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https://www.readbyqxmd.com/read/29917293/atrial-tachycardia-with-a-short-pq-interval-%C3%A2-focal-atrial-tachycardia-originating-from-the-vicinity-of-the-block-line%C3%A2
#1
Shinsuke Miyazaki, Kaoru Hisazaki, Kenichi Kaseno, Hiroshi Tada
No abstract text is available yet for this article.
June 19, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29917150/primary-stroke-prevention-a-paradigm-shift-focusing-on-silent-paroxysmal-atrial-fibrillation
#2
Ami Schattner
We review the prevalence, predictability, prognosis, and preventability of atrial fibrillation and associated cardiogenic brain embolism, focusing on 'silent' subclinical atrial fibrillation (SCAF) which is very common in the elderly, and associated with significantly increased risk of stroke and cardiovascular mortality. The current paradigm treats atrial fibrillation once discovered by its symptoms, complications (stroke) or by chance, and screening recommendations are limited to opportunistic pulse palpation...
June 18, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29917042/generation-and-primary-characterization-of-iam-1-a-versatile-new-line-of-conditionally-immortalized-atrial-myocytes-with-preserved-cardiomyogenic-differentiation-capacity
#3
Jia Liu, Linda Volkers, Wanchana Jangsangthong, Cindy I Bart, Marc C Engels, Guangqian Zhou, Martin J Schalij, Dirk L Ypey, Daniël A Pijnappels, Antoine A F de Vries
Aims: The generation of homogeneous cardiomyocyte populations from fresh tissue or stem cells is laborious and costly. A potential solution to this problem would be to establish lines of immortalized cardiomyocytes. However, as proliferation and (terminal) differentiation of cardiomyocytes are mutually exclusive processes, their permanent immortalization causes loss of electrical and mechanical functions. We therefore aimed at developing conditionally immortalized atrial myocyte (iAM) lines allowing toggling between proliferative and contractile phenotypes by a single-component change in culture medium composition...
June 18, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29916993/effects-of-dual-angiotensin-type-1-receptor-neprilysin-inhibition-vs-angiotensin-type-1-receptor-inhibition-on-target-organ-injury-in-the-stroke-prone-spontaneously-hypertensive-rat
#4
Speranza Rubattu, Maria Cotugno, Maurizio Forte, Rosita Stanzione, Franca Bianchi, Michele Madonna, Simona Marchitti, Massimo Volpe
OBJECTIVES: The combination of AT1 blocker/neutroendopeptidase neprilysin inhibition (ARNi) represents an interesting approach to reduce cardiovascular risk in hypertension. We assessed the efficacy of ARNi, compared with angiotensin II type 1 receptor blockade alone, on blood pressure (BP) and on protection from target organ damage development in the stroke-prone spontaneously hypertensive rat (SHRSP). METHODS: In high-salt fed SHRSP, we assessed plasma and tissue natriuretic peptides, urinary volume, BP and body weight over a short-term treatment (6 weeks) with either ARNi (sacubitril/valsartan 68 mg/kg per day) or valsartan (30 mg/kg per day), protection from stroke and renal damage (as documented by proteinuria) over 4 months of treatment with either sacubitril/valsartan or valsartan; the ability of either treatment to reduce progression of cerebrovascular and renal damage after 2 weeks of high-salt diet...
June 18, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29916837/clinical-and-genetic-factors-influencing-acenocoumarol-dosing-a-cross-sectional-study
#5
Carolina Vázquez, María Orlova, Paula Scibona, Bruno L Ferreyro, Victoria Otero, Esteban G Jáuregui, Jorge Arbelbide, Waldo H Belloso
: Coumadin oral anticoagulants are widely used in multiple clinical scenarios. Their narrow therapeutic range and a dosing strategy based on 'a posteriori' algorithms, pose them as an interesting group for prediction modelling research. Extensive literature explaining the association between clinical and genetic variables with the dose of warfarin have been published. Limited information exists regarding these factors and acenocoumarol dosing. The aim of the study is to explain through clinical/genetic variables, the weekly dose of acenocoumarol necessary for achieving stable anticoagulation status...
June 18, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29916559/features-of-atrial-fibrillation-in-wild-type-transthyretin-cardiac-amyloidosis-a-systematic-review-and-clinical-experience
#6
Yuliya Y Mints, Gheorghe Doros, John L Berk, Lawreen H Connors, Frederick L Ruberg
AIMS: Wild-type transthyretin (ATTRwt) cardiac amyloidosis has emerged as an important cause of heart failure in the elderly. Atrial fibrillation (AF) commonly affects older adults with heart failure and is associated with reduced survival, but its role in ATTRwt is unclear. We sought to explore the clinical impact of AF in ATTRwt. METHODS AND RESULTS: Patients with biopsy-proven ATTRwt cardiac amyloidosis (n = 146) were retrospectively identified, and clinical, echocardiographic, and biochemical data were collected...
June 19, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29916558/increased-right-atrial-volume-measured-with-cardiac-magnetic-resonance-is-associated-with-worse-clinical-outcome-in-patients-with-pre-capillary-pulmonary-hypertension
#7
Anna Bredfelt, Göran Rådegran, Roger Hesselstrand, Håkan Arheden, Ellen Ostenfeld
AIMS: Pre-capillary pulmonary hypertension (PHpre-cap ) has a poor prognosis, especially when caused by pulmonary arterial hypertension (PAH) associated with systemic sclerosis (SSc-PAH). Whether cardiac magnetic resonance (CMR)-based quantification of atrial volumes in PHpre-cap is beneficial in risk assessment is unknown. The aims were to investigate if (i) atrial volumes using CMR are associated with death or lung transplantation in PHpre-cap , (ii) atrial volumes differ among four unmatched major PHpre-cap subgroups, and (iii) atrial volumes differ between SSc-PAH and idiopathic/familial PAH (IPAH/FPAH) when matched for pulmonary vascular resistance (PVR)...
June 19, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29916427/role-of-closure-of-patent-foramen-ovale-in-cryptogenic-stroke-current-status
#8
REVIEW
B Sunil Abhishek, Anupam Bhambhani
Ischaemic stroke is among the leading causes of disability and death. Despite extensive vascular, cardiac and serological evaluations, the cause remains unknown in 20%-40% of patients. These are classified as cryptogenic stroke. Paradoxical embolism is one of the many causes of cryptogenic stroke. The term paradoxical embolism is used to describe an embolus of venous origin entering the systemic circulation through a patent foramen ovale (PFO), atrial septal defect (ASD), ventricular septal defect or extracardiac communication such as pulmonary arteriovenous malformation...
September 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/29915905/antithromboembolic-strategies-for-patients-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention
#9
REVIEW
Ayesha Ather, Benjamin Laliberte, Brent N Reed, Ashley Schenk, Kristin Watson, Sandeep Devabhakthuni, Vincent Y See
We set out to synthesize available data on antithrombotic strategies for patients with atrial fibrillation (AF) undergoing percutaneous coronary intervention (PCI), with a focus on triple antithrombotic therapy (triple therapy [TT]; dual antiplatelet therapy plus an anticoagulant) versus dual therapy (DT; one antiplatelet agent and an anticoagulant). We searched OVID MEDLINE and PubMed from January 2005 to September 2017 using the search terms oral anticoagulant, triple therapy, dual therapy, acute coronary syndrome, percutaneous coronary intervention, and atrial fibrillation (limited to randomized controlled trials, observational studies, English language, minimum 6-12 months of follow-up, minimum 100 human patients)...
June 19, 2018: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/29915717/concealed-conduction-in-atrial-tachyarrhythmia-illustrated-in-a-heartbeat
#10
Hanney Gonna, Alex Grimster, David Roberts, Mark M Gallagher
No abstract text is available yet for this article.
May 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29915636/-enterococcus-faecalis-infective-endocarditis-and-colorectal-carcinoma-case-of-new-association-gaining-ground
#11
Zubair Khan, Nauman Siddiqui, Muhammad Wasif Saif
Mostly Streptococcus bovis ( S. bovis ) bacteremia and endocarditis (60%) has been found to be associated with underlying colorectal cancer (CRC). Enterococcus faecalis ( E. faecalis ) bacteremia and endocarditis has no identifiable source in most of the cases. E. faecalis is part of normal gut flora that can translocate through the intestine and cause the systemic infection. With any intestinal lesion or tumor, the barrier is breached and the gut flora like E. faecalis can translocate and cause infection. A 55-years-old male known to have non-ischemic cardiomyopathy with implantation of automated implantable cardioverter defibrillator (AICD) and atrial fibrillation presented with weight loss, fever and back pain...
June 2018: Gastroenterology Research
https://www.readbyqxmd.com/read/29915616/clinical-characteristics-and-type-of-antithrombotic-treatment-in-a-spanish-cohort-of-elderly-patients-with-atrial-fibrillation-according-to-dependency-frailty-and-cognitive-impairment
#12
Jose María Mostaza, Manuel Jesús Romero Jiménez, Fernando José Ruiz Laiglesia, José Antonio Díaz Peromingo, Manuel Beltrán Robles, Ernesto Guevara Sierra, Ana Santander Bilbao, Carmen Suárez
Background: Available data regarding clinical profile and management of elderly patients with atrial fibrillation (AF) according to dependency, fragility and cognitive impairment are scarce. The objective of the study was to analyze the biodemographic data, clinical profile and antithrombotic treatment according to dependency, fragility and cognitive impairment in elderly AF patients. Methods: Cross-sectional and multi-center study performed in consecutive AF patients ≥ 75 years treated with oral anticoagulants ≥ 3 months attended in Internal Medicine Departments in Spain...
April 2018: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29915390/gallic-acid-improves-cardiac-dysfunction-and-fibrosis-in-pressure-overload-induced-heart-failure
#13
Li Jin, Simei Sun, Yuhee Ryu, Zhe Hao Piao, Bin Liu, Sin Young Choi, Gwi Ran Kim, Hyung-Seok Kim, Hae Jin Kee, Myung Ho Jeong
Gallic acid is a trihydroxybenzoic acid found in tea leaves and some plants. Here, we report the effect of gallic acid on cardiac dysfunction and fibrosis in a mouse model of pressure overload-induced heart failure and in primary rat cardiac fibroblasts, and compare the effects of gallic acid with those of drugs used in clinics. Gallic acid reduces cardiac hypertrophy, dysfunction, and fibrosis induced by transverse aortic constriction (TAC) stimuli in vivo and transforming growth factor β1 (TGF-β1) in vitro...
June 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29915175/value-of-multilocus-genetic-risk-score-for-atrial-fibrillation-in-end-stage-kidney-disease-patients-in-a-polish-population
#14
Marek Saracyn, Bartłomiej Kisiel, Artur Bachta, Maria Franaszczyk, Dorota Brodowska-Kania, Wawrzyniec Żmudzki, Konrad Szymański, Antoni Sokalski, Wiesław Klatko, Marek Stopiński, Janusz Grochowski, Marek Papliński, Zdzisław Goździk, Longin Niemczyk, Barbara Bober, Maciej Kołodziej, Witold Tłustochowicz, Grzegorz Kamiński, Rafał Płoski, Stanisław Niemczyk
Genetic factors play a key role in the pathogenesis of atrial fibrillation (AF). We would like to establish an association between previously described single-nucleotide polymorphisms (SNPs) and AF in haemodialysed patients with end-stage kidney disease (ESKD-HD) as well as to assess the cumulative effect of all genotyped SNPs on AF risk. Sixteen SNPs were genotyped in 113 patients with AF-ESKD-HD and in 157 controls: without AF (NAF) and with ESKD-HD. The distribution of the risk alleles was compared in both groups and between different sub-phenotypes...
June 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29915143/a-propensity-matched-analysis-of-robotic-minimally-invasive-and-conventional-mitral-valve-surgery
#15
Robert B Hawkins, J Hunter Mehaffey, Matthew M Mullen, Wiley L Nifong, W Randolph Chitwood, Marc R Katz, Mohammed A Quader, Andy C Kiser, Alan M Speir, Gorav Ailawadi
OBJECTIVES: Institutional studies suggest robotic mitral surgery may be associated with superior outcomes. The objective of this study was to compare the outcomes of robotic, minimally invasive (mini), and conventional mitral surgery. METHODS: A total of 2300 patients undergoing non-emergent isolated mitral valve operations from 2011 to 2016 were extracted from a regional Society of Thoracic Surgeons database. Patients were stratified by approach: robotic (n=372), mini (n=576) and conventional sternotomy (n=1352)...
June 18, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29914646/relation-of-body-mass-index-to-symptom-burden-in-patients-withatrial-fibrillation
#16
Brandon Chalazan, Deanna Dickerman, Arvind Sridhar, Maureen Farrell, Katherine Gayle, David C Samuels, Benjamin Shoemaker, Dawood Darbar
Atrial fibrillation (AF) is the most common sustained arrhythmia and is associated with significant morbidity and increased mortality. As body mass index (BMI) is increasingly recognized as an important risk factor for the development of AF, we tested the hypothesis that BMI modulates symptomatic AF burden. Cross-sectional data collected from 1,382 patients in the Vanderbilt AF Registry were analyzed. AF severity was assessed using the Toronto atrial fibrillation severity scale (AFSS). BMI was categorized according to World Health Organization guidelines and patients were grouped according to their present AF treatment regimen: no treatment (n = 185), rate control therapy with atrioventricular nodal blocking agents (n = 351), rhythm control with antiarrhythmic drugs (n = 636), and previous AF ablation (n = 210)...
May 1, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29914563/case-reports-of-atrial-and-pericardial-rupture-from-blunt-cardiac-trauma
#17
D Baldwin, K L Chow, H Mashbari, E Omi, J K Lee
BACKGROUND: Blunt cardiac trauma is diagnosed in less than 10% of trauma patients and covers the range of severity from clinically insignificant myocardial contusions to lethal multi-chamber cardiac rupture. The most common mechanisms of injury include: motor vehicle collisions (MVC), pedestrians struck by motor vehicles and falls from significant heights. A severe complication from blunt cardiac trauma is cardiac chamber rupture with pericardial tear. It is an exceedingly rare diagnosis...
June 19, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29914380/vasodilator-stimulated-phosphoprotein-guided-clopidogrel-maintenance-therapy-reduces-cardiovascular-events-in-atrial-fibrillation-patients-requiring-anticoagulation-therapy-and-scheduled-for-percutaneous-coronary-intervention-a-prospective-cohort-study
#18
Chaoyue Hu, Xumin Zhang, Yonghua Liu, Yang Gao, Xiaohong Zhao, Hua Zhou, Yu Luo, Yaling Liu, Xiaodong Wang
BACKGROUND: In a previous study, we found that titrating clopidogrel maintenance doses (MDs) according to vasodilator-stimulated phosphoprotein (VASP) monitoring minimised the rate of major adverse cardiovascular and cerebral events (MACCE) after percutaneous coronary intervention (PCI) without increasing bleeding in patients with high on-treatment platelet reaction to clopidogrel. This study aimed to investigate whether VASP-guided clopidogrel MD could reduce thromboembolism and bleeding in atrial fibrillation (AF) patients requiring anticoagulation and scheduled for PCI...
June 18, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29914305/early-detection-strain-strain-rate-and-time-to-strain-strain-rate-abnormalities-for-left-atrial-mechanical-function-in-hypertensive-patients
#19
Ahmet Karakurt, Cennet Yildiz, Abdülmelik Yildiz, Yavuz Karabağ, Metin Çağdaş, İbrahim Rencüzoğulları, İnanç Artaç, Doğan İliş
OBJECTIVE: To evaluate left atrial (LA) deformation parameters strain (S)/strain rate (SR) and time to peak S/SR obtained by two-dimensional speckle tracking echocardiography (2D-STE) in patients with hypertension for three LA mechanical phases and to compare them with the same indices in the control subjects. METHODS: Fifty-five patients with hypertension (HT) and 29 healthy controls were included in the study. All patients had normal LA poster-anterior diameter, LA and left ventricular ejection fractions (LVEF >50%) in two-dimensional echocardiography (2-DE)...
June 18, 2018: Acta Cardiologica
https://www.readbyqxmd.com/read/29913298/antihypertensive-effect-of-the-methanolic-extract-from-eruca-sativa-mill-brassicaceae-in-rats-muscarinic-receptor-linked-vasorelaxant-and-cardiotonic-effects
#20
Umme Salma, Taous Khan, Abdul Jabbar Shah
ETHNOPHARMACOLOGICAL RELEVANCE: Eruca sativa Mill., (Brassicaceae) is a popular remedy for the treatment of hypertension in Pakistan. However, direct effect of the extract and its fractions on blood pressure and vascular tone are unknown. AIM OF THE STUDY: This investigation was aimed to explore the pharmacological base for the traditional use of E. sativa in hypertension. MATERIALS AND METHODS: In-vivo blood pressure study was carried out using normotensive and high salt-induced hypertensive rats under anaesthesia...
June 15, 2018: Journal of Ethnopharmacology
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