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https://www.readbyqxmd.com/read/28722611/phase-2a-open-label-4-escalating-dose-randomized-multicenter-study-evaluating-the-safety-and-activity-of-ferroquine-ssr97193-plus-artesunate-versus-amodiaquine-plus-artesunate-in-african-adult-men-with-uncomplicated-plasmodium-falciparum-malaria
#1
Christian Supan, Ghyslain Mombo-Ngoma, Maryvonne Kombila, Carmen L Ospina Salazar, Jana Held, Bertrand Lell, Cathy Cantalloube, Elhadj Djeriou, Bernhards Ogutu, John Waitumbi, Nekoye Otsula, Duncan Apollo, Mark E Polhemus, Peter G Kremsner, Douglas S Walsh
Artemisinin-based combination therapies are recommended as first-line agents for treating uncomplicated Plasmodium falciparum malaria. Ferroquine, a 4-aminoquinolone, is a novel long-acting combination partner for fast-acting drugs like artesunate (AS). We did a small phase 2a, multicenter, open-label, safety-focused dose-ranging randomized study of ferroquine at three African hospitals: two Gabonese and one Kenyan. We recruited adult men with symptomatic uncomplicated P. falciparum monoinfection. Four escalating doses of ferroquine (100, 200, 400, and 600 mg) were assessed in sequence, versus an amodiaquine comparator...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719614/beat-id-towards-a-computationally-low-cost-single-heartbeat-biometric-identity-check-system-based-on-electrocardiogram-wave-morphology
#2
Joana S Paiva, Duarte Dias, João P S Cunha
In recent years, safer and more reliable biometric methods have been developed. Apart from the need for enhanced security, the media and entertainment sectors have also been applying biometrics in the emerging market of user-adaptable objects/systems to make these systems more user-friendly. However, the complexity of some state-of-the-art biometric systems (e.g., iris recognition) or their high false rejection rate (e.g., fingerprint recognition) is neither compatible with the simple hardware architecture required by reduced-size devices nor the new trend of implementing smart objects within the dynamic market of the Internet of Things (IoT)...
2017: PloS One
https://www.readbyqxmd.com/read/28705229/brugada-syndrome-in-a-patient-with-amyotrophic-lateral-sclerosis-a-case-report
#3
Anusha Battineni, Rohit Gummi, Naresh Mullaguri, Raghav Govindarajan
BACKGROUND: Amyotrophic lateral sclerosis is a fatal neuromuscular disorder characterized by progressive death of the upper and lower motor neurons in the central nervous system. Patients with this disease die mostly as a result of respiratory failure; however, owing to prolonged survival through assisted ventilation, cardiovascular causes are increasingly responsible for mortality. We report what is to the best of our knowledge the first case of type 2 Brugada syndrome causing ventricular tachyarrhythmia and cardiac arrest in a patient with upper limb onset amyotrophic lateral sclerosis...
July 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28690647/the-evolution-of-electrocardiographic-changes-in-patients-with-duchenne-muscular-dystrophies
#4
Woo Hyun Yoo, Min-Jung Cho, Peter Chun, Kwang Hun Kim, Je Sang Lee, Yong Beom Shin
PURPOSE: Myocardial dysfunction and dysrhythmias are inevitable consequences of Duchenne muscular dystrophy. We aimed to evaluate specific trends of electrocardiographic changes that reflect the progress of cardiomyopathy in patients with Duchenne muscular dystrophy. METHODS: Fifty electrocardiograms (ECGs) of 30 patients (ages 1 to 27 years) who had not been prescribed medications for heart failure treatment at the time of examination were retrospectively analyzed and compared with 116 ECGs of age-matched healthy 116 controls...
June 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28683363/association-between-markers-of-arterial-stiffness-and-atrial-fibrillation-in-the-circulatory-risk-in-communities-study-circs
#5
Renzhe Cui, Kazumasa Yamagishi, Isao Muraki, Mina Hayama-Terada, Mitsumasa Umesawa, Hironori Imano, Yuanying Li, Ehab S Eshak, Tetsuya Ohira, Masahiko Kiyama, Takeo Okada, Akihiko Kitamura, Takeshi Tanigawa, Hiroyasu Iso
BACKGROUND AND AIMS: Limited evidence is available on the association between markers of arterial stiffness and the prevalence of atrial fibrillation among Asian populations. Therefore, we examined those associations in the Japanese population. METHODS: We conducted a cross-sectional population-based study of 4264 men and women aged 40-79 years. The augmentation index (AI), a marker of arterial stiffness, was calculated as the ratio of central pulse pressure/brachial pulse pressure, where the AI and central aortic pressure were measured by an automated tonometer: the HEM-9000AI device (Omron Healthcare co...
June 22, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28611878/physician-variability-in-management-of-emergency-department-patients-with-chest-pain
#6
Peter B Smulowitz, Orit Barrett, Matthew M Hall, Shamai A Grossman, Edward A Ullman, Victor Novack
INTRODUCTION: Chest pain is a common emergency department (ED) presentation accounting for 8-10 million visits per year in the United States. Physician-level factors such as risk tolerance are predictive of admission rates. The recent advent of accelerated diagnostic pathways and ED observation units may have an impact in reducing variation in admission rates on the individual physician level. METHODS: We conducted a single-institution retrospective observational study of ED patients with a diagnosis of chest pain as determined by diagnostic code from our hospital administrative database...
June 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28599797/variability-in-interpretation-of-the-electrocardiogram-in-athletes-another-limitation-in-pre-competitive-screening
#7
Hélder Dores, José Ferreira Santos, Paulo Dinis, Francisco Moscoso Costa, Lígia Mendes, José Monge, António Freitas, Pedro de Araújo Gonçalves, Nuno Cardim, Miguel Mendes
INTRODUCTION: Assessment of the electrocardiogram (ECG) in athletes remains controversial, with lack of standardization and difficulty in applying specific criteria in its interpretation. The purpose of this study was to assess variability in the interpretation of the ECG in athletes. METHODS: Twenty ECGs of competitive athletes were assessed by cardiologists and cardiology residents, 11 of them normal or with isolated physiological changes and nine pathological...
June 6, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28598574/socioeconomic-status-and-the-development-of-atrial-fibrillation-in-hispanics-african-americans-and-non-hispanic-whites
#8
Eric Shulman, Faraj Kargoli, Philip Aagaard, Ethan Hoch, Luigi Di Biase, John Fisher, Jay Gross, Soo Kim, Kevin J Ferrick, Andrew Krumerman
BACKGROUND: Atrial fibrillation (AF) is the most common arrhythmia and is associated with significant morbidity and mortality. Despite having a higher burden of traditional AF risk factors, African American and Hispanic minorities have a lower incidence of AF when compared to non-Hispanic whites, referred to as the "racial paradox." HYPOTHESIS: Lower SES among Hispanics and African Americans may help to explain the lower incidence rates of AF compared to non-Hispanic whites...
June 9, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28561943/association-between-insomnia-and-atrial-fibrillation-in-a-chinese-population-a-cross-sectional-study
#9
Xu Han, Yiheng Yang, Yue Chen, Lianjun Gao, Xiaomeng Yin, Huihua Li, Jing Qiu, Youxin Wang, Yong Zhou, Yunlong Xia
BACKGROUND: Insomnia is the most prevalent sleep disorder; however, little research has explored the link between insomnia and atrial fibrillation (AF). HYPOTHESIS: Insomnia is associated with increased risk of AF in a Chinese population. METHODS: A total of 8371 Chinese participants (4314 males; mean age, 42.4 ± 13.1 years) were enrolled in this cross-sectional study to investigate the association between insomnia and AF. AF was assessed in a standard supine resting position with a 10-s 12-lead electrocardiograph (ECG) or by self-reported history...
May 31, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28534047/polysomnographic-heart-rate-variability-indices-and-atrial-ectopy-associated-with-incident-atrial-fibrillation-risk-in-older-community-dwelling-men
#10
Dileep Raman, Farhad Kaffashi, Li-Yung Lui, William H Sauer, Susan Redline, Peter Stone, Peggy M Cawthon, Katie L Stone, Kristine E Ensrud, Sonia Ancoli-Israel, Kenneth Loparo, Reena Mehra
BACKGROUND: Autonomic dysfunction contributes to atrial fibrillation (AF). OBJECTIVE: We hypothesized that polysomnogram (PSG)-based heart rate variability (HRV) autonomic function biomarkers are associated with incident AF and these associations are modified by measures of sleep disordered breathing (SDB). METHODS: 2350 participants of a multi-center prospective study (Outcomes of Sleep Disorders in Older Men Study) without baseline AF underwent sleep studies with incident adjudicated AF follow up (8...
May 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/28507568/effect-of-ramipril-hydrochlorothiazide-and-ramipril-canrenone-combination-on-atrial-fibrillation-recurrence-in-hypertensive-type-2-diabetic-patients-with-and-without-cardiac-autonomic-neuropathy
#11
Daniele Bosone, Alfredo Costa, Natascia Ghiotto, Matteo Cotta Ramusino, Annalisa Zoppi, Angela D'Angelo, Roberto Fogari
INTRODUCTION: The aim of this study was to compare the effect of ramipril/canrenone versus ramipril/hydrochlorothiazide (HCTZ) combination on atrial fibrillation (AF) recurrence in type 2 diabetic hypertensives with and without cardiac autonomic neuropathy (CAN). MATERIAL AND METHODS: A total of 289 hypertensive type 2 diabetic patients, 95 with CAN, in sinus rhythm but with at least two episodes of AF in the previous 6 months were randomized to ramipril 5 mg plus canrenone 50 mg (titrated to 10/100 mg) or to ramipril 5 mg plus HCTZ 12...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28497765/-acute-myocardial-infarction-among-icelanders-forty-years-old-and-younger-2005-2009-comparison-with-a-study-carried-out-1980-1984
#12
COMPARATIVE STUDY
Bjorn Jakob Magnusson, Uggi Agnarsson, Thorarinn Guðnason, Gudmundur Þorgeirsson
INTRODUCTION: While acute myocardial infarction  (AMI) mostly is a disease of the elderly it also affects younger individuals, often with serious consequenses. In 1980-1984 a study was carried out on the incidence, risk factors, infarct location and distribution of atherosclerosis among Icelanders forty years and younger with AMI. Here we present the results of a similar study carried out for the five year period 2005-2009. MATERIALS AND METHODS: Medical and autopsy records of all individuals, forty years and younger, diagnosed with AMI (I21 in ICD-10) at Landspitali, National University Hospital 2005-2009, or suffering sudden cardiac death in Iceland during the same period were reviewed...
January 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28486916/are-markers-of-cardiac-dysfunction-useful-in-the-assessment-of-cardiovascular-risk-in-dialysis-patients
#13
Beata Franczyk, Anna Gluba-Brzózka, Piotr Bartnicki, Maciej Banach, Jacek Rysz
Cardiovascular morbidity and mortality of dialysis patients is a major problem in this group. The purpose of this study was also to evaluate whether any of studied markers are better than troponin in early detection of the occurrence of ventricular arrhythmias and prolongation of QT interval. This study included 45 patients undergoing haemodialysis. ECG Holter and echocardiographic examination were performed before and after dialysis. The concentration of markers: copeptin, GDF-15, HFABP and troponin were measured with the use of ELISA tests...
May 8, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28456833/relationship-between-fragmented-qrs-complexes-and-cardiac-status-in-duchenne-muscular-dystrophy-multimodal-validation-using-echocardiography-magnetic-resonance-imaging-and-holter-monitoring
#14
Min-Jung Cho, Ji-Won Lee, JeSang Lee, Yong Bum Shin, Hyoung Doo Lee
The presence of fragmented QRS is a known marker of heterogeneous ventricular activation around the myocardial scar area. We validated whether fragmented QRS shows any association with ventricular dysfunction, fibrosis, or ventricular arrhythmias in patients with Duchenne muscular dystrophy (DMD). Thirty-seven patients with DMD were evaluated using electrocardiography (ECG), echocardiography, cardiac magnetic resonance, and 24-h Holter monitoring. Associations between fragmented QRS and ventricular dysfunction, fibrosis, or ventricular arrhythmia were investigated...
April 29, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28453471/a-randomized-double-blind-placebo-controlled-phase-ii-study-of-oral-elnd005-scyllo-inositol-in-young-adults-with-down-syndrome-without-dementia
#15
Michael S Rafii, Brian G Skotko, Mary Ellen McDonough, Margaret Pulsifer, Casey Evans, Eric Doran, Gabriela Muranevici, Patrick Kesslak, Susan Abushakra, Ira T Lott
BACKGROUND: ELND005 (scyllo-Inositol; cyclohexane-1,2,3,4,5,6-hexol) has been evaluated as a potential disease-modifying treatment for Alzheimer's disease (AD). Individuals with Down syndrome (DS) have an increased risk for developing AD dementia. OBJECTIVE: To evaluate the safety and tolerability of ELND005 and to determine its pharmacokinetics (PK) and relationship between PK parameters, safety outcome measures, and exploratory efficacy outcome measures in young adults with DS without dementia...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28398490/the-prognostic-benefit-of-cardiac-resynchronization-therapy-is-greater-in-concordant-vs-discordant-left-bundle-branch-block-in-the-multicenter-automatic-defibrillator-implantation-trial-cardiac-resynchronization-therapy-madit-crt
#16
Luigi Padeletti, Alberto Aimo, Bella Vishenvsky, Arielle Schwartz, Scott McNitt, Paul J Wang, Arthur J Moss, Michele Emdin, Wojciech Zareba
Aims: Discordant and concordant left bundle branch block (dLBBB/cLBBB) are characterized by negative or positive T waves, respectively, in lateral leads. We assessed if the two morphologies are associated with different clinical status and prognosis in patients with heart failure (HF) and current indication to Cardiac Resynchronization Therapy (CRT)/CRT-Defibrillator (CRT-D). Methods and results: Baseline electrocardiograms of 1270 patients with LBBB in the Multicenter Automatic Defibrillator Implantation Trial-Cardiac Resynchronization Therapy cohort were analysed to identify dLBBB and cLBBB...
April 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28394409/evaluation-of-qtc-in-rett-syndrome-correlation-with-age-severity-and-genotype
#17
Jane Crosson, Siddharth Srivastava, Genila M Bibat, Siddharth Gupta, Aditi Kantipuly, Constance Smith-Hicks, Scott M Myers, Abanti Sanyal, Gayane Yenokyan, Joel Brenner, Sakkubai R Naidu
Rett syndrome (RTT) is caused by MECP2 mutations, resulting in various neurological symptoms. Prolonged corrected QT interval (QTc) is also reported and is a speculated cause of sudden death in RTT. The purpose of this study was to correlate QTc in RTT patients with age, clinical severity, and genotype. 100 RTT patients (98 females, 2 males) with MECP2 mutations underwent baseline neurological evaluation (KKI-RTT Severity Scale) and QTc measurement (standard 12 lead electrocardiogram) as part of our prospective natural history study...
June 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28393707/relationship-of-high-sensitivity-c-reactive-protein-concentrations-and-systolic-heart-failure
#18
Sheng Kang, Lie-Ying Fan, Ming Chen, Jue Li, Zhong-Min Liu
Objective Excessive activated proinflammatory cytokines may promote extracellular matrix alterations which induce adverse left ventricular remodeling in systolic heart failure (SHF). We sought to identify whether high-sensitivity C-reactive protein (hsCRP) levels were independently associated with SHF. Methods In our retrospective case-control study, 2236 subjects were included, and 260 patients had SHF. Blood sample collection, clinical laboratory tests, electrocardiogram and echocardiography examinations were performed...
April 4, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28390723/manipulation-of-reproductive-seasonality-using-melatonin-implantation-in-anglo-nubian-does-treated-with-controlled-internal-drug-release-and-equine-chorionic-gonadotropin-during-the-nonbreeding-season
#19
M Y El-Mokadem, A N M Nour El-Din, T A Ramadan, A M A Rashad, T A Taha, M A Samak
The objective of this study was to compare the efficiency of hormonal treatments on ovarian activity and reproductive performance in anestrous Anglo-Nubian does during the nonbreeding season (February to May). A total of 48 multiparous does were divided into 2 groups (24 lactating does and 24 dry does). In each group, animals were allocated randomly into 2 equal subgroups (12 does each). In the first subgroup, does received a single 18-mg melatonin implant for 42 d followed by a controlled internal drug release (CIDR) device for 19 d in conjunction with 500 IU of equine chorionic gonadotropin (eCG) i...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28356306/effect-of-age-and-sex-on-the-qtc-interval-in-children-and-adolescents-with-type-1-and-2-long-qt-syndrome
#20
MULTICENTER STUDY
Arja S Vink, Sally-Ann B Clur, Ronald B Geskus, Andreas C Blank, Charlotte C A De Kezel, Masao Yoshinaga, Nynke Hofman, Arthur A M Wilde, Nico A Blom
BACKGROUND: In congenital long-QT syndrome, age, sex, and genotype have been associated with cardiac events, but their effect on the trend in QTc interval has never been established. We, therefore, aimed to assess the effect of age and sex on the QTc interval in children and adolescents with type 1 (LQT1) and type 2 (LQT2) long-QT syndrome. METHODS AND RESULTS: QTc intervals of 12-lead resting electrocardiograms were determined, and trends over time were analyzed using a linear mixed-effects model...
April 2017: Circulation. Arrhythmia and Electrophysiology
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