-of-asthma
#10
Ourania S Kotsiou, Alexandros Douras, Demosthenes Makris, Nikoleta Mpaka, Konstantinos I Gourgoulianis
INTRODUCTION: Patients with uncontrolled asthma are at a greater risk of asthma attacks requiring emergency room visits or hospital admissions. Takotsubo cardiomyopathy is potentially a significant complication in a course of status asthmaticus. CASE STUDY: We present a 43-year-old female patient who presented with status asthmaticus further complicated with takotsubo cardiomyopathy. RESULTS: Recognizing apical ballooning syndrome is challenging in patients with a history of respiratory disease because the symptoms of the last entity may complicate the diagnostic approach...
January 5, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28050459/cardiovascular-abnormalities-in-egyptian-children-with-mucopolysaccharidoses
#11
Laila Selim, Nehal Abdelhamid, Emad Salama, Amera Elbadawy, Iman Gamaleldin, Mohamed Abdelmoneim, Abeer Selim
INTRODUCTION: The Mucopolysaccharidoses (MPS) are rare inherited metabolic disorders. They are characterized by the progressive systemic deposition of Glycosaminoglycans (GAGs). GAGs accumulate in the myocardium and the cardiac valves. Enzyme Replacement Therapy (ERT) is available for MPS I, II, and VI. However, ERT does not appear to improve cardiac valve disease in patients with valve disease present at the start of ERT. AIM: To evaluate the cardiac involvement in Egyptian children with MPS...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045070/carbon-monoxide-pollution-aggravates-ischemic-heart-failure-through-oxidative-stress-pathway
#12
Cyril Reboul, Julien Boissière, Lucas André, Gregory Meyer, Patrice Bideaux, Gilles Fouret, Christine Feillet-Coudray, Philippe Obert, Alain Lacampagne, Jérôme Thireau, Olivier Cazorla, Sylvain Richard
Risk of hospital readmission and cardiac mortality increases with atmospheric pollution for patients with heart failure. The underlying mechanisms are unclear. Carbon monoxide (CO) a ubiquitous environmental pollutant could be involved. We explored the effect of daily exposure of CO relevant to urban pollution on post-myocardial infarcted animals. Rats with ischemic heart failure were exposed 4 weeks to daily peaks of CO mimicking urban exposure or to standard filtered air. CO exposure worsened cardiac contractile dysfunction evaluated by echocardiography and at the cardiomyocyte level...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28042320/heparin-improves-bmsc-cell-therapy-anticoagulant-treatment-by-heparin-improves-the-safety-and-therapeutic-effect-of-bone-marrow-derived-mesenchymal-stem-cell-cytotherapy
#13
Li Liao, Bingzheng Shi, Heran Chang, Xiaoxia Su, Lichao Zhang, Chunsheng Bi, Yi Shuai, Xiaoyan Du, Zhihong Deng, Yan Jin
Systemic infusion of bone marrow-derived mesenchymal stem cells (BMSCs) has become a promising strategy for disease treatment and tissue regeneration. Strategies to enhance the efficiency of BMSC cell therapy are crucial to promote its clinical application. Here, we aimed to improve BMSC cell therapy by inhibiting the BMSC-induced coagulation reaction. Intravenous injection of gradient BMSCs into mice showed that BMSCs were not fully compatible with blood. Large doses of BMSCs induced a series of symptoms of respiratory failure and heart failure...
2017: Theranostics
https://www.readbyqxmd.com/read/28035425/myocardial-stress-perfusion-magnetic-resonance-initial-experience-in-a-pediatric-and-young-adult-population-using-regadenoson
#14
Cory V Noel, Ramkumar Krishnamurthy, Brady Moffett, Rajesh Krishnamurthy
BACKGROUND: Dipyridamole and adenosine are traditional pharmacological stressors for myocardial perfusion. Regadenoson, a selective adenosine A2A agonist, has a lower side effect profile with lower incidence of bronchospasm and bradycardia. There is a growing need for myocardial perfusion assessment within pediatrics. There is no report on the utility of regadenoson as a stress agent in children. OBJECTIVE: To observe the safety and feasibility of regadenoson as a pharmacologic stressor for perfusion cardiac MR in a pilot cohort of pediatric patients weighing more than 40 kg who have congenital heart disease and pediatric acquired heart disease...
December 29, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/28028381/intraocular-pressure-changes-with-positioning-during-laparoscopy
#15
Adewale O Adisa, Oluwatoyin H Onakpoya, Anthony T Adenekan, Oluwaseun O Awe
BACKGROUND AND OBJECTIVES: Pneumoperitoneum during laparoscopy can produce changes in intraocular pressure (IOP) that may be influenced by several factors. In this study, we investigated changes in IOP during laparoscopy with different positioning. METHODS: We recruited adult patients without eye disease scheduled to undergo laparoscopic operation requiring a reverse Trendelenburg tilt (rTr; group A; n = 20) or Trendelenburg tilt (Tr; Group B; n = 20). IOP was measured at 7 time points (T1-T7)...
October 2016: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28028192/evidence-for-reverse-causality-in-the-association-between-blood-pressure-and-cardiovascular-risk-in-patients-with-chronic-kidney-disease
#16
William Herrington, Natalie Staplin, Parminder K Judge, Marion Mafham, Jonathan Emberson, Richard Haynes, David C Wheeler, Robert Walker, Charlie Tomson, Larry Agodoa, Andrzej Wiecek, Sarah Lewington, Christina A Reith, Martin J Landray, Colin Baigent
: Among those with moderate-to-advanced chronic kidney disease, the relationship between blood pressure (BP) and cardiovascular disease seems U shaped but is loglinear in apparently healthy adults. The SHARP (Study of Heart and Renal Protection) randomized 9270 patients with chronic kidney disease to ezetimibe/simvastatin versus matching placebo and measured BP at each follow-up visit. Cox regression was used to assess the association between BP and risk of cardiovascular disease among (1) those with a self-reported history of cardiovascular disease and (2) those with no such history and, based on plasma troponin-I concentration, a low probability of subclinical cardiac disease...
February 2017: Hypertension
https://www.readbyqxmd.com/read/28012774/-intermittent-left-bundle-branch-block-reversal-to-normal-conduction-during-general-anesthesia
#17
Ana Maria Oliveira Correia da Silva, Emília Alexandra Gaspar Lima da Silva
BACKGROUND AND OBJECTIVES: Transient changes in intraoperative cardiac conduction are uncommon. Rare cases of the development or remission of complete left bundle branch block under general and locoregional anesthesia associated with myocardial ischemia, hypertension, tachycardia, and drugs have been reported. Complete left bundle branch block is an important clinical manifestation in some chronic hypertensive patients, which may also be a sign of coronary artery disease, aortic valve disease, or underlying cardiomyopathy...
December 21, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28011759/-end-stage-heart-failure-therapy-potential-lessons-from-congenital-heart-disease-from-pulmonary-artery-banding-and-interatrial-communication-to-parallel-circulation
#18
REVIEW
Dietmar Schranz, Hakan Akintuerk, Norbert F Voelkel
The final therapy of 'end-stage heart failure' is orthotopic heart, lung or heart-lung transplantation. However, these options are not available for many patients worldwide. Therefore, novel therapeutical strategies are needed. Based on pathophysiological insights regarding (1) the long-term impact of an obstructive pulmonary outflow tract in neonates with congenitally corrected transposition of the great arteries, (2) the importance of a restrictive versus a non-restrictive atrial septum in neonates born with a borderline left ventricle and (3) the significance of both, a patent foramen ovale and/or open ductus arteriosus for survival of newborns with persistent pulmonary hypertension, the current review introduces some therapeutical strategies that may be applicable to selected patients with heart failure...
December 23, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28009790/exercise-training-reverses-extrapulmonary-impairments-in-smoke-exposed-mice
#19
T Scott Bowen, Lars Aakerøy, Sophia Eisenkolb, Patricia Kunth, Fredrik Bakkerud, Martin Wohlwend, Anne Marie Ormbostad, Tina Fischer, Ulrik Wisloff, Gerhard Schuler, Sigurd Steinshamn, Volker Adams, Eivind Bronstad
PURPOSE: Cigarette smoking is the main risk factor for chronic obstructive pulmonary disease and emphysema. However, evidence on the extrapulmonary effects of smoke exposure that precede lung impairments remains unclear at present, as are data on non-pharmacological treatments such as exercise training. METHODS: Three groups of mice including control (n=10), smoking (n=10), and smoking with 6 weeks of high-intensity interval treadmill running (n=11) were exposed to 20 weeks of fresh air or whole-body cigarette smoke...
December 22, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28007909/mendelian-randomization-estimates-of-alanine-aminotransferase-with-cardiovascular-disease-guangzhou-biobank-cohort-study
#20
Lin Xu, Chao Qiang Jiang, Tai Hing Lam, Wei Sen Zhang, Feng Zhu, Ya Li Jin, G Neil Thomas, Kar Keung Cheng, C Mary Schooling
Observational studies of the association of alanine aminotransferase (ALT) levels with ischaemic heart disease (IHD) and cardiovascular disease (CVD) risk factors are inconsistent, probably because of confounding and reverse causality. Mendelian randomization (MR) provides less confounded results. We used MR analysis to assess the associations of ALT (U/L) with IHD, diabetes and other CVD risk factors. We used instrumental variable analysis based on two single nucleotide polymorphism (SNPs) HSD17B13/MAPK10 (rs6834314) and PNPLA3/SAMM50 (rs738409) to assess the associations of ALT (U/L) with IHD, diabetes and other CVD risk factors in the Guangzhou Biobank Cohort Study (GBCS)...
December 22, 2016: Human Molecular Genetics
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