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https://www.readbyqxmd.com/read/28922836/consensus-document-on-hypertension-and-cardiac-arrhythmias
#1
Sverre E Kjeldsen, Kristian Wachtell
No abstract text is available yet for this article.
October 1, 2017: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28922718/tanshinone-iia-protects-against-chronic-intermittent-hypoxia-induced-myocardial-injury-via-activating-the-endothelin-1-pathway
#2
Na Wang, Yue Chang, Lingling Chen, Ya-Jing Guo, Ya-Shuo Zhao, Qiu-Hong Guo, En-Sheng Ji
Tanshinone IIA (Tan IIA) may exert significant protective effects against heart oxidative stress damage in obstructive sleep apnoea (OSA) syndrome. Chronic intermittent hypoxia (CIH)-triggered left ventricular dysfunction is used in a rat model to mimic CIH in OSA patients. 48 rats were randomly divided into three groups: normal control (NC) group, CIH group and CIH+Tan IIA group with 16 rats in each group. At the end of experiment (day 21), the blood pressure, Plasma ET-1 and NO content, hemodynamic indexes, heart histology, myocardial apoptosis as well as the expression of eNOS, ET-1, ETA receptor and ETB receptor were compared among different groups...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922712/ellagic-acid-promotes-ventricular-remodeling-after-acute-myocardial-infarction-by-up-regulating-mir-140-3p
#3
Da-Zhen Wei, Cong Lin, Yin-Qing Huang, Lian-Pin Wu, Ming-Yuan Huang
In the paper, we observed the effect of ellagic acid (EA) on myocardial morphology and cardiac function and explored the mechanism of miR-140-3p-mediated EA in ventricular remodeling. The experimental animals were divided into 3 groups: control group, AMI group, AMI+EA group. Intragastric administration for 4 weeks was initiated on the first day after surgery in rats. Rodent echocardiography was used to measure heart size and cardiac function. The level of fibrosis was observed by Masson staining. The number of cell apoptosis was detected by TUNEL method...
September 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922674/heart-team-joint-position-of-the-swiss-society-of-cardiology-and-the-swiss-society-of-cardiac-surgery
#4
Giovanni B Pedrazzini, Enrico Ferrari, Michael Zellweger, Michele Genoni
No abstract text is available yet for this article.
September 18, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28922339/incidence-and-risk-factors-of-anaesthesia-related-perioperative-cardiac-arrest-a-6-year-observational-study-from-a-tertiary-care-university-hospital
#5
Andreas Hohn, Jan-Nicolas Machatschek, Jeremy Franklin, Stephan A Padosch
BACKGROUND: In recent decades, the incidences of anaesthesia-related perioperative mortality and adverse outcomes have decreased drastically. However, to date, data on perioperative cardiac arrest and risk factors of perioperative cardiac arrest from European countries are scarce. OBJECTIVES: To determine the incidences of perioperative cardiac arrest and rates of anaesthesia-related and anaesthesia-contributory cardiac arrest. Identification of pre-existing risk factors leading to perioperative cardiac arrest...
September 15, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28922269/extubation-failure-is-associated-with-increased-mortality-following-first-stage-single-ventricle-reconstruction-operation
#6
Thomas Scodellaro, Jane M McKenzie, Yves d'Udekem, Warwick Butt, Siva P Namachivayam
OBJECTIVES: To identify the prevalence, causes, risk factors, and outcomes associated with extubation failure following first stage single ventricle reconstruction surgery. DESIGN: Retrospective cohort analysis of neonates who underwent a first stage single ventricle reconstruction operation. Extubation failure was defined as endotracheal reintubation within 48 hours of first extubation attempt. SETTING: The Royal Children's Hospital, Melbourne...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28922267/the-1-year-follow-up-clinic-for-neonates-and-children-after-respiratory-extracorporeal-membrane-oxygenation-support-a-10-year-single-institution-experience
#7
Suzan Kakat, Maura O'Callaghan, Liz Smith, Raymond Hreiche, Deborah A Ridout, Jo Wray, Timothy Thiruchelvam, Katherine L Brown, Aparna U Hoskote
OBJECTIVES: To establish the effectiveness of a "1-year extracorporeal membrane oxygenation follow-up clinic" and to characterize any neurodevelopmental concerns identified. DESIGN: Single-center retrospective cohort of respiratory extracorporeal membrane oxygenation survivors over 10 years. SETTING: Nationally commissioned center for neonatal and pediatric (> 28 d of life) respiratory extracorporeal membrane oxygenation. PATIENTS: Children attending the follow-up clinic 1 year after receiving respiratory extracorporeal membrane oxygenation between 2003 and 2013...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28922234/consensus-statement-by-the-congenital-cardiac-anesthesia-society-milestones-for-the-pediatric-cardiac-anesthesia-fellowship
#8
Viviane G Nasr, Nina A Guzzetta, Wanda C Miller-Hance, Mark Twite, Gregory J Latham, Luis Zabala, Susan C Nicolson, Emad B Mossad, James A DiNardo
Pediatric cardiac anesthesiology has evolved as a subspecialty of both pediatric and cardiac anesthesiology and is devoted to caring for individuals with congenital heart disease ranging in age from neonates to adults. Training in pediatric cardiac anesthesia is a second-year fellowship with variability in both training duration and content and is not accredited by the Accreditation Council on Graduate Medical Education. Consequently, in this article and based on the Accreditation Council on Graduate Medical Education Milestones Model, an expert panel of the Congenital Cardiac Anesthesia Society, a section of the Society of Pediatric Anesthesiology, defines 18 milestones as competency-based developmental outcomes for training in the pediatric cardiac anesthesia fellowship...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28922191/acr-spr-str-practice-parameter-for-the-performance-of-cardiac-positron-emission-tomography-computed-tomography-pet-ct-imaging
#9
Rathan M Subramaniam, Warren R Janowitz, Geoffrey B Johnson, Martin A Lodge, Marguerite T Parisi, Mark R Ferguson, Jeffrey C Hellinger, Gregory W Gladish, Narainder K Gupta
This clinical practice parameter has been developed collaboratively by the American College of Radiology (ACR), the Society for Pediatric Radiology (SPR), and the Society of Thoracic Radiology (STR). This document is intended to act as a guide for physicians performing and interpreting positron emission tomography-computed tomography (PET/CT) of cardiac diseases in adults and children. The primary value of cardiac PET/CT imaging include evaluation of perfusion, function, viability, inflammation, anatomy, and risk stratification for cardiac-related events such as myocardial infarction and death...
September 15, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28922120/motion-estimation-in-echocardiography-using-sparse-representation-and-dictionary-learning
#10
Nora Ouzir, Adrian Basarab, Herve Liebgott, Brahim Harbaoui, Jean-Yves Tourneret
This paper introduces a new method for cardiac motion estimation in 2D ultrasound images. The motion estimation problem is formulated as an energy minimization, whose data fidelity term is built using the assumption that the images are corrupted by multiplicative Rayleigh noise. In addition to a classical spatial smoothness constraint, the proposed method exploits the sparse properties of the cardiac motion to regularize the solution via an appropriate dictionary learning step. The proposed method is evaluated on one dataset with available ground-truth, including four sequences of highly realistic simulations...
September 18, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28921836/clinical-assessment-of-coronary-arteries-in-kawasaki-disease-focus-on-echocardiographic-assessment
#11
Carolyn A Altman
Echocardiography is an excellent noninvasive imaging modality for evaluation and follow-up of cardiac lesions, especially coronary artery changes occurring as a result of Kawasaki disease. The information obtained has prognostic implications and can be complemented with other modes of imaging for risk stratification and optimization of both medical and interventional therapy. The aim of this article is to describe the time line of echocardiographic follow-up of patients affected with Kawasaki disease. The classification of coronary artery changes and transthoracic echocardiographic views recommended for detailed evaluation of the coronary arteries are delineated in detail in this report...
September 18, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28921674/decline-in-effort-capacity-with-age-echocardiographic-stress-analysis-in-the-elderly
#12
Anat Milman, Gad Keren, Yan Topilsky
BACKGROUND: The present study was designed to assess the underlying mechanism of decline in effort capacity seen with aging. METHODS: We analyzed 250 healthy senior patients (≥65 years) with an ejection fraction ≥60% who underwent a stress echocardiogram test. The seniors (aged 65-94) were divided into 3 equal age groups (groups 1, 2, and 3), and their echo characteristics at rest and peak exercise (measured and calculated) were compared. RESULTS: Diastolic function at rest declined significantly (E lateral, E septal, E/E', A) with age, while other rest parameters were similar...
September 17, 2017: Echocardiography
https://www.readbyqxmd.com/read/28921669/respiratory-variation-in-left-ventricular-cardiac-function-with-3d-double-golden-angle-whole-heart-cine-imaging
#13
Karen Holst, Martin Ugander, Andreas Sigfridsson
PURPOSE: To develop a 3-dimensional free-breathing cardiovascular MR technique for quantifying the variation in left ventricular end-diastolic volume (LVEDV) during the respiratory cycle. METHODS: A 3-dimensional radial trajectory with double golden-angle ordering was used for free-running data acquisition during free breathing in healthy volunteers (N = 8). A respiratory self-gating signal was extracted from the center of k-space, and data were retrospectively binned into eight respiratory phases in end-diastole...
September 17, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28921631/validation-of-highly-accelerated-real-time-cardiac-cine-mri-with-radial-k-space-sampling-and-compressed-sensing-in-patients-at-1-5t-and-3t
#14
Hassan Haji-Valizadeh, Amir A Rahsepar, Jeremy D Collins, Elwin Bassett, Tamara Isakova, Tobias Block, Ganesh Adluru, Edward V R DiBella, Daniel C Lee, James C Carr, Daniel Kim
PURPOSE: To validate an optimal 12-fold accelerated real-time cine MRI pulse sequence with radial k-space sampling and compressed sensing (CS) in patients at 1.5T and 3T. METHODS: We used two strategies to reduce image artifacts arising from gradient delays and eddy currents in radial k-space sampling with balanced steady-state free precession readout. We validated this pulse sequence against a standard breath-hold cine sequence in two patient cohorts: a myocardial infarction (n = 16) group at 1...
September 17, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28921168/chromosomal-abnormalities-affect-the-surgical-outcome-in-infants-with-hypoplastic-left-heart-syndrome-a-large-cohort-analysis
#15
Dala Zakaria, Xinyu Tang, Rupal Bhakta, Nahed O ElHassan, Parthak Prodhan
Patients with hypoplastic left heart syndrome (HLHS) can have associated genetic abnormalities. This study evaluated the incidence of genetic abnormalities among infants with HLHS and the short-term outcomes of this population during the first hospitalization. This is a retrospective analysis of the multi-center Pediatric Heath Information System database of infants with HLHS who underwent Stage I Norwood, Hybrid, or heart transplant during their first hospitalization from 2004 through 2013. We compared clinical data between infants with and without genetic abnormality, among the three most common chromosomal abnormalities, and between survivors and non-survivors...
September 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28920862/enhanced-endothelium-epithelial-sodium-channel-signaling-prompts-left-ventricular-diastolic-dysfunction-in-obese-female-mice
#16
Guanghong Jia, Javad Habibi, Annayya R Aroor, Michael A Hill, Vincent G DeMarco, Li E Lee, Lixin Ma, Brady J Barron, Adam Whaley-Connell, James R Sowers
OBJECTIVE: Enhanced activation of cell specific mineralocorticoid receptors (MRs) in obesity plays a key role in the development of cardiovascular disease including cardiac diastolic dysfunction as a critical prognosticator. Our previous investigations demonstrated that selective endothelium MR activation promotes a maladaptive inflammatory response and fibrosis in cardiovascular tissue in female mice fed a western diet (WD), and this was associated with expression and activation of the epithelial sodium channel on the surface of endothelial cells (EnNaC)...
September 8, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28920815/preliminary-characterization-of-dilated-cardiomyopathy-in-a-captive-population-of-banded-mongooses-mungos-mungo
#17
Javier López, Joanna Dukes-McEwan, Gabby Drake, Julian Chantrey
Between 2006 and 2015, a high incidence of dilated cardiomyopathy (DCM) was diagnosed in a captive population of banded mongooses (Mungos mungo) at Chester Zoo, United Kingdom. The aim of this study was to characterize DCM in these mongooses in order to raise awareness of this condition and help inform management and clinical decisions. Prospective clinical assessments, including echocardiography, radiography, and cardiac biomarkers, were carried out in four mongooses remaining in the collection. Radiographs from 15 mature mongooses were reviewed and cardiac size and metrics assessed...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28920705/human-endothelial-progenitor-cell-derived-exosomes-increase-proliferation-and-angiogenesis-in-cardiac-fibroblasts-by-promoting-the-mesenchymal-endothelial-transition-and-reducing-high-mobility-group-box-1-protein-b1-expression
#18
Xiao Ke, Dahao Yang, Jiawen Liang, Xing Wang, Shaoyun Wu, Xiaoqing Wang, Chengheng Hu
Myocardial fibrosis is a characteristic feature of cardiomyopathies. However, no effective strategies to attenuate cardiac fibrosis are currently available. Late-stage endothelial progenitor cells (EPCs) are precursors of endothelial cells (ECs) that repair the heart through a paracrine mechanism. In the present study, we tested whether EPC-derived exosomes regulate the differentiation of fibroblasts into ECs. We isolated late-stage EPCs from human peripheral blood (PB) and used immunofluorescence and flow cytometry to confirm their identity...
September 18, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28920704/endothelial-to-mesenchymal-transition-a-potential-mechanism-for-atherosclerosis-plaque-progression-and-destabilization
#19
Afang Li, Wenxi Peng, Xiaodan Xia, Rongqing Li, Yu Wang, Dangheng Wei
Endothelial-to-mesenchymal transition (EndMT) is a cellular reprogramming mechanism by which endothelial cells acquire a mesenchymal phenotype. EndMT is associated with fibroproliferative diseases, such as cancer progression and metastasis and cardiac and kidney fibrosis, and this condition has been extensively investigated over the past decade. Recently, studies showed that EndMT contributes to the initiation and progression of atherosclerotic lesion and plaque destabilization. Unstable atherosclerotic plaque rupture and subsequent thrombosis are the main pathological causes of acute cardiovascular events...
September 18, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28920634/outcomes-analysis-of-stent-graft-repair-for-thoracic-aorta-emergencies
#20
Mourad Boufi, Florent Vernet, Bianca Dona, Olivier Hartung, Anderson D Loundou, Martine Haccoun, Marc Leone, Yves S Alimi
BACKGROUND: This study aimed to identify patient, pathology and procedure-related factors affecting perioperative and mid-term mortality of thoracic aorta emergencies. METHODS: Between 2007 and 2014, patients treated emergently with thoracic stent-graft were retrospectively reviewed. Variables analyzed were: age, renal insufficiency, shock, cardiac arrest, transfer status, pathology, debranching procedures, operation duration, vascular access and European System for Cardiac Operative Risk Evaluation (EuroSCORE)...
December 2017: Journal of Cardiovascular Surgery
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